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Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2024, 01:03

General

  • Target

    HGJ7688.exe

  • Size

    1.6MB

  • MD5

    3e41f9112dbf536b22fe43f5da1e4255

  • SHA1

    8dd5d8ad791103f1bb68ef16f7553066d6235569

  • SHA256

    1627a54d0ecbd6b1a92755383488e7f50f0311f8fbbad850db051d1e80f54be6

  • SHA512

    688b76288f58182796d53510c5632af5113b447406e64b79e953db94eee031b9e8f0aec64e4549a9a572fd3d0bed231fbf8d86aec0b801111c7b8f6e1d14ce92

  • SSDEEP

    24576:c8u/Vjs+4S+/3qlrCNoh+UagIwhCNoh+JR9FrIJJpCNoh+7qy4/fGVhVqNqIjjuB:c8u/VQZ/iJO2URoGqhGJqNqlInut

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.antoniomayol.com:21
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    cMhKDQUk1{;%

Signatures

  • AgentTesla

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

  • Agenttesla family
  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\HGJ7688.exe
    "C:\Users\Admin\AppData\Local\Temp\HGJ7688.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2236
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
      2⤵
        PID:2924
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2660
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 2236 -s 636
        2⤵
          PID:1480

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2236-0-0x000007FEF57B3000-0x000007FEF57B4000-memory.dmp

        Filesize

        4KB

      • memory/2236-1-0x0000000000DC0000-0x0000000000F68000-memory.dmp

        Filesize

        1.7MB

      • memory/2236-2-0x0000000000D20000-0x0000000000DB4000-memory.dmp

        Filesize

        592KB

      • memory/2236-3-0x000007FEF57B0000-0x000007FEF619C000-memory.dmp

        Filesize

        9.9MB

      • memory/2236-21-0x000007FEF57B0000-0x000007FEF619C000-memory.dmp

        Filesize

        9.9MB

      • memory/2236-20-0x000007FEF57B3000-0x000007FEF57B4000-memory.dmp

        Filesize

        4KB

      • memory/2660-10-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2660-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2660-13-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2660-6-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2660-17-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2660-15-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2660-18-0x000000007453E000-0x000000007453F000-memory.dmp

        Filesize

        4KB

      • memory/2660-19-0x0000000074530000-0x0000000074C1E000-memory.dmp

        Filesize

        6.9MB

      • memory/2660-8-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2660-4-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2660-22-0x000000007453E000-0x000000007453F000-memory.dmp

        Filesize

        4KB

      • memory/2660-23-0x0000000074530000-0x0000000074C1E000-memory.dmp

        Filesize

        6.9MB