Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-05-2024 19:32

General

  • Target

    f55bf8e14c47d9597ed2053c8d48db4e89e446d74cb1d6d8a979a5320fc9ef6d.exe

  • Size

    266KB

  • MD5

    b6b017a72365186acc331b75d244f57a

  • SHA1

    0b310954655a3cec728293124ee3bb35c1e821d7

  • SHA256

    f55bf8e14c47d9597ed2053c8d48db4e89e446d74cb1d6d8a979a5320fc9ef6d

  • SHA512

    fc04238782e9979a264b93780433169b0cbdf6b358778736c31feecbdafd5f3566affec180342631bc8c7199f1119cc4fbf3b88497af452daa5449fe3d6e50ff

  • SSDEEP

    3072:FNXEGZJWhfNFC4S60+XoLczrVmXBhUwMi1FLL5r6jQ6yGl1niFH01ne4PK:jXzKdNY49u8rVquwB1GlE01net

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 2 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\f55bf8e14c47d9597ed2053c8d48db4e89e446d74cb1d6d8a979a5320fc9ef6d.exe
    "C:\Users\Admin\AppData\Local\Temp\f55bf8e14c47d9597ed2053c8d48db4e89e446d74cb1d6d8a979a5320fc9ef6d.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:812
    • 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:4784
    • 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:3124

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/812-0-0x0000000000B30000-0x0000000000BD0000-memory.dmp

    Filesize

    640KB

  • memory/812-15-0x0000000000B30000-0x0000000000BD0000-memory.dmp

    Filesize

    640KB