Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    07-03-2024 13:16

General

  • Target

    c1e3420f0a16ce2a0bb44a91cd4c70460833a28e4ccaea6205d020a6b4a4287f.exe

  • Size

    726KB

  • MD5

    031869edeea7feb77af952ea0117f35b

  • SHA1

    e5591137e9e7774b440d6808c06d5580552c7fdc

  • SHA256

    c1e3420f0a16ce2a0bb44a91cd4c70460833a28e4ccaea6205d020a6b4a4287f

  • SHA512

    989d42981cb0080ebb269a9ca4a3229336b0340b9d8ff6b8ccff3ebe20786aff17e03e79d4008bf1e3d3ff7bfa084ae9d60c480ecf6f6de55324b188c85a5144

  • SSDEEP

    12288:vkAzjWfB/rX5NPZTZp6H/XC28nnFqH6Wsgdaccy5SaG9F10:v/OJ/rLZl4/C28FosXTyIK

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect ZGRat V1 35 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • 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.

  • Adds Run key to start application 2 TTPs 2 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c1e3420f0a16ce2a0bb44a91cd4c70460833a28e4ccaea6205d020a6b4a4287f.exe
    "C:\Users\Admin\AppData\Local\Temp\c1e3420f0a16ce2a0bb44a91cd4c70460833a28e4ccaea6205d020a6b4a4287f.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2220
    • C:\Users\Admin\AppData\Local\Temp\c1e3420f0a16ce2a0bb44a91cd4c70460833a28e4ccaea6205d020a6b4a4287f.exe
      C:\Users\Admin\AppData\Local\Temp\c1e3420f0a16ce2a0bb44a91cd4c70460833a28e4ccaea6205d020a6b4a4287f.exe
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1328

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1328-953-0x0000000073970000-0x000000007405E000-memory.dmp

    Filesize

    6.9MB

  • memory/1328-956-0x0000000073970000-0x000000007405E000-memory.dmp

    Filesize

    6.9MB

  • memory/1328-954-0x00000000049B0000-0x00000000049F0000-memory.dmp

    Filesize

    256KB

  • memory/1328-952-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2220-40-0x00000000021D0000-0x0000000002275000-memory.dmp

    Filesize

    660KB

  • memory/2220-16-0x00000000021D0000-0x0000000002275000-memory.dmp

    Filesize

    660KB

  • memory/2220-8-0x00000000021D0000-0x0000000002275000-memory.dmp

    Filesize

    660KB

  • memory/2220-44-0x00000000021D0000-0x0000000002275000-memory.dmp

    Filesize

    660KB

  • memory/2220-10-0x00000000021D0000-0x0000000002275000-memory.dmp

    Filesize

    660KB

  • memory/2220-46-0x00000000021D0000-0x0000000002275000-memory.dmp

    Filesize

    660KB

  • memory/2220-18-0x00000000021D0000-0x0000000002275000-memory.dmp

    Filesize

    660KB

  • memory/2220-48-0x00000000021D0000-0x0000000002275000-memory.dmp

    Filesize

    660KB

  • memory/2220-20-0x00000000021D0000-0x0000000002275000-memory.dmp

    Filesize

    660KB

  • memory/2220-22-0x00000000021D0000-0x0000000002275000-memory.dmp

    Filesize

    660KB

  • memory/2220-24-0x00000000021D0000-0x0000000002275000-memory.dmp

    Filesize

    660KB

  • memory/2220-26-0x00000000021D0000-0x0000000002275000-memory.dmp

    Filesize

    660KB

  • memory/2220-28-0x00000000021D0000-0x0000000002275000-memory.dmp

    Filesize

    660KB

  • memory/2220-30-0x00000000021D0000-0x0000000002275000-memory.dmp

    Filesize

    660KB

  • memory/2220-32-0x00000000021D0000-0x0000000002275000-memory.dmp

    Filesize

    660KB

  • memory/2220-34-0x00000000021D0000-0x0000000002275000-memory.dmp

    Filesize

    660KB

  • memory/2220-36-0x00000000021D0000-0x0000000002275000-memory.dmp

    Filesize

    660KB

  • memory/2220-38-0x00000000021D0000-0x0000000002275000-memory.dmp

    Filesize

    660KB

  • memory/2220-0-0x0000000000C90000-0x0000000000D4C000-memory.dmp

    Filesize

    752KB

  • memory/2220-42-0x00000000021D0000-0x0000000002275000-memory.dmp

    Filesize

    660KB

  • memory/2220-12-0x00000000021D0000-0x0000000002275000-memory.dmp

    Filesize

    660KB

  • memory/2220-6-0x00000000021D0000-0x0000000002275000-memory.dmp

    Filesize

    660KB

  • memory/2220-14-0x00000000021D0000-0x0000000002275000-memory.dmp

    Filesize

    660KB

  • memory/2220-50-0x00000000021D0000-0x0000000002275000-memory.dmp

    Filesize

    660KB

  • memory/2220-52-0x00000000021D0000-0x0000000002275000-memory.dmp

    Filesize

    660KB

  • memory/2220-54-0x00000000021D0000-0x0000000002275000-memory.dmp

    Filesize

    660KB

  • memory/2220-56-0x00000000021D0000-0x0000000002275000-memory.dmp

    Filesize

    660KB

  • memory/2220-58-0x00000000021D0000-0x0000000002275000-memory.dmp

    Filesize

    660KB

  • memory/2220-60-0x00000000021D0000-0x0000000002275000-memory.dmp

    Filesize

    660KB

  • memory/2220-62-0x00000000021D0000-0x0000000002275000-memory.dmp

    Filesize

    660KB

  • memory/2220-64-0x00000000021D0000-0x0000000002275000-memory.dmp

    Filesize

    660KB

  • memory/2220-66-0x00000000021D0000-0x0000000002275000-memory.dmp

    Filesize

    660KB

  • memory/2220-935-0x0000000000630000-0x0000000000670000-memory.dmp

    Filesize

    256KB

  • memory/2220-936-0x0000000000470000-0x0000000000471000-memory.dmp

    Filesize

    4KB

  • memory/2220-937-0x00000000005E0000-0x0000000000622000-memory.dmp

    Filesize

    264KB

  • memory/2220-938-0x0000000002280000-0x00000000022CC000-memory.dmp

    Filesize

    304KB

  • memory/2220-948-0x0000000074060000-0x000000007474E000-memory.dmp

    Filesize

    6.9MB

  • memory/2220-4-0x00000000021D0000-0x0000000002275000-memory.dmp

    Filesize

    660KB

  • memory/2220-3-0x00000000021D0000-0x0000000002275000-memory.dmp

    Filesize

    660KB

  • memory/2220-2-0x00000000021D0000-0x000000000227C000-memory.dmp

    Filesize

    688KB

  • memory/2220-1-0x0000000074060000-0x000000007474E000-memory.dmp

    Filesize

    6.9MB