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Analysis

  • max time kernel
    142s
  • max time network
    99s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/01/2025, 03:59

General

  • Target

    JaffaCakes118_8a0e1db4ac2c0a519dce86a7ab27fca5.exe

  • Size

    89KB

  • MD5

    8a0e1db4ac2c0a519dce86a7ab27fca5

  • SHA1

    c8f4c0e855b2a4926deb0b5f3306039e7b1d4148

  • SHA256

    b5ac78837b825c7555b4e63cc52dc3dfb33c342d9141413f413f203b34dc7df8

  • SHA512

    f702d49355fac07502b9e29478917705aa374413b53998bd286a2622a3c7ff2942a959bf1479bb7ec0bf82561d2e99e7ac1512b84f9d616a66975c2bd4af2e33

  • SSDEEP

    1536:pr+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:t+4MJIkLZJNAQ9Jo9e

Malware Config

Signatures

  • Tinba / TinyBanker

    Banking trojan which uses packet sniffing to steal data.

  • Tinba family
  • Adds Run key to start application 2 TTPs 1 IoCs
  • UPX packed file 1 IoCs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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:2652
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3520
      • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8a0e1db4ac2c0a519dce86a7ab27fca5.exe
        "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8a0e1db4ac2c0a519dce86a7ab27fca5.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3320
        • C:\Windows\SysWOW64\winver.exe
          winver
          3⤵
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:4552
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4552 -s 356
            4⤵
            • Program crash
            PID:4212
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4552 -ip 4552
      1⤵
        PID:4876

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2652-13-0x0000000000F20000-0x0000000000F26000-memory.dmp

        Filesize

        24KB

      • memory/3320-9-0x0000000002210000-0x0000000002C10000-memory.dmp

        Filesize

        10.0MB

      • memory/3320-4-0x0000000002210000-0x0000000002C10000-memory.dmp

        Filesize

        10.0MB

      • memory/3320-8-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/3320-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/3320-1-0x00000000009C0000-0x00000000009C1000-memory.dmp

        Filesize

        4KB

      • memory/3520-2-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

        Filesize

        24KB

      • memory/3520-3-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

        Filesize

        24KB

      • memory/3520-6-0x00007FFF0EE0D000-0x00007FFF0EE0E000-memory.dmp

        Filesize

        4KB

      • memory/4552-5-0x0000000076F02000-0x0000000076F03000-memory.dmp

        Filesize

        4KB

      • memory/4552-7-0x00007FFF0ED70000-0x00007FFF0EF65000-memory.dmp

        Filesize

        2.0MB

      • memory/4552-11-0x0000000002CC0000-0x0000000002CC6000-memory.dmp

        Filesize

        24KB

      • memory/4552-14-0x0000000002CC0000-0x0000000002CC6000-memory.dmp

        Filesize

        24KB