Analysis

  • max time kernel
    143s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-11-2022 15:13

General

  • Target

    a8228febd009a3b4d361bd3e54a7ff00ce0abccc66a90f0df5f4bf71e1d450da.exe

  • Size

    512KB

  • MD5

    f39fb922edd9572d7b8d0cfec41be9b6

  • SHA1

    97b695d91a190dfbb1a031cb4d87993fa62ef896

  • SHA256

    a8228febd009a3b4d361bd3e54a7ff00ce0abccc66a90f0df5f4bf71e1d450da

  • SHA512

    13412fd6b1242b60582ecd593dc7617ae3927c0f9cd1a913a3a8f169650767de557f4ec8148671bf9fbbb711d5ce4d45a2893508855d5248140f062f4c6cd9d4

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E48:0+h9OY70z+warul3E48

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 3 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\a8228febd009a3b4d361bd3e54a7ff00ce0abccc66a90f0df5f4bf71e1d450da.exe
    "C:\Users\Admin\AppData\Local\Temp\a8228febd009a3b4d361bd3e54a7ff00ce0abccc66a90f0df5f4bf71e1d450da.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:2604
    • C:\Users\Admin\AppData\Local\Temp\n2302\s2302.exe
      "C:\Users\Admin\AppData\Local\Temp\n2302\s2302.exe" a7cc1f3294bf0d3d0e43f887WfbawZv0adoQd5E/DRHqwMRcmQ5j1J3nHAm5eWj38byvUp6fvbOHurV9sQK6RPIdl578d+HCKlhDbY2YfO+IFFWHnuBLgU/gtJCUeOu9i7eBgULMulOjTg1vP2xTy43gFt5quIJegRazhDUaNyLsW6xH /v "C:\Users\Admin\AppData\Local\Temp\a8228febd009a3b4d361bd3e54a7ff00ce0abccc66a90f0df5f4bf71e1d450da.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:3288

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n2302\s2302.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n2302\s2302.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/3288-132-0x0000000000000000-mapping.dmp

  • memory/3288-135-0x00007FFC45EE0000-0x00007FFC46916000-memory.dmp

    Filesize

    10.2MB

  • memory/3288-136-0x0000000000F6A000-0x0000000000F6F000-memory.dmp

    Filesize

    20KB

  • memory/3288-137-0x0000000000F6A000-0x0000000000F6F000-memory.dmp

    Filesize

    20KB