Analysis

  • max time kernel
    211s
  • max time network
    227s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-11-2022 00:38

General

  • Target

    a337a32e4b79ded7bc1eab26ba028cbdf72ae773ebfecbfe8a0f6f940d91b43a.exe

  • Size

    512KB

  • MD5

    cae6db91ba40e52d21e3c01abf152a55

  • SHA1

    0319f4efa0a97e6b12266f3cc9383f4a366cbcfe

  • SHA256

    a337a32e4b79ded7bc1eab26ba028cbdf72ae773ebfecbfe8a0f6f940d91b43a

  • SHA512

    947ce311c708f967f41f994d4ae45b04183abdfbd127d0098040a1f0d705cc70e3c7e9acccfc8b3e3411b4af52328738305ad290298435a01d5a3c5b4bcb8340

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4I:0+h9OY70z+warul3E4I

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\a337a32e4b79ded7bc1eab26ba028cbdf72ae773ebfecbfe8a0f6f940d91b43a.exe
    "C:\Users\Admin\AppData\Local\Temp\a337a32e4b79ded7bc1eab26ba028cbdf72ae773ebfecbfe8a0f6f940d91b43a.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:4616
    • C:\Users\Admin\AppData\Local\Temp\n1199\s1199.exe
      "C:\Users\Admin\AppData\Local\Temp\n1199\s1199.exe" d0ee9989b9dc455e9c02cf61DpL+6MuARHzNA7ZMlelxQCcGUwaMbYOlrgSCU8ErgZk2+Shl3L/bcVNXKFXYOZLSgco7+MjtPHU/thJMwd0rp6LYaNOKvvcg+QPggwRiCGFW5AqhZyhhCibzp0G1zeYgZT2LbI6je1NoEEFsgM++w5E/ /v "C:\Users\Admin\AppData\Local\Temp\a337a32e4b79ded7bc1eab26ba028cbdf72ae773ebfecbfe8a0f6f940d91b43a.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:4332

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n1199\s1199.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n1199\s1199.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/4332-135-0x00007FFA104F0000-0x00007FFA10F26000-memory.dmp

    Filesize

    10.2MB

  • memory/4332-136-0x000000000119A000-0x000000000119F000-memory.dmp

    Filesize

    20KB

  • memory/4332-137-0x000000000119A000-0x000000000119F000-memory.dmp

    Filesize

    20KB

  • memory/4332-138-0x000000000119A000-0x000000000119F000-memory.dmp

    Filesize

    20KB