Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 02:13

General

  • Target

    45b86c917ca8bd14d64c4b7afd26c47c65f9a10dd2b0e0a5014d2d4007f0f3c1.exe

  • Size

    746KB

  • MD5

    3255271d080837dc3ca14ca11ce7c4bf

  • SHA1

    c06e970934132dbfaa4f499a0d15daf258da9472

  • SHA256

    45b86c917ca8bd14d64c4b7afd26c47c65f9a10dd2b0e0a5014d2d4007f0f3c1

  • SHA512

    ba51db8aed4454960de4490976ee19cbbfc6c27fa789c1a3f4cde3788e84e6eecf091b8bb18b935a3fb3d5ddd8363a7be04550c659352782b761be046812952f

  • SSDEEP

    12288:uzEn6yWn7fcpVZlu/6uHZJkNY8YIion/EK/76WrwZGX+li4bjL:Bn698VVYZ6J/f/EK/76nGX+lt

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.funworld.co.id
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    fwp123mail

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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 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 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\45b86c917ca8bd14d64c4b7afd26c47c65f9a10dd2b0e0a5014d2d4007f0f3c1.exe
    "C:\Users\Admin\AppData\Local\Temp\45b86c917ca8bd14d64c4b7afd26c47c65f9a10dd2b0e0a5014d2d4007f0f3c1.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4516
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VuEUie.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:368
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VuEUie" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3B00.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1744
    • C:\Users\Admin\AppData\Local\Temp\45b86c917ca8bd14d64c4b7afd26c47c65f9a10dd2b0e0a5014d2d4007f0f3c1.exe
      "C:\Users\Admin\AppData\Local\Temp\45b86c917ca8bd14d64c4b7afd26c47c65f9a10dd2b0e0a5014d2d4007f0f3c1.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3552
  • 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=4220 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:220

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\45b86c917ca8bd14d64c4b7afd26c47c65f9a10dd2b0e0a5014d2d4007f0f3c1.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_txtsyh44.2xs.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp3B00.tmp

      Filesize

      1KB

      MD5

      598234f39feeb269d633e66182a9dc4c

      SHA1

      b395099e2d3cb6ebcb5667e7047a39233e5aa230

      SHA256

      3a70a77dba97cb84e1cc93b653118e55ea2b91d6706805640133b1b75b1e14c5

      SHA512

      1a0506d0d08293f3a70701d3281a5600e9a03fb4e3a075009fb70c1917f4c7dd9abdaa67627dc8b29021ffbc2e30c15b9d70dec9c85ec22abc00d030ef04408c

    • memory/368-55-0x0000000008110000-0x000000000878A000-memory.dmp

      Filesize

      6.5MB

    • memory/368-59-0x0000000007D40000-0x0000000007DD6000-memory.dmp

      Filesize

      600KB

    • memory/368-53-0x0000000006D70000-0x0000000006D8E000-memory.dmp

      Filesize

      120KB

    • memory/368-67-0x0000000074A40000-0x00000000751F0000-memory.dmp

      Filesize

      7.7MB

    • memory/368-64-0x0000000007DE0000-0x0000000007DE8000-memory.dmp

      Filesize

      32KB

    • memory/368-63-0x0000000007E00000-0x0000000007E1A000-memory.dmp

      Filesize

      104KB

    • memory/368-62-0x0000000007D00000-0x0000000007D14000-memory.dmp

      Filesize

      80KB

    • memory/368-29-0x0000000005EC0000-0x0000000005F26000-memory.dmp

      Filesize

      408KB

    • memory/368-15-0x0000000005170000-0x00000000051A6000-memory.dmp

      Filesize

      216KB

    • memory/368-16-0x0000000074A40000-0x00000000751F0000-memory.dmp

      Filesize

      7.7MB

    • memory/368-17-0x0000000074A40000-0x00000000751F0000-memory.dmp

      Filesize

      7.7MB

    • memory/368-61-0x0000000007CF0000-0x0000000007CFE000-memory.dmp

      Filesize

      56KB

    • memory/368-42-0x0000000007970000-0x00000000079A2000-memory.dmp

      Filesize

      200KB

    • memory/368-60-0x0000000007CC0000-0x0000000007CD1000-memory.dmp

      Filesize

      68KB

    • memory/368-43-0x00000000706C0000-0x000000007070C000-memory.dmp

      Filesize

      304KB

    • memory/368-54-0x00000000079B0000-0x0000000007A53000-memory.dmp

      Filesize

      652KB

    • memory/368-58-0x0000000007B40000-0x0000000007B4A000-memory.dmp

      Filesize

      40KB

    • memory/368-41-0x00000000067C0000-0x000000000680C000-memory.dmp

      Filesize

      304KB

    • memory/368-26-0x0000000005740000-0x0000000005762000-memory.dmp

      Filesize

      136KB

    • memory/368-40-0x00000000067A0000-0x00000000067BE000-memory.dmp

      Filesize

      120KB

    • memory/368-20-0x00000000057E0000-0x0000000005E08000-memory.dmp

      Filesize

      6.2MB

    • memory/368-35-0x0000000006150000-0x00000000064A4000-memory.dmp

      Filesize

      3.3MB

    • memory/368-56-0x0000000007AC0000-0x0000000007ADA000-memory.dmp

      Filesize

      104KB

    • memory/3552-57-0x0000000006190000-0x00000000061E0000-memory.dmp

      Filesize

      320KB

    • memory/3552-27-0x00000000053A0000-0x0000000005406000-memory.dmp

      Filesize

      408KB

    • memory/3552-24-0x0000000074A40000-0x00000000751F0000-memory.dmp

      Filesize

      7.7MB

    • memory/3552-21-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/3552-28-0x0000000074A40000-0x00000000751F0000-memory.dmp

      Filesize

      7.7MB

    • memory/3552-68-0x0000000074A40000-0x00000000751F0000-memory.dmp

      Filesize

      7.7MB

    • memory/4516-19-0x0000000074A4E000-0x0000000074A4F000-memory.dmp

      Filesize

      4KB

    • memory/4516-0-0x0000000074A4E000-0x0000000074A4F000-memory.dmp

      Filesize

      4KB

    • memory/4516-5-0x0000000005820000-0x000000000582A000-memory.dmp

      Filesize

      40KB

    • memory/4516-10-0x000000000FBF0000-0x000000000FC8C000-memory.dmp

      Filesize

      624KB

    • memory/4516-25-0x0000000074A40000-0x00000000751F0000-memory.dmp

      Filesize

      7.7MB

    • memory/4516-2-0x0000000005C30000-0x00000000061D4000-memory.dmp

      Filesize

      5.6MB

    • memory/4516-3-0x0000000005680000-0x0000000005712000-memory.dmp

      Filesize

      584KB

    • memory/4516-4-0x0000000074A40000-0x00000000751F0000-memory.dmp

      Filesize

      7.7MB

    • memory/4516-9-0x00000000050A0000-0x0000000005122000-memory.dmp

      Filesize

      520KB

    • memory/4516-8-0x0000000005BE0000-0x0000000005BF0000-memory.dmp

      Filesize

      64KB

    • memory/4516-7-0x00000000059E0000-0x00000000059EC000-memory.dmp

      Filesize

      48KB

    • memory/4516-6-0x0000000005970000-0x0000000005992000-memory.dmp

      Filesize

      136KB

    • memory/4516-1-0x0000000000BD0000-0x0000000000C8E000-memory.dmp

      Filesize

      760KB