Analysis

  • max time kernel
    122s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    09-12-2023 01:52

General

  • Target

    c93bde97c40ef62ed29d1ac5ff077603c11a043ff8ae58fd854333a2c8e37c2d.exe

  • Size

    833KB

  • MD5

    1680c36ba32de652263ecbea2da37f3e

  • SHA1

    d94d86320691dd007d88d4c7c3a4000d6f785ab2

  • SHA256

    c93bde97c40ef62ed29d1ac5ff077603c11a043ff8ae58fd854333a2c8e37c2d

  • SHA512

    22d06e5a00d9063909b987e1549e5848fc47e4811eebe72765972404f0bb9adf029ce2b5e674903d2b762d119566352237bca3bd7e8f142b32cbfd3de5157a80

  • SSDEEP

    12288:Q5x1wCDwhjBiRynxZxn+SoSgYCiWCzY8wHU83Cfl/5KSDPr5uCdef:GoIRaZF+SobYv/R83y/5LDMCdef

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c93bde97c40ef62ed29d1ac5ff077603c11a043ff8ae58fd854333a2c8e37c2d.exe
    "C:\Users\Admin\AppData\Local\Temp\c93bde97c40ef62ed29d1ac5ff077603c11a043ff8ae58fd854333a2c8e37c2d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1416
    • C:\Users\Admin\AppData\Local\Temp\c93bde97c40ef62ed29d1ac5ff077603c11a043ff8ae58fd854333a2c8e37c2d.exe
      "C:\Users\Admin\AppData\Local\Temp\c93bde97c40ef62ed29d1ac5ff077603c11a043ff8ae58fd854333a2c8e37c2d.exe"
      2⤵
        PID:2720
      • C:\Users\Admin\AppData\Local\Temp\c93bde97c40ef62ed29d1ac5ff077603c11a043ff8ae58fd854333a2c8e37c2d.exe
        "C:\Users\Admin\AppData\Local\Temp\c93bde97c40ef62ed29d1ac5ff077603c11a043ff8ae58fd854333a2c8e37c2d.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2876

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1416-24-0x00000000741A0000-0x000000007488E000-memory.dmp

      Filesize

      6.9MB

    • memory/1416-1-0x00000000741A0000-0x000000007488E000-memory.dmp

      Filesize

      6.9MB

    • memory/1416-2-0x0000000004A20000-0x0000000004A60000-memory.dmp

      Filesize

      256KB

    • memory/1416-3-0x00000000042C0000-0x0000000004304000-memory.dmp

      Filesize

      272KB

    • memory/1416-4-0x0000000004A20000-0x0000000004A60000-memory.dmp

      Filesize

      256KB

    • memory/1416-5-0x0000000000950000-0x000000000096A000-memory.dmp

      Filesize

      104KB

    • memory/1416-6-0x0000000000520000-0x0000000000526000-memory.dmp

      Filesize

      24KB

    • memory/1416-30-0x00000000741A0000-0x000000007488E000-memory.dmp

      Filesize

      6.9MB

    • memory/1416-26-0x0000000004A20000-0x0000000004A60000-memory.dmp

      Filesize

      256KB

    • memory/1416-25-0x0000000004A20000-0x0000000004A60000-memory.dmp

      Filesize

      256KB

    • memory/1416-0-0x00000000000A0000-0x0000000000176000-memory.dmp

      Filesize

      856KB

    • memory/2720-13-0x0000000000180000-0x00000000001C2000-memory.dmp

      Filesize

      264KB

    • memory/2720-15-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

      Filesize

      4KB

    • memory/2720-11-0x0000000000180000-0x00000000001C2000-memory.dmp

      Filesize

      264KB

    • memory/2720-9-0x0000000000180000-0x00000000001C2000-memory.dmp

      Filesize

      264KB

    • memory/2720-7-0x0000000000180000-0x00000000001C2000-memory.dmp

      Filesize

      264KB

    • memory/2876-27-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2876-28-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2876-29-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2876-31-0x00000000741A0000-0x000000007488E000-memory.dmp

      Filesize

      6.9MB

    • memory/2876-32-0x0000000004AD0000-0x0000000004B10000-memory.dmp

      Filesize

      256KB

    • memory/2876-35-0x00000000741A0000-0x000000007488E000-memory.dmp

      Filesize

      6.9MB

    • memory/2876-36-0x0000000004AD0000-0x0000000004B10000-memory.dmp

      Filesize

      256KB