Analysis

  • max time kernel
    164s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-06-2024 07:44

General

  • Target

    0a9d34bcfad506b0bea7a71da5e45b4a91a41e88ab0de4a85976810d8965750c.exe

  • Size

    5.0MB

  • MD5

    1d404808fddb8e8f3638ea73a0b57326

  • SHA1

    6297936dc0638cc67f7938550f3c9e1f4c3c1ca4

  • SHA256

    0a9d34bcfad506b0bea7a71da5e45b4a91a41e88ab0de4a85976810d8965750c

  • SHA512

    61ad3eb223fa845c1abcf2cb12559c6fb2982973a9e93ba2c6fd621f6bed1059f197246365d9ad93a7c2221925a40fc4c0e97b1a9c8cdc200897441f28b00350

  • SSDEEP

    98304:mAIX91XtzekTgvUzIKwr0ZUJcrsAACl3RQHr9pITBw/mw74KhIu:tIXntz1gvyB7lWCCzUp2nIu

Malware Config

Signatures

  • Detect Socks5Systemz Payload 1 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • 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\0a9d34bcfad506b0bea7a71da5e45b4a91a41e88ab0de4a85976810d8965750c.exe
    "C:\Users\Admin\AppData\Local\Temp\0a9d34bcfad506b0bea7a71da5e45b4a91a41e88ab0de4a85976810d8965750c.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2120
    • C:\Users\Admin\AppData\Local\Temp\is-M4SS0.tmp\0a9d34bcfad506b0bea7a71da5e45b4a91a41e88ab0de4a85976810d8965750c.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-M4SS0.tmp\0a9d34bcfad506b0bea7a71da5e45b4a91a41e88ab0de4a85976810d8965750c.tmp" /SL5="$501D4,4959195,54272,C:\Users\Admin\AppData\Local\Temp\0a9d34bcfad506b0bea7a71da5e45b4a91a41e88ab0de4a85976810d8965750c.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1852
      • C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3freeconverter.exe
        "C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3freeconverter.exe" -i
        3⤵
        • Executes dropped EXE
        PID:3056
      • C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3freeconverter.exe
        "C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3freeconverter.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2140
  • 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 --no-appcompat-clear --mojo-platform-channel-handle=4212 --field-trial-handle=2276,i,5697607538120380977,9987005253899555344,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3636

    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\M4A to MP3 Free Converter\m4atomp3freeconverter.exe
      Filesize

      3.1MB

      MD5

      b26ddcc7a2d23fe6949b38a31903ca61

      SHA1

      dd18247686b63a27df69aa458b62d0af02f56181

      SHA256

      0e27990ac33b9d559ce0afc257502c727b51bb9b2a8ce68c39789d6565aa82d9

      SHA512

      0c673dcd611def14aeb2f550d25c2f77dce8c82e4664553f18d053a9654e0a8d39cd3ace7834d796c05e4591c612a2dca405b539720cb439e6131cb2bcb99377

    • C:\Users\Admin\AppData\Local\Temp\is-53KOT.tmp\_isetup\_iscrypt.dll
      Filesize

      2KB

      MD5

      a69559718ab506675e907fe49deb71e9

      SHA1

      bc8f404ffdb1960b50c12ff9413c893b56f2e36f

      SHA256

      2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

      SHA512

      e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

    • C:\Users\Admin\AppData\Local\Temp\is-M4SS0.tmp\0a9d34bcfad506b0bea7a71da5e45b4a91a41e88ab0de4a85976810d8965750c.tmp
      Filesize

      680KB

      MD5

      dafff71ba13e58daac2c21ed0ed54458

      SHA1

      ec169d6088ee3a539030ef630164dae1dd7d9a80

      SHA256

      167c4af51c1b261fc6bc53d7e4eab5cc5408ac4953518f1dcd129dbe62aca9fb

      SHA512

      ecd2f14d391892f82efea278949c0a20367bec0eefef159ad44915d008b462ba0ffb5b00175c5b7f9b9e1f2779f9ed562eb39cf143dd9f44b550f96a7c9bc719

    • memory/1852-64-0x0000000000400000-0x00000000004BA000-memory.dmp
      Filesize

      744KB

    • memory/1852-8-0x0000000000400000-0x00000000004BA000-memory.dmp
      Filesize

      744KB

    • memory/1852-19-0x0000000000400000-0x00000000004BA000-memory.dmp
      Filesize

      744KB

    • memory/2120-3-0x0000000000401000-0x000000000040B000-memory.dmp
      Filesize

      40KB

    • memory/2120-18-0x0000000000400000-0x0000000000414000-memory.dmp
      Filesize

      80KB

    • memory/2120-0-0x0000000000400000-0x0000000000414000-memory.dmp
      Filesize

      80KB

    • memory/2140-89-0x0000000000400000-0x0000000000720000-memory.dmp
      Filesize

      3.1MB

    • memory/2140-83-0x0000000000400000-0x0000000000720000-memory.dmp
      Filesize

      3.1MB

    • memory/2140-105-0x0000000000400000-0x0000000000720000-memory.dmp
      Filesize

      3.1MB

    • memory/2140-102-0x0000000000400000-0x0000000000720000-memory.dmp
      Filesize

      3.1MB

    • memory/2140-74-0x0000000000400000-0x0000000000720000-memory.dmp
      Filesize

      3.1MB

    • memory/2140-77-0x0000000000400000-0x0000000000720000-memory.dmp
      Filesize

      3.1MB

    • memory/2140-80-0x0000000000400000-0x0000000000720000-memory.dmp
      Filesize

      3.1MB

    • memory/2140-99-0x0000000000400000-0x0000000000720000-memory.dmp
      Filesize

      3.1MB

    • memory/2140-86-0x0000000000400000-0x0000000000720000-memory.dmp
      Filesize

      3.1MB

    • memory/2140-96-0x0000000000400000-0x0000000000720000-memory.dmp
      Filesize

      3.1MB

    • memory/2140-90-0x0000000000850000-0x00000000008F2000-memory.dmp
      Filesize

      648KB

    • memory/3056-62-0x0000000000400000-0x0000000000720000-memory.dmp
      Filesize

      3.1MB

    • memory/3056-65-0x0000000000400000-0x0000000000720000-memory.dmp
      Filesize

      3.1MB

    • memory/3056-69-0x0000000000400000-0x0000000000720000-memory.dmp
      Filesize

      3.1MB

    • memory/3056-67-0x0000000000400000-0x0000000000720000-memory.dmp
      Filesize

      3.1MB