Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    11-12-2023 02:41

General

  • Target

    a0a98d41a45aaa6af1ad3d084218e1b7.exe

  • Size

    737KB

  • MD5

    a0a98d41a45aaa6af1ad3d084218e1b7

  • SHA1

    aaf63c99c9313bd7ee46b67f5bea4f35e967e1af

  • SHA256

    e3c48ba70cb42a88e5ebe7e22a5c28ddf8993f9c5106d0ab7e38450229f374c6

  • SHA512

    96542a1828b66845095f98fb62fb99975a507a89bcc487139045800c5bc1a05bedc337e3699a06887969319b6f8fb51e568d13e42c12815d6d0092b71367e495

  • SSDEEP

    12288:qqc3+GCueH5qtq485C4yKsh8v7TxLnnpxm2WZfQ0l9CLVzev:q/uG2qg4R8v7TxLpwHt/Qg

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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a0a98d41a45aaa6af1ad3d084218e1b7.exe
    "C:\Users\Admin\AppData\Local\Temp\a0a98d41a45aaa6af1ad3d084218e1b7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2316
    • C:\Users\Admin\AppData\Local\Temp\a0a98d41a45aaa6af1ad3d084218e1b7.exe
      "C:\Users\Admin\AppData\Local\Temp\a0a98d41a45aaa6af1ad3d084218e1b7.exe"
      2⤵
        PID:3020
      • C:\Users\Admin\AppData\Local\Temp\a0a98d41a45aaa6af1ad3d084218e1b7.exe
        "C:\Users\Admin\AppData\Local\Temp\a0a98d41a45aaa6af1ad3d084218e1b7.exe"
        2⤵
          PID:1196
        • C:\Users\Admin\AppData\Local\Temp\a0a98d41a45aaa6af1ad3d084218e1b7.exe
          "C:\Users\Admin\AppData\Local\Temp\a0a98d41a45aaa6af1ad3d084218e1b7.exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1728

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1728-19-0x0000000074A50000-0x000000007513E000-memory.dmp

        Filesize

        6.9MB

      • memory/1728-18-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/1728-8-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/1728-21-0x0000000074A50000-0x000000007513E000-memory.dmp

        Filesize

        6.9MB

      • memory/1728-9-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/1728-13-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/1728-20-0x0000000004440000-0x0000000004480000-memory.dmp

        Filesize

        256KB

      • memory/1728-10-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/1728-22-0x0000000004440000-0x0000000004480000-memory.dmp

        Filesize

        256KB

      • memory/1728-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/1728-7-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/1728-15-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2316-17-0x0000000074AD0000-0x00000000751BE000-memory.dmp

        Filesize

        6.9MB

      • memory/2316-1-0x0000000074AD0000-0x00000000751BE000-memory.dmp

        Filesize

        6.9MB

      • memory/2316-6-0x0000000005680000-0x00000000056FA000-memory.dmp

        Filesize

        488KB

      • memory/2316-0-0x0000000000E90000-0x0000000000F4E000-memory.dmp

        Filesize

        760KB

      • memory/2316-5-0x00000000005C0000-0x00000000005CA000-memory.dmp

        Filesize

        40KB

      • memory/2316-4-0x00000000004C0000-0x00000000004C8000-memory.dmp

        Filesize

        32KB

      • memory/2316-3-0x0000000000480000-0x000000000049A000-memory.dmp

        Filesize

        104KB

      • memory/2316-2-0x0000000004830000-0x0000000004870000-memory.dmp

        Filesize

        256KB