Analysis

  • max time kernel
    121s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 13:07

General

  • Target

    FT876567090.exe

  • Size

    764KB

  • MD5

    773778752662f5a81d6b7a2015890b79

  • SHA1

    662be6bed03ec5afac72029459157d7908797622

  • SHA256

    86f02fd88dc04b311ec6ae30fc2e4fc8be6884f24654a5103b7fb85f7631f99c

  • SHA512

    6f3cc620230339aa6ca7f988342e463feffca6c2be0023cb96879a6fe161a9868f0f702027be0487942c2fc2130a026f93f8efd5f7ff9cc0cbfb18fcff6bc598

  • SSDEEP

    12288:2jlIpHtMPku+l0CPPZlhn/3EHE69r3WJ/Ggh6Yz6Co7bbJ/k5ggzBv7V:2jlIhSPd+p9/AEESd5z5o7b9XgzBZ

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.vvtrade.vn
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    qVyP6qyv6MQCmZJBRs4t

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7339564661:AAFzTB6gEWMndjXYyD5LCn17UEBISRR8wDI/sendMessage?chat_id=6443825857

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Vipkeylogger family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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 3 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
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FT876567090.exe
    "C:\Users\Admin\AppData\Local\Temp\FT876567090.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2272
    • 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\FT876567090.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2036
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\EYDNKhhJr.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2884
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EYDNKhhJr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2C6D.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2876
    • C:\Users\Admin\AppData\Local\Temp\FT876567090.exe
      "C:\Users\Admin\AppData\Local\Temp\FT876567090.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2052

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp2C6D.tmp

    Filesize

    1KB

    MD5

    7653256abce34a712fc7ed6bec6396e3

    SHA1

    e8c55dcb32951ee0dc5ae4c2af18c1627015dd28

    SHA256

    87987b67eff7e36e276597e8939879e4fe8e8f190a83ec6b81c5e3a9f9b498ab

    SHA512

    c4e85cd984b832c3d676ca60d9269ecf436b6c833e7854e9465ab53c5376e2c8ba9a7ba8c241b8987a2d9fd57528911edf6a1d44935a12aded52a927dc0f1bb1

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\HN65VXZPJR7IVIOO7SV4.temp

    Filesize

    7KB

    MD5

    428d5731d970c26627cd74a6d33245c1

    SHA1

    c9245db372dab519c05b1f12b1c67c4f2359384c

    SHA256

    dc42728b5e65bf8bc5749e3cb310f8c30002329323d389d60f3d647e00cc4f94

    SHA512

    ba9e61e5abc13c72d3df222b6d15e51bfd0ef72274181928662f734534030c70b10d8a446153ac5846e71b8b143bac3822dea66ee1a72b14a5e980abca1b3e38

  • memory/2052-23-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/2052-29-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2052-34-0x00000000043B0000-0x00000000043FE000-memory.dmp

    Filesize

    312KB

  • memory/2052-32-0x0000000002120000-0x0000000002170000-memory.dmp

    Filesize

    320KB

  • memory/2052-19-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/2052-25-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/2052-27-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/2052-21-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/2052-31-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/2052-30-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/2272-2-0x0000000074080000-0x000000007476E000-memory.dmp

    Filesize

    6.9MB

  • memory/2272-1-0x0000000000930000-0x00000000009F6000-memory.dmp

    Filesize

    792KB

  • memory/2272-3-0x0000000000670000-0x0000000000696000-memory.dmp

    Filesize

    152KB

  • memory/2272-0-0x000000007408E000-0x000000007408F000-memory.dmp

    Filesize

    4KB

  • memory/2272-6-0x0000000005D10000-0x0000000005D8E000-memory.dmp

    Filesize

    504KB

  • memory/2272-5-0x0000000074080000-0x000000007476E000-memory.dmp

    Filesize

    6.9MB

  • memory/2272-33-0x0000000074080000-0x000000007476E000-memory.dmp

    Filesize

    6.9MB

  • memory/2272-4-0x000000007408E000-0x000000007408F000-memory.dmp

    Filesize

    4KB