Analysis

  • max time kernel
    120s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    11-11-2024 14:40

General

  • Target

    fbb371689dd50f2281386b95117b3626a44dab27d187e1ce49f3b32299891d32.exe

  • Size

    863KB

  • MD5

    8639e474dda6bfeffbb5ecb569229f1a

  • SHA1

    2fd72509a023d23788853ebea737169ae6709908

  • SHA256

    fbb371689dd50f2281386b95117b3626a44dab27d187e1ce49f3b32299891d32

  • SHA512

    9ef5cec05f29d464031544fe219e977bf45adc509e2ec665e5548e6dc0d8adfc1cfb834d41be0363834b2631cc245b2c741cc307c375308098befaa9f8b92534

  • SSDEEP

    12288:uqFKqbdlEmbGq/KVtfLky6vXhcmAv++ii31whOGYgOdc9RsODSBfiuMns:uq0qbkmN/K7o/X2NZiifGYgPrmBfXMs

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Agenttesla 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.

  • 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.

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fbb371689dd50f2281386b95117b3626a44dab27d187e1ce49f3b32299891d32.exe
    "C:\Users\Admin\AppData\Local\Temp\fbb371689dd50f2281386b95117b3626a44dab27d187e1ce49f3b32299891d32.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2592
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KbvTYlDJ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:476
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KbvTYlDJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp26A3.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2504
    • C:\Users\Admin\AppData\Local\Temp\fbb371689dd50f2281386b95117b3626a44dab27d187e1ce49f3b32299891d32.exe
      "C:\Users\Admin\AppData\Local\Temp\fbb371689dd50f2281386b95117b3626a44dab27d187e1ce49f3b32299891d32.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2396

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp26A3.tmp

    Filesize

    1KB

    MD5

    20a18641efcced33b204756b48e33cbe

    SHA1

    cd207abfea7c63ed74e5e97d9546eb593db65cb4

    SHA256

    aee8f77d646e4c289f7989df054f4f9676f918ffacdb6363870e442aaf913465

    SHA512

    197d2f9d3ebb65b5be7ac2b1be97e23b8607f17c9bbd3734e4a0aa09e2ac2751a816c366fd36295c2a1a47c1923cd66a652f7995a34e894500fa774c9a69bb80

  • memory/2396-23-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2396-24-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2396-18-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2396-20-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2396-26-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2396-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2396-14-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2396-16-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2592-5-0x0000000001E20000-0x0000000001E3C000-memory.dmp

    Filesize

    112KB

  • memory/2592-1-0x00000000001B0000-0x000000000028E000-memory.dmp

    Filesize

    888KB

  • memory/2592-2-0x0000000074D30000-0x000000007541E000-memory.dmp

    Filesize

    6.9MB

  • memory/2592-0-0x0000000074D3E000-0x0000000074D3F000-memory.dmp

    Filesize

    4KB

  • memory/2592-27-0x0000000074D30000-0x000000007541E000-memory.dmp

    Filesize

    6.9MB

  • memory/2592-6-0x0000000001F10000-0x0000000001F92000-memory.dmp

    Filesize

    520KB

  • memory/2592-4-0x0000000074D30000-0x000000007541E000-memory.dmp

    Filesize

    6.9MB

  • memory/2592-3-0x0000000074D3E000-0x0000000074D3F000-memory.dmp

    Filesize

    4KB