Analysis

  • max time kernel
    136s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/08/2024, 01:44

General

  • Target

    82903347dce74dade6fe581fa776ac312af0bdf508c42b66a36c09ea439c1bbd.exe

  • Size

    661KB

  • MD5

    f00b2621ba35e3cb7e4eccf8b9dc6328

  • SHA1

    4d56f4cc97feaa2a0811814a2e0df436d1ccc2e0

  • SHA256

    82903347dce74dade6fe581fa776ac312af0bdf508c42b66a36c09ea439c1bbd

  • SHA512

    846b7898bedbb896a15b281a33c37de690319a68085822e26cdc3648505bec3f59a6d670cff80fc1f79ed084adfe07e80d963e72d71cd4f5df25fdc98fbf145c

  • SSDEEP

    12288:znPmsw4E9d7xzFoitQVJsK5qIoEFMz5xrZcyG4Z5Sn2lCm3N:qXdftQIKa5xFcyGQeq3N

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.showpiece.trillennium.biz
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    3KJ[T.3]fsSW

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 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 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\82903347dce74dade6fe581fa776ac312af0bdf508c42b66a36c09ea439c1bbd.exe
    "C:\Users\Admin\AppData\Local\Temp\82903347dce74dade6fe581fa776ac312af0bdf508c42b66a36c09ea439c1bbd.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:412
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\DfGWPm.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:920
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DfGWPm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB391.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2316
    • C:\Users\Admin\AppData\Local\Temp\82903347dce74dade6fe581fa776ac312af0bdf508c42b66a36c09ea439c1bbd.exe
      "C:\Users\Admin\AppData\Local\Temp\82903347dce74dade6fe581fa776ac312af0bdf508c42b66a36c09ea439c1bbd.exe"
      2⤵
        PID:3720
      • C:\Users\Admin\AppData\Local\Temp\82903347dce74dade6fe581fa776ac312af0bdf508c42b66a36c09ea439c1bbd.exe
        "C:\Users\Admin\AppData\Local\Temp\82903347dce74dade6fe581fa776ac312af0bdf508c42b66a36c09ea439c1bbd.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:5076

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\82903347dce74dade6fe581fa776ac312af0bdf508c42b66a36c09ea439c1bbd.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ofbp1zf3.453.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpB391.tmp

      Filesize

      1KB

      MD5

      d3ee6f0948a575810c8ca74c5819ef59

      SHA1

      04dedaca3d05904155baa662c86b448c16c57c1d

      SHA256

      9319cbc55488ee8adfc9c3366058387f96e08c03d5305c07c090cf593b8c5a66

      SHA512

      9ffd5939cb047f30448c6db35c1a0143d2f2ebf6c4f85c95d4a77446d7e26e4969ecd829cffbe1e32a46da5ea9d0649a14bc1bccd4d7b4f997644c3f50c5d492

