Analysis

  • max time kernel
    139s
  • max time network
    159s
  • 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 20:06

General

  • Target

    75887d8683adfb76b908de5b7dd99a6a14ccc5978ccbe91c63fb296320282314.exe

  • Size

    277KB

  • MD5

    160e0e422bfc7489ff698ccb59652486

  • SHA1

    0252713cbf05ec5919d97e9185447f3474b9f93e

  • SHA256

    75887d8683adfb76b908de5b7dd99a6a14ccc5978ccbe91c63fb296320282314

  • SHA512

    33d3fa7a552fe1b25173ff4e790352145a1bf2d376f2282c8fa39777aa5223fd448dbb6cccb2a091a1ffbc896d0b6095bff189ca043d8c410e455d15d21b663e

  • SSDEEP

    3072:mNXEGZJWhfNFC4S60+XoLczrVmXTxAA8chVHjS+/fbC8DcGsfLyH01ne4PKfx31:0XzKdNY49u8rVwTvjLHu8DcGv01netl1

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\75887d8683adfb76b908de5b7dd99a6a14ccc5978ccbe91c63fb296320282314.exe
    "C:\Users\Admin\AppData\Local\Temp\75887d8683adfb76b908de5b7dd99a6a14ccc5978ccbe91c63fb296320282314.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4764
    • 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:4632
    • 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:2592

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/4764-132-0x0000000000890000-0x0000000000930000-memory.dmp

    Filesize

    640KB

  • memory/4764-137-0x0000000000890000-0x0000000000930000-memory.dmp

    Filesize

    640KB

  • memory/4764-138-0x0000000000890000-0x0000000000930000-memory.dmp

    Filesize

    640KB