Analysis

  • max time kernel
    117s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    02-12-2023 02:00

General

  • Target

    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\eb6cc1987627340fcb7ba34ebad9174a770e28f43ae5b6eae6270f197d0a7e10.exe
    "C:\Users\Admin\AppData\Local\Temp\eb6cc1987627340fcb7ba34ebad9174a770e28f43ae5b6eae6270f197d0a7e10.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2432
    • 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\eb6cc1987627340fcb7ba34ebad9174a770e28f43ae5b6eae6270f197d0a7e10.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1560
    • 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:2680
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eAeuidhLEQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA16D.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2736
    • C:\Users\Admin\AppData\Local\Temp\eb6cc1987627340fcb7ba34ebad9174a770e28f43ae5b6eae6270f197d0a7e10.exe
      "C:\Users\Admin\AppData\Local\Temp\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:2468

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpA16D.tmp

    Filesize

    1KB

    MD5

    e8e1991a5d6ffc4763fdc6b2fb0717cd

    SHA1

    d2c8125fa6a129f66ebd133a7dbf3df36c889bb2

    SHA256

    829ba15041cb7b9576581babe532bd665f6d30d9c5581dac804463b2ba9ffaa0

    SHA512

    122491c6543ad11f6b6ede81f8f1fe9878d0b06bfa09e9b2ae1893a8837a8655f7ab293d6005e42a58439ab15e5ac4697dbf77b6ba22c2d3ee07ddd839e98dfc

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\R99X9X33R1BGQ3JL6JPN.temp

    Filesize

    7KB

    MD5

    f3045706ecb62ea8d83e75d63eb8525d

    SHA1

    d98536cd4d1f4863fbe641e1e8fd44e530f85f26

    SHA256

    046ac0ac22d38c36fe5bf23bccd87732becb978fb5cace02a4f4b2f33c9003bf

    SHA512

    3e4442db7a398009df341858b1de6c6d3389623a318fe81e62a504f12c6828cc17af067132bd574c44fb0bd3eeb6079c814e760a4b38e5bcc89a47558c782fd1

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

    Filesize

    7KB

    MD5

    f3045706ecb62ea8d83e75d63eb8525d

    SHA1

    d98536cd4d1f4863fbe641e1e8fd44e530f85f26

    SHA256

    046ac0ac22d38c36fe5bf23bccd87732becb978fb5cace02a4f4b2f33c9003bf

    SHA512

    3e4442db7a398009df341858b1de6c6d3389623a318fe81e62a504f12c6828cc17af067132bd574c44fb0bd3eeb6079c814e760a4b38e5bcc89a47558c782fd1

  • memory/1560-33-0x000000006E9A0000-0x000000006EF4B000-memory.dmp

    Filesize

    5.7MB

  • memory/1560-36-0x0000000000390000-0x00000000003D0000-memory.dmp

    Filesize

    256KB

  • memory/1560-39-0x000000006E9A0000-0x000000006EF4B000-memory.dmp

    Filesize

    5.7MB

  • memory/2432-3-0x0000000000390000-0x00000000003A6000-memory.dmp

    Filesize

    88KB

  • memory/2432-6-0x0000000004A10000-0x0000000004A8C000-memory.dmp

    Filesize

    496KB

  • memory/2432-5-0x0000000000450000-0x000000000045A000-memory.dmp

    Filesize

    40KB

  • memory/2432-4-0x0000000000440000-0x0000000000448000-memory.dmp

    Filesize

    32KB

  • memory/2432-1-0x0000000074E80000-0x000000007556E000-memory.dmp

    Filesize

    6.9MB

  • memory/2432-2-0x00000000041C0000-0x0000000004200000-memory.dmp

    Filesize

    256KB

  • memory/2432-0-0x0000000000930000-0x00000000009FA000-memory.dmp

    Filesize

    808KB

  • memory/2432-31-0x0000000074E80000-0x000000007556E000-memory.dmp

    Filesize

    6.9MB

  • memory/2468-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2468-38-0x0000000074E80000-0x000000007556E000-memory.dmp

    Filesize

    6.9MB

  • memory/2468-28-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2468-30-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2468-22-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2468-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2468-42-0x0000000004B50000-0x0000000004B90000-memory.dmp

    Filesize

    256KB

  • memory/2468-26-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2468-41-0x0000000074E80000-0x000000007556E000-memory.dmp

    Filesize

    6.9MB

  • memory/2468-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2468-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2680-34-0x0000000002370000-0x00000000023B0000-memory.dmp

    Filesize

    256KB

  • memory/2680-37-0x0000000002370000-0x00000000023B0000-memory.dmp

    Filesize

    256KB

  • memory/2680-40-0x000000006E9A0000-0x000000006EF4B000-memory.dmp

    Filesize

    5.7MB

  • memory/2680-35-0x000000006E9A0000-0x000000006EF4B000-memory.dmp

    Filesize

    5.7MB

  • memory/2680-32-0x000000006E9A0000-0x000000006EF4B000-memory.dmp

    Filesize

    5.7MB