Analysis

  • max time kernel
    147s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240319-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-04-2024 08:41

General

  • Target

    e4855192334bc3427b7634abcbdc4659_JaffaCakes118.exe

  • Size

    818KB

  • MD5

    e4855192334bc3427b7634abcbdc4659

  • SHA1

    6c47e470fc2ea6844e3bb16700c14c86133d5779

  • SHA256

    17680c1b0efe77b4939fc8103d8c1b3a0245a99ed8c96fcd3903794179d23ee9

  • SHA512

    16ed44c3b4ca11bc896bb839f7a7f293edc42aa2d86b6ed7c12f99eb7ced3816076db1d6930e2da1a38766913bea177d5670ad6894af655b8824915d29d79ae1

  • SSDEEP

    12288:1n4JT4xi7lQBwpdOBbLeKTmrn+xr4onY4VTIAThKdxSqvcgAJ5Zrnvr91yyfFNT2:14SDF1fjePcDLv1S

Malware Config

Extracted

Family

matiex

C2

https://api.telegram.org/bot1395392888:AAFrJovDdZICOFB0gX0eGWrAUzEKCRpv8xo/sendMessage?chat_id=1300181783

Signatures

  • Detect ZGRat V1 1 IoCs
  • Matiex

    Matiex is a keylogger and infostealer first seen in July 2020.

  • Matiex Main payload 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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
  • Looks up external IP address via web service 3 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e4855192334bc3427b7634abcbdc4659_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e4855192334bc3427b7634abcbdc4659_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1908
    • C:\Users\Admin\AppData\Local\Temp\e4855192334bc3427b7634abcbdc4659_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\e4855192334bc3427b7634abcbdc4659_JaffaCakes118.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1644
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1644 -s 2172
        3⤵
        • Program crash
        PID:3776
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1644 -ip 1644
    1⤵
      PID:852
    • 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=4476 --field-trial-handle=2252,i,3429015581403167983,2708022432612919502,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:3272

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\e4855192334bc3427b7634abcbdc4659_JaffaCakes118.exe.log

        Filesize

        706B

        MD5

        9b4d7ccdebef642a9ad493e2c2925952

        SHA1

        c020c622c215e880c8415fa867cb50210b443ef0

        SHA256

        e6f068d76bd941b4118225b130db2c70128e77a45dcdbf5cbab0f8a563b867ff

        SHA512

        8577ecd7597d4b540bc1c6ccc4150eae7443da2e4be1343cc42242714d04dd16e48c3fcaefd95c4a148fe9f14c5b6f3166b752ae20d608676cf6fb48919968e8

      • memory/1644-8-0x0000000000400000-0x0000000000476000-memory.dmp

        Filesize

        472KB

      • memory/1644-15-0x0000000075350000-0x0000000075B00000-memory.dmp

        Filesize

        7.7MB

      • memory/1644-14-0x0000000005510000-0x0000000005520000-memory.dmp

        Filesize

        64KB

      • memory/1644-12-0x0000000075350000-0x0000000075B00000-memory.dmp

        Filesize

        7.7MB

      • memory/1644-13-0x0000000005310000-0x0000000005376000-memory.dmp

        Filesize

        408KB

      • memory/1908-3-0x00000000051C0000-0x0000000005252000-memory.dmp

        Filesize

        584KB

      • memory/1908-7-0x0000000005150000-0x0000000005166000-memory.dmp

        Filesize

        88KB

      • memory/1908-5-0x00000000052A0000-0x0000000005306000-memory.dmp

        Filesize

        408KB

      • memory/1908-6-0x0000000005550000-0x0000000005560000-memory.dmp

        Filesize

        64KB

      • memory/1908-11-0x0000000075350000-0x0000000075B00000-memory.dmp

        Filesize

        7.7MB

      • memory/1908-4-0x0000000005340000-0x00000000053DC000-memory.dmp

        Filesize

        624KB

      • memory/1908-0-0x0000000000750000-0x0000000000824000-memory.dmp

        Filesize

        848KB

      • memory/1908-2-0x0000000005850000-0x0000000005DF4000-memory.dmp

        Filesize

        5.6MB

      • memory/1908-1-0x0000000075350000-0x0000000075B00000-memory.dmp

        Filesize

        7.7MB