Analysis

  • max time kernel
    139s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-11-2022 22:01

General

  • Target

    451e677fab50b72352cea99bca32f4a620825518bc45086d4a7f96d457ee6ffd.exe

  • Size

    512KB

  • MD5

    030317be6bb13bd8955c45108fc1a605

  • SHA1

    9ff3c65f9064aa72773e2f5453dc88fdd401706e

  • SHA256

    451e677fab50b72352cea99bca32f4a620825518bc45086d4a7f96d457ee6ffd

  • SHA512

    16d9bbda13baad2a7bbfbc686938e4f4927133a1ab9295334351ab1d075c36584fead8214861acd0ba0836becc17a1313e735e8e39154290c62b98cd1e93e836

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4G:0+h9OY70z+warul3E4G

Score
9/10

Malware Config

Signatures

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

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

  • 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). Likely ransomware behaviour.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 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\451e677fab50b72352cea99bca32f4a620825518bc45086d4a7f96d457ee6ffd.exe
    "C:\Users\Admin\AppData\Local\Temp\451e677fab50b72352cea99bca32f4a620825518bc45086d4a7f96d457ee6ffd.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:1488
    • C:\Users\Admin\AppData\Local\Temp\n7712\s7712.exe
      "C:\Users\Admin\AppData\Local\Temp\n7712\s7712.exe" d28f2ed0d5e042ffa995f959ye9/fB6E9JI4vcMtgg26UO7OH0/FBWEU/i270YtgFXOq3iBkrk4ZPwWYDjZnTSlBCG95pnuA3TTkB8jra5LxY121j8ymU66LMzvlTerP2131iJQAO/5gp22S6B0w2Ko3ZCA47yMcTUmSqY5zMJAqvWvO /v "C:\Users\Admin\AppData\Local\Temp\451e677fab50b72352cea99bca32f4a620825518bc45086d4a7f96d457ee6ffd.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:3768

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n7712\s7712.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n7712\s7712.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/3768-132-0x0000000000000000-mapping.dmp

  • memory/3768-135-0x00007FFD76860000-0x00007FFD77296000-memory.dmp

    Filesize

    10.2MB

  • memory/3768-136-0x00000000018AA000-0x00000000018AF000-memory.dmp

    Filesize

    20KB

  • memory/3768-137-0x00000000018AA000-0x00000000018AF000-memory.dmp

    Filesize

    20KB

  • memory/3768-138-0x00000000018AA000-0x00000000018AF000-memory.dmp

    Filesize

    20KB