Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-04-2024 15:29

General

  • Target

    2024-04-23_6b6ce9a89ad27803e996d27e5c801f9a_mafia.exe

  • Size

    493KB

  • MD5

    6b6ce9a89ad27803e996d27e5c801f9a

  • SHA1

    346e3c845c9318a94867019e18aea914384b23d8

  • SHA256

    a7d0c672f2383b9097231e90f909cbb2be67db05bde995f473549fcb5c0fea53

  • SHA512

    5ce3b662c5b7e9b674b56d00f0d247304e627446b8ce5d10d094332a18abaf44addd3ec80be271cb3e23617555ba0a0e10470e4ad55937f23b9088e81861d6ff

  • SSDEEP

    12288:FnKfyxV2ImdvPGBFfi8WuJ6+1x0KCYT88VtX06:JKfwV2HtPgFfN9/pDh

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-04-23_6b6ce9a89ad27803e996d27e5c801f9a_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-23_6b6ce9a89ad27803e996d27e5c801f9a_mafia.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2368
    • C:\Users\Admin\AppData\Local\Temp\n4030\s4030.exe
      "C:\Users\Admin\AppData\Local\Temp\n4030\s4030.exe" ins.exe /e 12601262 /u 52fe2c91-49dc-40b7-b209-1f140a000013 /v "C:\Users\Admin\AppData\Local\Temp\2024-04-23_6b6ce9a89ad27803e996d27e5c801f9a_mafia.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3248
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2368 -s 4500
      2⤵
      • Program crash
      PID:552
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2368 -ip 2368
    1⤵
      PID:1376

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\n4030\s4030.exe

      Filesize

      286KB

      MD5

      c268c937148a046322219b77c5a031b0

      SHA1

      e83ed15c7ef694a2281955a16ffeec0672c56107

      SHA256

      c913057e15ac6b27b204be58b52132d62901746075faa298bb0d08c84958d51e

      SHA512

      44cc28c7a707a37e49afdd23af42a620a8eb78f7b54913b41d8cd5eadd5ea37a6eb16e83d99dd75bbc736e70970a7c94b33d55950ed3dda45302477ea3868a19

    • memory/3248-11-0x00007FF903F30000-0x00007FF9048D1000-memory.dmp

      Filesize

      9.6MB

    • memory/3248-12-0x0000000000BB0000-0x0000000000BC0000-memory.dmp

      Filesize

      64KB

    • memory/3248-28-0x0000000000C60000-0x0000000000C6A000-memory.dmp

      Filesize

      40KB

    • memory/3248-31-0x000000001C020000-0x000000001C4EE000-memory.dmp

      Filesize

      4.8MB

    • memory/3248-32-0x000000001C590000-0x000000001C62C000-memory.dmp

      Filesize

      624KB

    • memory/3248-33-0x0000000000C40000-0x0000000000C48000-memory.dmp

      Filesize

      32KB

    • memory/3248-34-0x0000000000BB0000-0x0000000000BC0000-memory.dmp

      Filesize

      64KB

    • memory/3248-35-0x0000000000BB0000-0x0000000000BC0000-memory.dmp

      Filesize

      64KB

    • memory/3248-36-0x0000000000BB0000-0x0000000000BC0000-memory.dmp

      Filesize

      64KB

    • memory/3248-37-0x000000001DA60000-0x000000001DAC2000-memory.dmp

      Filesize

      392KB

    • memory/3248-38-0x000000001FC20000-0x000000001FD5C000-memory.dmp

      Filesize

      1.2MB

    • memory/3248-39-0x0000000020270000-0x000000002077E000-memory.dmp

      Filesize

      5.1MB

    • memory/3248-40-0x0000000020B80000-0x0000000020C80000-memory.dmp

      Filesize

      1024KB

    • memory/3248-41-0x0000000020B80000-0x0000000020C80000-memory.dmp

      Filesize

      1024KB

    • memory/3248-43-0x00007FF903F30000-0x00007FF9048D1000-memory.dmp

      Filesize

      9.6MB