SYMBOLCOMMON_NAMEaka. SYNONYMS
win.campoloader (Back to overview)

campoloader


There is no description at this point.

References
2021-08-05The RecordCatalin Cimpanu
@online{cimpanu:20210805:meet:bce8310, author = {Catalin Cimpanu}, title = {{Meet Prometheus, the secret TDS behind some of today’s malware campaigns}}, date = {2021-08-05}, organization = {The Record}, url = {https://therecord.media/meet-prometheus-the-secret-tds-behind-some-of-todays-malware-campaigns/}, language = {English}, urldate = {2021-08-06} } Meet Prometheus, the secret TDS behind some of today’s malware campaigns
Buer campoloader IcedID QakBot
2021-08-05Group-IBViktor Okorokov, Nikita Rostovcev
@online{okorokov:20210805:prometheus:38ab6a6, author = {Viktor Okorokov and Nikita Rostovcev}, title = {{Prometheus TDS The key to success for Campo Loader, Hancitor, IcedID, and QBot}}, date = {2021-08-05}, organization = {Group-IB}, url = {https://blog.group-ib.com/prometheus-tds}, language = {English}, urldate = {2021-08-06} } Prometheus TDS The key to success for Campo Loader, Hancitor, IcedID, and QBot
Prometheus Backdoor Buer campoloader Hancitor IcedID QakBot
2021-05-19Palo Alto Networks Unit 42Brad Duncan
@online{duncan:20210519:bazarcall:60c6562, author = {Brad Duncan}, title = {{BazarCall: Call Centers Help Spread BazarLoader Malware}}, date = {2021-05-19}, organization = {Palo Alto Networks Unit 42}, url = {https://unit42.paloaltonetworks.com/bazarloader-malware/}, language = {English}, urldate = {2021-05-20} } BazarCall: Call Centers Help Spread BazarLoader Malware
BazarBackdoor campoloader
2021-05-11Mal-Eatsmal_eats
@online{maleats:20210511:campo:0305ab9, author = {mal_eats}, title = {{Campo, a New Attack Campaign Targeting Japan}}, date = {2021-05-11}, organization = {Mal-Eats}, url = {https://mal-eats.net/en/2021/05/11/campo_new_attack_campaign_targeting_japan/}, language = {English}, urldate = {2021-06-01} } Campo, a New Attack Campaign Targeting Japan
AnchorDNS BazarBackdoor campoloader Cobalt Strike Phobos Snifula TrickBot Zloader
2021-03-21Orange CyberSOC
@online{cybersoc:20210321:in:0d188b6, author = {Orange CyberSOC}, title = {{In the eye of our CyberSOC: Campo Loader, analysis and detection perspectives}}, date = {2021-03-21}, url = {https://orangecyberdefense.com/global/blog/cybersoc/in-the-eye-of-our-cybersoc-campo-loader-analysis-and-detection-perspectives/}, language = {English}, urldate = {2021-05-13} } In the eye of our CyberSOC: Campo Loader, analysis and detection perspectives
campoloader
Yara Rules
[TLP:WHITE] win_campoloader_auto (20230125 | Detects win.campoloader.)
rule win_campoloader_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2023-01-25"
        version = "1"
        description = "Detects win.campoloader."
        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.campoloader"
        malpedia_rule_date = "20230124"
        malpedia_hash = "2ee0eebba83dce3d019a90519f2f972c0fcf9686"
        malpedia_version = "20230125"
        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 = { 7d41 8b9570efffff 03958cefffff 899570efffff 8b8578efffff 03858cefffff }
            // n = 6, score = 300
            //   7d41                 | jge                 0x43
            //   8b9570efffff         | mov                 edx, dword ptr [ebp - 0x1090]
            //   03958cefffff         | add                 edx, dword ptr [ebp - 0x1074]
            //   899570efffff         | mov                 dword ptr [ebp - 0x1090], edx
            //   8b8578efffff         | mov                 eax, dword ptr [ebp - 0x1088]
            //   03858cefffff         | add                 eax, dword ptr [ebp - 0x1074]

        $sequence_1 = { 33c0 e9???????? c78548efffff00000000 8d8de8fcffff 898d7cefffff 8b957cefffff 83c201 }
            // n = 7, score = 300
            //   33c0                 | xor                 eax, eax
            //   e9????????           |                     
            //   c78548efffff00000000     | mov    dword ptr [ebp - 0x10b8], 0
            //   8d8de8fcffff         | lea                 ecx, [ebp - 0x318]
            //   898d7cefffff         | mov                 dword ptr [ebp - 0x1084], ecx
            //   8b957cefffff         | mov                 edx, dword ptr [ebp - 0x1084]
            //   83c201               | add                 edx, 1

