Analysis

  • max time kernel
    118s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    13/06/2024, 01:18

General

  • Target
    a354f1dec101798d15052fc10008f9f0_JaffaCakes118.exe
  • Size 2.6MB
  • Sample240613-bpec8aselr
  • SHA256 eb25a842053c71527656aaf759dd64d333ea0e66f0e237d716340ec5bdb073ab
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10
upx

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 38 IoCs
  • UPX packed file 1 IoCs

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

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 27 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a354f1dec101798d15052fc10008f9f0_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a354f1dec101798d15052fc10008f9f0_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:2764
    • C:\Users\Admin\AppData\Local\Temp\78E24BC5-A4FD-3D42-9C7B-6C45CB27B857\RtHelp.exe
      "C:\Users\Admin\AppData\Local\Temp\78E24BC5-A4FD-3D42-9C7B-6C45CB27B857\RtHelp.exe" --GoAn --Supp 577 --Mode CheckInstall --Cid 5C78302E-B2AD-F74D-A0E2-6972D837426F
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:3020
    • C:\Users\Admin\AppData\Local\Temp\78E24BC5-A4FD-3D42-9C7B-6C45CB27B857\RtHelp.exe
      "C:\Users\Admin\AppData\Local\Temp\78E24BC5-A4FD-3D42-9C7B-6C45CB27B857\RtHelp.exe" --InstSupp --Supp 577 --Ver 155
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies system certificate store
      PID:2712
    • C:\Users\Admin\AppData\Local\Temp\78E24BC5-A4FD-3D42-9C7B-6C45CB27B857\RtHelp.exe
      "C:\Users\Admin\AppData\Local\Temp\78E24BC5-A4FD-3D42-9C7B-6C45CB27B857\RtHelp.exe" --PreCheck 577 --Uid F70EB7DE448E4945BB6F967C9E47937D --Ver 155
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Maps connected drives based on registry
      PID:2788
    • C:\Users\Admin\AppData\Local\Temp\78E24BC5-A4FD-3D42-9C7B-6C45CB27B857\RtHelp.exe
      "C:\Users\Admin\AppData\Local\Temp\78E24BC5-A4FD-3D42-9C7B-6C45CB27B857\RtHelp.exe" --GoAn --Supp 577 --Mode StartInstall --Cid 1A48AE48-1D97-654B-9A7B-45CC621679CA
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1124

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        103621DE9CD5414CC2538780B4B75751

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\103621DE9CD5414CC2538780B4B75751
        • Size 717B
        • SHA256 af2343382b88335eea72251ad84949e244ff54b6995063e24459a7216e9576b9
        • MD5 SHA1 SHA512

        9821DD67A94463DFB9F3F00C073D3012

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\9821DD67A94463DFB9F3F00C073D3012
        • Size 503B
        • SHA256 a21178800df6101a562dd52aa36732e0379fe065d1b12ee914005fa6d2a51652
        • MD5 SHA1 SHA512

        103621DE9CD5414CC2538780B4B75751

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751
        • Size 192B
        • SHA256 a5728de1613a7080b3fd152b67b23c5664ff425fcdacd512209e00463d59251b
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 342B
        • SHA256 f2a92a5590ceb569227f22d9d8a2a3a9d2e49978eb7506d587aab3ad8d3e5f40
        • MD5 SHA1 SHA512

        9821DD67A94463DFB9F3F00C073D3012

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\9821DD67A94463DFB9F3F00C073D3012
        • Size 548B
        • SHA256 66ce9f082e5262dbc66aa6635f646f1790a272e60768233e92409fc7eb1e9abc
        • MD5 SHA1 SHA512

        MSVCP110.dll

        • Path C:\Users\Admin\AppData\Local\Temp\78E24BC5-A4FD-3D42-9C7B-6C45CB27B857\MSVCP110.dll
        • Size 522KB
        • SHA256 c8d5572ca8d7624871188f0acabc3ae60d4c5a4f6782d952b9038de3bc28b39a
        • MD5 SHA1 SHA512 SSDEEP

        MSVCR110.dll

        • Path C:\Users\Admin\AppData\Local\Temp\78E24BC5-A4FD-3D42-9C7B-6C45CB27B857\MSVCR110.dll
        • Size 854KB
        • SHA256 b30160e759115e24425b9bcdf606ef6ebce4657487525ede7f1ac40b90ff7e49
        • MD5 SHA1 SHA512 SSDEEP

        CmlProc.dll

        • Path C:\Users\Admin\AppData\Local\Temp\78E24BC5-A4FD-3D42-9C7B-6C45CB27B857\Modules\CmlProc.dll
        • Size 84KB
        • SHA256 6f461ce8c1e47844ed11ec53e08d760fa9340a32b04af207a3976cc7f9dd6cef
        • MD5 SHA1 SHA512 SSDEEP

        InSes.dll

        • Path C:\Users\Admin\AppData\Local\Temp\78E24BC5-A4FD-3D42-9C7B-6C45CB27B857\Modules\InSes.dll
        • Size 37KB
        • SHA256 6837d7c7050bc16a35824de09c345b70365a5e7f3dff61ef496ddc03d889b39e
        • MD5 SHA1 SHA512 SSDEEP

        ManXec.dll

        • Path C:\Users\Admin\AppData\Local\Temp\78E24BC5-A4FD-3D42-9C7B-6C45CB27B857\Modules\ManXec.dll
        • Size 97KB
        • SHA256 3a6886badafbf4dad3da593097117e252475f3296c85071c53da51ccb7009a38
        • MD5 SHA1 SHA512 SSDEEP

        Cab7BD4.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\Cab7BD4.tmp
        • Size 70KB
        • SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
        • MD5 SHA1 SHA512 SSDEEP

        RtHelp.exe

        • Path \Users\Admin\AppData\Local\Temp\78E24BC5-A4FD-3D42-9C7B-6C45CB27B857\RtHelp.exe
        • Size 387KB
        • SHA256 2149940c37938dd317c2b09d2a16d00535c493a8a8cfbe82d4b0c5ee1637759e
        • MD5 SHA1 SHA512 SSDEEP

        System.dll

        • Path \Users\Admin\AppData\Local\Temp\nso64BD.tmp\System.dll
        • Size 11KB
        • SHA256 4ff9b2678d698677c5d9732678f9cf53f17290e09d053691aac4cc6e6f595cbe
        • MD5 SHA1 SHA512 SSDEEP

        md5dll.dll

        • Path \Users\Admin\AppData\Local\Temp\nso64BD.tmp\md5dll.dll
        • Size 6KB
        • SHA256 32c3d36f38e7e8a8bafd4a53663203ef24a10431bda16af9e353c7d5d108610f
        • MD5 SHA1 SHA512 SSDEEP

        nsDialogs.dll

        • Path \Users\Admin\AppData\Local\Temp\nso64BD.tmp\nsDialogs.dll
        • Size 9KB
        • SHA256 be60a00f32924ccbe03f9914e33b8e1ad8c8a1ca442263a69896efba74925b36
        • MD5 SHA1 SHA512 SSDEEP

        memory/2764-102-0x0000000000570000-0x000000000057A000-memory.dmp

        memory/2764-101-0x0000000000570000-0x000000000057A000-memory.dmp

        memory/2764-100-0x0000000000570000-0x000000000057A000-memory.dmp

        memory/2764-142-0x0000000000570000-0x000000000057A000-memory.dmp