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Analysis

  • max time kernel
    151s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/03/2024, 11:00

General

  • Target

    c06c6ba80f689afe763da6dcdf2087d6.exe

  • Size

    512KB

  • MD5

    c06c6ba80f689afe763da6dcdf2087d6

  • SHA1

    1794042d0f6a7c5aec8c082afe40bd62fa95fd24

  • SHA256

    0555f2574b8038730c5b57727ef6891c12e33f908c18ce5d01b27b8567a24395

  • SHA512

    e580baf5c0d5ebe6fca1ab753973f9fa26825fa3eb93712d408045411ea78e0c6de2393ae11291fb0011fa0d93f9d30d4dde60ae76070a5dfcd560b56ad5f203

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4c:0+h9OY70z+warul3E4c

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 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 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\c06c6ba80f689afe763da6dcdf2087d6.exe
    "C:\Users\Admin\AppData\Local\Temp\c06c6ba80f689afe763da6dcdf2087d6.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:4300
    • C:\Users\Admin\AppData\Local\Temp\n8616\s8616.exe
      "C:\Users\Admin\AppData\Local\Temp\n8616\s8616.exe" 544a185196171c7d8fe15e53WgnjPYlpDUc7RahhdCclw3rlq9aMrm2E+xBFS1CMsKPsj3ruHQMjn6NlTRh8pwWswDJV0+SlNuGM2om3TLSu44QKbjfXPuX5zfxLAHVuudomOCctrz1VfmT3cBt8QIlzazcqRHfZW1Gm0WD+J2ref4tZ /v "C:\Users\Admin\AppData\Local\Temp\c06c6ba80f689afe763da6dcdf2087d6.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:3920

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n8616\s8616.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/3920-12-0x00007FFADE9D0000-0x00007FFADF371000-memory.dmp

    Filesize

    9.6MB

  • memory/3920-13-0x0000000000E20000-0x0000000000E30000-memory.dmp

    Filesize

    64KB

  • memory/3920-27-0x000000001B6A0000-0x000000001B6B2000-memory.dmp

    Filesize

    72KB

  • memory/3920-30-0x000000001C4D0000-0x000000001C99E000-memory.dmp

    Filesize

    4.8MB

  • memory/3920-31-0x000000001CA40000-0x000000001CADC000-memory.dmp

    Filesize

    624KB

  • memory/3920-32-0x000000001CBF0000-0x000000001CC52000-memory.dmp

    Filesize

    392KB

  • memory/3920-33-0x0000000000E20000-0x0000000000E30000-memory.dmp

    Filesize

    64KB

  • memory/3920-34-0x000000001B6D0000-0x000000001B6D8000-memory.dmp

    Filesize

    32KB

  • memory/3920-35-0x0000000000E20000-0x0000000000E30000-memory.dmp

    Filesize

    64KB

  • memory/3920-36-0x0000000000E20000-0x0000000000E30000-memory.dmp

    Filesize

    64KB

  • memory/3920-37-0x0000000000E20000-0x0000000000E30000-memory.dmp

    Filesize

    64KB

  • memory/3920-38-0x0000000000E20000-0x0000000000E30000-memory.dmp

    Filesize

    64KB

  • memory/3920-39-0x0000000020690000-0x0000000020B9E000-memory.dmp

    Filesize

    5.1MB

  • memory/3920-40-0x0000000020DE0000-0x0000000020F1C000-memory.dmp

    Filesize

    1.2MB

  • memory/3920-41-0x00007FFADE9D0000-0x00007FFADF371000-memory.dmp

    Filesize

    9.6MB

  • memory/3920-43-0x00007FFADE9D0000-0x00007FFADF371000-memory.dmp

    Filesize

    9.6MB