Analysis

  • max time kernel
    125s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-09-2024 01:36

General

  • Target

    92237dfe62e734cfd7c58327c9386a912388148738c9b11dd4c840fb2a956f12.exe

  • Size

    578KB

  • MD5

    6f1b4d1f00be36e9313431a13fda4999

  • SHA1

    340b524e5517d862975b2ac1df99fa961a2ebc73

  • SHA256

    92237dfe62e734cfd7c58327c9386a912388148738c9b11dd4c840fb2a956f12

  • SHA512

    60b792236b094578d3e3a280877c15fd5cf6e815c6257af121dc1d208c10e0e255a29dd29da467f5fe144dc3f26b575995959abd99e73595588c03d561d5716a

  • SSDEEP

    12288:i82BJx/+kCegSWFJiyiG6Nn7pvU6w9OuAOR7iN1Iz4b:t2BL5IfDJo7W9OulFQIz+

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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
  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\92237dfe62e734cfd7c58327c9386a912388148738c9b11dd4c840fb2a956f12.exe
    "C:\Users\Admin\AppData\Local\Temp\92237dfe62e734cfd7c58327c9386a912388148738c9b11dd4c840fb2a956f12.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1424
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TtXqxTm.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4568
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TtXqxTm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp749E.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1984
    • C:\Users\Admin\AppData\Local\Temp\92237dfe62e734cfd7c58327c9386a912388148738c9b11dd4c840fb2a956f12.exe
      "C:\Users\Admin\AppData\Local\Temp\92237dfe62e734cfd7c58327c9386a912388148738c9b11dd4c840fb2a956f12.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:3416
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4292,i,12470628711992022444,7767535593390851522,262144 --variations-seed-version --mojo-platform-channel-handle=3872 /prefetch:8
    1⤵
      PID:2948

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3oouhwdy.bwv.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp749E.tmp

      Filesize

      1KB

      MD5

      894cfbd85a06d4409037389d9dc38883

      SHA1

      1807608ad7c443a999048eec68671c204709b83e

      SHA256

      7c68b84c3eda00615b2293d2e7dc882da9a698e9ac5dc7145e7a712a5cef186b

      SHA512

      3e19c4ff63ef398fd5322963af66d644dd2122660fba4c42a8690ada011c3d3a7bc889b699cc4c75f028c0e087486c6d5df6755ea107e7d652edabb6ff2c0962

    • memory/1424-6-0x0000000006E60000-0x0000000006E7A000-memory.dmp

      Filesize

      104KB

    • memory/1424-3-0x0000000005890000-0x0000000005922000-memory.dmp

      Filesize

      584KB

    • memory/1424-5-0x0000000074A70000-0x0000000075220000-memory.dmp

      Filesize

      7.7MB

    • memory/1424-4-0x0000000005800000-0x000000000580A000-memory.dmp

      Filesize

      40KB

    • memory/1424-2-0x0000000005E40000-0x00000000063E4000-memory.dmp

      Filesize

      5.6MB

    • memory/1424-7-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

      Filesize

      4KB

    • memory/1424-8-0x0000000074A70000-0x0000000075220000-memory.dmp

      Filesize

      7.7MB

    • memory/1424-9-0x00000000069F0000-0x00000000069FE000-memory.dmp

      Filesize

      56KB

    • memory/1424-10-0x0000000006A10000-0x0000000006A82000-memory.dmp

      Filesize

      456KB

    • memory/1424-11-0x00000000091D0000-0x000000000926C000-memory.dmp

      Filesize

      624KB

    • memory/1424-36-0x0000000074A70000-0x0000000075220000-memory.dmp

      Filesize

      7.7MB

    • memory/1424-1-0x0000000000D70000-0x0000000000E06000-memory.dmp

      Filesize

      600KB

    • memory/1424-0-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

      Filesize

      4KB

    • memory/3416-31-0x0000000074A70000-0x0000000075220000-memory.dmp

      Filesize

      7.7MB

    • memory/3416-62-0x0000000007320000-0x0000000007370000-memory.dmp

      Filesize

      320KB

    • memory/3416-22-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/3416-67-0x0000000074A70000-0x0000000075220000-memory.dmp

      Filesize

      7.7MB

    • memory/3416-64-0x0000000007550000-0x0000000007712000-memory.dmp

      Filesize

      1.8MB

    • memory/4568-52-0x0000000007040000-0x00000000070E3000-memory.dmp

      Filesize

      652KB

    • memory/4568-54-0x0000000007160000-0x000000000717A000-memory.dmp

      Filesize

      104KB

    • memory/4568-19-0x0000000005170000-0x0000000005798000-memory.dmp

      Filesize

      6.2MB

    • memory/4568-37-0x0000000005880000-0x0000000005BD4000-memory.dmp

      Filesize

      3.3MB

    • memory/4568-16-0x0000000002500000-0x0000000002536000-memory.dmp

      Filesize

      216KB

    • memory/4568-38-0x0000000005E30000-0x0000000005E4E000-memory.dmp

      Filesize

      120KB

    • memory/4568-39-0x0000000006290000-0x00000000062DC000-memory.dmp

      Filesize

      304KB

    • memory/4568-40-0x00000000063F0000-0x0000000006422000-memory.dmp

      Filesize

      200KB

    • memory/4568-41-0x0000000075320000-0x000000007536C000-memory.dmp

      Filesize

      304KB

    • memory/4568-51-0x0000000006440000-0x000000000645E000-memory.dmp

      Filesize

      120KB

    • memory/4568-20-0x0000000074A70000-0x0000000075220000-memory.dmp

      Filesize

      7.7MB

    • memory/4568-21-0x0000000005070000-0x0000000005092000-memory.dmp

      Filesize

      136KB

    • memory/4568-53-0x00000000077A0000-0x0000000007E1A000-memory.dmp

      Filesize

      6.5MB

    • memory/4568-55-0x00000000071D0000-0x00000000071DA000-memory.dmp

      Filesize

      40KB

    • memory/4568-56-0x00000000073E0000-0x0000000007476000-memory.dmp

      Filesize

      600KB

    • memory/4568-57-0x0000000007360000-0x0000000007371000-memory.dmp

      Filesize

      68KB

    • memory/4568-58-0x0000000007390000-0x000000000739E000-memory.dmp

      Filesize

      56KB

    • memory/4568-59-0x00000000073A0000-0x00000000073B4000-memory.dmp

      Filesize

      80KB

    • memory/4568-60-0x00000000074A0000-0x00000000074BA000-memory.dmp

      Filesize

      104KB

    • memory/4568-61-0x0000000007480000-0x0000000007488000-memory.dmp

      Filesize

      32KB

    • memory/4568-23-0x00000000057A0000-0x0000000005806000-memory.dmp

      Filesize

      408KB

    • memory/4568-24-0x0000000005810000-0x0000000005876000-memory.dmp

      Filesize

      408KB

    • memory/4568-66-0x0000000074A70000-0x0000000075220000-memory.dmp

      Filesize

      7.7MB

    • memory/4568-18-0x0000000074A70000-0x0000000075220000-memory.dmp

      Filesize

      7.7MB