SYMBOLCOMMON_NAMEaka. SYNONYMS
win.enfal (Back to overview)

Enfal

aka: Lurid

There is no description at this point.

References
2020-03-12Check PointCheck Point Research
@online{research:20200312:vicious:3218bb8, author = {Check Point Research}, title = {{Vicious Panda: The COVID Campaign}}, date = {2020-03-12}, organization = {Check Point}, url = {https://research.checkpoint.com/2020/vicious-panda-the-covid-campaign/}, language = {English}, urldate = {2020-03-13} } Vicious Panda: The COVID Campaign
8.t Dropper BYEBY Enfal Korlia Poison Ivy
2020SecureworksSecureWorks
@online{secureworks:2020:bronze:4db27ec, author = {SecureWorks}, title = {{BRONZE UNION}}, date = {2020}, organization = {Secureworks}, url = {https://www.secureworks.com/research/threat-profiles/bronze-union}, language = {English}, urldate = {2020-05-23} } BRONZE UNION
9002 RAT CHINACHOPPER Enfal Ghost RAT HttpBrowser HyperBro owaauth PlugX Poison Ivy ZXShell APT27
2020SecureworksSecureWorks
@online{secureworks:2020:bronze:134ec2b, author = {SecureWorks}, title = {{BRONZE PALACE}}, date = {2020}, organization = {Secureworks}, url = {https://www.secureworks.com/research/threat-profiles/bronze-palace}, language = {English}, urldate = {2020-05-23} } BRONZE PALACE
BS2005 Enfal Mirage RoyalCli Royal DNS APT15
2017-05-31MITREMITRE ATT&CK
@online{attck:20170531:pittytiger:cac6452, author = {MITRE ATT&CK}, title = {{PittyTiger}}, date = {2017-05-31}, organization = {MITRE}, url = {https://attack.mitre.org/groups/G0011}, language = {English}, urldate = {2022-08-30} } PittyTiger
Enfal Ghost RAT MimiKatz Poison Ivy APT24
2015-10-17BSK ConsultingFlorian Roth
@online{roth:20151017:how:d7c4f42, author = {Florian Roth}, title = {{How to Write Simple but Sound Yara Rules – Part 2}}, date = {2015-10-17}, organization = {BSK Consulting}, url = {https://www.bsk-consulting.de/2015/10/17/how-to-write-simple-but-sound-yara-rules-part-2/}, language = {English}, urldate = {2019-07-11} } How to Write Simple but Sound Yara Rules – Part 2
Enfal
2015-02-06CrowdStrikeCrowdStrike
@techreport{crowdstrike:20150206:crowdstrike:fbcc37f, author = {CrowdStrike}, title = {{CrowdStrike Global Threat Intel Report 2014}}, date = {2015-02-06}, institution = {CrowdStrike}, url = {https://web.archive.org/web/20200509171721/https://raw.githubusercontent.com/fdiskyou/threat-INTel/master/2015/GlobalThreatIntelReport.pdf}, language = {English}, urldate = {2020-05-11} } CrowdStrike Global Threat Intel Report 2014
BlackPOS CryptoLocker Derusbi Elise Enfal EvilGrab Gameover P2P HttpBrowser Medusa Mirage Naikon NetTraveler pirpi PlugX Poison Ivy Sakula RAT Sinowal sykipot taidoor
2012-10-23Trend MicroNart Villeneuve, James T. Bennett
@techreport{villeneuve:20121023:detecting:6358dd0, author = {Nart Villeneuve and James T. Bennett}, title = {{Detecting APT Activity with Network Traffic Analysis}}, date = {2012-10-23}, institution = {Trend Micro}, url = {https://documents.trendmicro.com/assets/wp/wp-detecting-apt-activity-with-network-traffic-analysis.pdf}, language = {English}, urldate = {2022-03-07} } Detecting APT Activity with Network Traffic Analysis
Enfal Gh0stnet win.nitro sykipot taidoor
Yara Rules
[TLP:WHITE] win_enfal_auto (20221125 | Detects win.enfal.)
rule win_enfal_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2022-11-21"
        version = "1"
        description = "Detects win.enfal."
        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.enfal"
        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 = { ebf6 8b4c2408 6a01 58 41 3bc8 }
            // n = 6, score = 200
            //   ebf6                 | jmp                 0xfffffff8
            //   8b4c2408             | mov                 ecx, dword ptr [esp + 8]
            //   6a01                 | push                1
            //   58                   | pop                 eax
            //   41                   | inc                 ecx
            //   3bc8                 | cmp                 ecx, eax

        $sequence_1 = { 68???????? 50 e8???????? 83c410 8b461c 33ff 8d8dfcfeffff }
            // n = 7, score = 200
            //   68????????           |                     
            //   50                   | push                eax
            //   e8????????           |                     
            //   83c410               | add                 esp, 0x10
            //   8b461c               | mov                 eax, dword ptr [esi + 0x1c]
            //   33ff                 | xor                 edi, edi
            //   8d8dfcfeffff         | lea                 ecx, [ebp - 0x104]

