Analysis

  • max time kernel
    141s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/06/2024, 00:00

General

  • Target
    a737fd897d8860e0b71776f481c3966e_JaffaCakes118.exe
  • Size 313KB
  • Sample240614-aak2sazglp
  • SHA256 116589114253ea136ec0eef867646ddd5f345c37e76cd90733f8f573ddb83a4d
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 3 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a737fd897d8860e0b71776f481c3966e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a737fd897d8860e0b71776f481c3966e_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Maps connected drives based on registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:628
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\_tin7053.bat"
      2⤵
        PID:4572
    • 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 --no-appcompat-clear --mojo-platform-channel-handle=3756 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:4864

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            1.ini

            • Path C:\ProgramData\InstallMate\0F8738D4\cfg\1.ini
            • Size 1KB
            • SHA256 9095ca52db1fba82bc18555701ddbfed33e8910bf05e68ccb12bc646044e872b
            • MD5 SHA1 SHA512

            Tsu1BC9FE7C.dll

            • Path C:\Users\Admin\AppData\Local\Temp\Tsu1BC9FE7C.dll
            • Size 269KB
            • SHA256 cf7e00ba429bc9f27ccfacc49ae367054f40ada6cede9f513cc29a24e88bf49e
            • MD5 SHA1 SHA512 SSDEEP

            _tin7053.bat

            • Path C:\Users\Admin\AppData\Local\Temp\_tin7053.bat
            • Size 50B
            • SHA256 79049598a03d3d6366b62bc176cbf572af7dc807747b45f919da6d6bb5b2bbc3
            • MD5 SHA1 SHA512

            Custom.dll

            • Path C:\Users\Admin\AppData\Local\Temp\{4E94ADB3-BE50-4718-A5F3-F67295778F45}\Custom.dll
            • Size 91KB
            • SHA256 b34ca5ec63459956e72289b6b1d85891377c4ef451b48f42d92ab7d1aad117a9
            • MD5 SHA1 SHA512 SSDEEP

            Readme.txt

            • Path C:\Users\Admin\AppData\Local\Temp\{4E94ADB3-BE50-4718-A5F3-F67295778F45}\Readme.txt
            • Size 2KB
            • SHA256 44e596d17ddd82458ac70f4349fc30a2edfde5a1438de162cba2b4185a06d44c
            • MD5 SHA1 SHA512

            Setup.exe

            • Path C:\Users\Admin\AppData\Local\Temp\{4E94ADB3-BE50-4718-A5F3-F67295778F45}\Setup.exe
            • Size 15KB
            • SHA256 7be720a73ba8b084702c89f64a9b295fad92545d6ba781072cc056823f9a7633
            • MD5 SHA1 SHA512 SSDEEP

            Setup.ico

            • Path C:\Users\Admin\AppData\Local\Temp\{4E94ADB3-BE50-4718-A5F3-F67295778F45}\Setup.ico
            • Size 4KB
            • SHA256 b8ffb4e6dc082c8bf20298e5d6c6642270a6b67c91780f373cf0f0e83d01e8bd
            • MD5 SHA1 SHA512 SSDEEP

            _Setup.dll

            • Path C:\Users\Admin\AppData\Local\Temp\{4E94ADB3-BE50-4718-A5F3-F67295778F45}\_Setup.dll
            • Size 170KB
            • SHA256 09cd996ee6e10242e7fa0052c7599b293f4ea28b235d270a6bc253d03ffff467
            • MD5 SHA1 SHA512 SSDEEP