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Analysis

  • max time kernel
    142s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/06/2024, 11:43

General

  • Target

    SOA MAY.exe

  • Size

    749KB

  • MD5

    e25710d9677226ae6906c196b940240b

  • SHA1

    91afe48137e3fe0658d931042bc935e3cc7a31dc

  • SHA256

    4945386dd90b6b092bd13414fe19d0a296ce17f0822632a6b6567252f692cef5

  • SHA512

    86f867250db2d0ca959ff1126d02fa48bfef0f2ae1809bec482e6484c5d8a20073e9922322c50d36c566c31bb6b6fcad19357de5b1f0f7e56100d51cc43913f3

  • SSDEEP

    12288:YQdXtfETzvqwVlfEvf3xCotBH1G3Xae8lBti30S/S1jdAuJkR:Zd92zvqwVlfEH3x/VAKe8lBokSa1xAD

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.sibasultrasonics.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Ken@321$MD

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 2 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
  • 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).

  • 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 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SOA MAY.exe
    "C:\Users\Admin\AppData\Local\Temp\SOA MAY.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1600
    • 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\SOA MAY.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4056
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\kxyfEt.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4204
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kxyfEt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3459.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3960
    • C:\Users\Admin\AppData\Local\Temp\SOA MAY.exe
      "C:\Users\Admin\AppData\Local\Temp\SOA MAY.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3640
  • 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=2232 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4804

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      18KB

      MD5

      a421bfa37094e0c88778ec6c6dc3a013

      SHA1

      2534e5d10900fee32e1fe6539784a2020ecd0bf2

      SHA256

      d179b6f64b3f6b6e29c658b87710b02aa9e4441f8409b113a445e517152b0d03

      SHA512

      081437e28ac841125b4995347610f1c4b3acf6bfc3b0e688c7418ecbc945ad7063f5a22da77eedb54f3aa6df35703db144670ddd9a627cf37389994dc7057268

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2vp1o3gg.jkm.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp3459.tmp

      Filesize

      1KB

      MD5

      d0451d6bccbd542dbe5bb4c397db7f4f

      SHA1

      c9b8add9ba0f51089674032785826608d03b8e68

      SHA256

      a5526839b3259318d49682efc0df726b914edd908f602751377cc69316107d2f

      SHA512

      361a706221c0d9fd3dbb995ebf1be2fae2ea7260b759d0cabb73ae77488c69b7b2c826fc4373d8bb569a459f0410221e62de20d49b961d9f5315f39db5f56896

    • memory/1600-8-0x0000000006D50000-0x0000000006DD4000-memory.dmp

      Filesize

      528KB

    • memory/1600-2-0x0000000005610000-0x0000000005BB4000-memory.dmp

      Filesize

      5.6MB

    • memory/1600-6-0x00000000069E0000-0x00000000069FA000-memory.dmp

      Filesize

      104KB

    • memory/1600-7-0x0000000006A00000-0x0000000006A10000-memory.dmp

      Filesize

      64KB

    • memory/1600-5-0x0000000005210000-0x000000000521A000-memory.dmp

      Filesize

      40KB

    • memory/1600-9-0x0000000009410000-0x00000000094AC000-memory.dmp

      Filesize

      624KB

    • memory/1600-4-0x00000000744E0000-0x0000000074C90000-memory.dmp

      Filesize

      7.7MB

    • memory/1600-1-0x0000000000300000-0x00000000003BC000-memory.dmp

      Filesize

      752KB

    • memory/1600-14-0x00000000744EE000-0x00000000744EF000-memory.dmp

      Filesize

      4KB

    • memory/1600-0-0x00000000744EE000-0x00000000744EF000-memory.dmp

      Filesize

      4KB

    • memory/1600-3-0x0000000005150000-0x00000000051E2000-memory.dmp

      Filesize

      584KB

    • memory/1600-19-0x00000000744E0000-0x0000000074C90000-memory.dmp

      Filesize

      7.7MB

    • memory/1600-30-0x00000000744E0000-0x0000000074C90000-memory.dmp

      Filesize

      7.7MB

    • memory/3640-25-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/3640-80-0x00000000066D0000-0x0000000006720000-memory.dmp

