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Analysis

  • max time kernel
    145s
  • max time network
    158s
  • 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, 01:04

General

  • Target

    750bcaa355f6de07c9a4f335d65e4ea1640579890e546f54cefbb7857acdacf0.exe

  • Size

    512KB

  • MD5

    8cb90caf02187d0f9b7f19edc7d3faa1

  • SHA1

    de18038b163d9657fc58d56b497ea90ef0e01c8c

  • SHA256

    750bcaa355f6de07c9a4f335d65e4ea1640579890e546f54cefbb7857acdacf0

  • SHA512

    49b85c8ed04bc0ef8c37b78de578646d5f005295cfdc2d2ea19b716ff6ce4c60b58bfb8861deecd766dc9c8115f3b35193b55e70ea4623280247c23e3bf23880

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4/:0+h9OY70z+warul3E4/

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\750bcaa355f6de07c9a4f335d65e4ea1640579890e546f54cefbb7857acdacf0.exe
    "C:\Users\Admin\AppData\Local\Temp\750bcaa355f6de07c9a4f335d65e4ea1640579890e546f54cefbb7857acdacf0.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:616
    • C:\Users\Admin\AppData\Local\Temp\n6808\s6808.exe
      "C:\Users\Admin\AppData\Local\Temp\n6808\s6808.exe" 1f504338412eb10f24487152Q/6hTr0f47DD+6t/q5pxC8OEZ77mVWwN8HCrgSW+EVskAm9EM2D6yFjkd+bXKCur72h9HwPLlInVyUGuWxGN4ykjGP+tdO056m0s3cEZa7lBkYbuiri8iPbrp3zRfGGtsK8ZvOiRyh2jf7vfb541ajeP /v "C:\Users\Admin\AppData\Local\Temp\750bcaa355f6de07c9a4f335d65e4ea1640579890e546f54cefbb7857acdacf0.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:2960

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n6808\s6808.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n6808\s6808.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/2960-135-0x000000001C760000-0x000000001D196000-memory.dmp

    Filesize

    10.2MB

  • memory/2960-136-0x00000000011E0000-0x00000000011F0000-memory.dmp

    Filesize

    64KB

  • memory/2960-137-0x00000000011E0000-0x00000000011F0000-memory.dmp

    Filesize

    64KB