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Analysis

  • max time kernel
    256s
  • max time network
    342s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/02/2023, 09:40

General

  • Target

    a68bf69d845d22e0f0f2cd2eed1ac90ba441a974af97f40184009ebbdfb7ce65.exe

  • Size

    277KB

  • MD5

    f52f9c3a79bbeaf06f0f099b926a2500

  • SHA1

    561ce9246ee74ce775f3f8f581848982610cae42

  • SHA256

    a68bf69d845d22e0f0f2cd2eed1ac90ba441a974af97f40184009ebbdfb7ce65

  • SHA512

    754230da1966ee2cb7d90b659d3cf0321781bb1171cd8d901e8d1af58d605d95c24dd01ec8bf385e067fef0826dae6a6181b0fdcb99bd7bfc580ee897d3719fb

  • SSDEEP

    6144:EXzKdNY49u8rVPuw4UFkkQNltmkIy01netP:ra4Ao/YlXN01g

Score
7/10
upx

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a68bf69d845d22e0f0f2cd2eed1ac90ba441a974af97f40184009ebbdfb7ce65.exe
    "C:\Users\Admin\AppData\Local\Temp\a68bf69d845d22e0f0f2cd2eed1ac90ba441a974af97f40184009ebbdfb7ce65.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4228
    • C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe
      "C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"
      2⤵
      • Executes dropped EXE
      PID:4196
    • C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe
      "C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"
      2⤵
      • Executes dropped EXE
      PID:732

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe

    Filesize

    87KB

    MD5

    368332fca74f48697d842c5f4698ae1d

    SHA1

    0275153a1e62bd0eca0b02168895517ed66aac56

    SHA256

    3a4a5b128c3a042010824fd33b719466b0d9320aa051ca3d5f1690124766ad59

    SHA512

    fd9f1d1a4337e00fef5e9ea10a7fdf553e98df2cf2fdf818b68689a89de3c1d324de389e0c9ef863fef08a3dff8150db173b2203e9e92efaea67865e8d2805b5

  • C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe

    Filesize

    87KB

    MD5

    368332fca74f48697d842c5f4698ae1d

    SHA1

    0275153a1e62bd0eca0b02168895517ed66aac56

    SHA256

    3a4a5b128c3a042010824fd33b719466b0d9320aa051ca3d5f1690124766ad59

    SHA512

    fd9f1d1a4337e00fef5e9ea10a7fdf553e98df2cf2fdf818b68689a89de3c1d324de389e0c9ef863fef08a3dff8150db173b2203e9e92efaea67865e8d2805b5

  • memory/4228-132-0x0000000000610000-0x00000000006B0000-memory.dmp

    Filesize

    640KB

  • memory/4228-133-0x0000000000610000-0x00000000006B0000-memory.dmp

    Filesize

    640KB

  • memory/4228-138-0x0000000000610000-0x00000000006B0000-memory.dmp

    Filesize

    640KB