Analysis

  • max time kernel
    121s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    14-07-2023 06:44

General

  • Target

    RFQ-HL51L05.exe

  • Size

    686KB

  • MD5

    25688584dc0ea562d4f863b6ebe76be6

  • SHA1

    7766639a7022c683481f7b57ed9521190ebc8a9f

  • SHA256

    33aceb5e578d09db43e7252164f9e231e9a54bf56635b959bc0ffd77b3a31c8b

  • SHA512

    cf40646abedc811199ee91f31756b4ea3a2a1273a5bbecdd795cb0ff48c7c6561437df666d4711e2eea966d2ee207dabbf3332295f58e3944be8c97e486d0de4

  • SSDEEP

    12288:XS8R10p46GP++o2cyeQ9u5/XeyWrhIkd8tzuhaXhbwzDDpnP:XSU12fjzy5w/XeyObsuh26pP

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 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 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\RFQ-HL51L05.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ-HL51L05.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2572
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qOdzpQwdlCymUw.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1364
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qOdzpQwdlCymUw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp77FD.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1692
    • C:\Users\Admin\AppData\Local\Temp\RFQ-HL51L05.exe
      "C:\Users\Admin\AppData\Local\Temp\RFQ-HL51L05.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2320

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp77FD.tmp

    Filesize

    1KB

    MD5

    1f9965789860e3fe7ba74ee5ea05bae5

    SHA1

    7f649dad3182057182c369e0629f72bcd520321b

    SHA256

    adab8e41746eeb860a74bb2e15e7dbff5f8f2c6ba10fd020ef6145c0dd965fc3

    SHA512

    9ae0260e33294d86911ef7fb505b2858cb7c7c0baf0ffe094cdbe0c3a32f020cd056e3a8f0492b78f7569c6d89d2a7d6ad34b09e817db82f93a62cfdb299a9fb

  • memory/1364-88-0x000000006F1F0000-0x000000006F79B000-memory.dmp

    Filesize

    5.7MB

  • memory/1364-87-0x0000000002570000-0x00000000025B0000-memory.dmp

    Filesize

    256KB

  • memory/1364-86-0x0000000002570000-0x00000000025B0000-memory.dmp

    Filesize

    256KB

  • memory/1364-85-0x000000006F1F0000-0x000000006F79B000-memory.dmp

    Filesize

    5.7MB

  • memory/1364-84-0x000000006F1F0000-0x000000006F79B000-memory.dmp

    Filesize

    5.7MB

  • memory/1364-83-0x0000000002570000-0x00000000025B0000-memory.dmp

    Filesize

    256KB

  • memory/2320-81-0x00000000739D0000-0x00000000740BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2320-76-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2320-67-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2320-68-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2320-69-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2320-70-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2320-71-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2320-73-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2320-89-0x00000000739D0000-0x00000000740BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2320-82-0x0000000004850000-0x0000000004890000-memory.dmp

    Filesize

    256KB

  • memory/2320-78-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2572-54-0x00000000008A0000-0x0000000000952000-memory.dmp

    Filesize

    712KB

  • memory/2572-60-0x0000000000430000-0x000000000043A000-memory.dmp

    Filesize

    40KB

  • memory/2572-61-0x0000000005780000-0x00000000057F2000-memory.dmp

    Filesize

    456KB

  • memory/2572-59-0x0000000004E20000-0x0000000004E60000-memory.dmp

    Filesize

    256KB

  • memory/2572-58-0x0000000074BC0000-0x00000000752AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2572-57-0x00000000003A0000-0x00000000003AC000-memory.dmp

    Filesize

    48KB

  • memory/2572-56-0x0000000004E20000-0x0000000004E60000-memory.dmp

    Filesize

    256KB

  • memory/2572-55-0x0000000074BC0000-0x00000000752AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2572-75-0x0000000074BC0000-0x00000000752AE000-memory.dmp

    Filesize

    6.9MB