Analysis

  • max time kernel
    291s
  • max time network
    299s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    30-05-2024 23:12

General

  • Target

    87a2b6d8e9f3e20bc5a2fd66e551a7add5604ebe69fe7e9d354901c4d82b311a.exe

  • Size

    4.5MB

  • MD5

    3f4ac40876eb79c202b6f2c0e74ceab2

  • SHA1

    8a9b592e912523eb1706e834a184a4c05b66aebf

  • SHA256

    87a2b6d8e9f3e20bc5a2fd66e551a7add5604ebe69fe7e9d354901c4d82b311a

  • SHA512

    ad306778d9e0200e56ea8078073f6ea0dfe2ade9893e753f8d95d96d22473bb74430debc2707b919df6c4280863ec2d332a2e453d94300d852f9b79f77a565e7

  • SSDEEP

    98304:m2lMhJhWnooZDUpYUSDig+2wsH8jrerMcmTFf4:/y7JoZDCYUSWO8jfcKf4

Malware Config

Signatures

  • Detect Socks5Systemz Payload 1 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Unexpected DNS network traffic destination 2 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\87a2b6d8e9f3e20bc5a2fd66e551a7add5604ebe69fe7e9d354901c4d82b311a.exe
    "C:\Users\Admin\AppData\Local\Temp\87a2b6d8e9f3e20bc5a2fd66e551a7add5604ebe69fe7e9d354901c4d82b311a.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1268
    • C:\Users\Admin\AppData\Local\Temp\is-INPG5.tmp\87a2b6d8e9f3e20bc5a2fd66e551a7add5604ebe69fe7e9d354901c4d82b311a.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-INPG5.tmp\87a2b6d8e9f3e20bc5a2fd66e551a7add5604ebe69fe7e9d354901c4d82b311a.tmp" /SL5="$502FE,4458431,54272,C:\Users\Admin\AppData\Local\Temp\87a2b6d8e9f3e20bc5a2fd66e551a7add5604ebe69fe7e9d354901c4d82b311a.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4596
      • C:\Users\Admin\AppData\Local\Vaer Video Recorder\vaervideorecorder.exe
        "C:\Users\Admin\AppData\Local\Vaer Video Recorder\vaervideorecorder.exe" -i
        3⤵
        • Executes dropped EXE
        PID:3292
      • C:\Users\Admin\AppData\Local\Vaer Video Recorder\vaervideorecorder.exe
        "C:\Users\Admin\AppData\Local\Vaer Video Recorder\vaervideorecorder.exe" -s
        3⤵
        • Executes dropped EXE
        PID:924

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\is-INPG5.tmp\87a2b6d8e9f3e20bc5a2fd66e551a7add5604ebe69fe7e9d354901c4d82b311a.tmp

    Filesize

    680KB

    MD5

    47d9bbe70b5142eecee1594b8283ebd6

    SHA1

    a23ad785865f2f40d20ff7ccd317e46f7325a104

    SHA256

    bbfcaecc64b36dcb118ba9136246dfd943f3b70812c6a949f9b507a46282dbc3

    SHA512

    b38d94d48eb44beb404d9a7577a37968bcd181c2855f88e9909d12bdc9891a18f7a6229c588ec508e36ee46b62ebe255f00ba8b8368569acebee29b48ecfc8d0

  • C:\Users\Admin\AppData\Local\Vaer Video Recorder\vaervideorecorder.exe

    Filesize

    2.6MB

    MD5

    61fba91a41d52c314f742ea51162afef

    SHA1

    ae6c3086f5e6a142e8cd8db1b2a3ce159099d872

    SHA256

    be28a09fc83afbe7da0b7af8910e76ff09b6e570a71a65b05e31ede2b2da860f

    SHA512

    2e31392a2249fbad79be1cac235af329f4869acc02209befe93f7d5037ee7655ca33fc26439f30700ed48c2ccdb0b9187d54f8f796f123075aaec3eba000199f

  • \Users\Admin\AppData\Local\Temp\is-SR1QO.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • memory/924-107-0x0000000000400000-0x00000000006A8000-memory.dmp

    Filesize

    2.7MB

  • memory/924-92-0x0000000000400000-0x00000000006A8000-memory.dmp

    Filesize

    2.7MB

  • memory/924-85-0x0000000000910000-0x00000000009B2000-memory.dmp

    Filesize

    648KB

  • memory/924-129-0x0000000000400000-0x00000000006A8000-memory.dmp

    Filesize

    2.7MB

  • memory/924-87-0x0000000000400000-0x00000000006A8000-memory.dmp

    Filesize

    2.7MB

  • memory/924-126-0x0000000000400000-0x00000000006A8000-memory.dmp

    Filesize

    2.7MB

  • memory/924-66-0x0000000000400000-0x00000000006A8000-memory.dmp

    Filesize

    2.7MB

  • memory/924-113-0x0000000000400000-0x00000000006A8000-memory.dmp

    Filesize

    2.7MB

  • memory/924-123-0x0000000000400000-0x00000000006A8000-memory.dmp

    Filesize

    2.7MB

  • memory/924-70-0x0000000000400000-0x00000000006A8000-memory.dmp

    Filesize

    2.7MB

  • memory/924-73-0x0000000000400000-0x00000000006A8000-memory.dmp

    Filesize

    2.7MB

  • memory/924-116-0x0000000000400000-0x00000000006A8000-memory.dmp

    Filesize

    2.7MB

  • memory/924-79-0x0000000000400000-0x00000000006A8000-memory.dmp

    Filesize

    2.7MB

  • memory/924-82-0x0000000000400000-0x00000000006A8000-memory.dmp

    Filesize

    2.7MB

  • memory/924-110-0x0000000000400000-0x00000000006A8000-memory.dmp

    Filesize

    2.7MB

  • memory/924-119-0x0000000000400000-0x00000000006A8000-memory.dmp

    Filesize

    2.7MB

  • memory/924-76-0x0000000000400000-0x00000000006A8000-memory.dmp

    Filesize

    2.7MB

  • memory/924-95-0x0000000000400000-0x00000000006A8000-memory.dmp

    Filesize

    2.7MB

  • memory/924-98-0x0000000000400000-0x00000000006A8000-memory.dmp

    Filesize

    2.7MB

  • memory/924-101-0x0000000000400000-0x00000000006A8000-memory.dmp

    Filesize

    2.7MB

  • memory/924-104-0x0000000000400000-0x00000000006A8000-memory.dmp

    Filesize

    2.7MB

  • memory/1268-1-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1268-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/1268-68-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3292-60-0x0000000000400000-0x00000000006A8000-memory.dmp

    Filesize

    2.7MB

  • memory/3292-64-0x0000000000400000-0x00000000006A8000-memory.dmp

    Filesize

    2.7MB

  • memory/3292-59-0x0000000000400000-0x00000000006A8000-memory.dmp

    Filesize

    2.7MB

  • memory/4596-13-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/4596-69-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB