Analysis

  • max time kernel
    149s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-07-2024 21:47

General

  • Target

    5933a435cc1e27e6c2de575596638964_JaffaCakes118.exe

  • Size

    104KB

  • MD5

    5933a435cc1e27e6c2de575596638964

  • SHA1

    b6b62cb96d3b8ce920bb9e4149fe5994abdc549c

  • SHA256

    072ee689dea574280bc50fbe1dd64b3fcb6e59426444d8c2adc59ee7cba28846

  • SHA512

    9ef14e927d8cd89c16decbafce3ecab123af6bc9bf6720e6230375be7d714ba49cd0a1ad59e9048852b2adb208939588e6a7ec85ab43e02c5767e416971a651d

  • SSDEEP

    1536:JD/AwPx+riFFG1l/m3wEeQqjh+rmKVsWiVPsrhSBXUc/:JDBYnFE2jwqWsWMfXn

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:2984
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of UnmapMainImage
      PID:3372
      • C:\Users\Admin\AppData\Local\Temp\5933a435cc1e27e6c2de575596638964_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\5933a435cc1e27e6c2de575596638964_JaffaCakes118.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3200
        • 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:4708
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4708 -s 356
            4⤵
            • Program crash
            PID:4292
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4708 -ip 4708
      1⤵
        PID:3464

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Persistence

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Privilege Escalation

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Defense Evasion

      Modify Registry

      1
      T1112

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2984-17-0x00007FF9E4650000-0x00007FF9E4651000-memory.dmp
        Filesize

        4KB

      • memory/2984-13-0x0000000000F90000-0x0000000000F96000-memory.dmp
        Filesize

        24KB

      • memory/3200-8-0x0000000000400000-0x000000000041ABB7-memory.dmp
        Filesize

        106KB

      • memory/3200-1-0x0000000002160000-0x0000000002161000-memory.dmp
        Filesize

        4KB

      • memory/3200-0-0x0000000000400000-0x000000000041ABB7-memory.dmp
        Filesize

        106KB

      • memory/3200-4-0x00000000025B0000-0x0000000002FB0000-memory.dmp
        Filesize

        10.0MB

      • memory/3200-9-0x00000000025B0000-0x0000000002FB0000-memory.dmp
        Filesize

        10.0MB

      • memory/3372-2-0x00000000008B0000-0x00000000008B6000-memory.dmp
        Filesize

        24KB

      • memory/3372-6-0x00007FF9E44CD000-0x00007FF9E44CE000-memory.dmp
        Filesize

        4KB

      • memory/3372-16-0x00007FF9E4660000-0x00007FF9E4661000-memory.dmp
        Filesize

        4KB

      • memory/3372-3-0x00000000008B0000-0x00000000008B6000-memory.dmp
        Filesize

        24KB

      • memory/4708-7-0x00007FF9E4430000-0x00007FF9E4625000-memory.dmp
        Filesize

        2.0MB

      • memory/4708-5-0x0000000077E72000-0x0000000077E73000-memory.dmp
        Filesize

        4KB

      • memory/4708-11-0x0000000000860000-0x0000000000866000-memory.dmp
        Filesize

        24KB

      • memory/4708-14-0x0000000000860000-0x0000000000866000-memory.dmp
        Filesize

        24KB