Analysis

  • max time kernel
    151s
  • max time network
    164s
  • 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, 07:25

General

  • Target

    986739027ca90305237e6dd9d9c82652778b20991d6d6fdd6d50186563df69db.exe

  • Size

    512KB

  • MD5

    1ce2f40859ed1dfc51934745ecf63865

  • SHA1

    2354b78f84723b502efb10565fe73a17114c28b2

  • SHA256

    986739027ca90305237e6dd9d9c82652778b20991d6d6fdd6d50186563df69db

  • SHA512

    9506c580ad0de1d15ec6a11cb95702d5ab8a0cfd4ab3c61104286e2707f29ce9412ccd13cb7dcfe4846c6dc08b913c89001d8231fbf2ecf77ec169d35ca9be24

  • 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\986739027ca90305237e6dd9d9c82652778b20991d6d6fdd6d50186563df69db.exe
    "C:\Users\Admin\AppData\Local\Temp\986739027ca90305237e6dd9d9c82652778b20991d6d6fdd6d50186563df69db.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:4984
    • C:\Users\Admin\AppData\Local\Temp\n2141\s2141.exe
      "C:\Users\Admin\AppData\Local\Temp\n2141\s2141.exe" 4e3aae5c8ce9bb3d0379a3efZyYch3K5DKMbaV2GKB6mxPGoj+7Wmpyxwg2qPnHjmxZVUxvQgF++puFuUMfFfZhyVYvGSDmcbX9yeHIvewPY4PhbYrckN+tvPCnqapCn020kq13YNI/PJFZsnxa88LOP63T1KgXgnR2t7eyDw6suj6w2 /v "C:\Users\Admin\AppData\Local\Temp\986739027ca90305237e6dd9d9c82652778b20991d6d6fdd6d50186563df69db.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:1688

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n2141\s2141.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n2141\s2141.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/1688-135-0x000000001C1B0000-0x000000001CBE6000-memory.dmp

          Filesize

          10.2MB

        • memory/1688-136-0x00000000007C0000-0x00000000007D0000-memory.dmp

          Filesize

          64KB