Analysis

  • max time kernel
    117s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-10-2024 01:28

General

  • Target

    3a0f23dfec606d232d09eb53631b01747e57987e09133fa6efbe3f9394a6e4d0.exe

  • Size

    823KB

  • MD5

    2821589513c6dad441459f93bf319e63

  • SHA1

    0830bda9d8c4324dadef074ab53dd388f8f68d06

  • SHA256

    3a0f23dfec606d232d09eb53631b01747e57987e09133fa6efbe3f9394a6e4d0

  • SHA512

    6c2a37638e489c26c35d6cd65aa9a178ee34d69d6f36cea13040a4d8970eb8e644e6c4edbc54e7ce733aafe78aa11a3dc5a3eeba50c56073f128c6dbe8aa09a9

  • SSDEEP

    12288:J6PpN6C39UD4981ekRIvwWzrfbGUEb67yTDaWJwkl6ZzSrhVROTKmEPpBkR:DCv9oe8WfTVE4yKmwizkEPm

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.libreriagandhi.cl
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    $yxZKP=c)$k#

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 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\3a0f23dfec606d232d09eb53631b01747e57987e09133fa6efbe3f9394a6e4d0.exe
    "C:\Users\Admin\AppData\Local\Temp\3a0f23dfec606d232d09eb53631b01747e57987e09133fa6efbe3f9394a6e4d0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1152
    • 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\3a0f23dfec606d232d09eb53631b01747e57987e09133fa6efbe3f9394a6e4d0.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\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wvQCFzzEN.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2004
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wvQCFzzEN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8B8D.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1716
    • C:\Users\Admin\AppData\Local\Temp\3a0f23dfec606d232d09eb53631b01747e57987e09133fa6efbe3f9394a6e4d0.exe
      "C:\Users\Admin\AppData\Local\Temp\3a0f23dfec606d232d09eb53631b01747e57987e09133fa6efbe3f9394a6e4d0.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1500

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp8B8D.tmp

    Filesize

    1KB

    MD5

    ac89e90a84e73ad0aabc5893407d45d1

    SHA1

    555fc0a397dec316374595ea5291a841ef6ae2ff

    SHA256

    b873d77ea154edfac28aac13301c3a73a726530a21431cb6cab36745ca028782

    SHA512

    d61a10bdb985789043612e1ef66963031dc41b2aa75893f4047ac9ff95cadc990a1c78f1c663b3d9d46bdd56ff068387542605412bb7f7f81938934940eaa769

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

    Filesize

    7KB

    MD5

    18c04c58d9088e89fd15c43b097aa456

    SHA1

    67566d64c58d96d504a80ba317a64af28f51f804

    SHA256

    7b34ce7be2e8ca2b9d80f66523f907980997eadc4f75fcdaccde982820c9c312

    SHA512

    0052b50383fac363803ec0a206bcdbb3daba7be54dbfb49c07549659bfcd16eda4945b5fbcd880cc259f7aef6c4bcc57a5d62faebd00188baaae6055c12c9b27

  • memory/1152-4-0x0000000073F2E000-0x0000000073F2F000-memory.dmp

    Filesize

    4KB

  • memory/1152-31-0x0000000073F20000-0x000000007460E000-memory.dmp

    Filesize

    6.9MB

  • memory/1152-0-0x0000000073F2E000-0x0000000073F2F000-memory.dmp

    Filesize

    4KB

  • memory/1152-5-0x0000000073F20000-0x000000007460E000-memory.dmp

    Filesize

    6.9MB

  • memory/1152-6-0x0000000004F80000-0x0000000005004000-memory.dmp

    Filesize

    528KB

  • memory/1152-2-0x0000000073F20000-0x000000007460E000-memory.dmp

    Filesize

    6.9MB

  • memory/1152-1-0x0000000000DA0000-0x0000000000E70000-memory.dmp

    Filesize

    832KB

  • memory/1152-3-0x00000000006A0000-0x00000000006B8000-memory.dmp

    Filesize

    96KB

  • memory/1500-28-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1500-32-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1500-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1500-29-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1500-25-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1500-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1500-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1500-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB