Analysis

  • max time kernel
    145s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-07-2024 18:53

General

  • Target

    545356ebde271a8795908c93ce0f3ee8_JaffaCakes118.exe

  • Size

    104KB

  • MD5

    545356ebde271a8795908c93ce0f3ee8

  • SHA1

    3e3d1461b0e95c5a969440ebc44a819df655b14f

  • SHA256

    005b9f36404541d773281dc58bd9708930c3bdab8acefaaddd57c6ee8c907197

  • SHA512

    e84fb3e06f9a229a5d9d885378032842d2d20f54a4ce9ddd76d8c2251ab8b9a5220d648735a3f167724b05b89fea797e796fe5d48ceb0576290bbf2dfde2b722

  • SSDEEP

    1536:2D/AwPx+riFFG1l/m3wEeQqjh+rmKVsWiVPsrhSBXUc/:2DBYnFE2jwqWsWMfXn

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:2416
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of UnmapMainImage
      PID:3500
      • C:\Users\Admin\AppData\Local\Temp\545356ebde271a8795908c93ce0f3ee8_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\545356ebde271a8795908c93ce0f3ee8_JaffaCakes118.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3148
        • 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:4872
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 352
            4⤵
            • Program crash
            PID:1640
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4872 -ip 4872
      1⤵
        PID:4312

      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/2416-18-0x00007FF80E250000-0x00007FF80E251000-memory.dmp
        Filesize

        4KB

      • memory/2416-15-0x0000000000CF0000-0x0000000000CF6000-memory.dmp
        Filesize

        24KB

      • memory/3148-10-0x0000000000400000-0x000000000041ABB7-memory.dmp
        Filesize

        106KB

      • memory/3148-1-0x0000000000580000-0x0000000000581000-memory.dmp
        Filesize

        4KB

      • memory/3148-4-0x00000000023A0000-0x0000000002DA0000-memory.dmp
        Filesize

        10.0MB

      • memory/3148-11-0x00000000023A0000-0x0000000002DA0000-memory.dmp
        Filesize

        10.0MB

      • memory/3148-0-0x0000000000400000-0x000000000041ABB7-memory.dmp
        Filesize

        106KB

      • memory/3500-7-0x00007FF80E0CD000-0x00007FF80E0CE000-memory.dmp
        Filesize

        4KB

      • memory/3500-9-0x00007FF80E260000-0x00007FF80E261000-memory.dmp
        Filesize

        4KB

      • memory/3500-3-0x0000000000870000-0x0000000000876000-memory.dmp
        Filesize

        24KB

      • memory/3500-2-0x0000000000870000-0x0000000000876000-memory.dmp
        Filesize

        24KB

      • memory/4872-8-0x00007FF80E030000-0x00007FF80E225000-memory.dmp
        Filesize

        2.0MB

      • memory/4872-6-0x0000000077B72000-0x0000000077B73000-memory.dmp
        Filesize

        4KB

      • memory/4872-5-0x0000000002C50000-0x0000000002C56000-memory.dmp
        Filesize

        24KB

      • memory/4872-16-0x0000000002C50000-0x0000000002C56000-memory.dmp
        Filesize

        24KB