      Filesize

      320KB

    • memory/4056-77-0x0000000007E90000-0x000000000850A000-memory.dmp

      Filesize

      6.5MB

    • memory/4056-76-0x0000000007760000-0x0000000007803000-memory.dmp

      Filesize

      652KB

    • memory/4056-92-0x00000000744E0000-0x0000000074C90000-memory.dmp

      Filesize

      7.7MB

    • memory/4056-12-0x00000000744E0000-0x0000000074C90000-memory.dmp

      Filesize

      7.7MB

    • memory/4056-87-0x00000000744E0000-0x0000000074C90000-memory.dmp

      Filesize

      7.7MB

    • memory/4056-85-0x0000000007B40000-0x0000000007B5A000-memory.dmp

      Filesize

      104KB

    • memory/4056-20-0x00000000055F0000-0x0000000005C18000-memory.dmp

      Filesize

      6.2MB

    • memory/4056-31-0x0000000005C90000-0x0000000005CF6000-memory.dmp

      Filesize

      408KB

    • memory/4056-17-0x00000000744E0000-0x0000000074C90000-memory.dmp

      Filesize

      7.7MB

    • memory/4056-42-0x0000000005ED0000-0x0000000006224000-memory.dmp

      Filesize

      3.3MB

    • memory/4056-51-0x0000000006250000-0x000000000626E000-memory.dmp

      Filesize

      120KB

    • memory/4056-84-0x0000000007A40000-0x0000000007A54000-memory.dmp

      Filesize

      80KB

    • memory/4056-83-0x0000000007A30000-0x0000000007A3E000-memory.dmp

      Filesize

      56KB

    • memory/4056-13-0x0000000002BC0000-0x0000000002BF6000-memory.dmp

      Filesize

      216KB

    • memory/4056-79-0x0000000007870000-0x000000000787A000-memory.dmp

      Filesize

      40KB

    • memory/4056-15-0x00000000744E0000-0x0000000074C90000-memory.dmp

      Filesize

      7.7MB

    • memory/4056-54-0x00000000701E0000-0x000000007022C000-memory.dmp

      Filesize

      304KB

    • memory/4204-53-0x00000000073B0000-0x00000000073E2000-memory.dmp

      Filesize

      200KB

    • memory/4204-22-0x00000000744E0000-0x0000000074C90000-memory.dmp

      Filesize

      7.7MB

    • memory/4204-75-0x0000000006990000-0x00000000069AE000-memory.dmp

      Filesize

      120KB

    • memory/4204-56-0x00000000701E0000-0x000000007022C000-memory.dmp

      Filesize

      304KB

    • memory/4204-81-0x0000000007970000-0x0000000007A06000-memory.dmp

      Filesize

      600KB

    • memory/4204-82-0x00000000078F0000-0x0000000007901000-memory.dmp

      Filesize

      68KB

    • memory/4204-29-0x0000000005A00000-0x0000000005A66000-memory.dmp

      Filesize

      408KB

    • memory/4204-24-0x00000000744E0000-0x0000000074C90000-memory.dmp

      Filesize

      7.7MB

    • memory/4204-78-0x00000000076F0000-0x000000000770A000-memory.dmp

      Filesize

      104KB

    • memory/4204-86-0x0000000007A10000-0x0000000007A18000-memory.dmp

      Filesize

      32KB

    • memory/4204-28-0x00000000052C0000-0x00000000052E2000-memory.dmp

      Filesize

      136KB

    • memory/4204-21-0x00000000744E0000-0x0000000074C90000-memory.dmp

      Filesize

      7.7MB

    • memory/4204-52-0x0000000006460000-0x00000000064AC000-memory.dmp

      Filesize

      304KB

    • memory/4204-93-0x00000000744E0000-0x0000000074C90000-memory.dmp

      Filesize

      7.7MB