Analysis

  • max time kernel
    120s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25-09-2024 01:53

General

  • Target

    61273d957fcca98eed2c70d8475bc6f8dc9b637246e998727f6771a915c69bb0.exe

  • Size

    682KB

  • MD5

    7a89cfd55b6dcbbe3df7b83eff0bf861

  • SHA1

    e455b447960fb01b99587149c7dd1ab2f6b62d79

  • SHA256

    61273d957fcca98eed2c70d8475bc6f8dc9b637246e998727f6771a915c69bb0

  • SHA512

    75de6a2e9c98f11115c02abdb176f7e42fe5fdfc913f13b162e762812898834807c225c4a624eaa3201d4818c0adc760c66fd0855f0c01b69e19573eea6d76b4

  • SSDEEP

    12288:k08bQbNO4o5PvOCjcUaS/PyruK/TunvIzl9R2Q5ikdPOwniuoo6cfOZ:knItSOCjjqaG4gJrCwni9hS

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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\61273d957fcca98eed2c70d8475bc6f8dc9b637246e998727f6771a915c69bb0.exe
    "C:\Users\Admin\AppData\Local\Temp\61273d957fcca98eed2c70d8475bc6f8dc9b637246e998727f6771a915c69bb0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2444
    • 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\61273d957fcca98eed2c70d8475bc6f8dc9b637246e998727f6771a915c69bb0.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2400
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\aXrHAJsui.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2580
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aXrHAJsui" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEC23.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1896
    • C:\Users\Admin\AppData\Local\Temp\61273d957fcca98eed2c70d8475bc6f8dc9b637246e998727f6771a915c69bb0.exe
      "C:\Users\Admin\AppData\Local\Temp\61273d957fcca98eed2c70d8475bc6f8dc9b637246e998727f6771a915c69bb0.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:2796

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpEC23.tmp

    Filesize

    1KB

    MD5

    c9197d1e9186319ac046adfa418591e6

    SHA1

    dedcd677e1e4ea7a8814fa5c653efe0e65b3f734

    SHA256

    8640558b6a7f6f5e7a0f87a8195a2d5e478d10c526016ecd21770cab729f1207

    SHA512

    959b636679d07f9c02deef02b8d52c2767e0115cf46bafb022a108a6f2e8a6633b085f696ed476aaf225ecf45efbb1ec3b207fab350b43c75720328c27a9c5ac

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

    Filesize

    7KB

    MD5

    56e96a70cb8c38ebc421c9e887ab8468

    SHA1

    97066393d2ff17ed6c7757531981b9e6bf8c9d55

    SHA256

    3bc131662674a88aeef3397b73830f1fbd4b8ebd382fcf4813ee967eed19b54b

    SHA512

    6171354ecc0ed64f69b6ff36335ceb338a93392b9f79693df16b29fc52725f33dcc1ba7bf0c899e49682552dd146cb931707245596f38b851e675b0381fa475d

  • memory/2444-4-0x0000000073CCE000-0x0000000073CCF000-memory.dmp

    Filesize

    4KB

  • memory/2444-31-0x0000000073CC0000-0x00000000743AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2444-0-0x0000000073CCE000-0x0000000073CCF000-memory.dmp

    Filesize

    4KB

  • memory/2444-5-0x0000000073CC0000-0x00000000743AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2444-6-0x0000000005340000-0x00000000053CC000-memory.dmp

    Filesize

    560KB

  • memory/2444-2-0x0000000073CC0000-0x00000000743AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2444-1-0x0000000000D40000-0x0000000000DF0000-memory.dmp

    Filesize

    704KB

  • memory/2444-3-0x00000000005C0000-0x00000000005D2000-memory.dmp

    Filesize

    72KB

  • memory/2796-19-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2796-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2796-30-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2796-29-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2796-28-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2796-25-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2796-23-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2796-21-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB