Analysis

  • max time kernel
    190s
  • max time network
    218s
  • 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, 01:25

General

  • Target

    7af9c1a2c0a5f1531740df3f6162d81fa566ee2b96f54b15db28f2769bc13443.exe

  • Size

    512KB

  • MD5

    ba6dfd7cc98439a6642d4eadcbfcc801

  • SHA1

    b092549bb78c55d2ae89bb990bf869ad3a9721b3

  • SHA256

    7af9c1a2c0a5f1531740df3f6162d81fa566ee2b96f54b15db28f2769bc13443

  • SHA512

    4793455ca86e05d474fbcd6817861952b8a1a0165d168a7dbf2cace888f6b776b34440a32abd90045518a63188b04060d069985f4e6bbb99ce87c4a324ea1567

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4K:0+h9OY70z+warul3E4K

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\7af9c1a2c0a5f1531740df3f6162d81fa566ee2b96f54b15db28f2769bc13443.exe
    "C:\Users\Admin\AppData\Local\Temp\7af9c1a2c0a5f1531740df3f6162d81fa566ee2b96f54b15db28f2769bc13443.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:2852
    • C:\Users\Admin\AppData\Local\Temp\n3712\s3712.exe
      "C:\Users\Admin\AppData\Local\Temp\n3712\s3712.exe" 1019bad22cfc6b8654edf0397cjlJMKg4LZ+CwA15Va87J8VtPiCc8tUbMNC0GT3Ir1MMOJg4+AGUdNj9Ipge+W89CT0aimuDlyGMSToKEFasrbPTTqW/oeddZwulSEW8hiO1NLD1vhiAp7Y71LpW35S5TK3/SBWoo7ydG9F3PXcqAO7 /v "C:\Users\Admin\AppData\Local\Temp\7af9c1a2c0a5f1531740df3f6162d81fa566ee2b96f54b15db28f2769bc13443.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:3352

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n3712\s3712.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n3712\s3712.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/3352-135-0x00007FFD34F60000-0x00007FFD35996000-memory.dmp

    Filesize

    10.2MB

  • memory/3352-136-0x0000000000DEA000-0x0000000000DEF000-memory.dmp

    Filesize

    20KB

  • memory/3352-137-0x0000000000DEA000-0x0000000000DEF000-memory.dmp

    Filesize

    20KB