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Analysis

  • max time kernel
    67s
  • max time network
    52s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/04/2024, 01:02

General

  • Target

    a77acbf6df0a96a225a5e614034d36608ec9fbf326c8097d63e147b358bd1d6d.exe

  • Size

    266KB

  • MD5

    48d52fa4fd184426f853fbee40eda70d

  • SHA1

    f3bfa0316d0b2d0816e29e3a763d5e94deca8b69

  • SHA256

    a77acbf6df0a96a225a5e614034d36608ec9fbf326c8097d63e147b358bd1d6d

  • SHA512

    6c3916379e85365f79f49b1f0f8bf77179666f968de75aaa4791ca713cd34bee7254ebb45e92469488444d20eb03638a620dd37bc8e8ac1789c56bcc1dec9e97

  • SSDEEP

    6144:SXzKdNY49u8rVqJxaHWgykV4dPMvc+/cv1fz01net:ha4ABCHzyxd2/m01

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).

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\a77acbf6df0a96a225a5e614034d36608ec9fbf326c8097d63e147b358bd1d6d.exe
    "C:\Users\Admin\AppData\Local\Temp\a77acbf6df0a96a225a5e614034d36608ec9fbf326c8097d63e147b358bd1d6d.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:540
    • 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:4908
    • 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:3392

Network

MITRE ATT&CK Enterprise v15

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

  • memory/540-0-0x00000000003F0000-0x0000000000490000-memory.dmp

    Filesize

    640KB

  • memory/540-14-0x00000000003F0000-0x0000000000490000-memory.dmp

    Filesize

    640KB

  • memory/540-15-0x00000000003F0000-0x0000000000490000-memory.dmp

    Filesize

    640KB