Analysis

  • max time kernel
    189s
  • max time network
    208s
  • 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, 08:00

General

  • Target

    516c7a8e9bc75a4dbfc00db0196efdbe6438e31e4849069ffb47dfe7cf84ce17.exe

  • Size

    512KB

  • MD5

    91d0e9089e12566de6306e5f91c1ed7b

  • SHA1

    2f09584130378b6151504cfc60d6baca6aeb9f4b

  • SHA256

    516c7a8e9bc75a4dbfc00db0196efdbe6438e31e4849069ffb47dfe7cf84ce17

  • SHA512

    019c8e5ea012434d6137ab5b01723eb6712beee7c927df7c1974fcf19f4840eae0dd3c6e362e7097f25522871f154ed9c24bcd1e65dc7e9bb41f825eeace0c61

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4v:0+h9OY70z+warul3E4v

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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\516c7a8e9bc75a4dbfc00db0196efdbe6438e31e4849069ffb47dfe7cf84ce17.exe
    "C:\Users\Admin\AppData\Local\Temp\516c7a8e9bc75a4dbfc00db0196efdbe6438e31e4849069ffb47dfe7cf84ce17.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:3548
    • C:\Users\Admin\AppData\Local\Temp\n8872\s8872.exe
      "C:\Users\Admin\AppData\Local\Temp\n8872\s8872.exe" f1f9ab285afa9bb4814e8893AB/Gif7GsAKet3wivYylcoPhMJSieXQ5aXVvYGz8eOkh+BFWX/rJPTiV4B1Scj1ws7UIp/6N0t5thAfLqVzEb7qVc8GEwv0pFE7iV7sUHhccdff0bDtpb3MoxQbVR+rDyJNOa/i0yCQI+HUvnyPRYKJw /v "C:\Users\Admin\AppData\Local\Temp\516c7a8e9bc75a4dbfc00db0196efdbe6438e31e4849069ffb47dfe7cf84ce17.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
      PID:3968

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n8872\s8872.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n8872\s8872.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/3968-135-0x00007FFA18830000-0x00007FFA19266000-memory.dmp

          Filesize

          10.2MB