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Analysis

  • max time kernel
    167s
  • max time network
    194s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2022, 22:51

General

  • Target

    9d81f93f2916cb0e170ba5a93eb8176b22a96856f4d0de862b7997f824213ae7.exe

  • Size

    512KB

  • MD5

    e7e2950f68fc6c3bd7662ada6843fa19

  • SHA1

    0b3f2cbeb61fde6554830ec008ca4ebc8c8a4bf9

  • SHA256

    9d81f93f2916cb0e170ba5a93eb8176b22a96856f4d0de862b7997f824213ae7

  • SHA512

    a96445ed70f2804b1da5cb19bf8064c9ca4d8c4796502ab38e4176729f8d1b19afdfc5c573bd0b62f3d46e2868a7023433846b311a58a8141f6b7283664eae8f

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4Y:0+h9OY70z+warul3E4Y

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\9d81f93f2916cb0e170ba5a93eb8176b22a96856f4d0de862b7997f824213ae7.exe
    "C:\Users\Admin\AppData\Local\Temp\9d81f93f2916cb0e170ba5a93eb8176b22a96856f4d0de862b7997f824213ae7.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:2808
    • C:\Users\Admin\AppData\Local\Temp\n5187\s5187.exe
      "C:\Users\Admin\AppData\Local\Temp\n5187\s5187.exe" 7823c57bf671bfa5bea1d217stcX1DAkCmsvXANlig6VjwGNter6RmrPnDfcU3l6PiK0oTkqPKxIqWE9IE8yALVJHAuGDBT9iCc1r3vEaWg4JvgGYdhkQanIZ8oBkuEt5zxIozPuPXx3m2fyJdyGeA8yTTXTvZWMczJPkH3dnDGHdI9S /v "C:\Users\Admin\AppData\Local\Temp\9d81f93f2916cb0e170ba5a93eb8176b22a96856f4d0de862b7997f824213ae7.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:4264

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n5187\s5187.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n5187\s5187.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/4264-135-0x00007FFC8FEC0000-0x00007FFC908F6000-memory.dmp

    Filesize

    10.2MB

  • memory/4264-136-0x000000000139A000-0x000000000139F000-memory.dmp

    Filesize

    20KB

  • memory/4264-137-0x000000000139A000-0x000000000139F000-memory.dmp

    Filesize

    20KB