Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    02-12-2023 10:17

General

  • Target

    NEAS.eb6cc1987627340fcb7ba34ebad9174a770e28f43ae5b6eae6270f197d0a7e10.exe

  • Size

    784KB

  • MD5

    36c3e031bafb66e40a1291ea6fce0e72

  • SHA1

    f789f2e93c889ce67b272b83b8d0b5fb83a0dc04

  • SHA256

    eb6cc1987627340fcb7ba34ebad9174a770e28f43ae5b6eae6270f197d0a7e10

  • SHA512

    621a7a5c3ab1b0d298b329be2e0bbb6918e50d64578adc761572af880fd969cd5afc0c9dab3cce7b42c0a4a97be9984ce9af5c85e677e8932f83d107c70ddd89

  • SSDEEP

    12288:oNLIWyVyBY3/yW2r7gKw1lEOb969zpZAUsXoiMnf1NuxyvKXZazFr:oNjed3qDrMlEQQ9zdsUNuxIYZq

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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.eb6cc1987627340fcb7ba34ebad9174a770e28f43ae5b6eae6270f197d0a7e10.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.eb6cc1987627340fcb7ba34ebad9174a770e28f43ae5b6eae6270f197d0a7e10.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2764
    • 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\NEAS.eb6cc1987627340fcb7ba34ebad9174a770e28f43ae5b6eae6270f197d0a7e10.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2988
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\eAeuidhLEQ.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2640
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eAeuidhLEQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD7B9.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2692
    • C:\Users\Admin\AppData\Local\Temp\NEAS.eb6cc1987627340fcb7ba34ebad9174a770e28f43ae5b6eae6270f197d0a7e10.exe
      "C:\Users\Admin\AppData\Local\Temp\NEAS.eb6cc1987627340fcb7ba34ebad9174a770e28f43ae5b6eae6270f197d0a7e10.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2700

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpD7B9.tmp

    Filesize

    1KB

    MD5

    431da7f8f13771e0dd00b110134e28c7

    SHA1

    a70ee31c9d86e34c82e84807f225ccc33167fff1

    SHA256

    10dff756d55207da26dbd4178d047bc8703c86edf29bf3888d60823ffc19c894

    SHA512

    51dffc6288bc84d4d09b1b703b45aac264867974265d27a47b23a99518b407fc9fb39d439d7eda1972398e31ac096f507f03b07c16930253a281f55538441d23

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\MZT8JUKCBBM5NOUP8Z4G.temp

    Filesize

    7KB

    MD5

    cb2f5ad79ce384e9569d0931061e6b11

    SHA1

    d7f722fd996f7d673f7c81d8be98b456cd97f1e8

    SHA256

    9e133754328ac562306bf67468876986c25a0db6a8e896e7884ac69882d2761d

    SHA512

    2da74c58fc27af01bb9bf933a38ead24a5cfa7c34c58c8839dd70dffa4394c8684f5ece4e91dee155186f436ce7b8078a76b9db3583dcafbe4030efc62ce2702

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

    Filesize

    7KB

    MD5

    cb2f5ad79ce384e9569d0931061e6b11

    SHA1

    d7f722fd996f7d673f7c81d8be98b456cd97f1e8

    SHA256

    9e133754328ac562306bf67468876986c25a0db6a8e896e7884ac69882d2761d

    SHA512

    2da74c58fc27af01bb9bf933a38ead24a5cfa7c34c58c8839dd70dffa4394c8684f5ece4e91dee155186f436ce7b8078a76b9db3583dcafbe4030efc62ce2702

  • memory/2640-43-0x000000006F4C0000-0x000000006FA6B000-memory.dmp

    Filesize

    5.7MB

  • memory/2640-38-0x000000006F4C0000-0x000000006FA6B000-memory.dmp

    Filesize

    5.7MB

  • memory/2640-36-0x0000000002980000-0x00000000029C0000-memory.dmp

    Filesize

    256KB

  • memory/2640-34-0x000000006F4C0000-0x000000006FA6B000-memory.dmp

    Filesize

    5.7MB

  • memory/2700-30-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2700-46-0x0000000074650000-0x0000000074D3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2700-45-0x0000000004BA0000-0x0000000004BE0000-memory.dmp

    Filesize

    256KB

  • memory/2700-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2700-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2700-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2700-24-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2700-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2700-28-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2700-42-0x0000000074650000-0x0000000074D3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2700-32-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2700-40-0x0000000004BA0000-0x0000000004BE0000-memory.dmp

    Filesize

    256KB

  • memory/2764-0-0x0000000001150000-0x000000000121A000-memory.dmp

    Filesize

    808KB

  • memory/2764-6-0x00000000048F0000-0x000000000496C000-memory.dmp

    Filesize

    496KB

  • memory/2764-3-0x00000000003F0000-0x0000000000406000-memory.dmp

    Filesize

    88KB

  • memory/2764-4-0x0000000000420000-0x0000000000428000-memory.dmp

    Filesize

    32KB

  • memory/2764-2-0x0000000000810000-0x0000000000850000-memory.dmp

    Filesize

    256KB

  • memory/2764-33-0x0000000074650000-0x0000000074D3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2764-5-0x0000000000430000-0x000000000043A000-memory.dmp

    Filesize

    40KB

  • memory/2764-1-0x0000000074650000-0x0000000074D3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2988-35-0x000000006F4C0000-0x000000006FA6B000-memory.dmp

    Filesize

    5.7MB

  • memory/2988-41-0x0000000002730000-0x0000000002770000-memory.dmp

    Filesize

    256KB

  • memory/2988-44-0x000000006F4C0000-0x000000006FA6B000-memory.dmp

    Filesize

    5.7MB

  • memory/2988-39-0x0000000002730000-0x0000000002770000-memory.dmp

    Filesize

    256KB

  • memory/2988-37-0x000000006F4C0000-0x000000006FA6B000-memory.dmp

    Filesize

    5.7MB