Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    02-07-2022 13:50

General

  • Target

    b58ce9efc60bf3b96e5ae33f0ff0d5db.exe

  • Size

    1.7MB

  • MD5

    b58ce9efc60bf3b96e5ae33f0ff0d5db

  • SHA1

    b6d43d0e1979328a6e9f70e7606ee29e3011ccf1

  • SHA256

    a2a7bcdb4d33cd563018a1b9875a49a89d6637b8b0843de2b8f62bc65f980071

  • SHA512

    6d26907ac1cc5d95197f381c1b276a6d653e7d8274a5e11c7df927303228960a2f20525be7fcf0902bc538ae230f6a21ae3592ba4386296a6571f26fd1b11599

Malware Config

Signatures

  • Detected google phishing page
  • UPX packed file 7 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b58ce9efc60bf3b96e5ae33f0ff0d5db.exe
    "C:\Users\Admin\AppData\Local\Temp\b58ce9efc60bf3b96e5ae33f0ff0d5db.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1264
    • C:\Users\Admin\AppData\Local\Temp\b58ce9efc60bf3b96e5ae33f0ff0d5db.exe
      "C:\Users\Admin\AppData\Local\Temp\b58ce9efc60bf3b96e5ae33f0ff0d5db.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      PID:4112

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1264-130-0x0000000000E58000-0x0000000000FDB000-memory.dmp
    Filesize

    1.5MB

  • memory/1264-131-0x0000000002AC0000-0x0000000002C43000-memory.dmp
    Filesize

    1.5MB

  • memory/4112-132-0x0000000000000000-mapping.dmp
  • memory/4112-133-0x0000000000400000-0x00000000007A3000-memory.dmp
    Filesize

    3.6MB

  • memory/4112-134-0x0000000000400000-0x00000000007A3000-memory.dmp
    Filesize

    3.6MB

  • memory/4112-135-0x0000000000400000-0x00000000007A3000-memory.dmp
    Filesize

    3.6MB

  • memory/4112-136-0x0000000000400000-0x00000000007A3000-memory.dmp
    Filesize

    3.6MB

  • memory/4112-137-0x0000000000400000-0x00000000007A3000-memory.dmp
    Filesize

    3.6MB

  • memory/4112-138-0x0000000000400000-0x00000000007A3000-memory.dmp
    Filesize

    3.6MB

  • memory/4112-139-0x0000000000400000-0x00000000007A3000-memory.dmp
    Filesize

    3.6MB