Analysis

  • max time kernel
    122s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    30-03-2024 01:17

General

  • Target

    BL-INVOICE SHIPPING DOCUMENTS.exe

  • Size

    721KB

  • MD5

    e12732b1388792e2376b5ceff0813ce1

  • SHA1

    f6d305a5bc1cb57d98778983eb6d5ee21a291d33

  • SHA256

    ee82a7d799150b129c7e27b8328e987cabf5de9d204b7e028ae2849d92672e20

  • SHA512

    1c902234221b4640e1bfb95f10d7991b4bc619c0045f574df7f4e1cf75218609547f40b7d26e89add0d72a9a98efba25ad2cb010462745c7956abdda0fdfe8f1

  • SSDEEP

    12288:QvLK1+mw78cPd5nuXjcdJrTxi6LarNLXghQAgVJRGHg9D6nj22J3EUfen9HpzifI:Qvi+mU89cd5di2aBQQAgn/8nj22J0W

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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).

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BL-INVOICE SHIPPING DOCUMENTS.exe
    "C:\Users\Admin\AppData\Local\Temp\BL-INVOICE SHIPPING DOCUMENTS.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2840
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\bhHKbxRjFutqJP.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2624
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bhHKbxRjFutqJP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3F03.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2616
    • C:\Users\Admin\AppData\Local\Temp\BL-INVOICE SHIPPING DOCUMENTS.exe
      "C:\Users\Admin\AppData\Local\Temp\BL-INVOICE SHIPPING DOCUMENTS.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2580

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp3F03.tmp

    Filesize

    1KB

    MD5

    e7a8388ced63f483fd083974877aa472

    SHA1

    026fc73c786cb836ed15b8b3cf8e3b2c8bb8f21b

    SHA256

    c5db69bcaa53a887599b226aad0ab25ca132a547989fb108fb6e103f6bae6593

    SHA512

    9970a503dc5f9f31b4ee5ea90236af4c1c38eb88bbadbaca8476792ed348664376dad3d41b96bb89599bb4dd0b5e4b9a9c7e0a588ceef8a85084f9c4617194ac

  • memory/2580-23-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2580-27-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2580-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2580-36-0x0000000074650000-0x0000000074D3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2580-32-0x0000000002350000-0x0000000002390000-memory.dmp

    Filesize

    256KB

  • memory/2580-31-0x0000000074650000-0x0000000074D3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2580-13-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2580-15-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2580-17-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2580-19-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2580-37-0x0000000002350000-0x0000000002390000-memory.dmp

    Filesize

    256KB

  • memory/2580-25-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2624-35-0x000000006EA20000-0x000000006EFCB000-memory.dmp

    Filesize

    5.7MB

  • memory/2624-29-0x000000006EA20000-0x000000006EFCB000-memory.dmp

    Filesize

    5.7MB

  • memory/2624-30-0x000000006EA20000-0x000000006EFCB000-memory.dmp

    Filesize

    5.7MB

  • memory/2624-34-0x0000000002990000-0x00000000029D0000-memory.dmp

    Filesize

    256KB

  • memory/2624-33-0x0000000002990000-0x00000000029D0000-memory.dmp

    Filesize

    256KB

  • memory/2840-28-0x0000000074650000-0x0000000074D3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2840-2-0x00000000071D0000-0x0000000007210000-memory.dmp

    Filesize

    256KB

  • memory/2840-0-0x0000000000D70000-0x0000000000E2A000-memory.dmp

    Filesize

    744KB

  • memory/2840-5-0x0000000007110000-0x0000000007192000-memory.dmp

    Filesize

    520KB

  • memory/2840-1-0x0000000074650000-0x0000000074D3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2840-4-0x0000000000260000-0x000000000026C000-memory.dmp

    Filesize

    48KB

  • memory/2840-3-0x0000000000370000-0x000000000038A000-memory.dmp

    Filesize

    104KB