Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-03-2024 09:31

General

  • Target

    2024-03-09_7090d8513956c85c1ddb5f7d32c95681_mafia.exe

  • Size

    500KB

  • MD5

    7090d8513956c85c1ddb5f7d32c95681

  • SHA1

    4a69b32f985f3b4899cd0770039ae74e57c03c83

  • SHA256

    03f096f38bed12291fe42d4af23c08373c145259fd5be8671f410d62de5117ed

  • SHA512

    050a20ca975fac6113545fb07e71d260c6dcec0d420fca7bd936c8a5e6913831391282964286a46a26d6526e9abb190805edd927520857eb8609d8bcf7a9b3cb

  • SSDEEP

    6144:75DK99xOtO8XMLOjyfdGdQK36OP9KEzmIr3JgYhCOPoKuRbdz5C241cOInPfnGfA:75Dc3x8XPjy07n1C4uASOIP/s4

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\2024-03-09_7090d8513956c85c1ddb5f7d32c95681_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-09_7090d8513956c85c1ddb5f7d32c95681_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:1580
    • C:\Users\Admin\AppData\Local\Temp\n4007\s4007.exe
      "C:\Users\Admin\AppData\Local\Temp\n4007\s4007.exe" ins.exe /h 4eb49.api.socdn.com /e 12932238 /t 53a8ec1b561ca3e67f8b4a4b /u ad0d8641-dff0-11e3-8a58-80c16e6f498c /v "C:\Users\Admin\AppData\Local\Temp\2024-03-09_7090d8513956c85c1ddb5f7d32c95681_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:2688
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1580 -s 4456
      2⤵
      • Program crash
      PID:536
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 1580 -ip 1580
    1⤵
      PID:3292
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4472 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:3372

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\n4007\s4007.exe

        Filesize

        286KB

        MD5

        3e3ab97a3be5f358ef2410034ca1d11e

        SHA1

        132b2d344871a59eea8cd45dcb289f880754de0a

        SHA256

        9343341db998236ead9f7bc0847747fb92cc90cc4709e7b6ff4c2ff6809dd1bb

        SHA512

        31cae25593341fe970dce4532449af639fb4b05a91591c1a22a8be52e2d9937439ef2a73e87cc49e636d24d3c5986a5d1954e9736046da4adbb7ac9857d9e48d

      • memory/2688-11-0x00007FFCA1BE0000-0x00007FFCA2581000-memory.dmp

        Filesize

        9.6MB

      • memory/2688-12-0x0000000000C30000-0x0000000000C40000-memory.dmp

        Filesize

        64KB

      • memory/2688-13-0x00007FFCA1BE0000-0x00007FFCA2581000-memory.dmp

        Filesize

        9.6MB

      • memory/2688-27-0x000000001B0D0000-0x000000001B0DA000-memory.dmp

        Filesize

        40KB

      • memory/2688-30-0x000000001BEC0000-0x000000001C38E000-memory.dmp

        Filesize

        4.8MB

      • memory/2688-31-0x000000001C430000-0x000000001C4CC000-memory.dmp

        Filesize

        624KB

      • memory/2688-32-0x000000001B790000-0x000000001B798000-memory.dmp

        Filesize

        32KB

      • memory/2688-33-0x0000000000C30000-0x0000000000C40000-memory.dmp

        Filesize

        64KB

      • memory/2688-34-0x0000000000C30000-0x0000000000C40000-memory.dmp

        Filesize

        64KB

      • memory/2688-35-0x0000000000C30000-0x0000000000C40000-memory.dmp

        Filesize

        64KB

      • memory/2688-36-0x0000000000C30000-0x0000000000C40000-memory.dmp

        Filesize

        64KB

      • memory/2688-37-0x000000001F890000-0x000000001F8F2000-memory.dmp

        Filesize

        392KB

      • memory/2688-38-0x000000001FF70000-0x00000000200AC000-memory.dmp

        Filesize

        1.2MB

      • memory/2688-39-0x00000000205C0000-0x0000000020ACE000-memory.dmp

        Filesize

        5.1MB

      • memory/2688-40-0x00007FFCA1BE0000-0x00007FFCA2581000-memory.dmp

        Filesize

        9.6MB

      • memory/2688-41-0x0000000000C30000-0x0000000000C40000-memory.dmp

        Filesize

        64KB

      • memory/2688-42-0x0000000020AD0000-0x0000000020BD0000-memory.dmp

        Filesize

        1024KB

      • memory/2688-44-0x00007FFCA1BE0000-0x00007FFCA2581000-memory.dmp

        Filesize

        9.6MB