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Analysis

  • max time kernel
    91s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/09/2024, 04:42

General

  • Target

    d9a19de128d9a79921b18fc7124be813_JaffaCakes118.exe

  • Size

    1.1MB

  • MD5

    d9a19de128d9a79921b18fc7124be813

  • SHA1

    d7b0a292f8837256543a6559198c0860b706355d

  • SHA256

    66af5aeab3c1eead0183cdddc589d4668ace6c3e91e893b8a285b8432b8690f2

  • SHA512

    7a12a16f831b96144d4363f09c01be83acc36f82d4bcd6b73a2d865219e9322fe76a9eb2a2f722c18587929f5744f9f310b4081518989bac51956d05689562cd

  • SSDEEP

    24576:tWD2m7suwVh2SPmEyibLBmJBjJs6R5nRLAlMcU/vIhG:AD2m7srwkymLkLuGRAldUH

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    a2plcpnl0863.prod.iad2.secureserver.net
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    semester12345

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • CustAttr .NET packer 1 IoCs

    Detects CustAttr .NET packer in memory.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\d9a19de128d9a79921b18fc7124be813_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d9a19de128d9a79921b18fc7124be813_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2316
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CNQmCtfI" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAFB3.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4072
    • C:\Users\Admin\AppData\Local\Temp\d9a19de128d9a79921b18fc7124be813_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\d9a19de128d9a79921b18fc7124be813_JaffaCakes118.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1800
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1800 -s 2436
        3⤵
        • Program crash
        PID:2676
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 1800 -ip 1800
    1⤵
      PID:532

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\d9a19de128d9a79921b18fc7124be813_JaffaCakes118.exe.log

      Filesize

      1KB

      MD5

      17573558c4e714f606f997e5157afaac

      SHA1

      13e16e9415ceef429aaf124139671ebeca09ed23

      SHA256

      c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

      SHA512

      f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

    • C:\Users\Admin\AppData\Local\Temp\tmpAFB3.tmp

      Filesize

      1KB

      MD5

      9d87cbe98283c96eb75163dd8ba4fb33

      SHA1

      cee246977677609b5fb621e17d42238cec662df3

      SHA256

      06236aa4f43fcf9718c7256aab65739415525aa3cffa4bb5f81a6952c7e8e6d0

      SHA512

      4c4c6585c55894fe147c262839034fff3c9e756846a9e4899f794a6da7b73d994f55350a03e3876070274edd8837d198b708648f283785c1a73c078aa52938af

    • memory/1800-25-0x0000000074860000-0x0000000075010000-memory.dmp

      Filesize

      7.7MB

    • memory/1800-24-0x0000000006A90000-0x0000000006C52000-memory.dmp

      Filesize

      1.8MB

    • memory/1800-23-0x0000000006850000-0x00000000068B6000-memory.dmp

      Filesize

      408KB

    • memory/1800-22-0x0000000074860000-0x0000000075010000-memory.dmp

      Filesize

      7.7MB

    • memory/1800-21-0x0000000074860000-0x0000000075010000-memory.dmp

      Filesize

      7.7MB

    • memory/1800-17-0x0000000000400000-0x000000000046A000-memory.dmp

      Filesize

      424KB

    • memory/2316-5-0x0000000004F00000-0x0000000004F0A000-memory.dmp

      Filesize

      40KB

    • memory/2316-9-0x000000007486E000-0x000000007486F000-memory.dmp

      Filesize

      4KB

    • memory/2316-10-0x0000000074860000-0x0000000075010000-memory.dmp

      Filesize

      7.7MB

    • memory/2316-11-0x0000000005F60000-0x0000000006038000-memory.dmp

      Filesize

      864KB

    • memory/2316-8-0x0000000005120000-0x0000000005128000-memory.dmp

      Filesize

      32KB

    • memory/2316-7-0x00000000051A0000-0x00000000051F6000-memory.dmp

      Filesize

      344KB

    • memory/2316-6-0x0000000074860000-0x0000000075010000-memory.dmp

      Filesize

      7.7MB

    • memory/2316-0-0x000000007486E000-0x000000007486F000-memory.dmp

      Filesize

      4KB

    • memory/2316-20-0x0000000074860000-0x0000000075010000-memory.dmp

      Filesize

      7.7MB

    • memory/2316-4-0x0000000004F80000-0x0000000005012000-memory.dmp

      Filesize

      584KB

    • memory/2316-3-0x0000000005490000-0x0000000005A34000-memory.dmp

      Filesize

      5.6MB

    • memory/2316-2-0x0000000004E40000-0x0000000004EDC000-memory.dmp

      Filesize

      624KB

    • memory/2316-1-0x00000000004D0000-0x00000000005F2000-memory.dmp

      Filesize

      1.1MB