Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-11-2022 06:57

General

  • Target

    d425b08faf75fa8fbf44c85a189a14568f68728205b7c15f53c7cccdc5024dd2.exe

  • Size

    512KB

  • MD5

    7456e26f6d6bcc0580a8b4aa57692fa0

  • SHA1

    eb9b7a472bfc9a57d9da4a8cc2cfcedffd272e34

  • SHA256

    d425b08faf75fa8fbf44c85a189a14568f68728205b7c15f53c7cccdc5024dd2

  • SHA512

    37b752cc114387c4e3d4940d53ffb9ea1427a601ee3a691aa12e8446ac3fe89ab938ffe5daf16c3e7752e3e9d86658e16ced4d1422a591b86f65841fa3c86bfe

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4E:0+h9OY70z+warul3E4E

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\d425b08faf75fa8fbf44c85a189a14568f68728205b7c15f53c7cccdc5024dd2.exe
    "C:\Users\Admin\AppData\Local\Temp\d425b08faf75fa8fbf44c85a189a14568f68728205b7c15f53c7cccdc5024dd2.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:4664
    • C:\Users\Admin\AppData\Local\Temp\n4659\s4659.exe
      "C:\Users\Admin\AppData\Local\Temp\n4659\s4659.exe" a70334ef8081f6e60028e6776Bp1Nk0R4bDr3M5jxL7TBKcpRDHJnfV4LBL9v+y4cx1kbBwYHD8k/azf36lolRfHLbTFwOzQayYIjOt23ngI5C2AtqirigacJTeI1VTXxKZQNHSQMtz3vpCZuIMZrf7Y+eBZ5cFyn6I6ByeW5yv5qZo3 /v "C:\Users\Admin\AppData\Local\Temp\d425b08faf75fa8fbf44c85a189a14568f68728205b7c15f53c7cccdc5024dd2.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:2344

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n4659\s4659.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n4659\s4659.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/2344-132-0x0000000000000000-mapping.dmp

  • memory/2344-135-0x00007FFC900B0000-0x00007FFC90AE6000-memory.dmp

    Filesize

    10.2MB

  • memory/2344-136-0x0000000000B3A000-0x0000000000B3F000-memory.dmp

    Filesize

    20KB

  • memory/2344-137-0x0000000000B3A000-0x0000000000B3F000-memory.dmp

    Filesize

    20KB

  • memory/2344-138-0x0000000000B3A000-0x0000000000B3F000-memory.dmp

    Filesize

    20KB