Analysis

  • max time kernel
    135s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01-11-2024 16:21

General

  • Target

    f17a45c8b3ac9adf1a66dfa1b27e62e433adfaabcd36ba52deac1e7c00699f47.exe

  • Size

    1.5MB

  • MD5

    0a3235126ffdfe6e847946d2eb23c03e

  • SHA1

    2a00f21b2d1adc51c3fd9c39054317c6d88f349d

  • SHA256

    f17a45c8b3ac9adf1a66dfa1b27e62e433adfaabcd36ba52deac1e7c00699f47

  • SHA512

    b642e1be2a26ee20ee8d859535a6afe04640f707090461764f7b563ab6d12bb36bd78b44d0462bfde4271e2c6031124d31595358382d56c679077774072259d9

  • SSDEEP

    12288:m2T93/oterg2+h1QQEroi+YoaUqd+u/2f:P372EMj6Uqd+u+

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Agenttesla family
  • Detect Xworm Payload 23 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • 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.

  • Drops startup file 3 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 3 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 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 8 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 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 51 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f17a45c8b3ac9adf1a66dfa1b27e62e433adfaabcd36ba52deac1e7c00699f47.exe
    "C:\Users\Admin\AppData\Local\Temp\f17a45c8b3ac9adf1a66dfa1b27e62e433adfaabcd36ba52deac1e7c00699f47.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2384
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe"
      2⤵
        PID:2052
      • C:\Program Files (x86)\Windows Mail\wab.exe
        "C:\Program Files (x86)\Windows Mail\wab.exe"
        2⤵
        • Drops startup file
        • Loads dropped DLL
        • Accesses Microsoft Outlook profiles
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        • outlook_office_path
        • outlook_win_path
        PID:2268
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XClient" /tr "C:\Users\Admin\AppData\Roaming\XClient.exe"
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:1528
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\ACCApi'
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1052
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /tn AccSys /tr "C:\Users\Admin\AppData\Roaming\ACCApi\apihost.exe" /st 16:38 /du 23:59 /sc daily /ri 1 /f
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:2944
        • C:\Users\Admin\AppData\Roaming\ACCApi\apihost.exe
          "C:\Users\Admin\AppData\Roaming\ACCApi\apihost.exe"
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:2396
      • C:\Program Files (x86)\Windows Mail\wab.exe
        "C:\Program Files (x86)\Windows Mail\wab.exe"
        2⤵
          PID:2760
      • C:\Windows\system32\taskeng.exe
        taskeng.exe {33D73C66-EEDD-4137-AEB2-4312BAA97A61} S-1-5-21-2872745919-2748461613-2989606286-1000:CCJBVTGQ\Admin:Interactive:[1]
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:924
        • C:\Users\Admin\AppData\Roaming\XClient.exe
          C:\Users\Admin\AppData\Roaming\XClient.exe
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:2324
        • C:\Users\Admin\AppData\Roaming\XClient.exe
          C:\Users\Admin\AppData\Roaming\XClient.exe
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:1820
        • C:\Users\Admin\AppData\Roaming\XClient.exe
          C:\Users\Admin\AppData\Roaming\XClient.exe
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:3008

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • \Users\Admin\AppData\Roaming\XClient.exe

        Filesize

        504KB

        MD5

        ef162817c730db9355f6c28f2445d206

        SHA1

        cd8dc9ece1cd52447921afa483c81617b021ecb3

        SHA256

        84ac974bf163a6eb540744435fd65adc951ecf1bff77dba7d2b5d9f389e1dad7

        SHA512

        0725dabbaa77acb18ed5e237ea1126d65f53fe58a0c6bed5aca07f24df168381476ea02c67195febfcd19c56feb82ec9a64876382ea98528b81da857f76bc0c1

      • memory/2052-10-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2052-6-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2052-8-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2052-4-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2052-12-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2268-50-0x00000000009C0000-0x00000000009DD000-memory.dmp

        Filesize

        116KB

      • memory/2268-46-0x00000000009C0000-0x00000000009DD000-memory.dmp

        Filesize

        116KB

      • memory/2268-247-0x00000000740C0000-0x00000000747AE000-memory.dmp

        Filesize

        6.9MB

      • memory/2268-25-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2268-28-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2268-27-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2268-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2268-235-0x0000000000AE0000-0x0000000000AEE000-memory.dmp