        $sequence_2 = { 8b858cefffff 50 8b8d6cefffff 8d940d30f1ffff 52 8b8584efffff }
            // n = 6, score = 300
            //   8b858cefffff         | mov                 eax, dword ptr [ebp - 0x1074]
            //   50                   | push                eax
            //   8b8d6cefffff         | mov                 ecx, dword ptr [ebp - 0x1094]
            //   8d940d30f1ffff       | lea                 edx, [ebp + ecx - 0xed0]
            //   52                   | push                edx
            //   8b8584efffff         | mov                 eax, dword ptr [ebp - 0x107c]

        $sequence_3 = { 8b4dec 2b4dd8 894dd4 8b55f8 0355d4 8955f8 8b45f8 }
            // n = 7, score = 300
            //   8b4dec               | mov                 ecx, dword ptr [ebp - 0x14]
            //   2b4dd8               | sub                 ecx, dword ptr [ebp - 0x28]
            //   894dd4               | mov                 dword ptr [ebp - 0x2c], ecx
            //   8b55f8               | mov                 edx, dword ptr [ebp - 8]
            //   0355d4               | add                 edx, dword ptr [ebp - 0x2c]
            //   8955f8               | mov                 dword ptr [ebp - 8], edx
            //   8b45f8               | mov                 eax, dword ptr [ebp - 8]

        $sequence_4 = { 8945a4 8b4dd0 8a11 8855e4 8345d001 }
            // n = 5, score = 300
            //   8945a4               | mov                 dword ptr [ebp - 0x5c], eax
            //   8b4dd0               | mov                 ecx, dword ptr [ebp - 0x30]
            //   8a11                 | mov                 dl, byte ptr [ecx]
            //   8855e4               | mov                 byte ptr [ebp - 0x1c], dl
            //   8345d001             | add                 dword ptr [ebp - 0x30], 1

        $sequence_5 = { 753b 8b4d14 c70150000000 8d55f4 }
            // n = 4, score = 300
            //   753b                 | jne                 0x3d
            //   8b4d14               | mov                 ecx, dword ptr [ebp + 0x14]
            //   c70150000000         | mov                 dword ptr [ecx], 0x50
            //   8d55f4               | lea                 edx, [ebp - 0xc]

        $sequence_6 = { 8b4510 50 ff15???????? 8945fc 6a00 8d4df8 }
            // n = 6, score = 300
            //   8b4510               | mov                 eax, dword ptr [ebp + 0x10]
            //   50                   | push                eax
            //   ff15????????         |                     
            //   8945fc               | mov                 dword ptr [ebp - 4], eax
            //   6a00                 | push                0
            //   8d4df8               | lea                 ecx, [ebp - 8]

        $sequence_7 = { 8b4ddc 8a11 8855e7 8345dc01 807de700 75ee }
            // n = 6, score = 300
            //   8b4ddc               | mov                 ecx, dword ptr [ebp - 0x24]
            //   8a11                 | mov                 dl, byte ptr [ecx]
            //   8855e7               | mov                 byte ptr [ebp - 0x19], dl
            //   8345dc01             | add                 dword ptr [ebp - 0x24], 1
            //   807de700             | cmp                 byte ptr [ebp - 0x19], 0
            //   75ee                 | jne                 0xfffffff0

        $sequence_8 = { 8945f0 837df000 743c 8b55f0 2b5508 8955f8 }
            // n = 6, score = 300
            //   8945f0               | mov                 dword ptr [ebp - 0x10], eax
            //   837df000             | cmp                 dword ptr [ebp - 0x10], 0
            //   743c                 | je                  0x3e
            //   8b55f0               | mov                 edx, dword ptr [ebp - 0x10]
            //   2b5508               | sub                 edx, dword ptr [ebp + 8]
            //   8955f8               | mov                 dword ptr [ebp - 8], edx

        $sequence_9 = { eb0a c7856cefffff00000000 8b8578efffff 2b858cefffff 898578efffff 8b8d78efffff }
            // n = 6, score = 300
            //   eb0a                 | jmp                 0xc
            //   c7856cefffff00000000     | mov    dword ptr [ebp - 0x1094], 0
            //   8b8578efffff         | mov                 eax, dword ptr [ebp - 0x1088]
            //   2b858cefffff         | sub                 eax, dword ptr [ebp - 0x1074]
            //   898578efffff         | mov                 dword ptr [ebp - 0x1088], eax
            //   8b8d78efffff         | mov                 ecx, dword ptr [ebp - 0x1088]

    condition:
        7 of them and filesize < 66560
}
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