Analysis

  • max time kernel
    146s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-07-2024 19:13

General

  • Target

    2d816510c04e5fe03f86b2b3f6ef44aa_JaffaCakes118.exe

  • Size

    160KB

  • MD5

    2d816510c04e5fe03f86b2b3f6ef44aa

  • SHA1

    06df091597fc12b86d03340c75805facc95cd678

  • SHA256

    9f40c605ceecc8f1f2a86c2afc42e9c5293b2be56a58b5b4895bdca4f6d5e465

  • SHA512

    9f800458fe131da8186173f98a7127b3718b054109996b7b3b9d312458953d5575b7d5f6bc651353598bb27476d6795eeba52b81f59cff7ee5269dcf10fbd35d

  • SSDEEP

    1536:OEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:FY+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 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:2624
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of UnmapMainImage
      PID:3584
      • C:\Users\Admin\AppData\Local\Temp\2d816510c04e5fe03f86b2b3f6ef44aa_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\2d816510c04e5fe03f86b2b3f6ef44aa_JaffaCakes118.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4496
        • 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:2688
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2688 -s 352
            4⤵
            • Program crash
            PID:536
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4396,i,18267267250369716772,14567143188126594249,262144 --variations-seed-version --mojo-platform-channel-handle=4636 /prefetch:8
      1⤵
        PID:1192
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2688 -ip 2688
        1⤵
          PID:1400

        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/2624-13-0x0000000000620000-0x0000000000626000-memory.dmp
          Filesize

          24KB

        • memory/2688-11-0x0000000002250000-0x0000000002256000-memory.dmp
          Filesize

          24KB

        • memory/2688-5-0x0000000077642000-0x0000000077643000-memory.dmp
          Filesize

          4KB

        • memory/2688-7-0x00007FFE49610000-0x00007FFE49805000-memory.dmp
          Filesize

          2.0MB

        • memory/2688-14-0x0000000002250000-0x0000000002256000-memory.dmp
          Filesize

          24KB

        • memory/3584-17-0x00007FFE49820000-0x00007FFE49821000-memory.dmp
          Filesize

          4KB

        • memory/3584-3-0x0000000000E80000-0x0000000000E86000-memory.dmp
          Filesize

          24KB

        • memory/3584-2-0x0000000000E80000-0x0000000000E86000-memory.dmp
          Filesize

          24KB

        • memory/3584-6-0x00007FFE496AD000-0x00007FFE496AE000-memory.dmp
          Filesize

          4KB

        • memory/3584-16-0x00007FFE49840000-0x00007FFE49841000-memory.dmp
          Filesize

          4KB

        • memory/4496-4-0x00000000023B0000-0x0000000002DB0000-memory.dmp
          Filesize

          10.0MB

        • memory/4496-9-0x00000000023B0000-0x0000000002DB0000-memory.dmp
          Filesize

          10.0MB

        • memory/4496-8-0x0000000000400000-0x0000000000428000-memory.dmp
          Filesize

          160KB

        • memory/4496-0-0x0000000000400000-0x0000000000428000-memory.dmp
          Filesize

          160KB

        • memory/4496-1-0x0000000000500000-0x0000000000501000-memory.dmp
          Filesize

          4KB