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Analysis

  • max time kernel
    153s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/12/2022, 23:29

General

  • Target

    332a113305fd912e31de58f6c2e9b046cc889039422d297c4731b18f46a9f3d7.exe

  • Size

    204KB

  • MD5

    870519675bccf779f4c76bc61fca99d8

  • SHA1

    3c6fd988811468fd4a9b9b002bc44d180e4f32c6

  • SHA256

    332a113305fd912e31de58f6c2e9b046cc889039422d297c4731b18f46a9f3d7

  • SHA512

    03058f84d97684f0b1202781787fe60e1a61de49cbd690a48a776d03ba524ee48812dc45daab51523644ddb3b452a8fb75d5230a8ee140e415ca63ed3edd782b

  • SSDEEP

    3072:AmYW8O+0tQ9nLHbB9W0c1TqECzR/mkSYGrl9ymgYUWiE:btc4QxL7B9W0c1RCzR/fSmlBE

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 29 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\332a113305fd912e31de58f6c2e9b046cc889039422d297c4731b18f46a9f3d7.exe
    "C:\Users\Admin\AppData\Local\Temp\332a113305fd912e31de58f6c2e9b046cc889039422d297c4731b18f46a9f3d7.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:768
    • C:\Users\Admin\vbjob.exe
      "C:\Users\Admin\vbjob.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:4904

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\vbjob.exe

    Filesize

    204KB

    MD5

    b44cb6120d83428892b754c9cdef05a4

    SHA1

    069bfa4c7e4bfe1bf5b97715630ae3c1a21d45b1

    SHA256

    afe5f68e26038710e3383527e9f1f89f6bda0f463b36998c895c3d3c94066f59

    SHA512

    d89207e495ee00b2ddc5f2eedbf3230660810c3de396a5c86cc851c9a8dbddbb164e61ab9668e46d5982f13107522de27df384815718eb08146b8b4991e61083

  • C:\Users\Admin\vbjob.exe

    Filesize

    204KB

    MD5

    b44cb6120d83428892b754c9cdef05a4

    SHA1

    069bfa4c7e4bfe1bf5b97715630ae3c1a21d45b1

    SHA256

    afe5f68e26038710e3383527e9f1f89f6bda0f463b36998c895c3d3c94066f59

    SHA512

    d89207e495ee00b2ddc5f2eedbf3230660810c3de396a5c86cc851c9a8dbddbb164e61ab9668e46d5982f13107522de27df384815718eb08146b8b4991e61083