Analysis

  • max time kernel
    132s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-04-2024 13:44

General

  • Target

    b9de1a7e33838739765280f88cd4d085_JaffaCakes118.exe

  • Size

    46KB

  • MD5

    b9de1a7e33838739765280f88cd4d085

  • SHA1

    b33cae4f136d285e586be2e06f08fcedb503ead4

  • SHA256

    f87c76ce50c25cbd35a4ba2309ac20508300b2aa7e8432b1f6c5ed414409c45b

  • SHA512

    21ff6386d6e4258b29e84d4fd7d817a7573fcf100268aa8f0dac82059c79ca52093e5cacb68cb0201632a45e3632022b212b52ecd332fad140273a6555c0808c

  • SSDEEP

    768:HtwyMe0Jy8xwd117mrlI9m/xGuv4V7RMEnqt9jn2ACH3hLZ2HwCLlH:Htwyedxwr1qUMv4VV6j2A83hVY

Malware Config

Signatures

  • Tinba / TinyBanker

    Banking trojan which uses packet sniffing to steal data.

  • UPX packed file 1 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2676
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of UnmapMainImage
      PID:3528
      • C:\Users\Admin\AppData\Local\Temp\b9de1a7e33838739765280f88cd4d085_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\b9de1a7e33838739765280f88cd4d085_JaffaCakes118.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2664
        • C:\Windows\SysWOW64\winver.exe
          winver
          3⤵
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:4304
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4304 -s 352
            4⤵
            • Program crash
            PID:452
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4304 -ip 4304
      1⤵
        PID:1212

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2664-9-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/2664-1-0x00000000005E0000-0x00000000005E1000-memory.dmp

        Filesize

        4KB

      • memory/2664-0-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/2664-3-0x00000000026A0000-0x00000000030A0000-memory.dmp

        Filesize

        10.0MB

      • memory/2664-10-0x00000000026A0000-0x00000000030A0000-memory.dmp

        Filesize

        10.0MB

      • memory/2676-14-0x0000000000150000-0x0000000000156000-memory.dmp

        Filesize

        24KB

      • memory/3528-4-0x0000000001090000-0x0000000001096000-memory.dmp

        Filesize

        24KB

      • memory/3528-8-0x00007FFE4B980000-0x00007FFE4B981000-memory.dmp

        Filesize

        4KB

      • memory/3528-5-0x00007FFE4B7ED000-0x00007FFE4B7EE000-memory.dmp

        Filesize

        4KB

      • memory/3528-2-0x0000000001090000-0x0000000001096000-memory.dmp

        Filesize

        24KB

      • memory/4304-7-0x0000000000BF0000-0x0000000000BF6000-memory.dmp

        Filesize

        24KB

      • memory/4304-6-0x0000000077DD2000-0x0000000077DD3000-memory.dmp

        Filesize

        4KB

      • memory/4304-15-0x0000000000BF0000-0x0000000000BF6000-memory.dmp

        Filesize

        24KB