Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-12-2024 04:21

General

  • Target

    f862f85bc053d246be5d8bbec4a0486bec53a1168d5f06ffa7223d6fa3afc2d7.exe

  • Size

    279KB

  • MD5

    20a311b4d4e248c0f3845293df9976c5

  • SHA1

    cfbf38d13475e96d3f5897fb8ee1c8be9ec8683d

  • SHA256

    f862f85bc053d246be5d8bbec4a0486bec53a1168d5f06ffa7223d6fa3afc2d7

  • SHA512

    e38e0f92892fcf3a33fdb0f3fe27c90535cd3ae136f46255b1f23ddbe0cbd3d1831c99871ee35a289860e9f2938614bc36e5e2fa6f6f0ad3f20adee91f606dda

  • SSDEEP

    6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fc:boSeGUA5YZazpXUmZhZ6E

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f862f85bc053d246be5d8bbec4a0486bec53a1168d5f06ffa7223d6fa3afc2d7.exe
    "C:\Users\Admin\AppData\Local\Temp\f862f85bc053d246be5d8bbec4a0486bec53a1168d5f06ffa7223d6fa3afc2d7.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4860
    • C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
      "C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1852
      • C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
        "C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
        3⤵
          PID:1900

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe

      Filesize

      279KB

      MD5

      08784e1f419cf779e85996c4683e96f0

      SHA1

      f589d0ab68b630c35a245c8d69af7f15284f6a94

      SHA256

      f177c493346892e89eccfb57655156f2731cb9625d7596c5ccc788d2e249dbd2

      SHA512

      2bb4f6832e7144984819bd597877311bf02ccb6ec75e081590b14137d4fe3127f4b62f63dca7a42c2f88581003e3de27ca85f5b76b388fe5299c66b8738b1b07

    • memory/1852-21-0x0000000074A70000-0x0000000075021000-memory.dmp

      Filesize

      5.7MB

    • memory/1852-22-0x0000000074A70000-0x0000000075021000-memory.dmp

      Filesize

      5.7MB

    • memory/1852-29-0x0000000074A70000-0x0000000075021000-memory.dmp

      Filesize

      5.7MB

    • memory/1852-27-0x0000000074A70000-0x0000000075021000-memory.dmp

      Filesize

      5.7MB

    • memory/1852-24-0x0000000074A70000-0x0000000075021000-memory.dmp

      Filesize

      5.7MB

    • memory/1852-26-0x0000000074A70000-0x0000000075021000-memory.dmp

      Filesize

      5.7MB

    • memory/1852-25-0x0000000074A70000-0x0000000075021000-memory.dmp

      Filesize

      5.7MB

    • memory/4860-7-0x0000000074A70000-0x0000000075021000-memory.dmp

      Filesize

      5.7MB

    • memory/4860-5-0x0000000074A70000-0x0000000075021000-memory.dmp

      Filesize

      5.7MB

    • memory/4860-23-0x0000000074A70000-0x0000000075021000-memory.dmp

      Filesize

      5.7MB

    • memory/4860-1-0x0000000074A70000-0x0000000075021000-memory.dmp

      Filesize

      5.7MB

    • memory/4860-0-0x0000000074A72000-0x0000000074A73000-memory.dmp

      Filesize

      4KB

    • memory/4860-2-0x0000000074A70000-0x0000000075021000-memory.dmp

      Filesize

      5.7MB

    • memory/4860-6-0x0000000074A70000-0x0000000075021000-memory.dmp

      Filesize

      5.7MB

    • memory/4860-4-0x0000000074A72000-0x0000000074A73000-memory.dmp

      Filesize

      4KB

    • memory/4860-3-0x0000000074A70000-0x0000000075021000-memory.dmp

      Filesize

      5.7MB