Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    12-06-2024 02:20

General

  • Target

    d34512e149774ba06eb46d4678af8b8a6995fa019bc9bc352687d11915646837.vbe

  • Size

    1.2MB

  • MD5

    d69c9b286370b62f92c918391b634a58

  • SHA1

    cc1655427efdee76bcd035e4e49facdfc507428d

  • SHA256

    d34512e149774ba06eb46d4678af8b8a6995fa019bc9bc352687d11915646837

  • SHA512

    880a3d297dea7c682e860c430fb07dab87a13620fb8d5572bef06b091f41524ab0d2dab334ca4b747913cca11f8f093626fd1097d302e3276d98517b1c81543e

  • SSDEEP

    24576:ug8OekVBbj2Y9UHmZiJHtf2BqH6H/DyHqYbqG5LerJ2cVPX2JlxrM8CW:TFVBHRzExtD6/6Zk0J3rMw

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
  • Executes dropped EXE 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\d34512e149774ba06eb46d4678af8b8a6995fa019bc9bc352687d11915646837.vbe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2908
    • C:\Users\Admin\AppData\Local\Temp\x.exe
      "C:\Users\Admin\AppData\Local\Temp\x.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2716
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2664

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\x.exe

    Filesize

    922KB

    MD5

    b00a0fe1481355a44e42eb0c8df8535a

    SHA1

    a564004203522c9f78334d5442fcfd11e1e292ce

    SHA256

    9b2071e0c54d09643e5d6bcaff25e747f2461ea0b1b062753a137489b7596d84

    SHA512

    4697ca800e7eac2c07ea16800eb73170aebfc2898eb1002e9867dea746abd5fba7bbfdc1ab1c9575fd59c46f29d5f594c74599a7397c32b89c58bd6bf07a13dc

  • memory/2664-19-0x0000000073B1E000-0x0000000073B1F000-memory.dmp

    Filesize

    4KB

  • memory/2664-16-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2664-8-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2664-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2664-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2664-22-0x0000000073B10000-0x00000000741FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2664-18-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2664-21-0x0000000073B1E000-0x0000000073B1F000-memory.dmp

    Filesize

    4KB

  • memory/2664-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2664-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2664-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2664-20-0x0000000073B10000-0x00000000741FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2716-7-0x00000000011C0000-0x00000000012AE000-memory.dmp

    Filesize

    952KB

  • memory/2716-6-0x000000007420E000-0x000000007420F000-memory.dmp

    Filesize

    4KB