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Analysis

  • max time kernel
    105s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/03/2024, 13:55

General

  • Target

    588f5817c53eaa50906295cd61b78e82321c73128f479053a67d3ac57be59e13.exe

  • Size

    880KB

  • MD5

    e63f9535f4103059d84ea4350a67a57c

  • SHA1

    085b25851bb551ff046a0edca59d0920170a6cc3

  • SHA256

    588f5817c53eaa50906295cd61b78e82321c73128f479053a67d3ac57be59e13

  • SHA512

    fc39467418f0a791c076cf00118e7bc3672c4a91c6bb6548c3fc05ea5b8ee58295b6e08bb62b48ae6d86cf5fd88c0635c05f8bf352cee476ce5002aedbb6f8a6

  • SSDEEP

    12288:jhkDgouVA2nxKkorvdRgQriDwOIxmxiZnYQE7PJcE4a+otxHe17NJ0W:pRmJkcoQricOIQxiZY1iajf+NEW

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 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 behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\588f5817c53eaa50906295cd61b78e82321c73128f479053a67d3ac57be59e13.exe
    "C:\Users\Admin\AppData\Local\Temp\588f5817c53eaa50906295cd61b78e82321c73128f479053a67d3ac57be59e13.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2736
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\588f5817c53eaa50906295cd61b78e82321c73128f479053a67d3ac57be59e13.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4556

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2736-10-0x0000000003400000-0x0000000003404000-memory.dmp

    Filesize

    16KB

  • memory/4556-11-0x0000000000380000-0x00000000003C2000-memory.dmp

    Filesize

    264KB

  • memory/4556-12-0x00000000748E0000-0x0000000075090000-memory.dmp

    Filesize

    7.7MB

  • memory/4556-13-0x0000000005420000-0x00000000059C4000-memory.dmp

    Filesize

    5.6MB

  • memory/4556-14-0x0000000004DB0000-0x0000000004DC0000-memory.dmp

    Filesize

    64KB

  • memory/4556-15-0x0000000004E70000-0x0000000004ED6000-memory.dmp

    Filesize

    408KB

  • memory/4556-17-0x00000000062D0000-0x0000000006320000-memory.dmp

    Filesize

    320KB

  • memory/4556-18-0x00000000063C0000-0x0000000006452000-memory.dmp

    Filesize

    584KB

  • memory/4556-19-0x0000000006340000-0x000000000634A000-memory.dmp

    Filesize

    40KB

  • memory/4556-20-0x00000000748E0000-0x0000000075090000-memory.dmp

    Filesize

    7.7MB

  • memory/4556-21-0x0000000004DB0000-0x0000000004DC0000-memory.dmp

    Filesize

    64KB