Analysis

  • max time kernel
    143s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-06-2024 16:58

General

  • Target

    50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe

  • Size

    754KB

  • MD5

    d6254b026f6948b21e2e432d019e7207

  • SHA1

    ef4417d75d2c73b595c0907e9dd1dd46d529dd69

  • SHA256

    50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a

  • SHA512

    4135ce960173169649d66c06e1b5f619abe7852040317b53eba0818dc6b877405bf001fb674c06c25e19061f966012b8bc3b4b3b617ea388b6578ef979583ef9

  • SSDEEP

    12288:U/wRuiQu+P5D1I539Kd2k06LGuXxT+/peL1bndieEACR5leZlN:Yauc+xD1qtZCaBeL1p7EA+er

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe
    "C:\Users\Admin\AppData\Local\Temp\50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1496
    • 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\50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2152
    • C:\Users\Admin\AppData\Local\Temp\50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe
      "C:\Users\Admin\AppData\Local\Temp\50b403a4a1fb6422b404d01fd152a4d7cca35d8003f265de7c34ec96f1f70c3a.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1808
  • 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 --no-appcompat-clear --mojo-platform-channel-handle=4140 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:5084

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0kj4kgya.mvc.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/1496-8-0x00000000050B0000-0x0000000005134000-memory.dmp

      Filesize

      528KB

    • memory/1496-5-0x0000000005710000-0x000000000571A000-memory.dmp

      Filesize

      40KB

    • memory/1496-9-0x000000000DE10000-0x000000000DEAC000-memory.dmp

      Filesize

      624KB

    • memory/1496-4-0x0000000074ED0000-0x0000000075680000-memory.dmp

      Filesize

      7.7MB

    • memory/1496-1-0x0000000000BA0000-0x0000000000C62000-memory.dmp

      Filesize

      776KB

    • memory/1496-6-0x0000000008260000-0x0000000008282000-memory.dmp

      Filesize

      136KB

    • memory/1496-7-0x000000000AA10000-0x000000000AA20000-memory.dmp

      Filesize

      64KB

    • memory/1496-13-0x0000000074ED0000-0x0000000075680000-memory.dmp

      Filesize

      7.7MB

    • memory/1496-3-0x0000000005640000-0x00000000056D2000-memory.dmp

      Filesize

      584KB

    • memory/1496-2-0x0000000005D00000-0x00000000062A4000-memory.dmp

      Filesize

      5.6MB

    • memory/1496-0-0x0000000074EDE000-0x0000000074EDF000-memory.dmp

      Filesize

      4KB

    • memory/1808-12-0x0000000074ED0000-0x0000000075680000-memory.dmp

      Filesize

      7.7MB

    • memory/1808-62-0x0000000074ED0000-0x0000000075680000-memory.dmp

      Filesize

      7.7MB

    • memory/1808-15-0x0000000004FB0000-0x0000000005016000-memory.dmp

      Filesize

      408KB

    • memory/1808-16-0x0000000074ED0000-0x0000000075680000-memory.dmp

      Filesize

      7.7MB

    • memory/1808-36-0x0000000005EE0000-0x0000000005F30000-memory.dmp

      Filesize

      320KB

    • memory/1808-10-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2152-21-0x00000000060F0000-0x0000000006156000-memory.dmp

      Filesize

      408KB

    • memory/2152-48-0x0000000006D90000-0x0000000006DAE000-memory.dmp

      Filesize

      120KB

    • memory/2152-19-0x0000000074ED0000-0x0000000075680000-memory.dmp

      Filesize

      7.7MB

    • memory/2152-22-0x0000000074ED0000-0x0000000075680000-memory.dmp

      Filesize

      7.7MB

    • memory/2152-17-0x00000000058E0000-0x0000000005F08000-memory.dmp

      Filesize

      6.2MB

    • memory/2152-32-0x00000000061D0000-0x0000000006524000-memory.dmp

      Filesize

      3.3MB

    • memory/2152-33-0x00000000067F0000-0x000000000680E000-memory.dmp

      Filesize

      120KB

    • memory/2152-34-0x0000000006810000-0x000000000685C000-memory.dmp

      Filesize

      304KB

    • memory/2152-18-0x0000000074ED0000-0x0000000075680000-memory.dmp

      Filesize

      7.7MB

    • memory/2152-37-0x00000000077C0000-0x00000000077F2000-memory.dmp

      Filesize

      200KB

    • memory/2152-38-0x0000000070B50000-0x0000000070B9C000-memory.dmp

      Filesize

      304KB

    • memory/2152-20-0x0000000005F50000-0x0000000005F72000-memory.dmp

      Filesize

      136KB

    • memory/2152-49-0x0000000007800000-0x00000000078A3000-memory.dmp

      Filesize

      652KB

    • memory/2152-50-0x0000000008150000-0x00000000087CA000-memory.dmp

      Filesize

      6.5MB

    • memory/2152-51-0x0000000007B00000-0x0000000007B1A000-memory.dmp

      Filesize

      104KB

    • memory/2152-52-0x0000000007B70000-0x0000000007B7A000-memory.dmp

      Filesize

      40KB

    • memory/2152-53-0x0000000007DA0000-0x0000000007E36000-memory.dmp

      Filesize

      600KB

    • memory/2152-54-0x0000000007D20000-0x0000000007D31000-memory.dmp

      Filesize

      68KB

    • memory/2152-55-0x0000000007D50000-0x0000000007D5E000-memory.dmp

      Filesize

      56KB

    • memory/2152-56-0x0000000007D60000-0x0000000007D74000-memory.dmp

      Filesize

      80KB

    • memory/2152-57-0x0000000007E60000-0x0000000007E7A000-memory.dmp

      Filesize

      104KB

    • memory/2152-58-0x0000000007E40000-0x0000000007E48000-memory.dmp

      Filesize

      32KB

    • memory/2152-61-0x0000000074ED0000-0x0000000075680000-memory.dmp

      Filesize

      7.7MB

    • memory/2152-14-0x0000000005210000-0x0000000005246000-memory.dmp

      Filesize

      216KB