Analysis

  • max time kernel
    24s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11-09-2024 01:53

General

  • Target

    86b3feb69665d03eaf1b1a3fc4dcf8221443f9c75458f34aea20d72d05c16cfc.exe

  • Size

    994KB

  • MD5

    e1cd8eebef245fca526d6e909446c536

  • SHA1

    9a814203c4c068813f636ea75ce12ab7f6cd6ed6

  • SHA256

    86b3feb69665d03eaf1b1a3fc4dcf8221443f9c75458f34aea20d72d05c16cfc

  • SHA512

    a3315e1ae9cf0bf4e172ec97b90423791b8fca39c76c6f20068d4e88968c3814596fa61f2121d3902c1ba1326db533928b1c7415d4bcdc953836a3df305dad24

  • SSDEEP

    12288:heZ0rX87WGaYB1o85uCHIVJYVchCi3gg/4DwqcPCKqIhpvNQWHL+8A16KP7r9r/q:heZ0g7WGqIeGWA+3KihhNQWrhG6K1q

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Looks up external IP address via web service 2 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\86b3feb69665d03eaf1b1a3fc4dcf8221443f9c75458f34aea20d72d05c16cfc.exe
    "C:\Users\Admin\AppData\Local\Temp\86b3feb69665d03eaf1b1a3fc4dcf8221443f9c75458f34aea20d72d05c16cfc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3020
    • 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\86b3feb69665d03eaf1b1a3fc4dcf8221443f9c75458f34aea20d72d05c16cfc.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2712
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JOjnTAmFEhSUVd.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2800
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JOjnTAmFEhSUVd" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC65B.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2884
    • C:\Users\Admin\AppData\Local\Temp\86b3feb69665d03eaf1b1a3fc4dcf8221443f9c75458f34aea20d72d05c16cfc.exe
      "C:\Users\Admin\AppData\Local\Temp\86b3feb69665d03eaf1b1a3fc4dcf8221443f9c75458f34aea20d72d05c16cfc.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2208

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpC65B.tmp

    Filesize

    1KB

    MD5

    401379f797ecfbe03ee88ad3d9aebb41

    SHA1

    9abade8c13b69fe7ddb123909d759d46676321d3

    SHA256

    8e38dcccb616b8ae8e35b6bde1adea8dc76838103481d51e563223475f858d8f

    SHA512

    062fd7edafc5cf63d794bf9a23e46754aee928799139f0e78469a1f808c4e4bfba0896d1c6e6b8ca76579a4850984a24c8288667f21065b5b6811d08220e1e20

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

    Filesize

    7KB

    MD5

    13f1250b4f8a0a5cc4b5118d7cc443c6

    SHA1

    ff026035b00a5e1a3d74b706175f7444c5f023a7

    SHA256

    61eb097bfb98c893941c7236ddd956f3d87734a498c1f13acb5926d2e7025f4b

    SHA512

    513ecba0b47b55dd20e09b2ea8358a83568628cc07d4dd6536df751fafecfcfa68be8450f198298a14babaef0c459170feba7c81791563a20b09bf5179b2802b

  • memory/2208-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2208-30-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2208-22-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2208-23-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2208-29-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2208-25-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2208-28-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2208-20-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3020-6-0x0000000005310000-0x0000000005392000-memory.dmp

    Filesize

    520KB

  • memory/3020-1-0x0000000000E30000-0x0000000000F2E000-memory.dmp

    Filesize

    1016KB

  • memory/3020-0-0x0000000073D4E000-0x0000000073D4F000-memory.dmp

    Filesize

    4KB

  • memory/3020-2-0x0000000073D40000-0x000000007442E000-memory.dmp

    Filesize

    6.9MB

  • memory/3020-3-0x0000000000460000-0x0000000000470000-memory.dmp

    Filesize

    64KB

  • memory/3020-5-0x0000000073D40000-0x000000007442E000-memory.dmp

    Filesize

    6.9MB

  • memory/3020-4-0x0000000073D4E000-0x0000000073D4F000-memory.dmp

    Filesize

    4KB

  • memory/3020-31-0x0000000073D40000-0x000000007442E000-memory.dmp

    Filesize

    6.9MB