Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/06/2024, 22:29

General

  • Target

    5c8fcc613c5aafd53123746456bc9726f3cd2c74e269f2f41df80aa6a87bf634.exe

  • Size

    418KB

  • MD5

    d59eb8cb36a1fd4b177de0c5a7949feb

  • SHA1

    df841a0c247c65a1bfc4b4fe6fea722b84045af2

  • SHA256

    5c8fcc613c5aafd53123746456bc9726f3cd2c74e269f2f41df80aa6a87bf634

  • SHA512

    c279252b2f3ed7ab26d03358d680ce999be792a31d15f45d0961ca3dbb9a06204cdec9a37b5a90ebf1f31c2ed533fd574d5554fc77cd9c391c059ba38a237009

  • SSDEEP

    6144:a4kCzDW+q6MEp1JfTOOOW6tEbNM6gUzKuGHxLq+nbon6Xbqzvh4V1Jpnjjjjj:aX+q9WvfaqaHI5GPnbYEAv2Nnjjjjj

Score
9/10

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 5 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Program crash 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5c8fcc613c5aafd53123746456bc9726f3cd2c74e269f2f41df80aa6a87bf634.exe
    "C:\Users\Admin\AppData\Local\Temp\5c8fcc613c5aafd53123746456bc9726f3cd2c74e269f2f41df80aa6a87bf634.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:940
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 940 -s 724
      2⤵
      • Program crash
      PID:4180
    • C:\ProgramData\pJ01831KoMbF01831\pJ01831KoMbF01831.exe
      "C:\ProgramData\pJ01831KoMbF01831\pJ01831KoMbF01831.exe" "C:\Users\Admin\AppData\Local\Temp\5c8fcc613c5aafd53123746456bc9726f3cd2c74e269f2f41df80aa6a87bf634.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:5104
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5104 -s 724
        3⤵
        • Program crash
        PID:4532
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 940 -ip 940
    1⤵
      PID:4912
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 5104 -ip 5104
      1⤵
        PID:1264

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\pJ01831KoMbF01831\pJ01831KoMbF01831.exe

        Filesize

        418KB

        MD5

        fdd505bc89b87565b1b486729427393f

        SHA1

        ad50e6b2fd556d6c0e3bc7165464f4543eafd84e

        SHA256

        791af1e3a64877150f1bb93cddd0547a755dffa572cef18ee000056e531f4ca8

        SHA512

        40e4181892b7ba08a27addf719ec916c96d9afe89cd1c0588ddc55a3a4f5260d5347ff8850b768adaf4e0198096dd1b3a6b1d7f6883f565ca0e2b3f878bc8337

      • memory/940-0-0x0000000002220000-0x0000000002223000-memory.dmp

        Filesize

        12KB

      • memory/940-6-0x0000000000400000-0x00000000004F8000-memory.dmp

        Filesize

        992KB

      • memory/940-11-0x0000000000400000-0x00000000004F8000-memory.dmp

        Filesize

        992KB

      • memory/5104-14-0x0000000000400000-0x00000000004F8000-memory.dmp

        Filesize

        992KB

      • memory/5104-17-0x0000000000400000-0x00000000004F8000-memory.dmp

        Filesize

        992KB

      • memory/5104-23-0x0000000000400000-0x00000000004F8000-memory.dmp

        Filesize

        992KB

      • memory/5104-30-0x0000000000400000-0x00000000004F8000-memory.dmp

        Filesize

        992KB