Analysis

  • max time kernel
    125s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-09-2024 01:06

General

  • Target

    1f73dccfdf8ee9cb8fb841e40c88a7b124cd28c0b06688eaf2bb81ef4f4ac0aa.exe

  • Size

    694KB

  • MD5

    dee06951d167b664d93327273de0a77b

  • SHA1

    0d50cee23feb7cb5309dd917e82293f02cf83a3d

  • SHA256

    1f73dccfdf8ee9cb8fb841e40c88a7b124cd28c0b06688eaf2bb81ef4f4ac0aa

  • SHA512

    5e639dfecb665a3286ac984d4172a0e71488eb01db31d785fea5edf7990836653176a3a5c865a2315ee62ca6aeb3033d616485d5d2623a368f054f1044eb1902

  • SSDEEP

    12288:jViwt5XHjlFEdBrP2d1oO7Py2NOqto0FFX5WHusz9U5ovcpS5+iRj6aLcAIwzmL0:Riw5JFWBLg7P19tb0Husz9LvcpA+iNIs

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    beirutrest.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    9yXQ39wz(uL+

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://beirutrest.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    9yXQ39wz(uL+

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.

  • 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 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1f73dccfdf8ee9cb8fb841e40c88a7b124cd28c0b06688eaf2bb81ef4f4ac0aa.exe
    "C:\Users\Admin\AppData\Local\Temp\1f73dccfdf8ee9cb8fb841e40c88a7b124cd28c0b06688eaf2bb81ef4f4ac0aa.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3420
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\1f73dccfdf8ee9cb8fb841e40c88a7b124cd28c0b06688eaf2bb81ef4f4ac0aa.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1648
    • C:\Users\Admin\AppData\Local\Temp\1f73dccfdf8ee9cb8fb841e40c88a7b124cd28c0b06688eaf2bb81ef4f4ac0aa.exe
      "C:\Users\Admin\AppData\Local\Temp\1f73dccfdf8ee9cb8fb841e40c88a7b124cd28c0b06688eaf2bb81ef4f4ac0aa.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3432
  • 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=4264,i,10065386245627775856,6567048529106473151,262144 --variations-seed-version --mojo-platform-channel-handle=4004 /prefetch:8
    1⤵
      PID:2260

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\1f73dccfdf8ee9cb8fb841e40c88a7b124cd28c0b06688eaf2bb81ef4f4ac0aa.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ykx0oyj3.kyk.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/1648-51-0x0000000007480000-0x000000000749A000-memory.dmp

      Filesize

      104KB

    • memory/1648-50-0x0000000007AC0000-0x000000000813A000-memory.dmp

      Filesize

      6.5MB

    • memory/1648-22-0x00000000050A0000-0x00000000050C2000-memory.dmp

      Filesize

      136KB

    • memory/1648-62-0x0000000074A20000-0x00000000751D0000-memory.dmp

      Filesize

      7.7MB

    • memory/1648-59-0x00000000077A0000-0x00000000077A8000-memory.dmp

      Filesize

      32KB

    • memory/1648-58-0x00000000077C0000-0x00000000077DA000-memory.dmp

      Filesize

      104KB

    • memory/1648-57-0x00000000076C0000-0x00000000076D4000-memory.dmp

      Filesize

      80KB

    • memory/1648-56-0x00000000076B0000-0x00000000076BE000-memory.dmp

      Filesize

      56KB

    • memory/1648-54-0x0000000007680000-0x0000000007691000-memory.dmp

      Filesize

      68KB

    • memory/1648-53-0x0000000007700000-0x0000000007796000-memory.dmp

      Filesize

      600KB

    • memory/1648-52-0x00000000074F0000-0x00000000074FA000-memory.dmp

      Filesize

      40KB

    • memory/1648-35-0x0000000074A20000-0x00000000751D0000-memory.dmp

      Filesize

      7.7MB

    • memory/1648-49-0x0000000007140000-0x00000000071E3000-memory.dmp

      Filesize

      652KB

    • memory/1648-16-0x0000000074A20000-0x00000000751D0000-memory.dmp

      Filesize

      7.7MB

    • memory/1648-17-0x0000000074A20000-0x00000000751D0000-memory.dmp

      Filesize

      7.7MB

    • memory/1648-33-0x0000000005B40000-0x0000000005E94000-memory.dmp

      Filesize

      3.3MB

    • memory/1648-18-0x0000000002840000-0x0000000002876000-memory.dmp

      Filesize

      216KB

    • memory/1648-21-0x0000000005380000-0x00000000059A8000-memory.dmp

      Filesize

      6.2MB

    • memory/1648-48-0x0000000006760000-0x000000000677E000-memory.dmp

      Filesize

      120KB

    • memory/1648-23-0x0000000005140000-0x00000000051A6000-memory.dmp

      Filesize

      408KB

    • memory/1648-38-0x0000000070780000-0x00000000707CC000-memory.dmp

      Filesize

      304KB

    • memory/1648-37-0x0000000006720000-0x0000000006752000-memory.dmp

      Filesize

      200KB

    • memory/1648-36-0x0000000006250000-0x000000000629C000-memory.dmp

      Filesize

      304KB

    • memory/1648-34-0x0000000006150000-0x000000000616E000-memory.dmp

      Filesize

      120KB

    • memory/3420-0-0x0000000074A2E000-0x0000000074A2F000-memory.dmp

      Filesize

      4KB

    • memory/3420-8-0x0000000074A20000-0x00000000751D0000-memory.dmp

      Filesize

      7.7MB

    • memory/3420-5-0x0000000005990000-0x000000000599A000-memory.dmp

      Filesize

      40KB

    • memory/3420-4-0x0000000074A20000-0x00000000751D0000-memory.dmp

      Filesize

      7.7MB

    • memory/3420-1-0x0000000000E50000-0x0000000000F02000-memory.dmp

      Filesize

      712KB

    • memory/3420-15-0x0000000074A20000-0x00000000751D0000-memory.dmp

      Filesize

      7.7MB

    • memory/3420-6-0x0000000007260000-0x0000000007270000-memory.dmp

      Filesize

      64KB

    • memory/3420-3-0x00000000058D0000-0x0000000005962000-memory.dmp

      Filesize

      584KB

    • memory/3420-2-0x0000000005F60000-0x0000000006504000-memory.dmp

      Filesize

      5.6MB

    • memory/3420-7-0x0000000074A2E000-0x0000000074A2F000-memory.dmp

      Filesize

      4KB

    • memory/3420-10-0x0000000009860000-0x00000000098FC000-memory.dmp

      Filesize

      624KB

    • memory/3420-9-0x0000000007290000-0x0000000007312000-memory.dmp

      Filesize

      520KB

    • memory/3432-55-0x0000000006C80000-0x0000000006CD0000-memory.dmp

      Filesize

      320KB

    • memory/3432-19-0x0000000074A20000-0x00000000751D0000-memory.dmp

      Filesize

      7.7MB

    • memory/3432-11-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/3432-14-0x0000000074A20000-0x00000000751D0000-memory.dmp

      Filesize

      7.7MB

    • memory/3432-20-0x0000000005780000-0x00000000057E6000-memory.dmp

      Filesize

      408KB

    • memory/3432-63-0x0000000074A20000-0x00000000751D0000-memory.dmp

      Filesize

      7.7MB

    • memory/3432-64-0x0000000074A20000-0x00000000751D0000-memory.dmp

      Filesize

      7.7MB