Analysis

  • max time kernel
    140s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-06-2024 10:12

General

  • Target

    916740096f7fb73f2e2b8ee87deaf675_JaffaCakes118.exe

  • Size

    593KB

  • MD5

    916740096f7fb73f2e2b8ee87deaf675

  • SHA1

    90bf01fafbd4353f295ba7987436a1950a138152

  • SHA256

    557f4c234d26b35a5b4a65357b1b05b84e3ece6c59fcb265083b1545343bc854

  • SHA512

    133d638202f19737700ab8d7aecb50d54ff3b0fe92def121c5125b43d2c01a2bf6c70172b0bb68341d97b1fa904378c5dff5115325a6aae6f46f552ff2cf16c5

  • SSDEEP

    12288:dAAkeAPcDL+36QCKyR/ZLJLUf9snBS4csPYae6qfzsTC4:dBZhhUF54clNf7sTl

Malware Config

Signatures

  • Echelon

    Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

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

  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\916740096f7fb73f2e2b8ee87deaf675_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\916740096f7fb73f2e2b8ee87deaf675_JaffaCakes118.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:4844
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpC7A0.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4412
      • C:\Windows\system32\timeout.exe
        timeout 4
        3⤵
        • Delays execution with timeout.exe
        PID:1168
  • 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=1424 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4656

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpC7A0.tmp.bat

      Filesize

      92B

      MD5

      beacc3908f75898916a0887c5d75b0bd

      SHA1

      3232519efc4040de64eb5957d217b69178b6039c

      SHA256

      10258656dd6aa5a543458be044efe742c6f6511d3fa7f8310cd0ed47e0ea2d91

      SHA512

      e8bb04dd1b888839bf56848a02da322b335fb50c2df0712e9b1e816a0b469bdf9c379d9dfc0ceced345ddf8cf53774a488834b4800d78c0b9a16a0fa1611f942

    • memory/4844-0-0x00007FFAE3683000-0x00007FFAE3685000-memory.dmp

      Filesize

      8KB

    • memory/4844-1-0x000001CFB4AD0000-0x000001CFB4B6A000-memory.dmp

      Filesize

      616KB

    • memory/4844-2-0x00007FFAE3680000-0x00007FFAE4141000-memory.dmp

      Filesize

      10.8MB

    • memory/4844-3-0x000001CFCF270000-0x000001CFCF2E6000-memory.dmp

      Filesize

      472KB

    • memory/4844-4-0x00007FFAE3683000-0x00007FFAE3685000-memory.dmp

      Filesize

      8KB

    • memory/4844-6-0x00007FFAE3680000-0x00007FFAE4141000-memory.dmp

      Filesize

      10.8MB

    • memory/4844-65-0x00007FFAE3680000-0x00007FFAE4141000-memory.dmp

      Filesize

      10.8MB