Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    12-06-2024 02:28

General

  • Target

    e6ecf390542c44da68e56315d0aa3924239c5798fdc58bf7955b0e6b6613787d.xlam

  • Size

    726KB

  • MD5

    e38bcfcd4aef15bb987399f787557582

  • SHA1

    d49c20bed98eabc5df26e5309572e2b946ca2189

  • SHA256

    e6ecf390542c44da68e56315d0aa3924239c5798fdc58bf7955b0e6b6613787d

  • SHA512

    9471ba49d1a29c8c339fe720d99b2742d90fce7840f7de34c35a3c31d6626c4652a2e62318abf7f242a90aab51bda0cf80c63c092db7f3c48c3d6aa0446de7a6

  • SSDEEP

    12288:/knWybbQuN3IQIRHksCPbuNlK4fS212xQao9bkoJhPY2hR8EMgYJ9Axtat9fJluP:cJbj4X1GPbubK43gyd9bk6XRbHk9vBJy

Malware Config

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 33 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 33 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 33 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 33 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 33 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 33 IoCs
  • Blocklisted process makes network request 3 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Launches Equation Editor 1 TTPs 1 IoCs

    Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.

  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\e6ecf390542c44da68e56315d0aa3924239c5798fdc58bf7955b0e6b6613787d.xlam
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:1632
  • C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
    "C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
    1⤵
    • Blocklisted process makes network request
    • Loads dropped DLL
    • Launches Equation Editor
    • Suspicious use of WriteProcessMemory
    PID:2996
    • C:\Users\Admin\AppData\Roaming\KJH.exe
      "C:\Users\Admin\AppData\Roaming\KJH.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2528
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Users\Admin\AppData\Roaming\KJH.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2208

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Roaming\KJH.exe

    Filesize

    1.2MB

    MD5

    714dfae63f102e6cf01921b5f687e324

    SHA1

    eb4e96d05ed4fa9607c6311e6db723678d15c3bf

    SHA256

    080ccc20d803e443569ebaa56ea94a3522ac6fb2fb9406df681d4e5990363970

    SHA512

    15eb155a113fe8782e5eb819df96478f2f3a5856b30708709832f2661eba91f483fa55064b3190701e1d17e570f7273519c39922bfc782365fa63caf3daaa766

  • memory/1632-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1632-1-0x000000007249D000-0x00000000724A8000-memory.dmp

    Filesize

    44KB

  • memory/1632-1056-0x000000007249D000-0x00000000724A8000-memory.dmp

    Filesize

    44KB

  • memory/1632-1053-0x000000007249D000-0x00000000724A8000-memory.dmp

    Filesize

    44KB

  • memory/2208-46-0x0000000000A70000-0x0000000000ABD000-memory.dmp

    Filesize

    308KB

  • memory/2208-50-0x0000000000A70000-0x0000000000ABD000-memory.dmp

    Filesize

    308KB

  • memory/2208-22-0x0000000000A70000-0x0000000000AC2000-memory.dmp

    Filesize

    328KB

  • memory/2208-23-0x0000000000A70000-0x0000000000ABD000-memory.dmp

    Filesize

    308KB

  • memory/2208-24-0x0000000000A70000-0x0000000000ABD000-memory.dmp

    Filesize

    308KB

  • memory/2208-26-0x0000000000A70000-0x0000000000ABD000-memory.dmp

    Filesize

    308KB

  • memory/2208-28-0x0000000000A70000-0x0000000000ABD000-memory.dmp

    Filesize

    308KB

  • memory/2208-30-0x0000000000A70000-0x0000000000ABD000-memory.dmp

    Filesize

    308KB

  • memory/2208-32-0x0000000000A70000-0x0000000000ABD000-memory.dmp

    Filesize

    308KB

  • memory/2208-34-0x0000000000A70000-0x0000000000ABD000-memory.dmp

    Filesize

    308KB

  • memory/2208-36-0x0000000000A70000-0x0000000000ABD000-memory.dmp

    Filesize

    308KB

  • memory/2208-38-0x0000000000A70000-0x0000000000ABD000-memory.dmp

    Filesize

    308KB

  • memory/2208-40-0x0000000000A70000-0x0000000000ABD000-memory.dmp

    Filesize

    308KB

  • memory/2208-42-0x0000000000A70000-0x0000000000ABD000-memory.dmp

    Filesize

    308KB

  • memory/2208-44-0x0000000000A70000-0x0000000000ABD000-memory.dmp

    Filesize

    308KB

  • memory/2208-19-0x0000000000400000-0x0000000000446000-memory.dmp

    Filesize

    280KB

  • memory/2208-48-0x0000000000A70000-0x0000000000ABD000-memory.dmp

    Filesize

    308KB

  • memory/2208-21-0x0000000000850000-0x00000000008A4000-memory.dmp

    Filesize

    336KB

  • memory/2208-52-0x0000000000A70000-0x0000000000ABD000-memory.dmp

    Filesize

    308KB

  • memory/2208-54-0x0000000000A70000-0x0000000000ABD000-memory.dmp

    Filesize

    308KB

  • memory/2208-56-0x0000000000A70000-0x0000000000ABD000-memory.dmp

    Filesize

    308KB

  • memory/2208-58-0x0000000000A70000-0x0000000000ABD000-memory.dmp

    Filesize

    308KB

  • memory/2208-60-0x0000000000A70000-0x0000000000ABD000-memory.dmp

    Filesize

    308KB

  • memory/2208-62-0x0000000000A70000-0x0000000000ABD000-memory.dmp

    Filesize

    308KB

  • memory/2208-64-0x0000000000A70000-0x0000000000ABD000-memory.dmp

    Filesize

    308KB

  • memory/2208-66-0x0000000000A70000-0x0000000000ABD000-memory.dmp

    Filesize

    308KB

  • memory/2208-68-0x0000000000A70000-0x0000000000ABD000-memory.dmp

    Filesize

    308KB

  • memory/2208-70-0x0000000000A70000-0x0000000000ABD000-memory.dmp

    Filesize

    308KB

  • memory/2208-72-0x0000000000A70000-0x0000000000ABD000-memory.dmp

    Filesize

    308KB

  • memory/2208-74-0x0000000000A70000-0x0000000000ABD000-memory.dmp

    Filesize

    308KB

  • memory/2208-76-0x0000000000A70000-0x0000000000ABD000-memory.dmp

    Filesize

    308KB

  • memory/2208-78-0x0000000000A70000-0x0000000000ABD000-memory.dmp

    Filesize

    308KB

  • memory/2208-80-0x0000000000A70000-0x0000000000ABD000-memory.dmp

    Filesize

    308KB

  • memory/2208-82-0x0000000000A70000-0x0000000000ABD000-memory.dmp

    Filesize

    308KB

  • memory/2208-20-0x0000000000400000-0x0000000000446000-memory.dmp

    Filesize

    280KB

  • memory/2528-18-0x0000000000160000-0x0000000000164000-memory.dmp

    Filesize

    16KB