Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231025-en
  • resource tags

    arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system
  • submitted
    01-12-2023 19:45

General

  • Target

    a50767b27a77bb9624954d91212c35810947cdd7c16fbfa2280c4c3ec1ccf8d6.exe

  • Size

    693KB

  • MD5

    8aa80724b2307985b84a16fe2c2a4a42

  • SHA1

    02f3a80ea5ad604cb428be9c9c2f14a7177d8b9e

  • SHA256

    a50767b27a77bb9624954d91212c35810947cdd7c16fbfa2280c4c3ec1ccf8d6

  • SHA512

    75962cc90ec7451d8cf701b5c05d82641cfe61741d8223be9fc6906c4f18ea78cfdf698984bac491ffa732e1f8a7f6b9493458fa72010d18e71f329afa6f5a10

  • SSDEEP

    12288:nMQmbCp92iNpLXoFfXs54C9dEQy25X+rf32Z7Nfz/sTxsqK5kod3jW:nH1vLXoF0579dEYl8GZVz/bvZdzW

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 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a50767b27a77bb9624954d91212c35810947cdd7c16fbfa2280c4c3ec1ccf8d6.exe
    "C:\Users\Admin\AppData\Local\Temp\a50767b27a77bb9624954d91212c35810947cdd7c16fbfa2280c4c3ec1ccf8d6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2332
    • C:\Users\Admin\AppData\Local\Temp\a50767b27a77bb9624954d91212c35810947cdd7c16fbfa2280c4c3ec1ccf8d6.exe
      "C:\Users\Admin\AppData\Local\Temp\a50767b27a77bb9624954d91212c35810947cdd7c16fbfa2280c4c3ec1ccf8d6.exe"
      2⤵
        PID:2320
      • C:\Users\Admin\AppData\Local\Temp\a50767b27a77bb9624954d91212c35810947cdd7c16fbfa2280c4c3ec1ccf8d6.exe
        "C:\Users\Admin\AppData\Local\Temp\a50767b27a77bb9624954d91212c35810947cdd7c16fbfa2280c4c3ec1ccf8d6.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1696

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1696-21-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/1696-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/1696-13-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/1696-11-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/1696-25-0x0000000074890000-0x0000000074F7E000-memory.dmp

      Filesize

      6.9MB

    • memory/1696-24-0x0000000000C70000-0x0000000000CB0000-memory.dmp

      Filesize

      256KB

    • memory/1696-22-0x0000000074890000-0x0000000074F7E000-memory.dmp

      Filesize

      6.9MB

    • memory/1696-19-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/1696-14-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/1696-9-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/1696-26-0x0000000000C70000-0x0000000000CB0000-memory.dmp

      Filesize

      256KB

    • memory/1696-17-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2332-6-0x0000000005A00000-0x0000000005A7A000-memory.dmp

      Filesize

      488KB

    • memory/2332-8-0x0000000004D30000-0x0000000004D70000-memory.dmp

      Filesize

      256KB

    • memory/2332-2-0x0000000004D30000-0x0000000004D70000-memory.dmp

      Filesize

      256KB

    • memory/2332-0-0x0000000001100000-0x00000000011B4000-memory.dmp

      Filesize

      720KB

    • memory/2332-7-0x0000000074890000-0x0000000074F7E000-memory.dmp

      Filesize

      6.9MB

    • memory/2332-1-0x0000000074890000-0x0000000074F7E000-memory.dmp

      Filesize

      6.9MB

    • memory/2332-23-0x0000000074890000-0x0000000074F7E000-memory.dmp

      Filesize

      6.9MB

    • memory/2332-5-0x00000000003D0000-0x00000000003DA000-memory.dmp

      Filesize

      40KB

    • memory/2332-4-0x00000000003B0000-0x00000000003B8000-memory.dmp

      Filesize

      32KB

    • memory/2332-3-0x00000000004E0000-0x00000000004FA000-memory.dmp

      Filesize

      104KB