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Analysis

  • max time kernel
    128s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/12/2024, 22:37

General

  • Target

    f60e075a8f020065d79e2e9d557ce094_JaffaCakes118.exe

  • Size

    592KB

  • MD5

    f60e075a8f020065d79e2e9d557ce094

  • SHA1

    5555e398d7ab49c1ded0218d4a393b5e7e9688bd

  • SHA256

    8b68c87a706a67e7ba8bb38b4e8a6454664d20de2ff7c9b00baab93a9341abaa

  • SHA512

    1d9537e090c78fd02736ad7d88764494c65136d7b6345cec7809f2d379fd7aa33c64eabe2ff773515f6c9accc14cbb75fa2876005c83bbc6d2060f61963b9be7

  • SSDEEP

    12288:1jYTQmaa4H5xGoevNYAsAhAPfL9NlehdJdOOFnwSY2eh9gB0vL:1jNamCoSNYAsOAPfHlehdJdOOFn7uhuE

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.prinutrition.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    forrest

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Agenttesla family
  • AgentTesla payload 1 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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 3 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
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 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\f60e075a8f020065d79e2e9d557ce094_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f60e075a8f020065d79e2e9d557ce094_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3116
    • C:\Users\Admin\AppData\Local\Temp\f60e075a8f020065d79e2e9d557ce094_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\f60e075a8f020065d79e2e9d557ce094_JaffaCakes118.exe"
      2⤵
      • Drops file in Drivers directory
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:116

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f60e075a8f020065d79e2e9d557ce094_JaffaCakes118.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/116-19-0x0000000006130000-0x0000000006196000-memory.dmp

    Filesize

    408KB

  • memory/116-16-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/116-25-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/116-24-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/116-23-0x00000000066D0000-0x0000000006720000-memory.dmp

    Filesize

    320KB

  • memory/116-21-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/116-20-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/116-18-0x0000000006080000-0x0000000006098000-memory.dmp

    Filesize

    96KB

  • memory/116-12-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/116-17-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/3116-7-0x0000000006910000-0x000000000691C000-memory.dmp

    Filesize

    48KB

  • memory/3116-9-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/3116-8-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

    Filesize

    4KB

  • memory/3116-15-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/3116-2-0x0000000005620000-0x0000000005BC4000-memory.dmp

    Filesize

    5.6MB

  • memory/3116-10-0x0000000006E30000-0x0000000006EA0000-memory.dmp

    Filesize

    448KB

  • memory/3116-1-0x00000000005E0000-0x000000000067A000-memory.dmp

    Filesize

    616KB

  • memory/3116-0-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

    Filesize

    4KB

  • memory/3116-11-0x0000000006EC0000-0x0000000006EFE000-memory.dmp

    Filesize

    248KB

  • memory/3116-6-0x00000000069B0000-0x0000000006A4C000-memory.dmp

    Filesize

    624KB

  • memory/3116-5-0x00000000029A0000-0x00000000029AA000-memory.dmp

    Filesize

    40KB

  • memory/3116-4-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/3116-3-0x0000000004F10000-0x0000000004FA2000-memory.dmp

    Filesize

    584KB