Analysis

  • max time kernel
    143s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-06-2024 16:10

General

  • Target

    2e2d0faa0bd89ea7ee56c0193350d98941bbe99f3eac35424bbfee5c24305e65.exe

  • Size

    5.0MB

  • MD5

    5c66b886beefc9589ed9db5e15cf0780

  • SHA1

    8b79be9b191a812131ffc663341c6dc549d15899

  • SHA256

    2e2d0faa0bd89ea7ee56c0193350d98941bbe99f3eac35424bbfee5c24305e65

  • SHA512

    4e7401bd22fc006ae1ba19cd704ed27e2905f983ecd45564394123876e053881e44a9125d1a2e84bd77401238dea4866983743de93b8be4b7171b8d56ab6f35f

  • SSDEEP

    98304:mhu+9xGgU8AJ+fjOwgC30JuQszCRyOzoNDkhzowGLT9WOvMePQDv/aId:Wu+TjSAjONQBOsNohUwm9lvMgq/aId

Malware Config

Extracted

Family

socks5systemz

C2

aihyxib.ru

http://aihyxib.ru/search/?q=67e28dd83f08f52f150eab187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ae8889b5e4fa9281ae978f471ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff612c3ee9d9d32

http://aihyxib.ru/search/?q=67e28dd83f08f52f150eab187c27d78406abdd88be4b12eab517aa5c96bd86ec918448835a8bbc896c58e713bc90c91f36b5281fc235a925ed3e57d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9c9938cc67911f

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\2e2d0faa0bd89ea7ee56c0193350d98941bbe99f3eac35424bbfee5c24305e65.exe
    "C:\Users\Admin\AppData\Local\Temp\2e2d0faa0bd89ea7ee56c0193350d98941bbe99f3eac35424bbfee5c24305e65.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:548
    • C:\Users\Admin\AppData\Local\Temp\is-9OUUE.tmp\2e2d0faa0bd89ea7ee56c0193350d98941bbe99f3eac35424bbfee5c24305e65.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-9OUUE.tmp\2e2d0faa0bd89ea7ee56c0193350d98941bbe99f3eac35424bbfee5c24305e65.tmp" /SL5="$A0092,4968599,54272,C:\Users\Admin\AppData\Local\Temp\2e2d0faa0bd89ea7ee56c0193350d98941bbe99f3eac35424bbfee5c24305e65.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1620
      • C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe
        "C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe" -i
        3⤵
        • Executes dropped EXE
        PID:912
      • C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe
        "C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe" -s
        3⤵
        • Executes dropped EXE
        PID:3516
  • 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=3376,i,11049150160560877369,2866371920339304689,262144 --variations-seed-version --mojo-platform-channel-handle=3896 /prefetch:8
    1⤵
      PID:4624

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe

      Filesize

      3.1MB

      MD5

      1f8001d089b76520d285b196488bb7b8

      SHA1

      17f6614e8ab217510ab089bee80d928f81aa1a05

      SHA256

      625237c76d44690e94b09e580556ff37af4055db31ff6cc3262dba265a5053d2

      SHA512

      b9b93958b2d6cb38532dd335eb3431df6c639666b0baaf1abf7cf57ec9b8a3484f2559c87523c7e3f46e72e5ca6386657f1291df21940ecf493936a365844b20

    • C:\Users\Admin\AppData\Local\Temp\is-4UFL9.tmp\_isetup\_iscrypt.dll

      Filesize

      2KB

      MD5

      a69559718ab506675e907fe49deb71e9

      SHA1

      bc8f404ffdb1960b50c12ff9413c893b56f2e36f

      SHA256

      2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

      SHA512

      e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

    • C:\Users\Admin\AppData\Local\Temp\is-9OUUE.tmp\2e2d0faa0bd89ea7ee56c0193350d98941bbe99f3eac35424bbfee5c24305e65.tmp

      Filesize

      680KB

      MD5

      47b1f394dbf28e33acdaf2b047ff7457

      SHA1

      19888908537be13ac46aaf944c57f698e71f7171

      SHA256

      b67b0c6ae0ce173b7e476bf5ba602ee1a789f08f314312c6965108b1afce96d7

      SHA512

      ebeab5451f1bc5d8f9b761ce9b75521e8cda5fda43fb2061698a83db2f22c4aff20d7be513641112394c920621fbda8625b99dcbec8ec45523304ba7c745fd0a

    • memory/548-2-0x0000000000401000-0x000000000040B000-memory.dmp

      Filesize

      40KB

    • memory/548-0-0x0000000000400000-0x0000000000414000-memory.dmp

      Filesize

      80KB

    • memory/548-69-0x0000000000400000-0x0000000000414000-memory.dmp

      Filesize

      80KB

    • memory/912-59-0x0000000000400000-0x000000000071C000-memory.dmp

      Filesize

      3.1MB

    • memory/912-60-0x0000000000400000-0x000000000071C000-memory.dmp

      Filesize

      3.1MB

    • memory/912-61-0x0000000000400000-0x000000000071C000-memory.dmp

      Filesize

      3.1MB

    • memory/912-65-0x0000000000400000-0x000000000071C000-memory.dmp

      Filesize

      3.1MB

    • memory/1620-70-0x0000000000400000-0x00000000004BA000-memory.dmp

      Filesize

      744KB

    • memory/1620-13-0x0000000000400000-0x00000000004BA000-memory.dmp

      Filesize

      744KB

    • memory/3516-74-0x0000000000400000-0x000000000071C000-memory.dmp

      Filesize

      3.1MB

    • memory/3516-96-0x0000000000400000-0x000000000071C000-memory.dmp

      Filesize

      3.1MB

    • memory/3516-67-0x0000000000400000-0x000000000071C000-memory.dmp

      Filesize

      3.1MB

    • memory/3516-77-0x0000000000400000-0x000000000071C000-memory.dmp

      Filesize

      3.1MB

    • memory/3516-80-0x0000000000400000-0x000000000071C000-memory.dmp

      Filesize

      3.1MB

    • memory/3516-83-0x0000000000400000-0x000000000071C000-memory.dmp

      Filesize

      3.1MB

    • memory/3516-86-0x0000000000400000-0x000000000071C000-memory.dmp

      Filesize

      3.1MB

    • memory/3516-87-0x0000000000920000-0x00000000009C2000-memory.dmp

      Filesize

      648KB

    • memory/3516-93-0x0000000000400000-0x000000000071C000-memory.dmp

      Filesize

      3.1MB

    • memory/3516-71-0x0000000000400000-0x000000000071C000-memory.dmp

      Filesize

      3.1MB

    • memory/3516-99-0x0000000000400000-0x000000000071C000-memory.dmp

      Filesize

      3.1MB

    • memory/3516-102-0x0000000000400000-0x000000000071C000-memory.dmp

      Filesize

      3.1MB

    • memory/3516-105-0x0000000000400000-0x000000000071C000-memory.dmp

      Filesize

      3.1MB

    • memory/3516-108-0x0000000000400000-0x000000000071C000-memory.dmp

      Filesize

      3.1MB

    • memory/3516-110-0x0000000000920000-0x00000000009C2000-memory.dmp

      Filesize

      648KB

    • memory/3516-109-0x0000000000920000-0x00000000009C2000-memory.dmp

      Filesize

      648KB

    • memory/3516-114-0x0000000000400000-0x000000000071C000-memory.dmp

      Filesize

      3.1MB

    • memory/3516-117-0x0000000000400000-0x000000000071C000-memory.dmp

      Filesize

      3.1MB