Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240611-en
  • resource tags

    arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    16-06-2024 07:38

General

  • Target

    dc2cceb27d97026a9b68e3170b27683877eed8fb70f0992c8e66e6ca0903b88c.exe

  • Size

    5.6MB

  • MD5

    97faefa6c1548163e0ed74d9cd9b728c

  • SHA1

    bc4a67e7b3920adac68fc68c78b8a36415ddb3fc

  • SHA256

    dc2cceb27d97026a9b68e3170b27683877eed8fb70f0992c8e66e6ca0903b88c

  • SHA512

    ef4a11baae20be88e0221a7b7a119b3fbc585bf187bbd84f2f6b0309f730cd7ded1ae22752ce5e400c112ef009011a36afcfb63b32602f1df578a6dd8a1d3eef

  • SSDEEP

    98304:mwhu+KH/VFTYRseGjmFxAN/xKYpzM5F84UJj6fRQlREL4GnAs0nyFylVW61gNwNl:O+KfVFMVGiFmN/xLC5dFRQlc4GnAtnyc

Malware Config

Extracted

Family

socks5systemz

C2

csqkvhi.net

http://csqkvhi.net/search/?q=67e28dd8655df07d165afd1f7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a271ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff714c2ec909e3f

http://csqkvhi.net/search/?q=67e28dd8655df07d165afd1f7c27d78406abdd88be4b12eab517aa5c96bd86ec9c8648855a8bbc896c58e713bc90c91936b5281fc235a925ed3e01d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9d9f39ce6a9212

Signatures

  • Detect Socks5Systemz Payload 3 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\dc2cceb27d97026a9b68e3170b27683877eed8fb70f0992c8e66e6ca0903b88c.exe
    "C:\Users\Admin\AppData\Local\Temp\dc2cceb27d97026a9b68e3170b27683877eed8fb70f0992c8e66e6ca0903b88c.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2628
    • C:\Users\Admin\AppData\Local\Temp\is-C0F6M.tmp\dc2cceb27d97026a9b68e3170b27683877eed8fb70f0992c8e66e6ca0903b88c.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-C0F6M.tmp\dc2cceb27d97026a9b68e3170b27683877eed8fb70f0992c8e66e6ca0903b88c.tmp" /SL5="$40236,5636747,54272,C:\Users\Admin\AppData\Local\Temp\dc2cceb27d97026a9b68e3170b27683877eed8fb70f0992c8e66e6ca0903b88c.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:5024
      • C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
        "C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe" -i
        3⤵
        • Executes dropped EXE
        PID:1416
      • C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
        "C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe" -s
        3⤵
        • Executes dropped EXE
        PID:3048

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
    Filesize

    3.2MB

    MD5

    44d3a159f167d51bb60d40f407ade2b9

    SHA1

    52770eba47e2b9267e762d001a79c2b77feb43ea

    SHA256

    8391dca702715b7eaa8cd018fa5ab498c9ae5b540cbbb950b381f4624547273f

    SHA512

    3642ad067f7a191378b9e8cc9b1574bb216e45cb1b2e75554d9b6d85e1150094a45c9df4c027646bd91205716006d3527097340fc5cb9522ed178fb66609c17c

  • C:\Users\Admin\AppData\Local\Temp\is-7GQTJ.tmp\_isetup\_iscrypt.dll
    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • C:\Users\Admin\AppData\Local\Temp\is-7GQTJ.tmp\_isetup\_isdecmp.dll
    Filesize

    13KB

    MD5

    a813d18268affd4763dde940246dc7e5

    SHA1

    c7366e1fd925c17cc6068001bd38eaef5b42852f

    SHA256

    e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

    SHA512

    b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

  • C:\Users\Admin\AppData\Local\Temp\is-C0F6M.tmp\dc2cceb27d97026a9b68e3170b27683877eed8fb70f0992c8e66e6ca0903b88c.tmp
    Filesize

    680KB

    MD5

    5baf97b8447c7245e308c807eba2b172

    SHA1

    628c759120b7595bb697c14dd265f7f4616c8e72

    SHA256

    ef10ffb51e1be8ba1b160ebdfee12c968b3f98f71310bdcb003dd117f4b2a124

    SHA512

    dc38d1a5ae1e8b6f3779aea908a55a1853ecf7b6a632f11c50d9abc48aafa60e90182eb5a280d3ba94430d2ce5f02624b4c2000bd636da34643f25c95772e47d

  • memory/1416-65-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/1416-69-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/1416-68-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/2628-75-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/2628-3-0x0000000000401000-0x000000000040B000-memory.dmp
    Filesize

    40KB

  • memory/2628-0-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/3048-81-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/3048-113-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/3048-73-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/3048-125-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/3048-77-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/3048-78-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/3048-122-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/3048-84-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/3048-87-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/3048-90-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/3048-91-0x0000000000AA0000-0x0000000000B42000-memory.dmp
    Filesize

    648KB

  • memory/3048-96-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/3048-101-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/3048-104-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/3048-107-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/3048-110-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/3048-74-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/3048-116-0x0000000000400000-0x0000000000742000-memory.dmp
    Filesize

    3.3MB

  • memory/3048-117-0x0000000000AA0000-0x0000000000B42000-memory.dmp
    Filesize

    648KB

  • memory/3048-118-0x0000000000AA0000-0x0000000000B42000-memory.dmp
    Filesize

    648KB

  • memory/5024-12-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB

  • memory/5024-76-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB