Analysis

  • max time kernel
    142s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-06-2024 05:43

General

  • Target

    0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.exe

  • Size

    4.6MB

  • MD5

    e4b2f2a2099e9e5a48bffdcc4690f53d

  • SHA1

    8adb113e32971528002bb2840ed97721868311b1

  • SHA256

    0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a

  • SHA512

    494c8aa7e370b85260d880ead1d6cd8e7618ed96d13f2cd0d4bb89a0d1cf4f059872c545ca5ef56f9274496c1a8a8445139283b423942121b3e279f98255870b

  • SSDEEP

    98304:mvG7MtXLLAL9NdnYwhmM6AU+XS2KdpZFAT/RCZfV+s:EGcXLsL9bYwkXA9S2QZe1CZf4s

Malware Config

Extracted

Family

socks5systemz

C2

ddtgugj.info

http://ddtgugj.info/search/?q=67e28dd83f08f52f150eab187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ae8889b5e4fa9281ae978f471ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff717c0ec959c3c

http://ddtgugj.info/search/?q=67e28dd83f08f52f150eab187c27d78406abdd88be4b12eab517aa5c96bd86e892874e845a8bbc896c58e713bc90c91f36b5281fc235a925ed3e57d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d9c3bce6f9011

Signatures

  • Detect Socks5Systemz Payload 3 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 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\0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.exe
    "C:\Users\Admin\AppData\Local\Temp\0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5044
    • C:\Users\Admin\AppData\Local\Temp\is-N3BB8.tmp\0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-N3BB8.tmp\0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp" /SL5="$11005A,4524032,54272,C:\Users\Admin\AppData\Local\Temp\0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4520
      • C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning.exe
        "C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning.exe" -i
        3⤵
        • Executes dropped EXE
        PID:3044
      • C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning.exe
        "C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning.exe" -s
        3⤵
        • Executes dropped EXE
        PID:212
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4312,i,3833046924978547022,12404847742964713612,262144 --variations-seed-version --mojo-platform-channel-handle=3928 /prefetch:8
    1⤵
      PID:2932

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning.exe
      Filesize

      2.5MB

      MD5

      10175f413d9b508303983ca8c04f5c55

      SHA1

      2f47e3f14ee3dfc767a0cc76efd39e4932b8c2ec

      SHA256

      f0cf98ff077e9ce0887697fc491d4e1f76b848259f30ef7163297d5a49b688a4

      SHA512

      6c225091ec2782bd8f4a20720d1aecf4fc81adf7d0cc8fe8a3968b5e1111415185614b60b282d80eafc4b0661e4d0fed804dde933c0edc07e336ad6c81cc7efd

    • C:\Users\Admin\AppData\Local\Temp\is-N3BB8.tmp\0cbf1532e13e8d283647efdf17f17607837889acb2f4b7803b6c2d8e66ce244a.tmp
      Filesize

      680KB

      MD5

      12bd52863ce8caab2b074597fb8a4c39

      SHA1

      633593211521e96595d159534d0aface22c6d63e

      SHA256

      355091e8a0d469daf2121e029e8179507c2c5799a7e1f691e03c147b2189091f

      SHA512

      414644a1dee4f6d05ea2c557b6ff4bebd37bd7fecb38182a2ea373f2657c82836ea5055569a8450079b07826608507059413e49581ee51dd88b6068b4c1f8d28

    • C:\Users\Admin\AppData\Local\Temp\is-SP9SM.tmp\_isetup\_iscrypt.dll
      Filesize

      2KB

      MD5

      a69559718ab506675e907fe49deb71e9

      SHA1

      bc8f404ffdb1960b50c12ff9413c893b56f2e36f

      SHA256

      2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

      SHA512

      e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

    • memory/212-96-0x0000000000400000-0x0000000000685000-memory.dmp
      Filesize

      2.5MB

    • memory/212-80-0x0000000000400000-0x0000000000685000-memory.dmp
      Filesize

      2.5MB

    • memory/212-117-0x0000000000400000-0x0000000000685000-memory.dmp
      Filesize

      2.5MB

    • memory/212-114-0x0000000000400000-0x0000000000685000-memory.dmp
      Filesize

      2.5MB

    • memory/212-109-0x00000000023A0000-0x0000000002442000-memory.dmp
      Filesize

      648KB

    • memory/212-110-0x00000000023A0000-0x0000000002442000-memory.dmp
      Filesize

      648KB

    • memory/212-108-0x0000000000400000-0x0000000000685000-memory.dmp
      Filesize

      2.5MB

    • memory/212-67-0x0000000000400000-0x0000000000685000-memory.dmp
      Filesize

      2.5MB

    • memory/212-105-0x0000000000400000-0x0000000000685000-memory.dmp
      Filesize

      2.5MB

    • memory/212-102-0x0000000000400000-0x0000000000685000-memory.dmp
      Filesize

      2.5MB

    • memory/212-71-0x0000000000400000-0x0000000000685000-memory.dmp
      Filesize

      2.5MB

    • memory/212-74-0x0000000000400000-0x0000000000685000-memory.dmp
      Filesize

      2.5MB

    • memory/212-77-0x0000000000400000-0x0000000000685000-memory.dmp
      Filesize

      2.5MB

    • memory/212-99-0x0000000000400000-0x0000000000685000-memory.dmp
      Filesize

      2.5MB

    • memory/212-83-0x0000000000400000-0x0000000000685000-memory.dmp
      Filesize

      2.5MB

    • memory/212-86-0x00000000023A0000-0x0000000002442000-memory.dmp
      Filesize

      648KB

    • memory/212-88-0x0000000000400000-0x0000000000685000-memory.dmp
      Filesize

      2.5MB

    • memory/212-93-0x0000000000400000-0x0000000000685000-memory.dmp
      Filesize

      2.5MB

    • memory/3044-65-0x0000000000400000-0x0000000000685000-memory.dmp
      Filesize

      2.5MB

    • memory/3044-63-0x0000000000400000-0x0000000000685000-memory.dmp
      Filesize

      2.5MB

    • memory/3044-61-0x0000000000400000-0x0000000000685000-memory.dmp
      Filesize

      2.5MB

    • memory/3044-59-0x0000000000400000-0x0000000000685000-memory.dmp
      Filesize

      2.5MB

    • memory/4520-10-0x0000000000400000-0x00000000004BA000-memory.dmp
      Filesize

      744KB

    • memory/4520-70-0x0000000000400000-0x00000000004BA000-memory.dmp
      Filesize

      744KB

    • memory/5044-0-0x0000000000400000-0x0000000000414000-memory.dmp
      Filesize

      80KB

    • memory/5044-69-0x0000000000400000-0x0000000000414000-memory.dmp
      Filesize

      80KB

    • memory/5044-2-0x0000000000401000-0x000000000040B000-memory.dmp
      Filesize

      40KB