Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-09-2024 11:53

General

  • Target

    malw.exe

  • Size

    799KB

  • MD5

    93c25551aced91a643d24278fa103d17

  • SHA1

    1eba6cee3daa1e5820e7d9148662ca2bd41f71d5

  • SHA256

    b7b22e06abaaf27a5fb791990312a3a5cee1546433ea055d3341a826b003da09

  • SHA512

    fb7be5912639366a36bc5f45f045015889e5a1f0696f7c32a305827d280991dd896e7e6098cfb7065feeb8876eb7eda01fa33c0c6ad395e675a2b28ddffdce9f

  • SSDEEP

    24576:KTd82SXRRIyaQ6aw7lUESJVufn/VgvVY:CXSBgOQzSr

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\malw.exe
    "C:\Users\Admin\AppData\Local\Temp\malw.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3332
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2616
  • C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\passwrds.txt
    1⤵
    • Opens file in notepad (likely ransom note)
    PID:4620

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2616-14-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2616-21-0x0000000074ED0000-0x0000000075680000-memory.dmp

    Filesize

    7.7MB

  • memory/2616-20-0x0000000006800000-0x0000000006850000-memory.dmp

    Filesize

    320KB

  • memory/2616-19-0x0000000005520000-0x0000000005586000-memory.dmp

    Filesize

    408KB

  • memory/2616-18-0x0000000074ED0000-0x0000000075680000-memory.dmp

    Filesize

    7.7MB

  • memory/2616-17-0x0000000074ED0000-0x0000000075680000-memory.dmp

    Filesize

    7.7MB

  • memory/3332-10-0x0000000074ED0000-0x0000000075680000-memory.dmp

    Filesize

    7.7MB

  • memory/3332-5-0x0000000074ED0000-0x0000000075680000-memory.dmp

    Filesize

    7.7MB

  • memory/3332-8-0x0000000074ED0000-0x0000000075680000-memory.dmp

    Filesize

    7.7MB

  • memory/3332-9-0x0000000074EDE000-0x0000000074EDF000-memory.dmp

    Filesize

    4KB

  • memory/3332-0-0x0000000074EDE000-0x0000000074EDF000-memory.dmp

    Filesize

    4KB

  • memory/3332-11-0x00000000062F0000-0x000000000630A000-memory.dmp

    Filesize

    104KB

  • memory/3332-12-0x0000000006360000-0x0000000006366000-memory.dmp

    Filesize

    24KB

  • memory/3332-7-0x0000000004FD0000-0x0000000004FDA000-memory.dmp

    Filesize

    40KB

  • memory/3332-6-0x0000000004E10000-0x0000000004EAE000-memory.dmp

    Filesize

    632KB

  • memory/3332-16-0x0000000074ED0000-0x0000000075680000-memory.dmp

    Filesize

    7.7MB

  • memory/3332-4-0x0000000004D70000-0x0000000004E02000-memory.dmp

    Filesize

    584KB

  • memory/3332-3-0x0000000005280000-0x0000000005824000-memory.dmp

    Filesize

    5.6MB

  • memory/3332-2-0x0000000004C30000-0x0000000004CCC000-memory.dmp

    Filesize

    624KB

  • memory/3332-1-0x0000000000B80000-0x0000000000C4E000-memory.dmp

    Filesize

    824KB