Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30-09-2024 16:21

General

  • Target

    PO-098765678000.exe

  • Size

    764KB

  • MD5

    f9617b77cfa61832aa0db5c8cd8e0357

  • SHA1

    95ca6b88193fad7de1a9693639641f42744136c4

  • SHA256

    e2e31ef953c1dee99b1b6ee23c149b568a76d44531457adb0c89eff648c58a55

  • SHA512

    9958f54f5a1fde6e7f6315395080579277958f2e3416e39908576c8fa0b55c162d1d845da203511070d58a2724f88b343ce475b8c63cf544f7f53712f5c50d92

  • SSDEEP

    12288:qUx5U3TB2nJfk+Cs8uOtcTDA/dS+H1cxhNw7HBKQ0oL85yhl04:qUx8b+CxTwoZcxhNw7HHhz

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.antoniomayol.com:21
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    cMhKDQUk1{;%

Signatures

  • AgentTesla

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO-098765678000.exe
    "C:\Users\Admin\AppData\Local\Temp\PO-098765678000.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2348
    • 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\PO-098765678000.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:568
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qRDlxtruHIkHC.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2868
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qRDlxtruHIkHC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFFF1.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3056
    • C:\Users\Admin\AppData\Local\Temp\PO-098765678000.exe
      "C:\Users\Admin\AppData\Local\Temp\PO-098765678000.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2772

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpFFF1.tmp

    Filesize

    1KB

    MD5

    92cd2d9082fce8cf2e0bc060d4125809

    SHA1

    6fbffeaae4cb027549db652c61fbb0756f825967

    SHA256

    2537eac13699ecd37729db9559708020f8be0dfbacb6d08d0501524cb5990018

    SHA512

    e8bfc6658c0f641a748e73526d058248eb87924584d0c239affc9173ae9ac86237abc2c7eafd4a3c7bd8df50e7519b83effb64048af672242ea8d37b0c7b0674

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

    Filesize

    7KB

    MD5

    fc565572f1215ab6048ba06e29986c6c

    SHA1

    692f446c8be424b33292e0c7bb77390f4b6b82ce

    SHA256

    d55a14d88398324e43930fbdc4b82cae9ae28a231de955de69f43dcf177f7f33

    SHA512

    eb1311aefaa1171ea67c17892cf94716f637803e07c6ab2b951697dd4159ed19209e9be37545998f94a37d2c51a24a672cbadcf60e9559f7411e3e0fe756e772

  • memory/2348-4-0x000000007422E000-0x000000007422F000-memory.dmp

    Filesize

    4KB

  • memory/2348-32-0x0000000074220000-0x000000007490E000-memory.dmp

    Filesize

    6.9MB

  • memory/2348-0-0x000000007422E000-0x000000007422F000-memory.dmp

    Filesize

    4KB

  • memory/2348-5-0x0000000074220000-0x000000007490E000-memory.dmp

    Filesize

    6.9MB

  • memory/2348-6-0x00000000003C0000-0x0000000000444000-memory.dmp

    Filesize

    528KB

  • memory/2348-2-0x0000000074220000-0x000000007490E000-memory.dmp

    Filesize

    6.9MB

  • memory/2348-1-0x0000000001080000-0x0000000001144000-memory.dmp

    Filesize

    784KB

  • memory/2348-3-0x0000000000480000-0x000000000049E000-memory.dmp

    Filesize

    120KB

  • memory/2772-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2772-29-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2772-28-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2772-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2772-25-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2772-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2772-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2772-31-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB