Analysis

  • max time kernel
    117s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2023 03:12

General

  • Target

    e7f46dc7145e87eb0674a7b2b7b980a886defb6e8ad7a2caff796a3787a01dff.exe

  • Size

    422KB

  • MD5

    a4b7d954a47d10725218d26512544394

  • SHA1

    4d7a7b92c256927cb93d78896f278e8945ea0665

  • SHA256

    e7f46dc7145e87eb0674a7b2b7b980a886defb6e8ad7a2caff796a3787a01dff

  • SHA512

    ee7554af28b119016d04e1f3e6eae2296c9406e02835f6506bb255c4f606b3cde1ad655217a13d5d51796502047ec590179bb2a45db0433ffce437653a8ae977

  • SSDEEP

    6144:Rxu7VAd87ZC/xmqXAtz9TqawD0vcOCbjcqmBuXUmiedMKhB2j9YDxTgCrC:Rxu7lZ4xmqg9TJtTCbjpmBR3MMluxTg

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Drops startup file 1 IoCs
  • 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.

  • Looks up external IP address via web service 2 IoCs

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

  • 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 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e7f46dc7145e87eb0674a7b2b7b980a886defb6e8ad7a2caff796a3787a01dff.exe
    "C:\Users\Admin\AppData\Local\Temp\e7f46dc7145e87eb0674a7b2b7b980a886defb6e8ad7a2caff796a3787a01dff.exe"
    1⤵
    • Drops startup file
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2080
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ipconfig /release
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2680
      • C:\Windows\SysWOW64\ipconfig.exe
        ipconfig /release
        3⤵
        • Gathers network information
        PID:2884
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ipconfig /renew
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2992
      • C:\Windows\SysWOW64\ipconfig.exe
        ipconfig /renew
        3⤵
        • Gathers network information
        PID:2708

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2080-0-0x0000000000990000-0x0000000000A00000-memory.dmp

    Filesize

    448KB

  • memory/2080-1-0x0000000074B90000-0x000000007527E000-memory.dmp

    Filesize

    6.9MB

  • memory/2080-2-0x0000000001FC0000-0x0000000002000000-memory.dmp

    Filesize

    256KB

  • memory/2080-3-0x00000000004E0000-0x000000000053A000-memory.dmp

    Filesize

    360KB

  • memory/2080-4-0x0000000000820000-0x0000000000860000-memory.dmp

    Filesize

    256KB

  • memory/2080-5-0x00000000008A0000-0x00000000008E0000-memory.dmp

    Filesize

    256KB

  • memory/2080-6-0x00000000043E0000-0x000000000442C000-memory.dmp

    Filesize

    304KB

  • memory/2080-7-0x0000000074B90000-0x000000007527E000-memory.dmp

    Filesize

    6.9MB

  • memory/2080-8-0x0000000001FC0000-0x0000000002000000-memory.dmp

    Filesize

    256KB

  • memory/2080-11-0x0000000004EF0000-0x0000000004F32000-memory.dmp

    Filesize

    264KB