Analysis

  • max time kernel
    182s
  • max time network
    193s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2022, 12:18

General

  • Target

    f5782e198d916cec9bede377c59f8ee8f9e19bf3da56a4a35c3be1fa00609ed9.exe

  • Size

    512KB

  • MD5

    f7580f94ff90d7f5af2b43c191802e72

  • SHA1

    69cebaaf007e01b2f6fe06ee1d9bd07240cd9daa

  • SHA256

    f5782e198d916cec9bede377c59f8ee8f9e19bf3da56a4a35c3be1fa00609ed9

  • SHA512

    eaa93d30fef18b75ac63d855c0fef867760bda49e78ed15a8e43a3d19300a1f4b4a5ec9884c54c193578acdac916bed9d9c2acb9d7033f714e249d9e067cc0d6

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4L:0+h9OY70z+warul3E4L

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\f5782e198d916cec9bede377c59f8ee8f9e19bf3da56a4a35c3be1fa00609ed9.exe
    "C:\Users\Admin\AppData\Local\Temp\f5782e198d916cec9bede377c59f8ee8f9e19bf3da56a4a35c3be1fa00609ed9.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:4068
    • C:\Users\Admin\AppData\Local\Temp\n896\s896.exe
      "C:\Users\Admin\AppData\Local\Temp\n896\s896.exe" fa394030c483c70ff0989aa0mFM5CGVPDyxMO9OerEB4H1sZvl9SB4xjUQ3erIniFboM6dCIlzd+UOK0yd9hHurldd3vdFla8QQ9L97CjnPcmZwMD7Fv230GOfWwtatZ69+rXvPanAyYAYY98T300KV6mYMiBCaVjk9Wb9ysd5f4Gx5x /v "C:\Users\Admin\AppData\Local\Temp\f5782e198d916cec9bede377c59f8ee8f9e19bf3da56a4a35c3be1fa00609ed9.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:4436

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n896\s896.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n896\s896.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/4436-135-0x00007FF91B990000-0x00007FF91C3C6000-memory.dmp

    Filesize

    10.2MB

  • memory/4436-136-0x0000000001B6A000-0x0000000001B6F000-memory.dmp

    Filesize

    20KB

  • memory/4436-137-0x0000000001B6A000-0x0000000001B6F000-memory.dmp

    Filesize

    20KB

  • memory/4436-138-0x0000000001B6A000-0x0000000001B6F000-memory.dmp

    Filesize

    20KB