Analysis

  • max time kernel
    292s
  • max time network
    256s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    20-06-2024 22:55

General

  • Target

    8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611.exe

  • Size

    5.8MB

  • MD5

    f9ca43638b7c0d1e5359590128015e11

  • SHA1

    c18dbc8360b910f99f00cb195df0ee191444f556

  • SHA256

    8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611

  • SHA512

    2683c82b2abeac72e53db0a819139180946a3ef5ea3399632c81b58119597aed52c17f638c1002e13db87d1461c3628ee18b11154b3673be880dece3ec6e9c3a

  • SSDEEP

    98304:mVjz/JKvhE0CQkyKKEcDBZsbXe/hc1MQ7c2l1XqaHHuoHJNUboRUp:6jDk6QHKKEmYbX1MQp1XqaHHuEJNUbp

Malware Config

Extracted

Family

socks5systemz

C2

bmhjoob.com

http://bmhjoob.com/search/?q=67e28dd8685af379125bfd4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2eb949d3b

Signatures

  • Detect Socks5Systemz Payload 1 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 1 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\8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611.exe
    "C:\Users\Admin\AppData\Local\Temp\8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4684
    • C:\Users\Admin\AppData\Local\Temp\is-00L5P.tmp\8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-00L5P.tmp\8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611.tmp" /SL5="$E01E2,5811511,54272,C:\Users\Admin\AppData\Local\Temp\8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3848
      • C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
        "C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe" -i
        3⤵
        • Executes dropped EXE
        PID:1988
      • C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
        "C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2060

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe

    Filesize

    3.5MB

    MD5

    88b704e29b6e626fab4a5258b468c1ee

    SHA1

    fbc8c803b72e192bab051d013599c54f4bb35a82

    SHA256

    d72ebcc12f3cc066892950c78393fdd4d45ec5a1d041165094bbadc77386fbe3

    SHA512

    59afef264927e7292825a3881dd239d108e4b480c67830680cd4fe8e92c324f211eeab74dde2985a58455963cd28ee659c41ae2188f8ae8cb9b2ca3834a5370f

  • C:\Users\Admin\AppData\Local\Temp\is-00L5P.tmp\8e5192bad725197e1a379ecf999436fecdd33e57b4c0ba4328928ced0ca9c611.tmp

    Filesize

    680KB

    MD5

    4468da54a8b07613269ca5537be5e235

    SHA1

    9aded70f0853385c5561fa275a77508edae15111

    SHA256

    0177788e41f30da5d5ac6c66c54fd51c8eac03a1eddc9deb5ff6aefff7821153

    SHA512

    3b7c3a3bfe4e9ec20ba4d04d06270aa9e26a342bc806c092b37d6a97064c0c7b54f75c9242295f03899d1b5deac99b91480d0c4ba23a6bc33f3739f322279313

  • \Users\Admin\AppData\Local\Temp\is-DJDH6.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • \Users\Admin\AppData\Local\Temp\is-DJDH6.tmp\_isetup\_isdecmp.dll

    Filesize

    13KB

    MD5

    a813d18268affd4763dde940246dc7e5

    SHA1

    c7366e1fd925c17cc6068001bd38eaef5b42852f

    SHA256

    e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

    SHA512

    b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

  • memory/1988-65-0x0000000000400000-0x0000000000778000-memory.dmp

    Filesize

    3.5MB

  • memory/1988-69-0x0000000000400000-0x0000000000778000-memory.dmp

    Filesize

    3.5MB

  • memory/1988-66-0x0000000000400000-0x0000000000778000-memory.dmp

    Filesize

    3.5MB

  • memory/2060-84-0x0000000000400000-0x0000000000778000-memory.dmp

    Filesize

    3.5MB

  • memory/2060-97-0x0000000000400000-0x0000000000778000-memory.dmp

    Filesize

    3.5MB

  • memory/2060-136-0x0000000000400000-0x0000000000778000-memory.dmp

    Filesize

    3.5MB

  • memory/2060-72-0x0000000000400000-0x0000000000778000-memory.dmp

    Filesize

    3.5MB

  • memory/2060-131-0x0000000000400000-0x0000000000778000-memory.dmp

    Filesize

    3.5MB

  • memory/2060-128-0x0000000000400000-0x0000000000778000-memory.dmp

    Filesize

    3.5MB

  • memory/2060-75-0x0000000000400000-0x0000000000778000-memory.dmp

    Filesize

    3.5MB

  • memory/2060-78-0x0000000000400000-0x0000000000778000-memory.dmp

    Filesize

    3.5MB

  • memory/2060-81-0x0000000000400000-0x0000000000778000-memory.dmp

    Filesize

    3.5MB

  • memory/2060-125-0x0000000000400000-0x0000000000778000-memory.dmp

    Filesize

    3.5MB

  • memory/2060-87-0x0000000000400000-0x0000000000778000-memory.dmp

    Filesize

    3.5MB

  • memory/2060-88-0x0000000002670000-0x0000000002712000-memory.dmp

    Filesize

    648KB

  • memory/2060-92-0x0000000000400000-0x0000000000778000-memory.dmp

    Filesize

    3.5MB

  • memory/2060-122-0x0000000000400000-0x0000000000778000-memory.dmp

    Filesize

    3.5MB

  • memory/2060-100-0x0000000000400000-0x0000000000778000-memory.dmp

    Filesize

    3.5MB

  • memory/2060-103-0x0000000000400000-0x0000000000778000-memory.dmp

    Filesize

    3.5MB

  • memory/2060-106-0x0000000000400000-0x0000000000778000-memory.dmp

    Filesize

    3.5MB

  • memory/2060-109-0x0000000000400000-0x0000000000778000-memory.dmp

    Filesize

    3.5MB

  • memory/2060-113-0x0000000000400000-0x0000000000778000-memory.dmp

    Filesize

    3.5MB

  • memory/2060-116-0x0000000000400000-0x0000000000778000-memory.dmp

    Filesize

    3.5MB

  • memory/2060-119-0x0000000000400000-0x0000000000778000-memory.dmp

    Filesize

    3.5MB

  • memory/3848-22-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/3848-74-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/4684-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4684-73-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4684-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB