Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230831-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/09/2023, 15:32

General

  • Target

    2023-08-22_2b2a8c039a67d33ac608fe5660540063_mafia_JC.exe

  • Size

    190KB

  • MD5

    2b2a8c039a67d33ac608fe5660540063

  • SHA1

    71088b9594deb4296b74e0c5d340b425934c366e

  • SHA256

    11bd912c5454ced0323488a0844a9c413463c759443d465e7cda28f73db75382

  • SHA512

    2b6167ecd95c7a6bf018e836f72614e784bb4db127f1d053c4b959f6cb378c1cb6e2d6f48e3ff2fbbd8f1538580ca9eb6286935538b2ef388b00f4157b8e0f3b

  • SSDEEP

    3072:bD/LRRwelzjlJlBbZpz9lZoVCVBxuH1KKMuoZvVTDz4CxcUTnEv55bAe8:P/Lgep51PzCAuLyvJDMCNnA55A

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2023-08-22_2b2a8c039a67d33ac608fe5660540063_mafia_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\2023-08-22_2b2a8c039a67d33ac608fe5660540063_mafia_JC.exe"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1120
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\HWID.txt
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:4248

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\HWID.txt

    Filesize

    271B

    MD5

    d12694db7bb5e8b3acb5f4980c6a7db2

    SHA1

    71aac29bc82c43c66427533c460ad03481f1ba9f

    SHA256

    87ced392234ec453b4943489c7988d324bdcbbaa3e5758d5c2dadcce2e63be8c

    SHA512

    15fe140287db8a322ed9a8d29998ab5daf43471f9060198405a39fc75e3f03ddeae69a6a4a9d4cb042b45b87ff02b22273c763b6527382e0c449390adc482e21