Analysis

  • max time kernel
    138s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    15-11-2024 03:06

General

  • Target

    e3d34efa98ab95227b84ed48a65ce73b3875f3c0ceaab5ac821fdecb37392eb9.exe

  • Size

    784KB

  • MD5

    f45d95d9be611f61ba9f193ea4676eae

  • SHA1

    8cf82904cb76d2476b5ff36b9072c65b5c414ede

  • SHA256

    e3d34efa98ab95227b84ed48a65ce73b3875f3c0ceaab5ac821fdecb37392eb9

  • SHA512

    4f0597df3e489d6ef23432a7321542ff08965a5fa93198c039e005a86dcdaa9abb60eae484c9cac949fa9d2db6d7548f797af73a6fd8f5bd20ee1a836258aedf

  • SSDEEP

    24576:A5CJVwLNNNizk+m0v5C8IomqxL8q0A9O6y:AY6vNmm0v5Tv/8m9y

Malware Config

Extracted

Family

vipkeylogger

Credentials

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 11 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\e3d34efa98ab95227b84ed48a65ce73b3875f3c0ceaab5ac821fdecb37392eb9.exe
    "C:\Users\Admin\AppData\Local\Temp\e3d34efa98ab95227b84ed48a65ce73b3875f3c0ceaab5ac821fdecb37392eb9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2360
    • 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\e3d34efa98ab95227b84ed48a65ce73b3875f3c0ceaab5ac821fdecb37392eb9.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2824
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KZgaxkBH.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2932
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KZgaxkBH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp52F0.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2848
    • C:\Users\Admin\AppData\Local\Temp\e3d34efa98ab95227b84ed48a65ce73b3875f3c0ceaab5ac821fdecb37392eb9.exe
      "C:\Users\Admin\AppData\Local\Temp\e3d34efa98ab95227b84ed48a65ce73b3875f3c0ceaab5ac821fdecb37392eb9.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp52F0.tmp

    Filesize

    1KB

    MD5

    9c8aa8faf0a185d0c258446e37d45b74

    SHA1

    6e82dc448a0812d48ea52f4f1db8489a85bad4b8

    SHA256

    d5e8f9d8c79a6875df3b499d9079970718d25e5fd9c95440be40312067c1679d

    SHA512

    e66b0e93ae71d9d256d5b6ccc381e4496c6db03bcddeba8fe98699dc66e8c1b8e489e4f5205718bd663e9b045b3bf883f8ed9773ce4829ccbde75a0f8b6614fb

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

    Filesize

    7KB

    MD5

    1efe780b2c6a7c0a7736cb93de2f62a8

    SHA1

    80a3b880fc1fdde744f8ee7d6188e636e86c553c

    SHA256

    2c0f65859e659723467e81e5684b9d973ab5ea5099621a6143745247596c34ea

    SHA512

    eab7d958f3475a1b0c6018eaa905185f06aade833846fde73b5011c0e51ab6c92d26aa5abf78e1db61a49d3797f02013e98f9f670647161430a223f78471440b

  • memory/2360-4-0x0000000074B0E000-0x0000000074B0F000-memory.dmp

    Filesize

    4KB

  • memory/2360-32-0x0000000074B00000-0x00000000751EE000-memory.dmp

    Filesize

    6.9MB

  • memory/2360-0-0x0000000074B0E000-0x0000000074B0F000-memory.dmp

    Filesize

    4KB

  • memory/2360-5-0x0000000074B00000-0x00000000751EE000-memory.dmp

    Filesize

    6.9MB

  • memory/2360-6-0x0000000005180000-0x000000000520E000-memory.dmp

    Filesize

    568KB

  • memory/2360-2-0x0000000074B00000-0x00000000751EE000-memory.dmp

    Filesize

    6.9MB

  • memory/2360-1-0x00000000002C0000-0x000000000038A000-memory.dmp

    Filesize

    808KB

  • memory/2360-3-0x0000000000510000-0x0000000000522000-memory.dmp

    Filesize

    72KB

  • memory/2748-23-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2748-31-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2748-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2748-25-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2748-21-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2748-28-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2748-19-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2748-29-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB