Analysis

  • max time kernel
    143s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-06-2024 01:00

General

  • Target

    Invoice to JH-202304180001.exe

  • Size

    1022KB

  • MD5

    9c37c66c98472fa368e39fefbef31906

  • SHA1

    ca669cb8ad948f50ed48c94e573a777f2675674f

  • SHA256

    7e9ace80bb54631d6c392281fe75cf4e1b171aebbcc863b7e72054931bde64c8

  • SHA512

    adcf9220492402846db88a846ec0a22cbf48b26802ef32a04ca15b86b2a639de9bc6ef9e06bdd1eaca734e33322a0d1423088b5d18f90aed878edef8009d5993

  • SSDEEP

    12288:KMYeaky/Qa0KP1x+kPwu9JXsYGKt/rFfaeX1osP6VAWhc1U233Vtm8Lm3qipIPxg:KMYeuN5iooZVAFb3lNCD6FzCBs+VES

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.mapsenzymes.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Andx4@HE73!n

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.

  • 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 17 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Invoice to JH-202304180001.exe
    "C:\Users\Admin\AppData\Local\Temp\Invoice to JH-202304180001.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1572
    • 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\Invoice to JH-202304180001.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2528
    • C:\Users\Admin\AppData\Local\Temp\Invoice to JH-202304180001.exe
      "C:\Users\Admin\AppData\Local\Temp\Invoice to JH-202304180001.exe"
      2⤵
        PID:1548
      • C:\Users\Admin\AppData\Local\Temp\Invoice to JH-202304180001.exe
        "C:\Users\Admin\AppData\Local\Temp\Invoice to JH-202304180001.exe"
        2⤵
          PID:2552
        • C:\Users\Admin\AppData\Local\Temp\Invoice to JH-202304180001.exe
          "C:\Users\Admin\AppData\Local\Temp\Invoice to JH-202304180001.exe"
          2⤵
            PID:3304
          • C:\Users\Admin\AppData\Local\Temp\Invoice to JH-202304180001.exe
            "C:\Users\Admin\AppData\Local\Temp\Invoice to JH-202304180001.exe"
            2⤵
            • Adds Run key to start application
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3980
        • 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=3820 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:8
          1⤵
            PID:4976

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jybywlr3.l3f.ps1

            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

          • memory/1572-6-0x0000000004EB0000-0x0000000004EBA000-memory.dmp

            Filesize

            40KB

          • memory/1572-8-0x0000000074E4E000-0x0000000074E4F000-memory.dmp

            Filesize

            4KB

          • memory/1572-3-0x0000000004D90000-0x0000000004E22000-memory.dmp

            Filesize

            584KB

          • memory/1572-4-0x0000000005850000-0x0000000005BA4000-memory.dmp

            Filesize

            3.3MB

          • memory/1572-5-0x0000000074E40000-0x00000000755F0000-memory.dmp

            Filesize

            7.7MB

          • memory/1572-20-0x0000000074E40000-0x00000000755F0000-memory.dmp

            Filesize

            7.7MB

          • memory/1572-7-0x00000000051C0000-0x00000000051D6000-memory.dmp

            Filesize

            88KB

          • memory/1572-2-0x00000000052A0000-0x0000000005844000-memory.dmp

            Filesize

            5.6MB

          • memory/1572-9-0x00000000051E0000-0x00000000051EE000-memory.dmp

            Filesize

            56KB

          • memory/1572-10-0x00000000051F0000-0x0000000005200000-memory.dmp

            Filesize

            64KB

          • memory/1572-11-0x0000000006860000-0x00000000068E4000-memory.dmp

            Filesize

            528KB

          • memory/1572-12-0x0000000008F50000-0x0000000008FEC000-memory.dmp

            Filesize

            624KB

          • memory/1572-1-0x0000000000210000-0x0000000000312000-memory.dmp

            Filesize

            1.0MB

          • memory/1572-0-0x0000000074E4E000-0x0000000074E4F000-memory.dmp

            Filesize

            4KB

          • memory/2528-23-0x0000000005920000-0x0000000005F48000-memory.dmp

            Filesize

            6.2MB

          • memory/2528-39-0x0000000006E30000-0x0000000006E62000-memory.dmp

            Filesize

            200KB

          • memory/2528-18-0x0000000074E40000-0x00000000755F0000-memory.dmp

            Filesize

            7.7MB

          • memory/2528-64-0x0000000074E40000-0x00000000755F0000-memory.dmp

            Filesize

            7.7MB

          • memory/2528-17-0x0000000005270000-0x00000000052A6000-memory.dmp

            Filesize

            216KB

          • memory/2528-61-0x0000000007E70000-0x0000000007E78000-memory.dmp

            Filesize

            32KB

          • memory/2528-22-0x0000000074E40000-0x00000000755F0000-memory.dmp

            Filesize

            7.7MB

          • memory/2528-60-0x0000000007E90000-0x0000000007EAA000-memory.dmp

            Filesize

            104KB

          • memory/2528-24-0x00000000057B0000-0x00000000057D2000-memory.dmp

            Filesize

            136KB

          • memory/2528-25-0x0000000005850000-0x00000000058B6000-memory.dmp

            Filesize

            408KB

          • memory/2528-59-0x0000000007D90000-0x0000000007DA4000-memory.dmp

            Filesize

            80KB

          • memory/2528-31-0x0000000006230000-0x0000000006584000-memory.dmp

            Filesize

            3.3MB

          • memory/2528-36-0x00000000068B0000-0x00000000068CE000-memory.dmp

            Filesize

            120KB

          • memory/2528-37-0x00000000068E0000-0x000000000692C000-memory.dmp

            Filesize

            304KB

          • memory/2528-40-0x0000000072AC0000-0x0000000072B0C000-memory.dmp

            Filesize

            304KB

          • memory/2528-16-0x0000000074E40000-0x00000000755F0000-memory.dmp

            Filesize

            7.7MB

          • memory/2528-50-0x0000000006DF0000-0x0000000006E0E000-memory.dmp

            Filesize

            120KB

          • memory/2528-58-0x0000000007D80000-0x0000000007D8E000-memory.dmp

            Filesize

            56KB

          • memory/2528-52-0x0000000007890000-0x0000000007933000-memory.dmp

            Filesize

            652KB

          • memory/2528-53-0x00000000081C0000-0x000000000883A000-memory.dmp

            Filesize

            6.5MB

          • memory/2528-54-0x0000000007B60000-0x0000000007B7A000-memory.dmp

            Filesize

            104KB

          • memory/2528-55-0x0000000007BC0000-0x0000000007BCA000-memory.dmp

            Filesize

            40KB

          • memory/2528-56-0x0000000007DD0000-0x0000000007E66000-memory.dmp

            Filesize

            600KB

          • memory/2528-57-0x0000000007D50000-0x0000000007D61000-memory.dmp

            Filesize

            68KB

          • memory/3980-51-0x00000000069B0000-0x0000000006A00000-memory.dmp

            Filesize

            320KB

          • memory/3980-13-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/3980-15-0x0000000074E40000-0x00000000755F0000-memory.dmp

            Filesize

            7.7MB

          • memory/3980-21-0x0000000005AB0000-0x0000000005B16000-memory.dmp

            Filesize

            408KB

          • memory/3980-19-0x0000000074E40000-0x00000000755F0000-memory.dmp

            Filesize

            7.7MB

          • memory/3980-65-0x0000000074E40000-0x00000000755F0000-memory.dmp

            Filesize

            7.7MB