Analysis

  • max time kernel
    142s
  • max time network
    128s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240611-en
  • resource tags

    arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    17-06-2024 07:27

General

  • Target

    96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e.exe

  • Size

    4.6MB

  • MD5

    e203d364de06a9f9134a61afe63f263b

  • SHA1

    1ba8eebba6aa9cd180458eefa20df22ead9fb107

  • SHA256

    96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e

  • SHA512

    73ec42105968cba1df99aa384811d19fc61eafce53e28ccd648cdb77d76dc6a7d30dcf947f80d37ba13326013be27cb222d587134e7d221c770d36dacb3cd0fe

  • SSDEEP

    98304:m920ifWEVgUX9M70cfwKiJEeN2XN2WyV1za5/9XnJfGEWq3u:c2Je8NNbgwKQdXWszmAr

Malware Config

Extracted

Family

socks5systemz

C2

aidbzhg.ru

http://aidbzhg.ru/search/?q=67e28dd83d0ea428165baf167c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a371ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff717c0e6969e3f

http://aidbzhg.ru/search/?q=67e28dd83d0ea428165baf167c27d78406abdd88be4b12eab517aa5c96bd86e9938e4f835a8bbc896c58e713bc90c91936b5281fc235a925ed3e00d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9d9c3bc46c9212

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\96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e.exe
    "C:\Users\Admin\AppData\Local\Temp\96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4928
    • C:\Users\Admin\AppData\Local\Temp\is-L7KC3.tmp\96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-L7KC3.tmp\96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e.tmp" /SL5="$A0072,4522609,54272,C:\Users\Admin\AppData\Local\Temp\96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1672
      • 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:2496
      • 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:3852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    2.5MB

    MD5

    f246a6df7e4fb6212e49340a6c6cb225

    SHA1

    6b8db5984e52be57a7128f8acc90cbc8e5f31411

    SHA256

    dd60315a770bd7d4136b8d3d7feb60381bf275960b6273f62b693ea5ed66eef0

    SHA512

    51cd78070205c4b37998578d3cd5c7fe7ffadadbb62757802ee603b6c286d7770fda1a30139ea62e13bea958d1a015c21130c21558d592582ac1398eb82fdacc

  • C:\Users\Admin\AppData\Local\Temp\is-3M8NO.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • C:\Users\Admin\AppData\Local\Temp\is-L7KC3.tmp\96a4fe38a4e56169f70b9155eafa37ea4974e75af95b2bf9af53dc8bf497242e.tmp

    Filesize

    680KB

    MD5

    39e1191b303bd79ba64ab21ceca630f0

    SHA1

    2df0c7a0160c0112bc04d2fe3accb360af33a208

    SHA256

    6245ecd6d0ec4c5ea091be6f734185f645886c1d8af5fe4b0c0df0661b4ce361

    SHA512

    6664eb5b77a29641454f3f76cc99c8484f91be29e92127fd37239ccb3bbaa27f6769d7f49301f925b699dd042d199974ed68968fba6c8bd18b0a23031ea08d8a

  • memory/1672-70-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/1672-10-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2496-65-0x0000000000400000-0x0000000000685000-memory.dmp

    Filesize

    2.5MB

  • memory/2496-61-0x0000000000400000-0x0000000000685000-memory.dmp

    Filesize

    2.5MB

  • memory/2496-60-0x0000000000400000-0x0000000000685000-memory.dmp

    Filesize

    2.5MB

  • memory/2496-64-0x0000000000400000-0x0000000000685000-memory.dmp

    Filesize

    2.5MB

  • memory/3852-74-0x0000000000400000-0x0000000000685000-memory.dmp

    Filesize

    2.5MB

  • memory/3852-94-0x0000000000400000-0x0000000000685000-memory.dmp

    Filesize

    2.5MB

  • memory/3852-118-0x0000000000400000-0x0000000000685000-memory.dmp

    Filesize

    2.5MB

  • memory/3852-115-0x0000000000400000-0x0000000000685000-memory.dmp

    Filesize

    2.5MB

  • memory/3852-71-0x0000000000400000-0x0000000000685000-memory.dmp

    Filesize

    2.5MB

  • memory/3852-111-0x00000000024B0000-0x0000000002552000-memory.dmp

    Filesize

    648KB

  • memory/3852-77-0x0000000000400000-0x0000000000685000-memory.dmp

    Filesize

    2.5MB

  • memory/3852-80-0x0000000000400000-0x0000000000685000-memory.dmp

    Filesize

    2.5MB

  • memory/3852-83-0x0000000000400000-0x0000000000685000-memory.dmp

    Filesize

    2.5MB

  • memory/3852-86-0x00000000024B0000-0x0000000002552000-memory.dmp

    Filesize

    648KB

  • memory/3852-89-0x0000000000400000-0x0000000000685000-memory.dmp

    Filesize

    2.5MB

  • memory/3852-68-0x0000000000400000-0x0000000000685000-memory.dmp

    Filesize

    2.5MB

  • memory/3852-97-0x0000000000400000-0x0000000000685000-memory.dmp

    Filesize

    2.5MB

  • memory/3852-100-0x0000000000400000-0x0000000000685000-memory.dmp

    Filesize

    2.5MB

  • memory/3852-103-0x0000000000400000-0x0000000000685000-memory.dmp

    Filesize

    2.5MB

  • memory/3852-106-0x0000000000400000-0x0000000000685000-memory.dmp

    Filesize

    2.5MB

  • memory/3852-109-0x0000000000400000-0x0000000000685000-memory.dmp

    Filesize

    2.5MB

  • memory/3852-110-0x00000000024B0000-0x0000000002552000-memory.dmp

    Filesize

    648KB

  • memory/4928-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4928-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/4928-69-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB