SYMBOLCOMMON_NAMEaka. SYNONYMS
win.kpot_stealer (Back to overview)

KPOT Stealer

aka: Khalesi, Kpot
URLhaus    

There is no description at this point.

References
2021-07-07Medium s2wlabSeunghoe Kim
@online{kim:20210707:deep:3903b28, author = {Seunghoe Kim}, title = {{Deep analysis of KPOT Stealer}}, date = {2021-07-07}, organization = {Medium s2wlab}, url = {https://medium.com/s2wlab/deep-analysis-of-kpot-stealer-fb1d2be9c5dd}, language = {English}, urldate = {2021-07-09} } Deep analysis of KPOT Stealer
KPOT Stealer
2021-04-12PTSecurityPTSecurity
@online{ptsecurity:20210412:paas:1d06836, author = {PTSecurity}, title = {{PaaS, or how hackers evade antivirus software}}, date = {2021-04-12}, organization = {PTSecurity}, url = {https://www.ptsecurity.com/ww-en/analytics/pt-esc-threat-intelligence/paas-or-how-hackers-evade-antivirus-software/}, language = {English}, urldate = {2021-04-12} } PaaS, or how hackers evade antivirus software
Amadey Bunitu Cerber Dridex ISFB KPOT Stealer Mailto Nemty Phobos Pony Predator The Thief QakBot Raccoon RTM SmokeLoader Zloader
2020-12-15Github (Dump-GUY)Jiří Vinopal
@online{vinopal:20201215:reverse:d61ae14, author = {Jiří Vinopal}, title = {{Reverse engineering KPOT v2.0 Stealer}}, date = {2020-12-15}, organization = {Github (Dump-GUY)}, url = {https://github.com/Dump-GUY/Malware-analysis-and-Reverse-engineering/blob/main/kpot2/KPOT.md}, language = {English}, urldate = {2020-12-15} } Reverse engineering KPOT v2.0 Stealer
KPOT Stealer
2020-11-04ZDNetCatalin Cimpanu
@online{cimpanu:20201104:revil:02ca78c, author = {Catalin Cimpanu}, title = {{REvil ransomware gang 'acquires' KPOT malware}}, date = {2020-11-04}, organization = {ZDNet}, url = {https://www.zdnet.com/article/revil-ransomware-gang-acquires-kpot-malware/}, language = {English}, urldate = {2020-11-06} } REvil ransomware gang 'acquires' KPOT malware
KPOT Stealer REvil
2020-07-30SpamhausSpamhaus Malware Labs
@techreport{labs:20200730:spamhaus:038546d, author = {Spamhaus Malware Labs}, title = {{Spamhaus Botnet Threat Update Q2 2020}}, date = {2020-07-30}, institution = {Spamhaus}, url = {https://www.spamhaus.org/news/images/botnet-report-2020-q2/2020-q2-spamhaus-botnet-threat-report.pdf}, language = {English}, urldate = {2020-07-30} } Spamhaus Botnet Threat Update Q2 2020
AdWind Agent Tesla Arkei Stealer AsyncRAT Ave Maria Azorult DanaBot Emotet IcedID ISFB KPOT Stealer Loki Password Stealer (PWS) Nanocore RAT NetWire RC NjRAT Pony Raccoon RedLine Stealer Remcos Zloader
2020-04-26Nullteilerfrei BlogLars Wallenborn
@online{wallenborn:20200426:use:04235ea, author = {Lars Wallenborn}, title = {{use Ghidra to Decrypt Strings of KPOTstealer Malware}}, date = {2020-04-26}, organization = {Nullteilerfrei Blog}, url = {https://blag.nullteilerfrei.de/2020/04/26/use-ghidra-to-decrypt-strings-of-kpotstealer-malware/}, language = {English}, urldate = {2020-05-05} } use Ghidra to Decrypt Strings of KPOTstealer Malware
KPOT Stealer
2020-04-12InfoSec Handlers Diary BlogVinnie
@online{vinnie:20200412:dynamic:191820f, author = {Vinnie}, title = {{Dynamic analysis technique to get decrypted KPOT Malware}}, date = {2020-04-12}, organization = {InfoSec Handlers Diary Blog}, url = {https://isc.sans.edu/diary/26010}, language = {English}, urldate = {2020-04-26} } Dynamic analysis technique to get decrypted KPOT Malware
KPOT Stealer
2020-04-01CiscoShyam Sundar Ramaswami, Andrea Kaiser
@online{ramaswami:20200401:navigating:965952a, author = {Shyam Sundar Ramaswami and Andrea Kaiser}, title = {{Navigating Cybersecurity During a Pandemic: Latest Malware and Threat Actors}}, date = {2020-04-01}, organization = {Cisco}, url = {https://umbrella.cisco.com/blog/navigating-cybersecurity-during-a-pandemic-latest-malware-and-threat-actors}, language = {English}, urldate = {2020-08-19} } Navigating Cybersecurity During a Pandemic: Latest Malware and Threat Actors
Azorult CloudEyE Formbook KPOT Stealer Metamorfo Nanocore RAT NetWire RC TrickBot
2020-03-23SANS ISCDidier Stevens
@online{stevens:20200323:kpot:9f080e7, author = {Didier Stevens}, title = {{KPOT Deployed via AutoIt Script}}, date = {2020-03-23}, organization = {SANS ISC}, url = {https://isc.sans.edu/diary/25934}, language = {English}, urldate = {2020-03-26} } KPOT Deployed via AutoIt Script
KPOT Stealer
2019-05-09ProofpointDennis Schwarz, Proofpoint Threat Insight Team
@online{schwarz:20190509:new:19098c9, author = {Dennis Schwarz and Proofpoint Threat Insight Team}, title = {{New KPOT v2.0 stealer brings zero persistence and in-memory features to silently steal credentials}}, date = {2019-05-09}, organization = {Proofpoint}, url = {https://www.proofpoint.com/us/threat-insight/post/new-kpot-v20-stealer-brings-zero-persistence-and-memory-features-silently-steal}, language = {English}, urldate = {2019-12-20} } New KPOT v2.0 stealer brings zero persistence and in-memory features to silently steal credentials
KPOT Stealer
2019-04-11Dr.WebDr. Web
@online{web:20190411:official:b0ce6e2, author = {Dr. Web}, title = {{The official website of a popular video editing software was infected with a banking trojan}}, date = {2019-04-11}, organization = {Dr.Web}, url = {https://news.drweb.com/show/?i=13242&lng=en}, language = {English}, urldate = {2020-01-10} } The official website of a popular video editing software was infected with a banking trojan
KPOT Stealer
2018-10-25enSiloChen Erlich, Yakov Goldberg
@online{erlich:20181025:game:af49ad1, author = {Chen Erlich and Yakov Goldberg}, title = {{Game of Trojans: Dissecting the #Khalesi Infostealer Malware}}, date = {2018-10-25}, organization = {enSilo}, url = {https://blog.ensilo.com/game-of-trojans-dissecting-khalesi-infostealer-malware}, language = {English}, urldate = {2020-01-06} } Game of Trojans: Dissecting the #Khalesi Infostealer Malware
KPOT Stealer
2018-09-12FlashpointPaul Burbage, Mike Mimoso
@online{burbage:20180912:malware:5b7d58a, author = {Paul Burbage and Mike Mimoso}, title = {{Malware Campaign Targeting Jaxx Cryptocurrency Wallet Users Shut Down}}, date = {2018-09-12}, organization = {Flashpoint}, url = {https://www.flashpoint-intel.com/blog/malware-campaign-targets-jaxx-cryptocurrency-wallet-users/}, language = {English}, urldate = {2020-01-08} } Malware Campaign Targeting Jaxx Cryptocurrency Wallet Users Shut Down
KPOT Stealer
Yara Rules
[TLP:WHITE] win_kpot_stealer_auto (20221125 | Detects win.kpot_stealer.)
rule win_kpot_stealer_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2022-11-21"
        version = "1"
        description = "Detects win.kpot_stealer."
        info = "autogenerated rule brought to you by yara-signator"
        tool = "yara-signator v0.6.0"
        signator_config = "callsandjumps;datarefs;binvalue"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.kpot_stealer"
        malpedia_rule_date = "20221118"
        malpedia_hash = "e0702e2e6d1d00da65c8a29a4ebacd0a4c59e1af"
        malpedia_version = "20221125"
        malpedia_license = "CC BY-SA 4.0"
        malpedia_sharing = "TLP:WHITE"

