Analysis

  • max time kernel
    132s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 22:58

General

  • Target

    6c8b4064ab664708e7723cb1aad27294_JaffaCakes118.exe

  • Size

    395KB

  • MD5

    6c8b4064ab664708e7723cb1aad27294

  • SHA1

    2d525542f95fdc8a4a93793f5780101ae65ce5fa

  • SHA256

    ee279c6b7a4debbd93a6aea65ad694d611fd54865a4af2afe304a284d13fa633

  • SHA512

    57eabf864ebaa9b1265b23077c0b11c1b79a7f27e632ff8c755a153765423119526fc63077452bd452c4b9236668c8ce331b4fd96fb751e215e8e73939cd70a0

  • SSDEEP

    6144:wJZj3XBjlkq27zgxR3pB/PtLwag4j1vkF5vaa2HjUSpu:4zZo7cv5BXdwafkFVaRH

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1160330796:AAF3SAwgW-OTi9M5kDhSZUlENwhKRvFOWe8/sendDocument

Signatures

  • AgentTesla

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

  • AgentTesla payload 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6c8b4064ab664708e7723cb1aad27294_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6c8b4064ab664708e7723cb1aad27294_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2992
    • C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
      "C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
      2⤵
      • Executes dropped EXE
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:484

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\AddInProcess32.exe
    Filesize

    41KB

    MD5

    6a673bfc3b67ae9782cb31af2f234c68

    SHA1

    7544e89566d91e84e3cd437b9a073e5f6b56566e

    SHA256

    978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e

    SHA512

    72c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39

  • \Users\Admin\AppData\Local\Temp\a6a0b8a6-4761-4357-9a31-0eca6ad70093\f.dll
    Filesize

    94KB

    MD5

    14ff402962ad21b78ae0b4c43cd1f194

    SHA1

    f8a510eb26666e875a5bdd1cadad40602763ad72

    SHA256

    fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b

    SHA512

    daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b

  • memory/484-225-0x0000000074190000-0x000000007487E000-memory.dmp
    Filesize

    6.9MB

  • memory/484-224-0x0000000074190000-0x000000007487E000-memory.dmp
    Filesize

    6.9MB

  • memory/484-221-0x0000000074190000-0x000000007487E000-memory.dmp
    Filesize

    6.9MB

  • memory/484-219-0x0000000000080000-0x00000000000BC000-memory.dmp
    Filesize

    240KB

  • memory/484-218-0x0000000074190000-0x000000007487E000-memory.dmp
    Filesize

    6.9MB

  • memory/2992-42-0x00000000006B0000-0x00000000006D5000-memory.dmp
    Filesize

    148KB

  • memory/2992-32-0x00000000006B0000-0x00000000006D5000-memory.dmp
    Filesize

    148KB

  • memory/2992-52-0x00000000006B0000-0x00000000006D5000-memory.dmp
    Filesize

    148KB

  • memory/2992-64-0x00000000006B0000-0x00000000006D5000-memory.dmp
    Filesize

    148KB

  • memory/2992-72-0x00000000006B0000-0x00000000006D5000-memory.dmp
    Filesize

    148KB

  • memory/2992-70-0x00000000006B0000-0x00000000006D5000-memory.dmp
    Filesize

    148KB

  • memory/2992-68-0x00000000006B0000-0x00000000006D5000-memory.dmp
    Filesize

    148KB

  • memory/2992-66-0x00000000006B0000-0x00000000006D5000-memory.dmp
    Filesize

    148KB

  • memory/2992-62-0x00000000006B0000-0x00000000006D5000-memory.dmp
    Filesize

    148KB

  • memory/2992-60-0x00000000006B0000-0x00000000006D5000-memory.dmp
    Filesize

    148KB

  • memory/2992-58-0x00000000006B0000-0x00000000006D5000-memory.dmp
    Filesize

    148KB

  • memory/2992-56-0x00000000006B0000-0x00000000006D5000-memory.dmp
    Filesize

    148KB

  • memory/2992-54-0x00000000006B0000-0x00000000006D5000-memory.dmp
    Filesize

    148KB

  • memory/2992-50-0x00000000006B0000-0x00000000006D5000-memory.dmp
    Filesize

    148KB

  • memory/2992-48-0x00000000006B0000-0x00000000006D5000-memory.dmp
    Filesize

    148KB

  • memory/2992-46-0x00000000006B0000-0x00000000006D5000-memory.dmp
    Filesize

    148KB

  • memory/2992-44-0x00000000006B0000-0x00000000006D5000-memory.dmp
    Filesize

    148KB

  • memory/2992-0-0x000000007419E000-0x000000007419F000-memory.dmp
    Filesize

    4KB

  • memory/2992-40-0x00000000006B0000-0x00000000006D5000-memory.dmp
    Filesize

    148KB

  • memory/2992-38-0x00000000006B0000-0x00000000006D5000-memory.dmp
    Filesize

    148KB

  • memory/2992-36-0x00000000006B0000-0x00000000006D5000-memory.dmp
    Filesize

    148KB

  • memory/2992-34-0x00000000006B0000-0x00000000006D5000-memory.dmp
    Filesize

    148KB

  • memory/2992-30-0x00000000006B0000-0x00000000006D5000-memory.dmp
    Filesize

    148KB

  • memory/2992-28-0x00000000006B0000-0x00000000006D5000-memory.dmp
    Filesize

    148KB

  • memory/2992-24-0x00000000006B0000-0x00000000006D5000-memory.dmp
    Filesize

    148KB

  • memory/2992-22-0x00000000006B0000-0x00000000006D5000-memory.dmp
    Filesize

    148KB

  • memory/2992-20-0x00000000006B0000-0x00000000006D5000-memory.dmp
    Filesize

    148KB

  • memory/2992-18-0x00000000006B0000-0x00000000006D5000-memory.dmp
    Filesize

    148KB

  • memory/2992-14-0x00000000006B0000-0x00000000006D5000-memory.dmp
    Filesize

    148KB

  • memory/2992-12-0x00000000006B0000-0x00000000006D5000-memory.dmp
    Filesize

    148KB

  • memory/2992-11-0x00000000006B0000-0x00000000006D5000-memory.dmp
    Filesize

    148KB

  • memory/2992-191-0x000000007419E000-0x000000007419F000-memory.dmp
    Filesize

    4KB

  • memory/2992-192-0x0000000074190000-0x000000007487E000-memory.dmp
    Filesize

    6.9MB

  • memory/2992-194-0x0000000074190000-0x000000007487E000-memory.dmp
    Filesize

    6.9MB

  • memory/2992-195-0x0000000000700000-0x000000000070C000-memory.dmp
    Filesize

    48KB

  • memory/2992-26-0x00000000006B0000-0x00000000006D5000-memory.dmp
    Filesize

    148KB

  • memory/2992-16-0x00000000006B0000-0x00000000006D5000-memory.dmp
    Filesize

    148KB

  • memory/2992-10-0x000000006EF40000-0x000000006EFC0000-memory.dmp
    Filesize

    512KB

  • memory/2992-220-0x0000000074190000-0x000000007487E000-memory.dmp
    Filesize

    6.9MB

  • memory/2992-2-0x00000000006B0000-0x00000000006DC000-memory.dmp
    Filesize

    176KB

  • memory/2992-3-0x0000000074190000-0x000000007487E000-memory.dmp
    Filesize

    6.9MB

  • memory/2992-1-0x00000000002E0000-0x000000000034A000-memory.dmp
    Filesize

    424KB