Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-04-2024 03:00

General

  • Target

    c8f4bba95b86ba61ec57e8f38461144d_JaffaCakes118.exe

  • Size

    160KB

  • MD5

    c8f4bba95b86ba61ec57e8f38461144d

  • SHA1

    548470225b91a870653e10e740edad46fbb12c91

  • SHA256

    c393f34580537fc37b934bbb2874b099b8fd0737d6c4ec4d119391023b696122

  • SHA512

    32ed3aafc8dcd65e3dc2acd2a5ece39c3c83cb34f4cfa1441c0c21dc94a421ef2dea94b9cff269a58b9086607b63bb2209e378bd23bd584975117a2ed895df61

  • SSDEEP

    1536:xEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:6Y+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 WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2592
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3560
      • C:\Users\Admin\AppData\Local\Temp\c8f4bba95b86ba61ec57e8f38461144d_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\c8f4bba95b86ba61ec57e8f38461144d_JaffaCakes118.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1944
        • 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:3532
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3532 -s 352
            4⤵
            • Program crash
            PID:2068
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3532 -ip 3532
      1⤵
        PID:4644

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1944-0-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/1944-1-0x0000000002170000-0x0000000002171000-memory.dmp

        Filesize

        4KB

      • memory/1944-4-0x00000000021B0000-0x0000000002BB0000-memory.dmp

        Filesize

        10.0MB

      • memory/1944-8-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/1944-9-0x00000000021B0000-0x0000000002BB0000-memory.dmp

        Filesize

        10.0MB

      • memory/2592-13-0x00000000002B0000-0x00000000002B6000-memory.dmp

        Filesize

        24KB

      • memory/3532-5-0x0000000077272000-0x0000000077273000-memory.dmp

        Filesize

        4KB

      • memory/3532-7-0x00000000028D0000-0x00000000028D6000-memory.dmp

        Filesize

        24KB

      • memory/3532-14-0x00000000028D0000-0x00000000028D6000-memory.dmp

        Filesize

        24KB

      • memory/3560-2-0x00000000020A0000-0x00000000020A6000-memory.dmp

        Filesize

        24KB

      • memory/3560-3-0x00000000020A0000-0x00000000020A6000-memory.dmp

        Filesize

        24KB

      • memory/3560-6-0x00007FFCCE1CD000-0x00007FFCCE1CE000-memory.dmp

        Filesize

        4KB