Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 01:18

General

  • Target

    33cb5eeb9b42bd08e6a3b13e3c4e7bbcdb02bdb2e071553f177d4e2f66f3b9bf.exe

  • Size

    1.5MB

  • MD5

    7eedf337a5824379df84a628b5ad12ba

  • SHA1

    e1bbded53262161ce93bd08181ded39c29e7a1e2

  • SHA256

    33cb5eeb9b42bd08e6a3b13e3c4e7bbcdb02bdb2e071553f177d4e2f66f3b9bf

  • SHA512

    e5182418670c6803d75d9caa41fc1493a5efcd381f088d21955e795f0f9d37c22774d9258e08a973db94323a73848f08b8c3e40c31cfc9f6fd1705ada1945f43

  • SSDEEP

    24576:CSFHypJqTSpfw3wr9KQdeqJjeAci5wr/hTy3xJVt96qjUXAay/T:qheAtQpTy3zfHUXc

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. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs
  • Detects executables packed with or use KoiVM 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\33cb5eeb9b42bd08e6a3b13e3c4e7bbcdb02bdb2e071553f177d4e2f66f3b9bf.exe
    "C:\Users\Admin\AppData\Local\Temp\33cb5eeb9b42bd08e6a3b13e3c4e7bbcdb02bdb2e071553f177d4e2f66f3b9bf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1780
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2016
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
      2⤵
        PID:4256

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1780-0-0x00007FFE98213000-0x00007FFE98215000-memory.dmp

      Filesize

      8KB

    • memory/1780-1-0x000002166ECC0000-0x000002166ECD2000-memory.dmp

      Filesize

      72KB

    • memory/1780-2-0x00007FFE98210000-0x00007FFE98CD1000-memory.dmp

      Filesize

      10.8MB

    • memory/1780-3-0x00007FFE98210000-0x00007FFE98CD1000-memory.dmp

      Filesize

      10.8MB

    • memory/1780-4-0x000002166EE10000-0x000002166EEA4000-memory.dmp

      Filesize

      592KB

    • memory/1780-10-0x00007FFE98210000-0x00007FFE98CD1000-memory.dmp

      Filesize

      10.8MB

    • memory/2016-8-0x00000000058C0000-0x0000000005926000-memory.dmp

      Filesize

      408KB

    • memory/2016-7-0x0000000005D70000-0x0000000006314000-memory.dmp

      Filesize

      5.6MB

    • memory/2016-6-0x000000007474E000-0x000000007474F000-memory.dmp

      Filesize

      4KB

    • memory/2016-9-0x0000000074740000-0x0000000074EF0000-memory.dmp

      Filesize

      7.7MB

    • memory/2016-5-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2016-11-0x0000000006B40000-0x0000000006B90000-memory.dmp

      Filesize

      320KB

    • memory/2016-12-0x0000000006C30000-0x0000000006CC2000-memory.dmp

      Filesize

      584KB

    • memory/2016-13-0x0000000006BC0000-0x0000000006BCA000-memory.dmp

      Filesize

      40KB

    • memory/2016-14-0x000000007474E000-0x000000007474F000-memory.dmp

      Filesize

      4KB

    • memory/2016-15-0x0000000074740000-0x0000000074EF0000-memory.dmp

      Filesize

      7.7MB