Analysis

  • max time kernel
    118s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11-12-2024 19:38

General

  • Target

    Payment Confirmation.pdf.exe

  • Size

    524.5MB

  • MD5

    5e6da30aae7e45fb195792cf3163a67c

  • SHA1

    6893308eed3c6019293f77bfec989c4801041614

  • SHA256

    e743ab98b51a17d68fa30ca3eb1f62f6622a99cb98711cdd3e01fae4e3bd05a5

  • SHA512

    9810ce5ad238621fded5d8d27b669c63b14c22490125285b8ffea6d4671595c0c19629e6f51d0f44eee210e5424f738ae899f6f15b700bc9e4d0a49cdea0a0fb

  • SSDEEP

    12288:cVMCwy9EXX+IUeU0U/llUrbLlw+P4T/eWkZesmo6XAWadbj8YL84ZBGk:gwFOI9StlAbLz8/NcKqbj98i

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7000875199:AAGcJDBHFcfVUBvhBO4xZLw34OXk1NWXSe0/

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.

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment Confirmation.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment Confirmation.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2688
    • 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\Payment Confirmation.pdf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2744
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\hfdtCQdF.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2580
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hfdtCQdF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6D82.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2624
    • C:\Users\Admin\AppData\Local\Temp\Payment Confirmation.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment Confirmation.pdf.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:912

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp6D82.tmp

    Filesize

    1KB

    MD5

    e8944269933fdd1a85956cc71bac5444

    SHA1

    9b5111498ff47088e512c7c3af0ebcbe838f3269

    SHA256

    0735651078b342cc3427f5b4a356fb6aba69c71750a12eac8c13729c95d70e95

    SHA512

    8f2b9fda9e1c0995526cc2f02c907b2ca1bcdf3ac02bd0f4be66ed8230005ce725a054732ee837c73ccfefdd74f66d768e62a421403acbb59a6e0fe57e068689

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

    Filesize

    7KB

    MD5

    ea9893de8257e28fbd4188c3e629fc91

    SHA1

    55cef0338406dc4c1265c4ccb78aa58eae22a415

    SHA256

    0bcb7742d4e47dbefdb5a97e0d8f1c65d81b4637f84d2a5e5e4c5291d6ea3e7e

    SHA512

    e3671e72b3ef5c5dd905265971c1de7025c17ff23d62c8bfa41cf2e02a376018df4ca475d35cf789dcfb857b0ec7b88453f373eed3ada1e449cbd999729fda71

  • memory/912-25-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/912-30-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/912-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/912-29-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/912-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/912-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/912-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/912-28-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2688-6-0x0000000006090000-0x0000000006116000-memory.dmp

    Filesize

    536KB

  • memory/2688-1-0x0000000001020000-0x00000000010F2000-memory.dmp

    Filesize

    840KB

  • memory/2688-0-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

    Filesize

    4KB

  • memory/2688-2-0x0000000074AC0000-0x00000000751AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2688-3-0x0000000000AD0000-0x0000000000AEE000-memory.dmp

    Filesize

    120KB

  • memory/2688-5-0x0000000074AC0000-0x00000000751AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2688-4-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

    Filesize

    4KB

  • memory/2688-31-0x0000000074AC0000-0x00000000751AE000-memory.dmp

    Filesize

    6.9MB