Analysis

  • max time kernel
    117s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 02:07

General

  • Target

    8d2adb299092386dff521a0f3c77a72f7e4cbee6973297b4131e83598d8a0655.exe

  • Size

    758KB

  • MD5

    3b704a51a7639d7dba54177c5fbaeea3

  • SHA1

    1da4d409ee2e66c9f272b95436e8ea20e06576ea

  • SHA256

    8d2adb299092386dff521a0f3c77a72f7e4cbee6973297b4131e83598d8a0655

  • SHA512

    679667d708e42a853de1cf9411cd17d33c2856b1892b1106f63644037c4288884d4bb5d7332d6d5a31b5e46ce5799da27a5ea4380fbca551b60137713670a1b8

  • SSDEEP

    12288:pIoWET/mr9K+22BEEzFatnVKWarlLuga5s9hQ+FQNpibhvYy9SG/Aa8amTCwunSN:3Wtb3BE+BrlLo5sFQNHGVw7G+b

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • 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).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8d2adb299092386dff521a0f3c77a72f7e4cbee6973297b4131e83598d8a0655.exe
    "C:\Users\Admin\AppData\Local\Temp\8d2adb299092386dff521a0f3c77a72f7e4cbee6973297b4131e83598d8a0655.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1760
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zWqsdWfgGhs.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2768
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zWqsdWfgGhs" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD8C2.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2580
    • C:\Users\Admin\AppData\Local\Temp\8d2adb299092386dff521a0f3c77a72f7e4cbee6973297b4131e83598d8a0655.exe
      "C:\Users\Admin\AppData\Local\Temp\8d2adb299092386dff521a0f3c77a72f7e4cbee6973297b4131e83598d8a0655.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2704

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpD8C2.tmp

    Filesize

    1KB

    MD5

    3bb55a034f1b10cf18622ec3149b6bf6

    SHA1

    5ab97c57c7dfe8e9a1ff15072bc43f576dc59baa

    SHA256

    ad5a9210d2a2e815c3946ab60081f22684976c167fd505153aab10739689290d

    SHA512

    9591a686f5ad9df6e593f838f1ba0c92c2d0a234ca197967c4a0aef458ba6655f43d2cc475f7fc78dec2089aa5fbb824372602f4c0f76bc3d58d278da0b575f7

  • memory/1760-4-0x00000000004B0000-0x00000000004BC000-memory.dmp

    Filesize

    48KB

  • memory/1760-5-0x0000000000510000-0x0000000000520000-memory.dmp

    Filesize

    64KB

  • memory/1760-25-0x0000000074B90000-0x000000007527E000-memory.dmp

    Filesize

    6.9MB

  • memory/1760-0-0x0000000074B9E000-0x0000000074B9F000-memory.dmp

    Filesize

    4KB

  • memory/1760-1-0x0000000000930000-0x00000000009F4000-memory.dmp

    Filesize

    784KB

  • memory/1760-6-0x0000000001E00000-0x0000000001E82000-memory.dmp

    Filesize

    520KB

  • memory/1760-7-0x0000000074B9E000-0x0000000074B9F000-memory.dmp

    Filesize

    4KB

  • memory/1760-2-0x0000000074B90000-0x000000007527E000-memory.dmp

    Filesize

    6.9MB

  • memory/1760-3-0x00000000008C0000-0x00000000008E2000-memory.dmp

    Filesize

    136KB

  • memory/2704-23-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2704-24-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2704-13-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2704-22-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2704-19-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2704-17-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2704-15-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2704-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB