Analysis

  • max time kernel
    142s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-06-2024 02:21

General

  • Target

    d787f9aa7215933a6c4edd8fd967fe9271621aa25f0ca91d1b122951ba2eeac9.exe

  • Size

    4.6MB

  • MD5

    163f02daccafc821121536bd93f8ef29

  • SHA1

    606048453e0954e969ccd69d08edd57c3fb961fb

  • SHA256

    d787f9aa7215933a6c4edd8fd967fe9271621aa25f0ca91d1b122951ba2eeac9

  • SHA512

    ce971cadfeab1c5dee9a0b1e6cf3d013f47bcf795f9f870cf1c23346a24a8950cc777a6ff448168386086a5ac230420a27b824b5f45a0fd54282e9e85dce2cf3

  • SSDEEP

    98304:mU+RUid5xVQCMpF5T8LRA8VbQtcf1wLryv8Ln3vKVrHrQ:V+RUid5TQCMX549JQmWLryv8LMrLQ

Malware Config

Extracted

Family

socks5systemz

C2

dtomtua.info

http://dtomtua.info/search/?q=67e28dd83f08f52f150eab187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ae8889b5e4fa9281ae978f471ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff710c5e79c9e3c

Signatures

  • Detect Socks5Systemz Payload 1 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Detects executables packed with VMProtect. 19 IoCs
  • 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\d787f9aa7215933a6c4edd8fd967fe9271621aa25f0ca91d1b122951ba2eeac9.exe
    "C:\Users\Admin\AppData\Local\Temp\d787f9aa7215933a6c4edd8fd967fe9271621aa25f0ca91d1b122951ba2eeac9.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:448
    • C:\Users\Admin\AppData\Local\Temp\is-CGLSJ.tmp\d787f9aa7215933a6c4edd8fd967fe9271621aa25f0ca91d1b122951ba2eeac9.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-CGLSJ.tmp\d787f9aa7215933a6c4edd8fd967fe9271621aa25f0ca91d1b122951ba2eeac9.tmp" /SL5="$D0056,4555732,54272,C:\Users\Admin\AppData\Local\Temp\d787f9aa7215933a6c4edd8fd967fe9271621aa25f0ca91d1b122951ba2eeac9.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:376
      • C:\Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio.exe
        "C:\Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio.exe" -i
        3⤵
        • Executes dropped EXE
        PID:3916
      • C:\Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio.exe
        "C:\Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2388
  • 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=4308,i,3671441404766730751,12082497324212183132,262144 --variations-seed-version --mojo-platform-channel-handle=4316 /prefetch:8
    1⤵
      PID:1784

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Moon VideoToAudio\moonvideo2audio.exe

      Filesize

      2.6MB

      MD5

      90dba2f148357074607ea815a5b6fc51

      SHA1

      4b729e58c9f23262aca43c60c63133543cb66548

      SHA256

      de0581309f4eb66c85c4f1c23f9503fa95cfc0f4f9a155f51c5ec034ae1d4d7e

      SHA512

      1adf1b01611119bd6e4a8b83dc33c442a592b1df50f961ae9e601dd245339c6c898101c8a08db491e9f156d092d223418fd9a6ca81773782b78a4906de307b44

    • C:\Users\Admin\AppData\Local\Temp\is-89I3I.tmp\_isetup\_iscrypt.dll

      Filesize

      2KB

      MD5

      a69559718ab506675e907fe49deb71e9

      SHA1

      bc8f404ffdb1960b50c12ff9413c893b56f2e36f

      SHA256

      2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

      SHA512

      e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

    • C:\Users\Admin\AppData\Local\Temp\is-CGLSJ.tmp\d787f9aa7215933a6c4edd8fd967fe9271621aa25f0ca91d1b122951ba2eeac9.tmp

      Filesize

      680KB

      MD5

      72dda7287f2b2ba7017faedffacfb084

      SHA1

      ae9eb73551e537ebe95e30147fd9693a9ed4163c

      SHA256

      7988752eefad26096be5f17f219f66a2776498b447cda56b3044b7f5691a5252

      SHA512

      4a7d4706129b19f1664c479de4da10a09150b9716e35a124684111f2e60f5fa22fbf58c7bcaf5d86c765fb41de646c46a6c10e7a9a9d49378f65364c9896afdf

    • memory/376-13-0x0000000000400000-0x00000000004BA000-memory.dmp

      Filesize

      744KB

    • memory/376-69-0x0000000000400000-0x00000000004BA000-memory.dmp

      Filesize

      744KB

    • memory/448-68-0x0000000000400000-0x0000000000414000-memory.dmp

      Filesize

      80KB

    • memory/448-2-0x0000000000401000-0x000000000040B000-memory.dmp

      Filesize

      40KB

    • memory/448-0-0x0000000000400000-0x0000000000414000-memory.dmp

      Filesize

      80KB

    • memory/2388-94-0x0000000000400000-0x00000000006A9000-memory.dmp

      Filesize

      2.7MB

    • memory/2388-88-0x0000000000400000-0x00000000006A9000-memory.dmp

      Filesize

      2.7MB

    • memory/2388-67-0x0000000000400000-0x00000000006A9000-memory.dmp

      Filesize

      2.7MB

    • memory/2388-116-0x0000000000400000-0x00000000006A9000-memory.dmp

      Filesize

      2.7MB

    • memory/2388-113-0x0000000000400000-0x00000000006A9000-memory.dmp

      Filesize

      2.7MB

    • memory/2388-70-0x0000000000400000-0x00000000006A9000-memory.dmp

      Filesize

      2.7MB

    • memory/2388-73-0x0000000000400000-0x00000000006A9000-memory.dmp

      Filesize

      2.7MB

    • memory/2388-74-0x0000000000400000-0x00000000006A9000-memory.dmp

      Filesize

      2.7MB

    • memory/2388-77-0x0000000000400000-0x00000000006A9000-memory.dmp

      Filesize

      2.7MB

    • memory/2388-80-0x0000000000400000-0x00000000006A9000-memory.dmp

      Filesize

      2.7MB

    • memory/2388-83-0x0000000000400000-0x00000000006A9000-memory.dmp

      Filesize

      2.7MB

    • memory/2388-109-0x0000000000400000-0x00000000006A9000-memory.dmp

      Filesize

      2.7MB

    • memory/2388-87-0x00000000009A0000-0x0000000000A42000-memory.dmp

      Filesize

      648KB

    • memory/2388-106-0x0000000000400000-0x00000000006A9000-memory.dmp

      Filesize

      2.7MB

    • memory/2388-97-0x0000000000400000-0x00000000006A9000-memory.dmp

      Filesize

      2.7MB

    • memory/2388-100-0x0000000000400000-0x00000000006A9000-memory.dmp

      Filesize

      2.7MB

    • memory/2388-103-0x0000000000400000-0x00000000006A9000-memory.dmp

      Filesize

      2.7MB

    • memory/3916-59-0x0000000000400000-0x00000000006A9000-memory.dmp

      Filesize

      2.7MB

    • memory/3916-64-0x0000000000400000-0x00000000006A9000-memory.dmp

      Filesize

      2.7MB

    • memory/3916-60-0x0000000000400000-0x00000000006A9000-memory.dmp

      Filesize

      2.7MB

    • memory/3916-63-0x0000000000400000-0x00000000006A9000-memory.dmp

      Filesize

      2.7MB