Analysis

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

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    27-04-2024 01:37

General

  • Target

    cd3e530bfaf604d4e59e78d8d8761ab63f0d3d57beff38c1f4802993226af6bb.exe

  • Size

    837KB

  • MD5

    f78fac7fbb75ddcc67dd7cb5b6b6ea97

  • SHA1

    a9b9c8f3121cb128882d3e59b7ba2b045ce0792f

  • SHA256

    cd3e530bfaf604d4e59e78d8d8761ab63f0d3d57beff38c1f4802993226af6bb

  • SHA512

    ec39ce438175b8e431f28ec559f707fd631c66f7e9c4160e28639e12930be14163439b2f03b834433cf1cebcad0e87fa93028ce70148103bff09ee664970341c

  • SSDEEP

    12288:9bqnHvjNIrpf9rN/mc/CbTrMSrJjxddkDEb8LjkyUtGWpGwvNqKdzPjzow4bkR:9uPjKr5BNDKvBn0kySRpGwoKFzow7

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 5 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 5 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 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.

  • 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 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cd3e530bfaf604d4e59e78d8d8761ab63f0d3d57beff38c1f4802993226af6bb.exe
    "C:\Users\Admin\AppData\Local\Temp\cd3e530bfaf604d4e59e78d8d8761ab63f0d3d57beff38c1f4802993226af6bb.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1812
    • C:\Users\Admin\AppData\Local\Temp\cd3e530bfaf604d4e59e78d8d8761ab63f0d3d57beff38c1f4802993226af6bb.exe
      "C:\Users\Admin\AppData\Local\Temp\cd3e530bfaf604d4e59e78d8d8761ab63f0d3d57beff38c1f4802993226af6bb.exe"
      2⤵
        PID:312
      • C:\Users\Admin\AppData\Local\Temp\cd3e530bfaf604d4e59e78d8d8761ab63f0d3d57beff38c1f4802993226af6bb.exe
        "C:\Users\Admin\AppData\Local\Temp\cd3e530bfaf604d4e59e78d8d8761ab63f0d3d57beff38c1f4802993226af6bb.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3044

    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/1812-0-0x0000000000FC0000-0x0000000001094000-memory.dmp
      Filesize

      848KB

    • memory/1812-1-0x00000000740C0000-0x00000000747AE000-memory.dmp
      Filesize

      6.9MB

    • memory/1812-2-0x0000000004E60000-0x0000000004EA0000-memory.dmp
      Filesize

      256KB

    • memory/1812-3-0x0000000000420000-0x0000000000440000-memory.dmp
      Filesize

      128KB

    • memory/1812-4-0x00000000004C0000-0x00000000004D4000-memory.dmp
      Filesize

      80KB

    • memory/1812-5-0x0000000005AB0000-0x0000000005B34000-memory.dmp
      Filesize

      528KB

    • memory/1812-19-0x00000000740C0000-0x00000000747AE000-memory.dmp
      Filesize

      6.9MB

    • memory/3044-8-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/3044-7-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/3044-9-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/3044-17-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/3044-15-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/3044-18-0x00000000740C0000-0x00000000747AE000-memory.dmp
      Filesize

      6.9MB

    • memory/3044-6-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/3044-13-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/3044-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
      Filesize

      4KB

    • memory/3044-20-0x0000000000450000-0x0000000000490000-memory.dmp
      Filesize

      256KB

    • memory/3044-21-0x00000000740C0000-0x00000000747AE000-memory.dmp
      Filesize

      6.9MB