Analysis

  • max time kernel
    135s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    19-04-2024 01:02

General

  • Target

    f927f2ce41569d1d2c5a576d93374ace_JaffaCakes118.exe

  • Size

    863KB

  • MD5

    f927f2ce41569d1d2c5a576d93374ace

  • SHA1

    1493b82cd46be1ef2fb45bc12c432d0bcf175a90

  • SHA256

    1e3432a2d3072ee5958b26e15d97ca1f6734c3522e701682b237544f5eb66645

  • SHA512

    38683269641058931c9f33aa3ea817ecbd1ce66afb353f4e85be3ef19af494016ec81cbbf63d269737a07a9f6a0f2feda5044183bf0f53d576740b9fce88dcff

  • SSDEEP

    12288:w1cfM/nlPljFQnV40j1yxdTw+MSOVtki1Nv0IeGN+grplH6eUNFje1jwt2NjFoO4:w1Fnl9jFQGdwlOeNv0IIgrXccjwMNjR

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.ifyportal.msratnigbureau.com/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    Ci=q&_lH#LWf

Signatures

  • AgentTesla

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

  • AgentTesla payload 5 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f927f2ce41569d1d2c5a576d93374ace_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f927f2ce41569d1d2c5a576d93374ace_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1284
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\f927f2ce41569d1d2c5a576d93374ace_JaffaCakes118.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2420
    • C:\Users\Admin\AppData\Local\Temp\f927f2ce41569d1d2c5a576d93374ace_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\f927f2ce41569d1d2c5a576d93374ace_JaffaCakes118.exe"
      2⤵
        PID:2456
      • C:\Users\Admin\AppData\Local\Temp\f927f2ce41569d1d2c5a576d93374ace_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\f927f2ce41569d1d2c5a576d93374ace_JaffaCakes118.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: RenamesItself
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:2496

    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

    Discovery

    System Information Discovery

    1
    T1082

    Collection

    Data from Local System

    4
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1284-6-0x00000000056E0000-0x0000000005782000-memory.dmp
      Filesize

      648KB

    • memory/1284-23-0x0000000073DE0000-0x00000000744CE000-memory.dmp
      Filesize

      6.9MB

    • memory/1284-2-0x0000000000540000-0x0000000000580000-memory.dmp
      Filesize

      256KB

    • memory/1284-3-0x0000000000310000-0x000000000032A000-memory.dmp
      Filesize

      104KB

    • memory/1284-4-0x0000000073DE0000-0x00000000744CE000-memory.dmp
      Filesize

      6.9MB

    • memory/1284-5-0x0000000000540000-0x0000000000580000-memory.dmp
      Filesize

      256KB

    • memory/1284-1-0x0000000073DE0000-0x00000000744CE000-memory.dmp
      Filesize

      6.9MB

    • memory/1284-7-0x00000000006F0000-0x000000000072C000-memory.dmp
      Filesize

      240KB

    • memory/1284-0-0x0000000000DB0000-0x0000000000E8E000-memory.dmp
      Filesize

      888KB

    • memory/2420-30-0x0000000002390000-0x00000000023D0000-memory.dmp
      Filesize

      256KB

    • memory/2420-32-0x0000000072420000-0x00000000729CB000-memory.dmp
      Filesize

      5.7MB

    • memory/2420-29-0x0000000072420000-0x00000000729CB000-memory.dmp
      Filesize

      5.7MB

    • memory/2420-31-0x0000000002390000-0x00000000023D0000-memory.dmp
      Filesize

      256KB

    • memory/2420-28-0x0000000072420000-0x00000000729CB000-memory.dmp
      Filesize

      5.7MB

    • memory/2496-14-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/2496-22-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/2496-20-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/2496-24-0x0000000073DE0000-0x00000000744CE000-memory.dmp
      Filesize

      6.9MB

    • memory/2496-27-0x0000000000A70000-0x0000000000AB0000-memory.dmp
      Filesize

      256KB

    • memory/2496-18-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/2496-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
      Filesize

      4KB

    • memory/2496-12-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/2496-10-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/2496-8-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/2496-33-0x0000000073DE0000-0x00000000744CE000-memory.dmp
      Filesize

      6.9MB

    • memory/2496-34-0x0000000000A70000-0x0000000000AB0000-memory.dmp
      Filesize

      256KB

    • memory/2496-36-0x0000000000A70000-0x0000000000AB0000-memory.dmp
      Filesize

      256KB