Analysis

  • max time kernel
    66s
  • max time network
    55s
  • 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 00:19

General

  • Target

    b4a1e6c9ac1a65e8af4e30b05d0860be22ff33b67ace88abceec426cdf783015.exe

  • Size

    266KB

  • MD5

    771f6cdc90f3cd728dd11b9ad2bb00c4

  • SHA1

    de45eccd945dc003f49c33630c006b2a876a8a42

  • SHA256

    b4a1e6c9ac1a65e8af4e30b05d0860be22ff33b67ace88abceec426cdf783015

  • SHA512

    1a47db27492c879436daa09aece98552ea318207e31f2ee86ff7619ff4b54c4a36bcf5706b3aa654bf35a95c87e8a7f76a3cba67602392f3876f160115a1377a

  • SSDEEP

    3072:PNXEGZJWhfNFC4S60+XoLczrVmXHuv3Ei9ZP7aPQ8ug0x3xS6HkL4TIH01ne4PK:VXzKdNY49u8rVbvjqMg0x3j+01net

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\b4a1e6c9ac1a65e8af4e30b05d0860be22ff33b67ace88abceec426cdf783015.exe
    "C:\Users\Admin\AppData\Local\Temp\b4a1e6c9ac1a65e8af4e30b05d0860be22ff33b67ace88abceec426cdf783015.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:220
    • 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:760
    • 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:3688

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/220-0-0x0000000000A40000-0x0000000000AE0000-memory.dmp

    Filesize

    640KB

  • memory/220-14-0x0000000000A40000-0x0000000000AE0000-memory.dmp

    Filesize

    640KB

  • memory/220-15-0x0000000000A40000-0x0000000000AE0000-memory.dmp

    Filesize

    640KB