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Analysis

  • max time kernel
    136s
  • max time network
    157s
  • 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, 21:58

General

  • Target

    7dbc74483f6f009c86f1bf08f807860bbde88f52f444aeeaea4a32a828d8f961.exe

  • Size

    512KB

  • MD5

    02de96aa98c792a31bce842b68a4ec6e

  • SHA1

    7ff23162d7d47e87332c933b31641f12c0eaa849

  • SHA256

    7dbc74483f6f009c86f1bf08f807860bbde88f52f444aeeaea4a32a828d8f961

  • SHA512

    8ca58b58dfbf656e1175dc6926137eb3788a1e428ef53bc1d245f7cd6b50860e8677ff030beb8d4ef98c74020e645500e07ee8991919dad349538bf0569aa337

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4In: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\7dbc74483f6f009c86f1bf08f807860bbde88f52f444aeeaea4a32a828d8f961.exe
    "C:\Users\Admin\AppData\Local\Temp\7dbc74483f6f009c86f1bf08f807860bbde88f52f444aeeaea4a32a828d8f961.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:4696
    • C:\Users\Admin\AppData\Local\Temp\n7075\s7075.exe
      "C:\Users\Admin\AppData\Local\Temp\n7075\s7075.exe" a73fd7c27ed841284e1b4666BRxJSLwevjN+641CqwVfiZoJ8yB4ml92IH5nXGxQxeVKf8P1xCm2QWkZ6Sr7gCmPzdEsCI/t3uHXrTjUL7sw9Hr/SAJJeIEZ4J6NtLb8chuk8MytWhpKxHd3+44Y0h6dXm3VQX+JLIS84xcNetyaAB2R /v "C:\Users\Admin\AppData\Local\Temp\7dbc74483f6f009c86f1bf08f807860bbde88f52f444aeeaea4a32a828d8f961.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:4108

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n7075\s7075.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n7075\s7075.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/4108-135-0x00007FFE34240000-0x00007FFE34C76000-memory.dmp

    Filesize

    10.2MB

  • memory/4108-136-0x00000000017CA000-0x00000000017CF000-memory.dmp

    Filesize

    20KB

  • memory/4108-137-0x00000000017CA000-0x00000000017CF000-memory.dmp

    Filesize

    20KB