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Analysis

  • max time kernel
    149s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/04/2024, 23:22

General

  • Target

    90dfa1053e87c34c6f0348cfdf179c4830cd0cdcebbcb793f9759c7f80b701a0.exe

  • Size

    204KB

  • MD5

    45b593a6c6918d963cc9ebdd5d1ac6ff

  • SHA1

    800f0104f1c0055ed700fd2c5fb4211096932568

  • SHA256

    90dfa1053e87c34c6f0348cfdf179c4830cd0cdcebbcb793f9759c7f80b701a0

  • SHA512

    e546956ea56e950185d208f87a3f01a6d99a69d240025150744a035e5ebc2078adea81147a1a99cc270133b9ffc0acd09315790ffacb504f25df96611eea5f8b

  • SSDEEP

    3072:mmHW800tQ9nLHbB9W0c1TqECzR/mkSYGrl9ymgYUWVoZ:B2H4QxL7B9W0c1RCzR/fSmluK

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 27 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\90dfa1053e87c34c6f0348cfdf179c4830cd0cdcebbcb793f9759c7f80b701a0.exe
    "C:\Users\Admin\AppData\Local\Temp\90dfa1053e87c34c6f0348cfdf179c4830cd0cdcebbcb793f9759c7f80b701a0.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2188
    • C:\Users\Admin\hajur.exe
      "C:\Users\Admin\hajur.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2124

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\hajur.exe

    Filesize

    204KB

    MD5

    32e6b441e0fa98c578a0f91e872a49ed

    SHA1

    b03f9245bc6265326ba199f09b14268790fac420

    SHA256

    16b32f283145a9eb16c8c4b04128efc47f8d75e1441353cb72eac3c4759d6c52

    SHA512

    e68145f32cdb26baa9d384f7f6226a95f89282950a522708cfd25658a42f4474ec0b552fd09f7049b206e3bf4ebfef454911501919ca49bd130301b4a4d204d4