Analysis

  • max time kernel
    119s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    15-11-2024 02:15

General

  • Target

    4ca5d1f4f3b52383886d6338b63b138961fc496a70a98c4e2e0a1bf1d6f646d6.exe

  • Size

    769KB

  • MD5

    e46e492f9d98a484988f6f250c259fff

  • SHA1

    276527beffd70654b3b3ebdf8f65721a9834efc5

  • SHA256

    4ca5d1f4f3b52383886d6338b63b138961fc496a70a98c4e2e0a1bf1d6f646d6

  • SHA512

    0ad7851651f57747e815e8e70dc04da14fe6d0d96f6cffcf69858e57e7ff90133dacc308751edc177945678fe1cacebb6ecca285b32d82a162f9e397df03168a

  • SSDEEP

    12288:P4PyCJVMC1T7mTDesFxz1+ZHDhNOONb8i3HMl9sn0XMWR/whOxf87h:QPyCJVzpqDesZ+VDhNOOxV30tXRpwws

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6852245174:AAHgk_9s-tH6YNacTaCnQz56uJMggI0fZDw/

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.

  • Looks up external IP address via web service 1 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 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4ca5d1f4f3b52383886d6338b63b138961fc496a70a98c4e2e0a1bf1d6f646d6.exe
    "C:\Users\Admin\AppData\Local\Temp\4ca5d1f4f3b52383886d6338b63b138961fc496a70a98c4e2e0a1bf1d6f646d6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2324
    • 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\4ca5d1f4f3b52383886d6338b63b138961fc496a70a98c4e2e0a1bf1d6f646d6.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2816
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OElBPHSPcFu.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1952
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OElBPHSPcFu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1870.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2340
    • C:\Users\Admin\AppData\Local\Temp\4ca5d1f4f3b52383886d6338b63b138961fc496a70a98c4e2e0a1bf1d6f646d6.exe
      "C:\Users\Admin\AppData\Local\Temp\4ca5d1f4f3b52383886d6338b63b138961fc496a70a98c4e2e0a1bf1d6f646d6.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2564

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp1870.tmp

    Filesize

    1KB

    MD5

    c31e37843b79c11ede6566033bca7417

    SHA1

    9e8a0d19465abd3f6dc396e6298e18007948466f

    SHA256

    60be3bbfb9ee6556a09420666d8bd5829ef0048c3f12ad66143db1b56e4542a4

    SHA512

    ba6a7e0e350e3dc04f8f7c636011714b3ca9bf41a56370fd6c4467062f5e136419f4249858ae70a53d38503d9da08f9c4e2f61ce74b3100d39a6dae0da575cd6

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

    Filesize

    7KB

    MD5

    15f4ebb55cbc5f742924d51b0e310b39

    SHA1

    a5f7dc7f2d98c5c248cb366096178876fb9379ea

    SHA256

    e38b74fde93df13ca573313950e75911f07e87a5bc2bd231317fa0dbe0feeeb7

    SHA512

    85eb9035b733cce5306f3afeee414ab1eca0c3946c2a2f273ca7d74f879ac84b500c760328e3b86a7487547acb237beea57308ed767dae8636b575554d58b3a0

  • memory/2324-4-0x000000007490E000-0x000000007490F000-memory.dmp

    Filesize

    4KB

  • memory/2324-31-0x0000000074900000-0x0000000074FEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2324-0-0x000000007490E000-0x000000007490F000-memory.dmp

    Filesize

    4KB

  • memory/2324-5-0x0000000074900000-0x0000000074FEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2324-6-0x0000000005D20000-0x0000000005DA8000-memory.dmp

    Filesize

    544KB

  • memory/2324-2-0x0000000074900000-0x0000000074FEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2324-1-0x0000000000C50000-0x0000000000D16000-memory.dmp

    Filesize

    792KB

  • memory/2324-3-0x0000000000470000-0x0000000000482000-memory.dmp

    Filesize

    72KB

  • memory/2564-28-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2564-30-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2564-19-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2564-29-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2564-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2564-25-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2564-23-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2564-21-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB