Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 13:14

General

  • Target

    hesaphareketi-015232024.SCR.exe

  • Size

    321KB

  • MD5

    14f0b309c14c5f5e75c9a1d95967318b

  • SHA1

    baa09246339d936e19328dcca98c527a8af9cb5c

  • SHA256

    415dc24924ada536128e601b4372a72dd6d6e566e3b49c3c79a5b6dde7b702cf

  • SHA512

    7e8e8b92b9d3f55a105de154fdb1e468fa3e6bc73c21eef2495ba22ee0522e15dca490b1c1210b83ab2ed876f67c34efcde8ca72375a695ba69d9237ecaa5d30

  • SSDEEP

    6144:bJHFcDmiIr2baLQ+axLyAPuBthKaOUn1ajxPiFLUunarm5pL5Yzmwn3Wrgmi:hFKmX29+axg48gjxILLvpVE3tZ

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\hesaphareketi-015232024.SCR.exe
    "C:\Users\Admin\AppData\Local\Temp\hesaphareketi-015232024.SCR.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1796
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:2236
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1964

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    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

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1796-0-0x0000000074C6E000-0x0000000074C6F000-memory.dmp
      Filesize

      4KB

    • memory/1796-1-0x0000000000010000-0x0000000000066000-memory.dmp
      Filesize

      344KB

    • memory/1796-2-0x0000000000A70000-0x0000000000AC0000-memory.dmp
      Filesize

      320KB

    • memory/1796-3-0x00000000003B0000-0x00000000003BA000-memory.dmp
      Filesize

      40KB

    • memory/1796-17-0x0000000074C60000-0x000000007534E000-memory.dmp
      Filesize

      6.9MB

    • memory/1796-13-0x0000000074C60000-0x000000007534E000-memory.dmp
      Filesize

      6.9MB

    • memory/1964-14-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/1964-16-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/1964-11-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/1964-7-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/1964-8-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/1964-6-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/1964-4-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/1964-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
      Filesize

      4KB