Analysis

  • max time kernel
    144s
  • 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
    28/11/2022, 00:19

General

  • Target

    df97d9674736ead5f6bec84d643225572da4efae92bc317f5c91d2d8fb9d1879.exe

  • Size

    512KB

  • MD5

    7d773971ca6302bc169e27b6ded66a18

  • SHA1

    3a9c3ee4c6a1462574bf45ad9bca5f0f7bc2548a

  • SHA256

    df97d9674736ead5f6bec84d643225572da4efae92bc317f5c91d2d8fb9d1879

  • SHA512

    ab0dd83bf9d2e0a7ed3dc591e5b1ff536fa2576bcbceca90bacd0b69d70d3e643399c8fae34f0997dcfb18d5e367f8720cd5f28de454d94b144cb4b221379c04

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4p:0+h9OY70z+warul3E4p

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 5 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\df97d9674736ead5f6bec84d643225572da4efae92bc317f5c91d2d8fb9d1879.exe
    "C:\Users\Admin\AppData\Local\Temp\df97d9674736ead5f6bec84d643225572da4efae92bc317f5c91d2d8fb9d1879.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:2064
    • C:\Users\Admin\AppData\Local\Temp\n5915\s5915.exe
      "C:\Users\Admin\AppData\Local\Temp\n5915\s5915.exe" 8fd72ff2b1de605fb1ae14e4rCTN8MngtgK6zi8+z/EILIz2P/R1o3molNeC6TTEvZb4C2Cp0LlR9i8VkToEga6ZlWnPtYGPhAsGJHow5nHPd6Ojsg6azZDcPn2N9qMxb3ydx/XnMOdtDgRT1/1v6emDPY4ml9Fuq1HNsLBDqcf5igVv /v "C:\Users\Admin\AppData\Local\Temp\df97d9674736ead5f6bec84d643225572da4efae92bc317f5c91d2d8fb9d1879.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:2864

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n5915\s5915.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n5915\s5915.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/2864-135-0x00007FFF370B0000-0x00007FFF37AE6000-memory.dmp

          Filesize

          10.2MB

        • memory/2864-136-0x0000000000F4A000-0x0000000000F4F000-memory.dmp

          Filesize

          20KB

        • memory/2864-137-0x0000000000F4A000-0x0000000000F4F000-memory.dmp

          Filesize

          20KB