Analysis

  • max time kernel
    117s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2023 18:15

General

  • Target

    f4c0c2490f385084d7673926acb7c950c30dfba656a77c85493cfc04889d002aexe.exe

  • Size

    626KB

  • MD5

    a98f880aefb9f770cf0f280b6aabfc63

  • SHA1

    9aa8fbe199f4f7386e418076438f72a958147f0c

  • SHA256

    f4c0c2490f385084d7673926acb7c950c30dfba656a77c85493cfc04889d002a

  • SHA512

    f2fc8169d950b39e1387a44613418196f70fb719e2c8ee055fd5f7cb18e73803dffe548f38a1653e22af8174ddaedf193b46ae30f8f8c84dcc3d1155e8076e8e

  • SSDEEP

    12288:FI45+po2V1kWEOIVim9yY7gRMpMCuaA9NV+wuSyW4hIcKvSwkPAg:FL+pJQnJyY7gepOaA9NV+gyW4hIpKP

Malware Config

Extracted

Family

agenttesla

Credentials

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.

  • 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 WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f4c0c2490f385084d7673926acb7c950c30dfba656a77c85493cfc04889d002aexe.exe
    "C:\Users\Admin\AppData\Local\Temp\f4c0c2490f385084d7673926acb7c950c30dfba656a77c85493cfc04889d002aexe.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2908
    • C:\Users\Admin\AppData\Local\Temp\f4c0c2490f385084d7673926acb7c950c30dfba656a77c85493cfc04889d002aexe.exe
      "C:\Users\Admin\AppData\Local\Temp\f4c0c2490f385084d7673926acb7c950c30dfba656a77c85493cfc04889d002aexe.exe"
      2⤵
        PID:2144
      • C:\Users\Admin\AppData\Local\Temp\f4c0c2490f385084d7673926acb7c950c30dfba656a77c85493cfc04889d002aexe.exe
        "C:\Users\Admin\AppData\Local\Temp\f4c0c2490f385084d7673926acb7c950c30dfba656a77c85493cfc04889d002aexe.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2400

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2400-20-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2400-18-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2400-14-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2400-12-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2400-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2400-27-0x0000000004660000-0x00000000046A0000-memory.dmp

      Filesize

      256KB

    • memory/2400-26-0x0000000074020000-0x000000007470E000-memory.dmp

      Filesize

      6.9MB

    • memory/2400-24-0x0000000074020000-0x000000007470E000-memory.dmp

      Filesize

      6.9MB

    • memory/2400-8-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2400-10-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2400-25-0x0000000004660000-0x00000000046A0000-memory.dmp

      Filesize

      256KB

    • memory/2400-22-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2908-6-0x0000000004860000-0x00000000048A0000-memory.dmp

      Filesize

      256KB

    • memory/2908-3-0x00000000005D0000-0x00000000005E8000-memory.dmp

      Filesize

      96KB

    • memory/2908-4-0x0000000000650000-0x0000000000658000-memory.dmp

      Filesize

      32KB

    • memory/2908-0-0x00000000002F0000-0x0000000000392000-memory.dmp

      Filesize

      648KB

    • memory/2908-2-0x0000000004860000-0x00000000048A0000-memory.dmp

      Filesize

      256KB

    • memory/2908-7-0x0000000005E60000-0x0000000005EDA000-memory.dmp

      Filesize

      488KB

    • memory/2908-23-0x0000000074020000-0x000000007470E000-memory.dmp

      Filesize

      6.9MB

    • memory/2908-1-0x0000000074020000-0x000000007470E000-memory.dmp

      Filesize

      6.9MB

    • memory/2908-5-0x0000000000660000-0x000000000066A000-memory.dmp

      Filesize

      40KB