Analysis

  • max time kernel
    132s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 01:05

General

  • Target

    0d8d3c58ed2996ce243b68034817ded7fc06e4bd2a79e367f72f2020a35214d5.exe

  • Size

    758KB

  • MD5

    793bcb19f56e8ffbb2df4f0cf09e6989

  • SHA1

    36a6f3001ccb22e2a542fc190ca2187f0a170e8c

  • SHA256

    0d8d3c58ed2996ce243b68034817ded7fc06e4bd2a79e367f72f2020a35214d5

  • SHA512

    79dadb42684d8a10d5c2269149462e4647f2ada4eb2d6ef7a0c571d6a89a2dfd87fba1e1b9a50b5078fa3cdffb582b27160aa6024f9518ade893daf8e94c7735

  • SSDEEP

    12288:LIcWET/mr9K+22BEEzFatnZ4SK408Jr0C0hmm/SJQvtK8MNAVsCvCRPTNDD6/IhG:xWtb3BEBx70hm2sQvtK8nswCRPZDO/xz

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.manpowerchannel.com.sg
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    plyj183005

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
  • 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).

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0d8d3c58ed2996ce243b68034817ded7fc06e4bd2a79e367f72f2020a35214d5.exe
    "C:\Users\Admin\AppData\Local\Temp\0d8d3c58ed2996ce243b68034817ded7fc06e4bd2a79e367f72f2020a35214d5.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3732
    • 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\0d8d3c58ed2996ce243b68034817ded7fc06e4bd2a79e367f72f2020a35214d5.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3484
    • C:\Users\Admin\AppData\Local\Temp\0d8d3c58ed2996ce243b68034817ded7fc06e4bd2a79e367f72f2020a35214d5.exe
      "C:\Users\Admin\AppData\Local\Temp\0d8d3c58ed2996ce243b68034817ded7fc06e4bd2a79e367f72f2020a35214d5.exe"
      2⤵
        PID:1288
      • C:\Users\Admin\AppData\Local\Temp\0d8d3c58ed2996ce243b68034817ded7fc06e4bd2a79e367f72f2020a35214d5.exe
        "C:\Users\Admin\AppData\Local\Temp\0d8d3c58ed2996ce243b68034817ded7fc06e4bd2a79e367f72f2020a35214d5.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1988
    • 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 --field-trial-handle=3744,i,1697479186275492802,18058102846092193784,262144 --variations-seed-version --mojo-platform-channel-handle=3148 /prefetch:8
      1⤵
        PID:1188

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\0d8d3c58ed2996ce243b68034817ded7fc06e4bd2a79e367f72f2020a35214d5.exe.log

        Filesize

        1KB

        MD5

        8ec831f3e3a3f77e4a7b9cd32b48384c

        SHA1

        d83f09fd87c5bd86e045873c231c14836e76a05c

        SHA256

        7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

        SHA512

        26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tytpmams.rfk.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • memory/1988-62-0x00000000750C0000-0x0000000075870000-memory.dmp

        Filesize

        7.7MB

      • memory/1988-56-0x0000000006820000-0x0000000006870000-memory.dmp

        Filesize

        320KB

      • memory/1988-17-0x0000000005090000-0x00000000050F6000-memory.dmp

        Filesize

        408KB

      • memory/1988-16-0x00000000750C0000-0x0000000075870000-memory.dmp

        Filesize

        7.7MB

      • memory/1988-14-0x00000000750C0000-0x0000000075870000-memory.dmp

        Filesize

        7.7MB

      • memory/1988-11-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/3484-48-0x0000000007050000-0x00000000070F3000-memory.dmp

