Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231201-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231201-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-12-2023 16:34

General

  • Target

    a73e19f0e16fe269c738fb72db885632.exe

  • Size

    823KB

  • MD5

    a73e19f0e16fe269c738fb72db885632

  • SHA1

    86505bb59e19e4d458f14b84ea2cd4412270399d

  • SHA256

    c74273c928e74f91e1869446598e85ab41d163efa6dac55e45c50e74140f6ccc

  • SHA512

    7047fef24ed425121dcbe530f55ded680c686565ea5646c072313a6a1996c53256f09e75bb3bad5a42e6ebbfcecbb6b5881e5500e32a11b8c2d7ed631107f06d

  • SSDEEP

    24576:GSqn1JhQ8AA6vkIx4W8AHPb41CEjSd8n:Jqn1Px6vQA7USun

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.experthvac.ro
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    -8{jszMOY*Z8(~Za0#jyP%o7VoB.0)kk^)7_

Signatures

  • AgentTesla

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

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a73e19f0e16fe269c738fb72db885632.exe
    "C:\Users\Admin\AppData\Local\Temp\a73e19f0e16fe269c738fb72db885632.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4824
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1080

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1080-18-0x0000000005240000-0x0000000005250000-memory.dmp

    Filesize

    64KB

  • memory/1080-23-0x0000000005240000-0x0000000005250000-memory.dmp

    Filesize

    64KB

  • memory/1080-22-0x00000000752A0000-0x0000000075A50000-memory.dmp

    Filesize

    7.7MB

  • memory/1080-21-0x00000000066B0000-0x0000000006872000-memory.dmp

    Filesize

    1.8MB

  • memory/1080-20-0x0000000006440000-0x0000000006490000-memory.dmp

    Filesize

    320KB

  • memory/1080-14-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1080-17-0x00000000752A0000-0x0000000075A50000-memory.dmp

    Filesize

    7.7MB

  • memory/1080-19-0x00000000050C0000-0x0000000005126000-memory.dmp

    Filesize

    408KB

  • memory/4824-5-0x0000000005860000-0x0000000005870000-memory.dmp

    Filesize

    64KB

  • memory/4824-7-0x0000000006860000-0x000000000686A000-memory.dmp

    Filesize

    40KB

  • memory/4824-10-0x0000000005860000-0x0000000005870000-memory.dmp

    Filesize

    64KB

  • memory/4824-11-0x0000000005860000-0x0000000005870000-memory.dmp

    Filesize

    64KB

  • memory/4824-12-0x0000000007560000-0x000000000757A000-memory.dmp

    Filesize

    104KB

  • memory/4824-13-0x0000000007540000-0x0000000007546000-memory.dmp

    Filesize

    24KB

  • memory/4824-8-0x0000000005860000-0x0000000005870000-memory.dmp

    Filesize

    64KB

  • memory/4824-9-0x00000000752A0000-0x0000000075A50000-memory.dmp

    Filesize

    7.7MB

  • memory/4824-6-0x00000000065D0000-0x0000000006614000-memory.dmp

    Filesize

    272KB

  • memory/4824-16-0x00000000752A0000-0x0000000075A50000-memory.dmp

    Filesize

    7.7MB

  • memory/4824-0-0x0000000000160000-0x0000000000234000-memory.dmp

    Filesize

    848KB

  • memory/4824-4-0x0000000005E20000-0x00000000063C4000-memory.dmp

    Filesize

    5.6MB

  • memory/4824-3-0x00000000056F0000-0x0000000005782000-memory.dmp

    Filesize

    584KB

  • memory/4824-2-0x0000000005650000-0x00000000056EC000-memory.dmp

    Filesize

    624KB

  • memory/4824-1-0x00000000752A0000-0x0000000075A50000-memory.dmp

    Filesize

    7.7MB