    • memory/412-8-0x00000000746EE000-0x00000000746EF000-memory.dmp

      Filesize

      4KB

    • memory/412-4-0x00000000746E0000-0x0000000074E90000-memory.dmp

      Filesize

      7.7MB

    • memory/412-5-0x0000000005270000-0x000000000527A000-memory.dmp

      Filesize

      40KB

    • memory/412-6-0x00000000068D0000-0x0000000006978000-memory.dmp

      Filesize

      672KB

    • memory/412-7-0x0000000006980000-0x0000000006998000-memory.dmp

      Filesize

      96KB

    • memory/412-3-0x00000000052F0000-0x0000000005382000-memory.dmp

      Filesize

      584KB

    • memory/412-9-0x00000000746E0000-0x0000000074E90000-memory.dmp

      Filesize

      7.7MB

    • memory/412-10-0x0000000006570000-0x00000000065F2000-memory.dmp

      Filesize

      520KB

    • memory/412-11-0x0000000008D00000-0x0000000008D9C000-memory.dmp

      Filesize

      624KB

    • memory/412-0-0x00000000746EE000-0x00000000746EF000-memory.dmp

      Filesize

      4KB

    • memory/412-2-0x0000000005990000-0x0000000005F34000-memory.dmp

      Filesize

      5.6MB

    • memory/412-33-0x00000000746E0000-0x0000000074E90000-memory.dmp

      Filesize

      7.7MB

    • memory/412-1-0x00000000007C0000-0x000000000086C000-memory.dmp

      Filesize

      688KB

    • memory/920-32-0x00000000746E0000-0x0000000074E90000-memory.dmp

      Filesize

      7.7MB

    • memory/920-53-0x0000000006E80000-0x0000000006E9E000-memory.dmp

      Filesize

      120KB

    • memory/920-25-0x0000000005970000-0x00000000059D6000-memory.dmp

      Filesize

      408KB

    • memory/920-20-0x00000000746E0000-0x0000000074E90000-memory.dmp

      Filesize

      7.7MB

    • memory/920-19-0x0000000005A80000-0x00000000060A8000-memory.dmp

      Filesize

      6.2MB

    • memory/920-18-0x00000000746E0000-0x0000000074E90000-memory.dmp

      Filesize

      7.7MB

    • memory/920-16-0x0000000002F70000-0x0000000002FA6000-memory.dmp

      Filesize

      216KB

    • memory/920-34-0x0000000006260000-0x00000000065B4000-memory.dmp

      Filesize

      3.3MB

    • memory/920-26-0x00000000060B0000-0x0000000006116000-memory.dmp

      Filesize

      408KB

    • memory/920-23-0x00000000058D0000-0x00000000058F2000-memory.dmp

      Filesize

      136KB

    • memory/920-67-0x00000000746E0000-0x0000000074E90000-memory.dmp

      Filesize

      7.7MB

    • memory/920-40-0x0000000006880000-0x000000000689E000-memory.dmp

      Filesize

      120KB

    • memory/920-41-0x0000000006910000-0x000000000695C000-memory.dmp

      Filesize

      304KB

    • memory/920-42-0x0000000006E30000-0x0000000006E62000-memory.dmp

      Filesize

      200KB

    • memory/920-43-0x0000000070770000-0x00000000707BC000-memory.dmp

      Filesize

      304KB

    • memory/920-63-0x0000000007EC0000-0x0000000007EC8000-memory.dmp

      Filesize

      32KB

    • memory/920-54-0x0000000007870000-0x0000000007913000-memory.dmp

      Filesize

      652KB

    • memory/920-55-0x00000000081F0000-0x000000000886A000-memory.dmp

      Filesize

      6.5MB

    • memory/920-56-0x0000000007BA0000-0x0000000007BBA000-memory.dmp

      Filesize

      104KB

    • memory/920-57-0x0000000007C10000-0x0000000007C1A000-memory.dmp

      Filesize

      40KB

    • memory/920-58-0x0000000007E20000-0x0000000007EB6000-memory.dmp

      Filesize

      600KB

    • memory/920-59-0x0000000007DA0000-0x0000000007DB1000-memory.dmp

      Filesize

      68KB

    • memory/920-60-0x0000000007DD0000-0x0000000007DDE000-memory.dmp

      Filesize

      56KB

    • memory/920-61-0x0000000007DE0000-0x0000000007DF4000-memory.dmp

      Filesize

      80KB

    • memory/920-62-0x0000000007EE0000-0x0000000007EFA000-memory.dmp

      Filesize

      104KB

    • memory/5076-21-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/5076-64-0x00000000066E0000-0x0000000006730000-memory.dmp

      Filesize

      320KB

    • memory/5076-39-0x00000000746E0000-0x0000000074E90000-memory.dmp

      Filesize

      7.7MB

    • memory/5076-68-0x00000000746E0000-0x0000000074E90000-memory.dmp

      Filesize

      7.7MB