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Analysis

  • max time kernel
    135s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/05/2023, 08:40

General

  • Target

    acc9d0b639fd073f78dd8d1c9c65f172f0fff7fe33fc3d2cfed19bc8c3a25354.exe

  • Size

    277KB

  • MD5

    8ad56814fe812b5ac60d9cb8efb48548

  • SHA1

    bf3c4818a246076e743dcfdc6a96b974bb40d094

  • SHA256

    acc9d0b639fd073f78dd8d1c9c65f172f0fff7fe33fc3d2cfed19bc8c3a25354

  • SHA512

    effe6a28a76e107f8dfcfae0a32024ea826e907c16516039349d215ddbbd109abc3632804445dab4c133aea5f5091cb6f1779307456d13b36ab323088718d965

  • SSDEEP

    6144:bXzKdNY49u8rVWcFCyzGvWz8mvP6r401netu4:ka4AZMGvWXJ0114

Score
7/10
upx

Malware Config

Signatures

  • UPX packed file 2 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • 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\acc9d0b639fd073f78dd8d1c9c65f172f0fff7fe33fc3d2cfed19bc8c3a25354.exe
    "C:\Users\Admin\AppData\Local\Temp\acc9d0b639fd073f78dd8d1c9c65f172f0fff7fe33fc3d2cfed19bc8c3a25354.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1724
    • 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:4612
    • 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:364

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

  • 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/1724-133-0x0000000000B20000-0x0000000000BC0000-memory.dmp

    Filesize

    640KB

  • memory/1724-147-0x0000000000B20000-0x0000000000BC0000-memory.dmp

    Filesize

    640KB