Analysis

  • max time kernel
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-07-2024 23:20

General

  • Target

    473838310abed3fe140532c622441966_JaffaCakes118.exe

  • Size

    160KB

  • MD5

    473838310abed3fe140532c622441966

  • SHA1

    bd29d033aec0638e645da3b189869fc26f4725cf

  • SHA256

    fd24825352492874b891f2ff470a0780c76616cf726d64f449b097219f4c4c41

  • SHA512

    3a0806f3638d178d2a7db3f990ee8e0c3f61c3ac708408c232b3fcc85e5b08e392f598c0d9770be292d32019a8573859846ab7e0a830e0d07f2bf5e7b8e69805

  • SSDEEP

    1536:YEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:bY+4MiIkLZJNAQ9J6v

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:2500
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of UnmapMainImage
      PID:3524
      • C:\Users\Admin\AppData\Local\Temp\473838310abed3fe140532c622441966_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\473838310abed3fe140532c622441966_JaffaCakes118.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4412
        • 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:3452
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3452 -s 352
            4⤵
            • Program crash
            PID:2308
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3452 -ip 3452
      1⤵
        PID:1944

      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/2500-15-0x0000000000AD0000-0x0000000000AD6000-memory.dmp
        Filesize

        24KB

      • memory/3452-5-0x0000000076F82000-0x0000000076F83000-memory.dmp
        Filesize

        4KB

      • memory/3452-16-0x00000000027A0000-0x00000000027A6000-memory.dmp
        Filesize

        24KB

      • memory/3452-13-0x00000000027A0000-0x00000000027A6000-memory.dmp
        Filesize

        24KB

      • memory/3452-7-0x00007FF9B7AF0000-0x00007FF9B7CE5000-memory.dmp
        Filesize

        2.0MB

      • memory/3524-2-0x0000000000EE0000-0x0000000000EE6000-memory.dmp
        Filesize

        24KB

      • memory/3524-6-0x00007FF9B7B8D000-0x00007FF9B7B8E000-memory.dmp
        Filesize

        4KB

      • memory/3524-8-0x00007FF9B7D20000-0x00007FF9B7D21000-memory.dmp
        Filesize

        4KB

      • memory/3524-3-0x0000000000EE0000-0x0000000000EE6000-memory.dmp
        Filesize

        24KB

      • memory/4412-4-0x0000000002350000-0x0000000002D50000-memory.dmp
        Filesize

        10.0MB

      • memory/4412-10-0x0000000000400000-0x0000000000428000-memory.dmp
        Filesize

        160KB

      • memory/4412-11-0x0000000002350000-0x0000000002D50000-memory.dmp
        Filesize

        10.0MB

      • memory/4412-0-0x0000000000400000-0x0000000000428000-memory.dmp
        Filesize

        160KB

      • memory/4412-1-0x00000000005D0000-0x00000000005D1000-memory.dmp
        Filesize

        4KB