Analysis

  • max time kernel
    139s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/01/2024, 04:28

General

  • Target

    717294dcb97fdc6956961d959c5277cc.exe

  • Size

    552KB

  • MD5

    717294dcb97fdc6956961d959c5277cc

  • SHA1

    a804ec581e88031d058b589f6d943afcaa7f9dea

  • SHA256

    254e859cf333e48c0b4fa877b0cd615022467520705cfb7625644936846e1830

  • SHA512

    e3c84faee7a9879ba87688fea19b73615cc94348281d6b3978c430a072773e315dd2f885e87e7be67bbfc9588c3b97e87486cbb718ff14ddf6b5ab84e48c76e0

  • SSDEEP

    12288:WXIuAEiJXh7v11VAp6zb8pigzZ+rh44m3PwVzugJ2rDcnTjAdU:WYuAEiJ511VAwzb8pigzZS0P6SgJ2DcP

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • 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).

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 9 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\717294dcb97fdc6956961d959c5277cc.exe
    "C:\Users\Admin\AppData\Local\Temp\717294dcb97fdc6956961d959c5277cc.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:2600
    • C:\Users\Admin\AppData\Local\Temp\n7580\s7580.exe
      "C:\Users\Admin\AppData\Local\Temp\n7580\s7580.exe" 8da64fda6d8930e893837918fRF3efOYTrKR7cCQKbWomehZip4/KTIEen64I97edzy0Zh+B2RYiCSpQtvWlb3kEhTKuEe+xNo37to9+gKw9P5jz0qkkXp1BU8C61iO4LIvxlWYZn1tRH0LS0eFB06h9VGAKSAzhsmgUDKq0NvGxUUti /v "C:\Users\Admin\AppData\Local\Temp\717294dcb97fdc6956961d959c5277cc.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:648

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n7580\s7580.exe

    Filesize

    230KB

    MD5

    dc9b8b622c5d9c22e5d1a633f51525b4

    SHA1

    7df8f1bbd6fb29dc31ad52b1bab239414f291f3a

    SHA256

    6089cf201d8508868883bf5e9c982f7ebe8b02399e5fb7c071b43909a98c80ae

    SHA512

    7ddca77b31a71b63c3753d0a5ba8b223a57fd77684c79d230861c5b54b59013fb5be7b1b0a733750140d4814b5fa8ee995ba4615f450f748a435d2e719a5c7c0

  • memory/648-12-0x00007FFC72210000-0x00007FFC72BB1000-memory.dmp

    Filesize

    9.6MB

  • memory/648-13-0x00000000016A0000-0x00000000016B0000-memory.dmp

    Filesize

    64KB

  • memory/648-14-0x00007FFC72210000-0x00007FFC72BB1000-memory.dmp

    Filesize

    9.6MB

  • memory/648-25-0x00000000017E0000-0x00000000017F2000-memory.dmp

    Filesize

    72KB

  • memory/648-28-0x00007FFC72210000-0x00007FFC72BB1000-memory.dmp

    Filesize

    9.6MB

  • memory/648-29-0x000000001CA50000-0x000000001CF1E000-memory.dmp

    Filesize

    4.8MB

  • memory/648-30-0x000000001CFC0000-0x000000001D05C000-memory.dmp

    Filesize

    624KB

  • memory/648-31-0x000000001D060000-0x000000001D0C2000-memory.dmp

    Filesize

    392KB

  • memory/648-32-0x00007FFC72210000-0x00007FFC72BB1000-memory.dmp

    Filesize

    9.6MB

  • memory/648-33-0x00000000016A0000-0x00000000016B0000-memory.dmp

    Filesize

    64KB

  • memory/648-34-0x0000000001850000-0x0000000001858000-memory.dmp

    Filesize

    32KB

  • memory/648-35-0x00000000016A0000-0x00000000016B0000-memory.dmp

    Filesize

    64KB

  • memory/648-36-0x00000000016A0000-0x00000000016B0000-memory.dmp

    Filesize

    64KB

  • memory/648-37-0x00000000016A0000-0x00000000016B0000-memory.dmp

    Filesize

    64KB

  • memory/648-38-0x00000000016A0000-0x00000000016B0000-memory.dmp

    Filesize

    64KB

  • memory/648-39-0x0000000020EF0000-0x00000000213FE000-memory.dmp

    Filesize

    5.1MB

  • memory/648-40-0x0000000021640000-0x000000002177C000-memory.dmp

    Filesize

    1.2MB

  • memory/648-42-0x00007FFC72210000-0x00007FFC72BB1000-memory.dmp

    Filesize

    9.6MB