Analysis

  • max time kernel
    121s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-01-2025 02:10

General

  • Target

    1ad584b71b2ebb4fe6418e55f8d261ba662d4ab07e68ff05c1a073580e2419e2.exe

  • Size

    736KB

  • MD5

    b19a7098f74ce79004ffd6a109302ef0

  • SHA1

    206ff16596fc022d321df2687440c7942a3c2d4c

  • SHA256

    1ad584b71b2ebb4fe6418e55f8d261ba662d4ab07e68ff05c1a073580e2419e2

  • SHA512

    913ee9f0949a89b1a62cf93d21fdfbd3127165a2ef6dc6dad5d098c3d772f3ab4f844523a103ef16aeedcb069f3fc154da7a355a8fc0b2f611978a50eb00a3d7

  • SSDEEP

    12288:zNYVYJdaCiBTiid+myis0hDE+iubk5NG4MXpnHXgYfzDDGl+9dVazSxC9C:i+FeTiid/xs8BiukN3MXpQKzDDGlnAR

Malware Config

Extracted

Family

vipkeylogger

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 3 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 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\1ad584b71b2ebb4fe6418e55f8d261ba662d4ab07e68ff05c1a073580e2419e2.exe
    "C:\Users\Admin\AppData\Local\Temp\1ad584b71b2ebb4fe6418e55f8d261ba662d4ab07e68ff05c1a073580e2419e2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1272
    • 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\1ad584b71b2ebb4fe6418e55f8d261ba662d4ab07e68ff05c1a073580e2419e2.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2692
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QGVhHsAOjb.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2844
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QGVhHsAOjb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD3F2.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2892
    • C:\Users\Admin\AppData\Local\Temp\1ad584b71b2ebb4fe6418e55f8d261ba662d4ab07e68ff05c1a073580e2419e2.exe
      "C:\Users\Admin\AppData\Local\Temp\1ad584b71b2ebb4fe6418e55f8d261ba662d4ab07e68ff05c1a073580e2419e2.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:2932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpD3F2.tmp

    Filesize

    1KB

    MD5

    758412ebac1880650b8b2dfd327969a6

    SHA1

    6a6bb623a0b8b36a148a2fc7a508255b395e43bc

    SHA256

    57630bc8660cde2dd2812eccd3345bdb8a117f12aa9283b6c4aea5fde1dd9229

    SHA512

    a461416fd931f4d49f140afe391eb0baea05ff10f5e450e08ccf7880283f93e69137cd7dbe6a7b0e24bb8e3892927264e798a9ea35994e23be314bc69b9ad019

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\60GEGSDF051AG11GZ5FI.temp

    Filesize

    7KB

    MD5

    00703bdbf1e873851d1ba05100c7b947

    SHA1

    0749a0838d6e7fc8504341ba053c16e05aa3722c

    SHA256

    8ac9efc67a72774878dae0848c1fe21e1688d34f7cf1c6225c4591aaa7666aad

    SHA512

    362103aa776b02212536aab6243f3314ded0df08c3be02d1f52ec7275c8f5039b4703218c494822472dab765e24f0a74d07dad46ed2a68a959e3ff852cc4e338

  • memory/1272-5-0x0000000074B80000-0x000000007526E000-memory.dmp

    Filesize

    6.9MB

  • memory/1272-34-0x0000000074B80000-0x000000007526E000-memory.dmp

    Filesize

    6.9MB

  • memory/1272-4-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

    Filesize

    4KB

  • memory/1272-0-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

    Filesize

    4KB

  • memory/1272-6-0x0000000001F60000-0x0000000001F6E000-memory.dmp

    Filesize

    56KB

  • memory/1272-7-0x0000000001F70000-0x0000000001F86000-memory.dmp

    Filesize

    88KB

  • memory/1272-8-0x0000000005AE0000-0x0000000005B6E000-memory.dmp

    Filesize

    568KB

  • memory/1272-2-0x0000000074B80000-0x000000007526E000-memory.dmp

    Filesize

    6.9MB

  • memory/1272-1-0x0000000000A10000-0x0000000000ACE000-memory.dmp

    Filesize

    760KB

  • memory/1272-3-0x0000000001F40000-0x0000000001F58000-memory.dmp

    Filesize

    96KB

  • memory/2932-23-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2932-21-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2932-33-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2932-31-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2932-30-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2932-29-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2932-27-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2932-25-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB