Analysis

  • max time kernel
    120s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    30-04-2024 15:37

General

  • Target

    0a151230d2b5766a3dc778c2dd4c0895_JaffaCakes118.exe

  • Size

    561KB

  • MD5

    0a151230d2b5766a3dc778c2dd4c0895

  • SHA1

    490dfddccfe1b8ec30e571949c02b8a05ebb44c8

  • SHA256

    30fdec40461cec47e87e53025ee73ae26a4f128c8bb2f81e3915b010a8a1b6f4

  • SHA512

    f64a5506ff214fb5b8cb26288d3ab0484980c5df7e21ee9c96519d2bfd15c36b99f8b41ef59607e119122e002d1b3b0763a05a79f87bffac9953553176485497

  • SSDEEP

    6144:/sGf4nL24vAlcciSVz6QGKuAzxEzDla7PN8tW1qzfIO3wz0Co3sLuwhOA:/sXL24dcb2941X7F8tTW

Malware Config

Signatures

  • AgentTesla

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

  • Detect ZGRat V1 2 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Obfuscated with Agile.Net obfuscator 2 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • 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 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0a151230d2b5766a3dc778c2dd4c0895_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0a151230d2b5766a3dc778c2dd4c0895_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2372
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • 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:2716

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Collection

Data from Local System

4
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2372-0-0x0000000001140000-0x00000000011D2000-memory.dmp
    Filesize

    584KB

  • memory/2372-1-0x0000000073FB0000-0x000000007469E000-memory.dmp
    Filesize

    6.9MB

  • memory/2372-2-0x0000000000380000-0x00000000003A0000-memory.dmp
    Filesize

    128KB

  • memory/2372-3-0x0000000004CF0000-0x0000000004D30000-memory.dmp
    Filesize

    256KB

  • memory/2372-4-0x0000000073FB0000-0x000000007469E000-memory.dmp
    Filesize

    6.9MB

  • memory/2372-10-0x0000000073FB0000-0x000000007469E000-memory.dmp
    Filesize

    6.9MB

  • memory/2716-5-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/2716-7-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/2716-9-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/2716-12-0x00000000003D0000-0x00000000003DA000-memory.dmp
    Filesize

    40KB