Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2023 01:18

General

  • Target

    Purchase Order 6189.exe

  • Size

    796KB

  • MD5

    33c622017f60418a896746a0b9697e1e

  • SHA1

    6da480faadd0556c2bccfffe6a193db2f75ef3cc

  • SHA256

    d7a79d5396019c96512f067c11dd9bfeb14fc15c666d3f6994ca46ecb8ec9fa7

  • SHA512

    c75714578fb5597a0adfc3845ebfe92d71015f4a00c883b7d5479930082054f30132a28c5dcf8466d75cceac4ef4d6dedecaa63e506d171de15d2808d5dcefaf

  • SSDEEP

    12288:iB5nF8pREGHTbL0RS7BzB46USGD7N1Zw+LnZ8kWsJQMCJSPhsrdLgk2bWjq07:6m+S91460D7N1aTHsJQMqSPA2bWu

Malware Config

Extracted

Family

agenttesla

Credentials

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 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).

  • 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 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\Purchase Order 6189.exe
    "C:\Users\Admin\AppData\Local\Temp\Purchase Order 6189.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2264
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\XvJESPbZT.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1152
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XvJESPbZT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3C45.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2924
    • C:\Users\Admin\AppData\Local\Temp\Purchase Order 6189.exe
      "C:\Users\Admin\AppData\Local\Temp\Purchase Order 6189.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2772

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp3C45.tmp

    Filesize

    1KB

    MD5

    e57be762fbad51766ca6e7a9e2e7fd60

    SHA1

    e8a23246348836d982fbcdfece90e3780ffc63a8

    SHA256

    7b5aeb91135d246ac58edbb001bb6a79fe2327c5ca7ea31469b98419d3c8accf

    SHA512

    a9756f011e9966c2590da8c37b3ef7995e3d601f01fed43a46fec120af34e9754b6e01f16df2cdb5cea23bedecd9bc2ce501f1988de96afeb5be6ad304860c80

  • memory/1152-34-0x000000006E390000-0x000000006E93B000-memory.dmp

    Filesize

    5.7MB

  • memory/1152-33-0x0000000000320000-0x0000000000360000-memory.dmp

    Filesize

    256KB

  • memory/1152-32-0x000000006E390000-0x000000006E93B000-memory.dmp

    Filesize

    5.7MB

  • memory/1152-30-0x0000000000320000-0x0000000000360000-memory.dmp

    Filesize

    256KB

  • memory/1152-28-0x000000006E390000-0x000000006E93B000-memory.dmp

    Filesize

    5.7MB

  • memory/2264-6-0x0000000005BE0000-0x0000000005C5E000-memory.dmp

    Filesize

    504KB

  • memory/2264-26-0x0000000073FD0000-0x00000000746BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2264-1-0x0000000073FD0000-0x00000000746BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2264-2-0x0000000004C10000-0x0000000004C50000-memory.dmp

    Filesize

    256KB

  • memory/2264-3-0x0000000000410000-0x0000000000428000-memory.dmp

    Filesize

    96KB

  • memory/2264-0-0x0000000000C50000-0x0000000000D1E000-memory.dmp

    Filesize

    824KB

  • memory/2264-4-0x0000000000430000-0x0000000000438000-memory.dmp

    Filesize

    32KB

  • memory/2264-5-0x0000000000570000-0x000000000057A000-memory.dmp

    Filesize

    40KB

  • memory/2772-19-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2772-24-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2772-27-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2772-22-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2772-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2772-29-0x0000000004970000-0x00000000049B0000-memory.dmp

    Filesize

    256KB

  • memory/2772-31-0x00000000721D0000-0x00000000728BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2772-18-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2772-16-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2772-14-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2772-35-0x0000000004970000-0x00000000049B0000-memory.dmp

    Filesize

    256KB

  • memory/2772-36-0x00000000721D0000-0x00000000728BE000-memory.dmp

    Filesize

    6.9MB