Analysis

  • max time kernel
    119s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    31-01-2025 03:51

General

  • Target

    dd1b8e8b32926abb0494c5d426239c7db7b420c7fc5406b6ee3be24e354cbd14.exe

  • Size

    1.0MB

  • MD5

    74422803498dc96c3e7ffe8a6ee002b2

  • SHA1

    9fc446b5cffc9b5dddbd508c0e8b47b611e239d7

  • SHA256

    dd1b8e8b32926abb0494c5d426239c7db7b420c7fc5406b6ee3be24e354cbd14

  • SHA512

    d2f3f0c9f1911f0d313132c0aca437b38f04780aa0fc2a5159bca408fc235dd5a2210390aa50507d94bf823a8df0c0bbf68b60f95be5747e9a645cb8ac2067e1

  • SSDEEP

    12288:zd0NH/DlYD+3ys6ds9+TOipx50R7sac05tE0aLEw4oA4wc7ryDPjHY6ukjhiOGEE:Z0tqD++y9Spxg7sliJ0ERO

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5145135161:AAFnBnjYGtIUE_EwGqQ3-YIV1FOEItrzy8c/

Signatures

  • AgentTesla

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

  • Agenttesla family
  • 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.

  • 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 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 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 5 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dd1b8e8b32926abb0494c5d426239c7db7b420c7fc5406b6ee3be24e354cbd14.exe
    "C:\Users\Admin\AppData\Local\Temp\dd1b8e8b32926abb0494c5d426239c7db7b420c7fc5406b6ee3be24e354cbd14.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2096
    • 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\dd1b8e8b32926abb0494c5d426239c7db7b420c7fc5406b6ee3be24e354cbd14.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2796
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\LejUjhcXbLPX.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2544
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LejUjhcXbLPX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp35C0.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2568
    • C:\Users\Admin\AppData\Local\Temp\dd1b8e8b32926abb0494c5d426239c7db7b420c7fc5406b6ee3be24e354cbd14.exe
      "C:\Users\Admin\AppData\Local\Temp\dd1b8e8b32926abb0494c5d426239c7db7b420c7fc5406b6ee3be24e354cbd14.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1884

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp35C0.tmp

    Filesize

    1KB

    MD5

    f96bc564cc0897e9592b35e7089cb036

    SHA1

    90d82e2861fe5b1c6362977570659b7db582c88b

    SHA256

    c81070b0de7618a6f5fa1393c17b5520476181fe1ebdd1db2306901f43d7e65f

    SHA512

    ec1845239599643242efe80e1f60cd407c39b6d84ebf119fad8b5176e2870d8d5e56301e30d79bb78f02f4aaa7e5f63e3de8e6ed1afd785e0e2155bdb0982282

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    525d0bba1e58a37759c0c16897219403

    SHA1

    0187a9236ff96b340998983aeb3aa61939db9a9e

    SHA256

    dc760d5bef46e09a03accdb3fed5649b056a0cbd8e5ee2e6b7ee8587814dea58

    SHA512

    5987e21914a9f51ea4b17301a3a24e40cffd1262c03019fb1bfb2e1fb5dc108e97c0c7e904869d42c69e2809ccb304345fb6231e96d618686f0d87575488b407

  • memory/1884-25-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1884-28-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1884-29-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1884-30-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1884-21-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1884-23-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1884-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1884-19-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2096-6-0x0000000000490000-0x0000000000504000-memory.dmp

    Filesize

    464KB

  • memory/2096-1-0x0000000001060000-0x0000000001168000-memory.dmp

    Filesize

    1.0MB

  • memory/2096-0-0x0000000074D5E000-0x0000000074D5F000-memory.dmp

    Filesize

    4KB

  • memory/2096-2-0x0000000074D50000-0x000000007543E000-memory.dmp

    Filesize

    6.9MB

  • memory/2096-3-0x0000000000B70000-0x0000000000B8E000-memory.dmp

    Filesize

    120KB

  • memory/2096-5-0x0000000074D50000-0x000000007543E000-memory.dmp

    Filesize

    6.9MB

  • memory/2096-4-0x0000000074D5E000-0x0000000074D5F000-memory.dmp

    Filesize

    4KB

  • memory/2096-31-0x0000000074D50000-0x000000007543E000-memory.dmp

    Filesize

    6.9MB