    /* DISCLAIMER
     * The strings used in this rule have been automatically selected from the
     * disassembly of memory dumps and unpacked files, using YARA-Signator.
     * The code and documentation is published here:
     * https://github.com/fxb-cocacoding/yara-signator
     * As Malpedia is used as data source, please note that for a given
     * number of families, only single samples are documented.
     * This likely impacts the degree of generalization these rules will offer.
     * Take the described generation method also into consideration when you
     * apply the rules in your use cases and assign them confidence levels.
     */


    strings:
        $sequence_0 = { 7504 8b4108 c3 33c0 c3 8bc1 e8???????? }
            // n = 7, score = 500
            //   7504                 | jne                 6
            //   8b4108               | mov                 eax, dword ptr [ecx + 8]
            //   c3                   | ret                 
            //   33c0                 | xor                 eax, eax
            //   c3                   | ret                 
            //   8bc1                 | mov                 eax, ecx
            //   e8????????           |                     

        $sequence_1 = { 5b c9 c3 2c30 b109 3ac8 }
            // n = 6, score = 500
            //   5b                   | pop                 ebx
            //   c9                   | leave               
            //   c3                   | ret                 
            //   2c30                 | sub                 al, 0x30
            //   b109                 | mov                 cl, 9
            //   3ac8                 | cmp                 cl, al

        $sequence_2 = { 8908 c3 53 56 57 }
            // n = 5, score = 500
            //   8908                 | mov                 dword ptr [eax], ecx
            //   c3                   | ret                 
            //   53                   | push                ebx
            //   56                   | push                esi
            //   57                   | push                edi

        $sequence_3 = { 7415 8b4d08 ba???????? e8???????? 85c0 }
            // n = 5, score = 500
            //   7415                 | je                  0x17
            //   8b4d08               | mov                 ecx, dword ptr [ebp + 8]
            //   ba????????           |                     
            //   e8????????           |                     
            //   85c0                 | test                eax, eax

        $sequence_4 = { 8bf0 59 85f6 750b 53 ff15???????? 33c0 }
            // n = 7, score = 500
            //   8bf0                 | mov                 esi, eax
            //   59                   | pop                 ecx
            //   85f6                 | test                esi, esi
            //   750b                 | jne                 0xd
            //   53                   | push                ebx
            //   ff15????????         |                     
            //   33c0                 | xor                 eax, eax

        $sequence_5 = { 8bf8 59 85ff 7505 83c8ff 5f }
            // n = 6, score = 500
            //   8bf8                 | mov                 edi, eax
            //   59                   | pop                 ecx
            //   85ff                 | test                edi, edi
            //   7505                 | jne                 7
            //   83c8ff               | or                  eax, 0xffffffff
            //   5f                   | pop                 edi

        $sequence_6 = { 0bd1 8bcf c1e11b d1ef }
            // n = 4, score = 500
            //   0bd1                 | or                  edx, ecx
            //   8bcf                 | mov                 ecx, edi
            //   c1e11b               | shl                 ecx, 0x1b
            //   d1ef                 | shr                 edi, 1

        $sequence_7 = { 0bd0 c1e908 c1e208 6a38 }
            // n = 4, score = 500
            //   0bd0                 | or                  edx, eax
            //   c1e908               | shr                 ecx, 8
            //   c1e208               | shl                 edx, 8
            //   6a38                 | push                0x38

        $sequence_8 = { 8a07 84c0 7417 8a0c3a 47 3ac8 74f2 }
            // n = 7, score = 500
            //   8a07                 | mov                 al, byte ptr [edi]
            //   84c0                 | test                al, al
            //   7417                 | je                  0x19
            //   8a0c3a               | mov                 cl, byte ptr [edx + edi]
            //   47                   | inc                 edi
            //   3ac8                 | cmp                 cl, al
            //   74f2                 | je                  0xfffffff4

        $sequence_9 = { c1e108 ff7514 0bc1 0fb64f02 ff7510 c1e110 }
            // n = 6, score = 500
            //   c1e108               | shl                 ecx, 8
            //   ff7514               | push                dword ptr [ebp + 0x14]
            //   0bc1                 | or                  eax, ecx
            //   0fb64f02             | movzx               ecx, byte ptr [edi + 2]
            //   ff7510               | push                dword ptr [ebp + 0x10]
            //   c1e110               | shl                 ecx, 0x10

    condition:
        7 of them and filesize < 219136
}
[TLP:WHITE] win_kpot_stealer_w0   (20190106 | Kpot)
rule win_kpot_stealer_w0 {
    meta:
        description = "Kpot"
        type = "Stealer"
        author = "Fumik0_"
        date = "30/08/2018"

        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.kpot_stealer"
        malpedia_version = "20190106"
        malpedia_license = "CC BY-NC-SA 4.0"
        malpedia_sharing = "TLP:WHITE"
    strings:
        $mz = { 4d 5a }

        // Variant 1
        $v1_s1 = "GET %s HTTP/1.1" wide ascii
        $v1_s2 = "Host: %s" wide ascii
        $v1_s3 = "%02d-%02d-%02d %d:%02d:%02d" wide ascii
        $v1_s4 = "%S/base64.php?_f=%S" wide ascii      
        $v1_s5 = "IP: %S" wide ascii
        $v1_s6 = "MachineGuid: %s" wide ascii
        $v1_s7 = "CPU: %S (%d cores)" wide ascii
        $v1_s8 = "RAM: %S MB" wide ascii
        $v1_s9 = "Screen: %dx%d" wide ascii
        $v1_s10 = "PC: %s" wide ascii
        $v1_s11 = "User: %s" wide ascii
        $v1_s12 = "LT: %S (UTC+%d:%d)" wide ascii
        $v1_s13 = "GPU:" wide ascii
        $v1_s14 = "regbot.php" wide ascii
        $v1_s15 = "ip.php" wide ascii

        // Variant 2
        $v2_s1 = "GET %s HTTP/1.1" wide ascii
        $v2_s2 = "%s/%s.php" wide ascii
        $v2_s3 = "%s/gate.php" wide ascii
        $v2_s4 = "RAM: %s MB" wide ascii
        $v2_s5 = "IP: %s" wide ascii
        $v2_s6 = "CPU: %s (%d cores)" wide ascii
        $v2_s7 = "RAM: %s MB" wide ascii
        $v2_s8 = "Screen: %dx%d" wide ascii
        $v2_s9 = "LT: %s (UTC+%d:%d)" wide ascii
        $v2_s10 = "GPU:" wide ascii
        $v2_s11 = "screen.png" wide ascii

    condition:
        ($mz at 0) and ( (all of ($v1_*)) or (all of ($v2_*)) )
}
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