        Filesize

        56KB

      • memory/2268-30-0x00000000740CE000-0x00000000740CF000-memory.dmp

        Filesize

        4KB

      • memory/2268-31-0x0000000000830000-0x0000000000854000-memory.dmp

        Filesize

        144KB

      • memory/2268-33-0x00000000740C0000-0x00000000747AE000-memory.dmp

        Filesize

        6.9MB

      • memory/2268-32-0x00000000740C0000-0x00000000747AE000-memory.dmp

        Filesize

        6.9MB

      • memory/2268-34-0x00000000009C0000-0x00000000009E2000-memory.dmp

        Filesize

        136KB

      • memory/2268-38-0x00000000009C0000-0x00000000009DD000-memory.dmp

        Filesize

        116KB

      • memory/2268-36-0x00000000009C0000-0x00000000009DD000-memory.dmp

        Filesize

        116KB

      • memory/2268-35-0x00000000009C0000-0x00000000009DD000-memory.dmp

        Filesize

        116KB

      • memory/2268-40-0x00000000009C0000-0x00000000009DD000-memory.dmp

        Filesize

        116KB

      • memory/2268-42-0x00000000009C0000-0x00000000009DD000-memory.dmp

        Filesize

        116KB

      • memory/2268-54-0x00000000009C0000-0x00000000009DD000-memory.dmp

        Filesize

        116KB

      • memory/2268-52-0x00000000009C0000-0x00000000009DD000-memory.dmp

        Filesize

        116KB

      • memory/2268-236-0x000000002F680000-0x000000002F9D0000-memory.dmp

        Filesize

        3.3MB

      • memory/2268-56-0x00000000009C0000-0x00000000009DD000-memory.dmp

        Filesize

        116KB

      • memory/2268-48-0x00000000009C0000-0x00000000009DD000-memory.dmp

        Filesize

        116KB

      • memory/2268-229-0x00000000740C0000-0x00000000747AE000-memory.dmp

        Filesize

        6.9MB

      • memory/2268-44-0x00000000009C0000-0x00000000009DD000-memory.dmp

        Filesize

        116KB

      • memory/2268-58-0x00000000009C0000-0x00000000009DD000-memory.dmp

        Filesize

        116KB

      • memory/2268-60-0x00000000009C0000-0x00000000009DD000-memory.dmp

        Filesize

        116KB

      • memory/2268-62-0x00000000009C0000-0x00000000009DD000-memory.dmp

        Filesize

        116KB

      • memory/2268-64-0x00000000009C0000-0x00000000009DD000-memory.dmp

        Filesize

        116KB

      • memory/2268-74-0x00000000009C0000-0x00000000009DD000-memory.dmp

        Filesize

        116KB

      • memory/2268-72-0x00000000009C0000-0x00000000009DD000-memory.dmp

        Filesize

        116KB

      • memory/2268-70-0x00000000009C0000-0x00000000009DD000-memory.dmp

        Filesize

        116KB

      • memory/2268-68-0x00000000009C0000-0x00000000009DD000-memory.dmp

        Filesize

        116KB

      • memory/2268-66-0x00000000009C0000-0x00000000009DD000-memory.dmp

        Filesize

        116KB

      • memory/2268-228-0x0000000004D50000-0x0000000004D6E000-memory.dmp

        Filesize

        120KB

      • memory/2268-220-0x00000000740C0000-0x00000000747AE000-memory.dmp

        Filesize

        6.9MB

      • memory/2268-221-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2268-222-0x00000000740CE000-0x00000000740CF000-memory.dmp

        Filesize

        4KB

      • memory/2268-223-0x00000000740C0000-0x00000000747AE000-memory.dmp

        Filesize

        6.9MB

      • memory/2268-226-0x0000000005580000-0x00000000055C4000-memory.dmp

        Filesize

        272KB

      • memory/2268-227-0x0000000002300000-0x0000000002318000-memory.dmp

        Filesize

        96KB

      • memory/2384-1-0x0000000000E30000-0x0000000000E44000-memory.dmp

        Filesize

        80KB

      • memory/2384-3-0x000007FEF5920000-0x000007FEF630C000-memory.dmp

        Filesize

        9.9MB

      • memory/2384-0-0x000007FEF5923000-0x000007FEF5924000-memory.dmp

        Filesize

        4KB

      • memory/2384-29-0x000007FEF5920000-0x000007FEF630C000-memory.dmp

        Filesize

        9.9MB

      • memory/2384-2-0x0000000000C00000-0x0000000000C8A000-memory.dmp

        Filesize

        552KB