Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    03-05-2024 05:40

General

  • Target

    0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe

  • Size

    526KB

  • MD5

    0fcbaff6f1058bec983c05d703e12fcf

  • SHA1

    a687ad827731392ac25d613fd61538b2622b7f85

  • SHA256

    f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0

  • SHA512

    a5d222e68f45eac88df5a677aaabbcc6e682ac73250fcaa32aaf552102c4ce9310ec101078d0ac879f4e6d441cafb2409e18c9af082ebd11fd1023de330d74d2

  • SSDEEP

    12288:6ej11UGyDJSKkf21VoOKFAZGFtWq/3cbGTbKV:JUh1xkf21VgjW+MCbK

Malware Config

Signatures

  • Detects Echelon Stealer payload 1 IoCs
  • 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
  • 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 4 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 11 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:2864
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2864 -s 1576
      2⤵
        PID:3004

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\HJBX078BFBFF000306D208193A6E26\26078BFBFF000306D208193A6EHJBX\Browsers\Passwords\Passwords_Edge.txt

      Filesize

      52B

      MD5

      fdec4452a98b7d7f3dc83904cd82a724

      SHA1

      2b447ea859993ab549ee1547c72071e59cace07c

      SHA256

      59b16ba683aaf821362d2061fef52b52a909ad63be1192ef3d2374f3e8a4b235

      SHA512

      87a573d8a9a085ffeea49335d213f96cd55385a3afa281d1a4a321043e82cd81a324d1131c764d024966d9dcbcc219d78514b0cdce74f849fe33e0f9ce2df432

    • C:\Users\Admin\AppData\Roaming\HJBX078BFBFF000306D208193A6E26\26078BFBFF000306D208193A6EHJBX\Files\DenyConvertFrom.txt

      Filesize

      347KB

      MD5

      88627f9968822acdc1dab4967efcc1e2

      SHA1

      4a048c50dc0c0c4b7aebc509847f159c78c3307b

      SHA256

      44e8b70e004eb784ef8f0442f16b9872fcc619866aebcdbde621ee466b79f1c1

      SHA512

      47fe9c0de584394371d0cc5415c6a8609ffaa859591b137e699aa77915d09d7b66e6afddd75da28f24461d32e00479aae13151eb9b8c686397d11e02a6c47609

    • memory/2864-0-0x000007FEF5BC3000-0x000007FEF5BC4000-memory.dmp

      Filesize

      4KB

    • memory/2864-1-0x00000000010F0000-0x000000000117A000-memory.dmp

      Filesize

      552KB

    • memory/2864-2-0x000000001AE30000-0x000000001AF40000-memory.dmp

      Filesize

      1.1MB

    • memory/2864-6-0x000007FEF5BC0000-0x000007FEF65AC000-memory.dmp

      Filesize

      9.9MB

    • memory/2864-15-0x000007FEF5BC0000-0x000007FEF65AC000-memory.dmp

      Filesize

      9.9MB

    • memory/2864-38-0x000007FEF5BC0000-0x000007FEF65AC000-memory.dmp

      Filesize

      9.9MB

    • memory/2864-66-0x000007FEF5BC3000-0x000007FEF5BC4000-memory.dmp

      Filesize

      4KB

    • memory/2864-67-0x000007FEF5BC0000-0x000007FEF65AC000-memory.dmp

      Filesize

      9.9MB