Analysis

  • max time kernel
    146s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-08-2024 15:20

General

  • Target

    b3fc5641cdef7154849f100e95869217_JaffaCakes118.exe

  • Size

    49KB

  • MD5

    b3fc5641cdef7154849f100e95869217

  • SHA1

    4e9da6868d7faf9d3dd6cf6b5fe35f8dbf9fe19a

  • SHA256

    395d9806fa677fa0d3cfd149fff01049c0107ad3343dbfcd8b8cb6fe54bc8ed2

  • SHA512

    f6cf06ac0a31cfc41848a93f7b2528ff3b3c3264be9ab9006e71fea1946b4c3915c50d7ebea80b2fc70ac2ddcc1c318b3ec1089e93a30fe02b1b09d83080a1a9

  • SSDEEP

    768:fCCCFlkbwAYbFshpyiB9L9Mx2BWseUCHGAwk5R9Jw:7bw/6plBTFBYNNR9Jw

Malware Config

Signatures

  • Tinba / TinyBanker

    Banking trojan which uses packet sniffing to steal data.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:3036
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of UnmapMainImage
      PID:3476
      • C:\Users\Admin\AppData\Local\Temp\b3fc5641cdef7154849f100e95869217_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\b3fc5641cdef7154849f100e95869217_JaffaCakes118.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4908
        • 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:876
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 876 -s 352
            4⤵
            • Program crash
            PID:2600
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 876 -ip 876
      1⤵
        PID:1060

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/876-6-0x00007FFAF3C10000-0x00007FFAF3E05000-memory.dmp

        Filesize

        2.0MB

      • memory/876-4-0x0000000077792000-0x0000000077793000-memory.dmp

        Filesize

        4KB

      • memory/876-15-0x0000000002780000-0x0000000002786000-memory.dmp

        Filesize

        24KB

      • memory/876-12-0x0000000002780000-0x0000000002786000-memory.dmp

        Filesize

        24KB

      • memory/3036-14-0x00000000006B0000-0x00000000006B6000-memory.dmp

        Filesize

        24KB

      • memory/3036-17-0x00007FFAF3E30000-0x00007FFAF3E31000-memory.dmp

        Filesize

        4KB

      • memory/3036-16-0x00000000006B0000-0x00000000006B6000-memory.dmp

        Filesize

        24KB

      • memory/3476-5-0x00007FFAF3CAD000-0x00007FFAF3CAE000-memory.dmp

        Filesize

        4KB

      • memory/3476-2-0x0000000000400000-0x0000000000406000-memory.dmp

        Filesize

        24KB

      • memory/3476-1-0x0000000000400000-0x0000000000406000-memory.dmp

        Filesize

        24KB

      • memory/3476-7-0x00007FFAF3E40000-0x00007FFAF3E41000-memory.dmp

        Filesize

        4KB

      • memory/3476-10-0x00007FFAF3E20000-0x00007FFAF3E21000-memory.dmp

        Filesize

        4KB

      • memory/4908-3-0x0000000002270000-0x0000000002C70000-memory.dmp

        Filesize

        10.0MB

      • memory/4908-9-0x0000000002270000-0x0000000002C70000-memory.dmp

        Filesize

        10.0MB

      • memory/4908-8-0x0000000000400000-0x0000000000411000-memory.dmp

        Filesize

        68KB

      • memory/4908-0-0x00000000005C0000-0x00000000005C1000-memory.dmp

        Filesize

        4KB