Analysis

  • max time kernel
    69s
  • max time network
    75s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 06:29

General

  • Target

    SecuriteInfo.com.Win32.PWSX-gen.13823.2867.exe

  • Size

    721KB

  • MD5

    c3fe37b45116098cb1ed8e4e6f0c4538

  • SHA1

    c2c9bb8b43ac5d3afbe6ca9f1325658a378c30d0

  • SHA256

    0f155dc030189c0a4f9f55ca60c8e0b73fccba5666b2360f6e9621b61eaca01d

  • SHA512

    723510f02aa124739b935f2868ea33f3a979294633b8b8ea2f0d7c7fa444c9c409563e04dc63e85b20c91f10d6aba233cd7002ed425b79a40223880c319c8397

  • SSDEEP

    12288:CcMjqbJUsCFTcI2RU3bZcBzAslg1r7jSCYmZJbxpDF:BMm90FTcA9TswyCY

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5708078300:AAEFI-GQEmOXcZxhDq61-Uiq0tA6DEnImIM/

Signatures

  • AgentTesla

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

  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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). Likely ransomware behaviour.

  • Creates scheduled task(s) 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.13823.2867.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.13823.2867.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1324
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\LAFTsDDHUSp.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:588
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LAFTsDDHUSp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD144.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1716
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.13823.2867.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.13823.2867.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1000

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpD144.tmp

    Filesize

    1KB

    MD5

    f606e8748c741a635e84e5c6eb07918e

    SHA1

    b2d1e6f0553cf3a8cbc69f52a180e0c65fdcf8f7

    SHA256

    9f10969d0e68cd12c817a83b09a8120ad5c6e4f47cf38e7dd49a65db84bd8ece

    SHA512

    e943709f0e52747a35ae33fff79b0c9436f8439a0da442cc11d6e292e794717f7744a5a81163463ced0ac76733c5d44091f10aa2c4d27b4b0f467cdbb0d97048

  • memory/588-76-0x000000006E480000-0x000000006EA2B000-memory.dmp

    Filesize

    5.7MB

  • memory/588-59-0x0000000000000000-mapping.dmp

  • memory/1000-67-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1000-74-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1000-72-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1000-70-0x0000000000437C3E-mapping.dmp

  • memory/1000-69-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1000-68-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1000-64-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1000-65-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1324-58-0x0000000007E40000-0x0000000007EB6000-memory.dmp

    Filesize

    472KB

  • memory/1324-63-0x0000000000EF0000-0x0000000000F2E000-memory.dmp

    Filesize

    248KB

  • memory/1324-54-0x0000000000FB0000-0x000000000106A000-memory.dmp

    Filesize

    744KB

  • memory/1324-57-0x00000000004D0000-0x00000000004DC000-memory.dmp

    Filesize

    48KB

  • memory/1324-56-0x00000000004B0000-0x00000000004C8000-memory.dmp

    Filesize

    96KB

  • memory/1324-55-0x00000000752B1000-0x00000000752B3000-memory.dmp

    Filesize

    8KB

  • memory/1716-60-0x0000000000000000-mapping.dmp