Analysis

  • max time kernel
    141s
  • max time network
    127s
  • 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, 08:25

General

  • Target
    0c7cea2b9cbbceae281325ce3a8b22efe71326df833a027c61269bf64a1ea648.exe
  • Size 5.6MB
  • Sample240616-kbddfawfqa
  • SHA256 0c7cea2b9cbbceae281325ce3a8b22efe71326df833a027c61269bf64a1ea648
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • socks5systemz

C2
  • aqowcih.ru

  • http://aqowcih.ru/search/?q=67e28dd83f5ff27c445aaa4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f171ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff714c2e996923b

  • http://aqowcih.ru/search/?q=67e28dd83f5ff27c445aaa4e7c27d78406abdd88be4b12eab517aa5c96bd86ec94874a855a8bbc896c58e713bc90c91b36b5281fc235a925ed3e52d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9d9f39cb6c9e16

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\0c7cea2b9cbbceae281325ce3a8b22efe71326df833a027c61269bf64a1ea648.exe
    "C:\Users\Admin\AppData\Local\Temp\0c7cea2b9cbbceae281325ce3a8b22efe71326df833a027c61269bf64a1ea648.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3784
    • C:\Users\Admin\AppData\Local\Temp\is-RCJKC.tmp\0c7cea2b9cbbceae281325ce3a8b22efe71326df833a027c61269bf64a1ea648.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-RCJKC.tmp\0c7cea2b9cbbceae281325ce3a8b22efe71326df833a027c61269bf64a1ea648.tmp" /SL5="$60224,5658713,54272,C:\Users\Admin\AppData\Local\Temp\0c7cea2b9cbbceae281325ce3a8b22efe71326df833a027c61269bf64a1ea648.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3808
      • C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
        "C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2092
      • C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
        "C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe" -s
        3⤵
        • Executes dropped EXE
        PID:4880

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        lampungsoundstage.exe

        • Path C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage.exe
        • Size 3.2MB
        • SHA256 83dac4ba941ef27b6fe0eebf983a7423b452dba22769c43e91c88a5177567dc8
        • MD5 SHA1 SHA512 SSDEEP

        _iscrypt.dll

        • Path C:\Users\Admin\AppData\Local\Temp\is-NT3JH.tmp\_isetup\_iscrypt.dll
        • Size 2KB
        • SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
        • MD5 SHA1 SHA512

        _isdecmp.dll

        • Path C:\Users\Admin\AppData\Local\Temp\is-NT3JH.tmp\_isetup\_isdecmp.dll
        • Size 13KB
        • SHA256 e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
        • MD5 SHA1 SHA512 SSDEEP

        0c7cea2b9cbbceae281325ce3a8b22efe71326df833a027c61269bf64a1ea648.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\is-RCJKC.tmp\0c7cea2b9cbbceae281325ce3a8b22efe71326df833a027c61269bf64a1ea648.tmp
        • Size 680KB
        • SHA256 ef10ffb51e1be8ba1b160ebdfee12c968b3f98f71310bdcb003dd117f4b2a124
        • MD5 SHA1 SHA512 SSDEEP

        memory/2092-70-0x0000000000400000-0x0000000000742000-memory.dmp

        memory/2092-65-0x0000000000400000-0x0000000000742000-memory.dmp

        memory/2092-71-0x0000000000400000-0x0000000000742000-memory.dmp

        memory/2092-67-0x0000000000400000-0x0000000000742000-memory.dmp

        memory/3784-3-0x0000000000401000-0x000000000040B000-memory.dmp

        memory/3784-76-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/3784-0-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/3808-10-0x0000000000400000-0x00000000004BA000-memory.dmp

        memory/3808-77-0x0000000000400000-0x00000000004BA000-memory.dmp

        memory/4880-81-0x0000000000400000-0x0000000000742000-memory.dmp

        memory/4880-101-0x0000000000400000-0x0000000000742000-memory.dmp

        memory/4880-78-0x0000000000400000-0x0000000000742000-memory.dmp

        memory/4880-74-0x0000000000400000-0x0000000000742000-memory.dmp

        memory/4880-84-0x0000000000400000-0x0000000000742000-memory.dmp

        memory/4880-87-0x0000000000400000-0x0000000000742000-memory.dmp

        memory/4880-90-0x0000000000400000-0x0000000000742000-memory.dmp

        memory/4880-92-0x0000000000AA0000-0x0000000000B42000-memory.dmp

        memory/4880-96-0x0000000000400000-0x0000000000742000-memory.dmp

        memory/4880-75-0x0000000000400000-0x0000000000742000-memory.dmp

        memory/4880-104-0x0000000000400000-0x0000000000742000-memory.dmp

        memory/4880-107-0x0000000000400000-0x0000000000742000-memory.dmp

        memory/4880-110-0x0000000000400000-0x0000000000742000-memory.dmp

        memory/4880-113-0x0000000000400000-0x0000000000742000-memory.dmp

        memory/4880-116-0x0000000000400000-0x0000000000742000-memory.dmp

        memory/4880-118-0x0000000000AA0000-0x0000000000B42000-memory.dmp

        memory/4880-117-0x0000000000AA0000-0x0000000000B42000-memory.dmp

        memory/4880-122-0x0000000000400000-0x0000000000742000-memory.dmp

        memory/4880-125-0x0000000000400000-0x0000000000742000-memory.dmp