        $sequence_2 = { 8945ec 0f86a6000000 894df4 8955f8 }
            // n = 4, score = 200
            //   8945ec               | mov                 dword ptr [ebp - 0x14], eax
            //   0f86a6000000         | jbe                 0xac
            //   894df4               | mov                 dword ptr [ebp - 0xc], ecx
            //   8955f8               | mov                 dword ptr [ebp - 8], edx

        $sequence_3 = { 750e 807f0152 7528 807f1141 }
            // n = 4, score = 200
            //   750e                 | jne                 0x10
            //   807f0152             | cmp                 byte ptr [edi + 1], 0x52
            //   7528                 | jne                 0x2a
            //   807f1141             | cmp                 byte ptr [edi + 0x11], 0x41

        $sequence_4 = { 57 50 6a00 6a01 ff7608 ff15???????? 8bd8 }
            // n = 7, score = 200
            //   57                   | push                edi
            //   50                   | push                eax
            //   6a00                 | push                0
            //   6a01                 | push                1
            //   ff7608               | push                dword ptr [esi + 8]
            //   ff15????????         |                     
            //   8bd8                 | mov                 ebx, eax

        $sequence_5 = { e8???????? 8d85b4fdffff 57 50 e8???????? 8b45ec 83c444 }
            // n = 7, score = 200
            //   e8????????           |                     
            //   8d85b4fdffff         | lea                 eax, [ebp - 0x24c]
            //   57                   | push                edi
            //   50                   | push                eax
            //   e8????????           |                     
            //   8b45ec               | mov                 eax, dword ptr [ebp - 0x14]
            //   83c444               | add                 esp, 0x44

        $sequence_6 = { 8d859cfeffff 50 e8???????? 8945fc 8d45fc }
            // n = 5, score = 200
            //   8d859cfeffff         | lea                 eax, [ebp - 0x164]
            //   50                   | push                eax
            //   e8????????           |                     
            //   8945fc               | mov                 dword ptr [ebp - 4], eax
            //   8d45fc               | lea                 eax, [ebp - 4]

        $sequence_7 = { ff7608 ff15???????? 8bd8 85db 0f84c9000000 8b7e08 }
            // n = 6, score = 200
            //   ff7608               | push                dword ptr [esi + 8]
            //   ff15????????         |                     
            //   8bd8                 | mov                 ebx, eax
            //   85db                 | test                ebx, ebx
            //   0f84c9000000         | je                  0xcf
            //   8b7e08               | mov                 edi, dword ptr [esi + 8]

        $sequence_8 = { 8b4df0 8908 ff45fc 8345f804 8b45fc }
            // n = 5, score = 200
            //   8b4df0               | mov                 ecx, dword ptr [ebp - 0x10]
            //   8908                 | mov                 dword ptr [eax], ecx
            //   ff45fc               | inc                 dword ptr [ebp - 4]
            //   8345f804             | add                 dword ptr [ebp - 8], 4
            //   8b45fc               | mov                 eax, dword ptr [ebp - 4]

        $sequence_9 = { 8d85d4feffff 50 e8???????? ff75f4 c745f001000000 ff7508 }
            // n = 6, score = 200
            //   8d85d4feffff         | lea                 eax, [ebp - 0x12c]
            //   50                   | push                eax
            //   e8????????           |                     
            //   ff75f4               | push                dword ptr [ebp - 0xc]
            //   c745f001000000       | mov                 dword ptr [ebp - 0x10], 1
            //   ff7508               | push                dword ptr [ebp + 8]

    condition:
        7 of them and filesize < 65536
}
[TLP:WHITE] win_enfal_w0   (20170410 | Generic Rule to detect the Enfal Malware)
rule win_enfal_w0 {
    meta:
        author = "Florian Roth"
        description = "Generic Rule to detect the Enfal Malware"
        date = "2015/02/10"
        hash = "6d484daba3927fc0744b1bbd7981a56ebef95790"
        hash = "d4071272cc1bf944e3867db299b3f5dce126f82b"
        hash = "6c7c8b804cc76e2c208c6e3b6453cb134d01fa41"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.enfal"
        malpedia_version = "20170410"
        malpedia_license = "CC BY-NC-SA 4.0"
        malpedia_sharing = "TLP:WHITE"
    strings:

        $s1 = "Micorsoft Corportation" fullword wide
        $s2 = "IM Monnitor Service" fullword wide

        $x1 = "imemonsvc.dll" fullword wide
        $x2 = "iphlpsvc.tmp" fullword
        $x3 = "{53A4988C-F91F-4054-9076-220AC5EC03F3}" fullword

        $z1 = "urlmon" fullword
        $z2 = "Registered trademarks and service marks are the property of their" wide
        $z3 = "XpsUnregisterServer" fullword
        $z4 = "XpsRegisterServer" fullword
    condition:
        (( 1 of ($s*)) or ( 2 of ($x*) and all of ($z*) ))
}
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