        Filesize

        652KB

      • memory/3484-34-0x0000000005E70000-0x0000000005E8E000-memory.dmp

        Filesize

        120KB

      • memory/3484-61-0x00000000750C0000-0x0000000075870000-memory.dmp

        Filesize

        7.7MB

      • memory/3484-58-0x00000000074B0000-0x00000000074B8000-memory.dmp

        Filesize

        32KB

      • memory/3484-57-0x00000000074D0000-0x00000000074EA000-memory.dmp

        Filesize

        104KB

      • memory/3484-55-0x00000000073D0000-0x00000000073E4000-memory.dmp

        Filesize

        80KB

      • memory/3484-54-0x00000000073C0000-0x00000000073CE000-memory.dmp

        Filesize

        56KB

      • memory/3484-53-0x0000000007390000-0x00000000073A1000-memory.dmp

        Filesize

        68KB

      • memory/3484-52-0x0000000007410000-0x00000000074A6000-memory.dmp

        Filesize

        600KB

      • memory/3484-18-0x00000000750C0000-0x0000000075870000-memory.dmp

        Filesize

        7.7MB

      • memory/3484-19-0x0000000000C80000-0x0000000000CB6000-memory.dmp

        Filesize

        216KB

      • memory/3484-20-0x00000000052C0000-0x00000000058E8000-memory.dmp

        Filesize

        6.2MB

      • memory/3484-22-0x0000000004F50000-0x0000000004FB6000-memory.dmp

        Filesize

        408KB

      • memory/3484-21-0x0000000004EB0000-0x0000000004ED2000-memory.dmp

        Filesize

        136KB

      • memory/3484-51-0x0000000007200000-0x000000000720A000-memory.dmp

        Filesize

        40KB

      • memory/3484-23-0x00000000750C0000-0x0000000075870000-memory.dmp

        Filesize

        7.7MB

      • memory/3484-33-0x00000000058F0000-0x0000000005C44000-memory.dmp

        Filesize

        3.3MB

      • memory/3484-50-0x0000000007190000-0x00000000071AA000-memory.dmp

        Filesize

        104KB

      • memory/3484-35-0x0000000005F20000-0x0000000005F6C000-memory.dmp

        Filesize

        304KB

      • memory/3484-36-0x0000000006430000-0x0000000006462000-memory.dmp

        Filesize

        200KB

      • memory/3484-37-0x0000000070D20000-0x0000000070D6C000-memory.dmp

        Filesize

        304KB

      • memory/3484-47-0x0000000006470000-0x000000000648E000-memory.dmp

        Filesize

        120KB

      • memory/3484-49-0x00000000077D0000-0x0000000007E4A000-memory.dmp

        Filesize

        6.5MB

      • memory/3732-0-0x00000000750CE000-0x00000000750CF000-memory.dmp

        Filesize

        4KB

      • memory/3732-9-0x00000000064D0000-0x0000000006552000-memory.dmp

        Filesize

        520KB

      • memory/3732-3-0x0000000005050000-0x00000000050E2000-memory.dmp

        Filesize

        584KB

      • memory/3732-4-0x0000000004FF0000-0x0000000004FFA000-memory.dmp

        Filesize

        40KB

      • memory/3732-5-0x00000000750C0000-0x0000000075870000-memory.dmp

        Filesize

        7.7MB

      • memory/3732-15-0x00000000750C0000-0x0000000075870000-memory.dmp

        Filesize

        7.7MB

      • memory/3732-6-0x0000000005420000-0x0000000005442000-memory.dmp

        Filesize

        136KB

      • memory/3732-2-0x0000000005560000-0x0000000005B04000-memory.dmp

        Filesize

        5.6MB

      • memory/3732-7-0x0000000005030000-0x000000000503C000-memory.dmp

        Filesize

        48KB

      • memory/3732-8-0x0000000000F70000-0x0000000000F80000-memory.dmp

        Filesize

        64KB

      • memory/3732-10-0x00000000107C0000-0x000000001085C000-memory.dmp

        Filesize

        624KB

      • memory/3732-1-0x0000000000510000-0x00000000005D4000-memory.dmp

        Filesize

        784KB