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Analysis

  • max time kernel
    91s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/12/2023, 14:11

General

  • Target

    74b0867c8fc3815f610799cf461155a5.exe

  • Size

    512KB

  • MD5

    74b0867c8fc3815f610799cf461155a5

  • SHA1

    97bb34fdc3344d7cbfd9c6464b2c90e04aa40ef7

  • SHA256

    21b723ad3dce7aed63916e1e1f069909fda7a5fbb6bd5467f376f9cc4eb4f515

  • SHA512

    5858169330910eaa381dd70c668e583ef2845b9821b201a403d11deec4ffbdbf6c38e993e8f8e801ee88240eabe79a7fde9b1207310d404f302ca954e2b7a787

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E49:0+h9OY70z+warul3E49

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 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\74b0867c8fc3815f610799cf461155a5.exe
    "C:\Users\Admin\AppData\Local\Temp\74b0867c8fc3815f610799cf461155a5.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:4768
    • C:\Users\Admin\AppData\Local\Temp\n5978\s5978.exe
      "C:\Users\Admin\AppData\Local\Temp\n5978\s5978.exe" 3e71819ce5a3874a32cda921hjy9dUZCBuY+TzfsaIiJJE5DksjMMuacSkaTtsxhbOFI0RLmK1AGzD0Uoj1SBTNtSi0ywKN4X4SnIzC6oFVjSFmCTRsoGu29Aw3tHIODcAtr5oIs08evAMVY1D7QWzL5yyhSW+7UvNX3ylmqOvkhtetR /v "C:\Users\Admin\AppData\Local\Temp\74b0867c8fc3815f610799cf461155a5.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:1160

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n5978\s5978.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1160-12-0x00007FFAAD240000-0x00007FFAADBE1000-memory.dmp

    Filesize

    9.6MB

  • memory/1160-13-0x0000000001120000-0x0000000001130000-memory.dmp

    Filesize

    64KB

  • memory/1160-27-0x000000001B6A0000-0x000000001B6B2000-memory.dmp

    Filesize

    72KB

  • memory/1160-30-0x000000001C4D0000-0x000000001C99E000-memory.dmp

    Filesize

    4.8MB

  • memory/1160-31-0x000000001C9A0000-0x000000001CA3C000-memory.dmp

    Filesize

    624KB

  • memory/1160-32-0x000000001CB50000-0x000000001CBB2000-memory.dmp

    Filesize

    392KB

  • memory/1160-33-0x0000000001120000-0x0000000001130000-memory.dmp

    Filesize

    64KB

  • memory/1160-34-0x000000001B9E0000-0x000000001B9E8000-memory.dmp

    Filesize

    32KB

  • memory/1160-35-0x0000000001120000-0x0000000001130000-memory.dmp

    Filesize

    64KB

  • memory/1160-36-0x00007FFAAD240000-0x00007FFAADBE1000-memory.dmp

    Filesize

    9.6MB

  • memory/1160-37-0x0000000001120000-0x0000000001130000-memory.dmp

    Filesize

    64KB

  • memory/1160-38-0x0000000001120000-0x0000000001130000-memory.dmp

    Filesize

    64KB

  • memory/1160-39-0x00000000206B0000-0x0000000020BBE000-memory.dmp

    Filesize

    5.1MB

  • memory/1160-40-0x0000000020E00000-0x0000000020F3C000-memory.dmp

    Filesize

    1.2MB

  • memory/1160-41-0x0000000001120000-0x0000000001130000-memory.dmp

    Filesize

    64KB

  • memory/1160-42-0x00007FFAAD240000-0x00007FFAADBE1000-memory.dmp

    Filesize

    9.6MB

  • memory/1160-44-0x00007FFAAD240000-0x00007FFAADBE1000-memory.dmp

    Filesize

    9.6MB