Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2023 02:30

General

  • Target

    92b5688c048ffe742eb8ba8b880cd60477db568a57e60dc1ce7a2dc65b4d9d73.exe

  • Size

    485KB

  • MD5

    6ccbacbec6b83823e89343cc5ae9681a

  • SHA1

    29f2e915e040956f9540abdaf0b8e4df917623b4

  • SHA256

    92b5688c048ffe742eb8ba8b880cd60477db568a57e60dc1ce7a2dc65b4d9d73

  • SHA512

    9ca4bdc4d54edd0bdb3e4951ecd978e77690ec57877d694538dbd9bf38a053d487355ec7aa8c34e5bfc593689ead0d40a4549a11ac1d4af44c0fb5b56480a66c

  • SSDEEP

    12288:WckpUOtJHdogrQCUcMNtYfLvAFiwCHoEbjr:W7asodCUcMkYF6t

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6760916656:AAFTROumNysgqsjoqAvyBqjbR9y3VV4we2Y/

Signatures

  • AgentTesla

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

  • 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.

  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • Gathers network information 2 TTPs 2 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\92b5688c048ffe742eb8ba8b880cd60477db568a57e60dc1ce7a2dc65b4d9d73.exe
    "C:\Users\Admin\AppData\Local\Temp\92b5688c048ffe742eb8ba8b880cd60477db568a57e60dc1ce7a2dc65b4d9d73.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2204
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ipconfig /release
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2972
      • C:\Windows\SysWOW64\ipconfig.exe
        ipconfig /release
        3⤵
        • Gathers network information
        PID:2688
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ipconfig /renew
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2668
      • C:\Windows\SysWOW64\ipconfig.exe
        ipconfig /renew
        3⤵
        • Gathers network information
        PID:2572
    • C:\Users\Admin\AppData\Local\Temp\92b5688c048ffe742eb8ba8b880cd60477db568a57e60dc1ce7a2dc65b4d9d73.exe
      C:\Users\Admin\AppData\Local\Temp\92b5688c048ffe742eb8ba8b880cd60477db568a57e60dc1ce7a2dc65b4d9d73.exe
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2696

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2204-0-0x0000000001180000-0x0000000001200000-memory.dmp

    Filesize

    512KB

  • memory/2204-1-0x0000000074C20000-0x000000007530E000-memory.dmp

    Filesize

    6.9MB

  • memory/2204-2-0x00000000010D0000-0x0000000001110000-memory.dmp

    Filesize

    256KB

  • memory/2204-3-0x0000000000AD0000-0x0000000000B28000-memory.dmp

    Filesize

    352KB

  • memory/2204-4-0x00000000005C0000-0x0000000000600000-memory.dmp

    Filesize

    256KB

  • memory/2204-5-0x0000000000640000-0x0000000000680000-memory.dmp

    Filesize

    256KB

  • memory/2204-6-0x0000000000CA0000-0x0000000000CEC000-memory.dmp

    Filesize

    304KB

  • memory/2204-7-0x0000000074C20000-0x000000007530E000-memory.dmp

    Filesize

    6.9MB

  • memory/2204-8-0x00000000010D0000-0x0000000001110000-memory.dmp

    Filesize

    256KB

  • memory/2204-17-0x0000000074C20000-0x000000007530E000-memory.dmp

    Filesize

    6.9MB

  • memory/2696-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2696-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2696-12-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2696-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2696-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2696-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2696-18-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2696-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2696-21-0x0000000074C20000-0x000000007530E000-memory.dmp

    Filesize

    6.9MB

  • memory/2696-22-0x0000000001140000-0x0000000001180000-memory.dmp

    Filesize

    256KB

  • memory/2696-25-0x0000000074C20000-0x000000007530E000-memory.dmp

    Filesize

    6.9MB

  • memory/2696-26-0x0000000001140000-0x0000000001180000-memory.dmp

    Filesize

    256KB