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Analysis

  • max time kernel
    142s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/07/2024, 18:44

General

  • Target

    1c190d68622881257df63c3994fd6ac9_JaffaCakes118.exe

  • Size

    166KB

  • MD5

    1c190d68622881257df63c3994fd6ac9

  • SHA1

    d2e010e703055e259d8c0fc69073bdd7a40e56ea

  • SHA256

    d6ee879555b422e175e0a6149b3ac542c5784f278da298e9de08ed3f8b85794e

  • SHA512

    c6172693231b440d6782eb12a9ab85951d18c52f7003e9b33e1877af45bde278eafdd275898c898be3616e3a0cbea4f89eebc97f6deb28bdfd1f0978d9cae104

  • SSDEEP

    3072:vzXbecErQwV58yfLBH+Js448R76j5aZIffFynk9LrsGXcoWk7PunmJOL3Oo:vzycErQw4yfLBeJGFaZIFak9LrXXcG7G

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1c190d68622881257df63c3994fd6ac9_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1c190d68622881257df63c3994fd6ac9_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:2104
    • C:\Windows\hg.exe
      "C:\Windows\hg.exe"
      2⤵
      • Executes dropped EXE
      PID:2484
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2484 -s 224
        3⤵
        • Program crash
        PID:2808
  • 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=1312 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3028
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2484 -ip 2484
      1⤵
        PID:4996

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Windows\hg.exe

        Filesize

        146KB

        MD5

        3569bdca1ed02e225511fc2164bd7bf2

        SHA1

        4f38447c6161f773ccad70426d2ce4a5869f3349

        SHA256

        bd0138c1e39aabc1a0c9c894d063006518f7d2d6328850bda7cb44dc2ea40630

        SHA512

        5fc61d3ad9b5eb3a3d1633be83c8f09c0627c5e502de1adf615415518750b2371b9a506c2a24a7c61aeae1b36444ea01800f8009aba8b5f497178be4b7512b64

      • memory/2104-0-0x0000000000400000-0x000000000042B200-memory.dmp

        Filesize

        172KB

      • memory/2104-2-0x0000000000400000-0x000000000042B200-memory.dmp

        Filesize

        172KB

      • memory/2104-16-0x0000000000400000-0x000000000042B200-memory.dmp

        Filesize

        172KB

      • memory/2484-15-0x0000000000400000-0x000000000045A000-memory.dmp

        Filesize

        360KB

      • memory/2484-17-0x0000000000400000-0x000000000045A000-memory.dmp

        Filesize

        360KB