Analysis

  • max time kernel
    146s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-12-2024 03:06

General

  • Target

    b18c49928df6ae4731974d6c30dea8b4149e12d6b3e1f916c7f7deb7e6db33ec.exe

  • Size

    782KB

  • MD5

    f48321315b6243f8a68c81f742237119

  • SHA1

    5362e11b2fab8a0fe25aab50d34dcc196aa50dd7

  • SHA256

    b18c49928df6ae4731974d6c30dea8b4149e12d6b3e1f916c7f7deb7e6db33ec

  • SHA512

    b5bdb53a130af093a452343ffe9d232b91a31a41089c11cd7be46606a6de5ed14559337d0d1ad150442c734067a833bf5177bbd3509679c87a1a76065b6cdc34

  • SSDEEP

    12288:QVIR4R52J+XtIK6YMNM7zPNQZDwzxeWh3/2Knr5CQikJYLHtaIR:QVIeeXKCNM7x0SJOePKgI

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 1 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b18c49928df6ae4731974d6c30dea8b4149e12d6b3e1f916c7f7deb7e6db33ec.exe
    "C:\Users\Admin\AppData\Local\Temp\b18c49928df6ae4731974d6c30dea8b4149e12d6b3e1f916c7f7deb7e6db33ec.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1100
    • 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\b18c49928df6ae4731974d6c30dea8b4149e12d6b3e1f916c7f7deb7e6db33ec.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4652
    • C:\Users\Admin\AppData\Local\Temp\b18c49928df6ae4731974d6c30dea8b4149e12d6b3e1f916c7f7deb7e6db33ec.exe
      "C:\Users\Admin\AppData\Local\Temp\b18c49928df6ae4731974d6c30dea8b4149e12d6b3e1f916c7f7deb7e6db33ec.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1492

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\b18c49928df6ae4731974d6c30dea8b4149e12d6b3e1f916c7f7deb7e6db33ec.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tssx2h33.ep1.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1100-10-0x000000000C210000-0x000000000C2AC000-memory.dmp

    Filesize

    624KB

  • memory/1100-1-0x0000000000480000-0x000000000054A000-memory.dmp

    Filesize

    808KB

  • memory/1100-4-0x0000000075350000-0x0000000075B00000-memory.dmp

    Filesize

    7.7MB

  • memory/1100-5-0x0000000004930000-0x000000000493A000-memory.dmp

    Filesize

    40KB

  • memory/1100-6-0x0000000007630000-0x0000000007648000-memory.dmp

    Filesize

    96KB

  • memory/1100-7-0x000000007535E000-0x000000007535F000-memory.dmp

    Filesize

    4KB

  • memory/1100-8-0x0000000075350000-0x0000000075B00000-memory.dmp

    Filesize

    7.7MB

  • memory/1100-9-0x0000000008C50000-0x0000000008CDE000-memory.dmp

    Filesize

    568KB

  • memory/1100-0-0x000000007535E000-0x000000007535F000-memory.dmp

    Filesize

    4KB

  • memory/1100-3-0x00000000073F0000-0x0000000007482000-memory.dmp

    Filesize

    584KB

  • memory/1100-2-0x00000000078A0000-0x0000000007E44000-memory.dmp

    Filesize

    5.6MB

  • memory/1100-15-0x0000000075350000-0x0000000075B00000-memory.dmp

    Filesize

    7.7MB

  • memory/1492-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1492-66-0x0000000075350000-0x0000000075B00000-memory.dmp

    Filesize

    7.7MB

  • memory/1492-65-0x0000000006CA0000-0x00000000071CC000-memory.dmp

    Filesize

    5.2MB

  • memory/1492-64-0x0000000006440000-0x0000000006490000-memory.dmp

    Filesize

    320KB

  • memory/1492-63-0x0000000075350000-0x0000000075B00000-memory.dmp

    Filesize

    7.7MB

  • memory/1492-62-0x00000000065A0000-0x0000000006762000-memory.dmp

    Filesize

    1.8MB

  • memory/1492-21-0x0000000075350000-0x0000000075B00000-memory.dmp

    Filesize

    7.7MB

  • memory/1492-14-0x0000000075350000-0x0000000075B00000-memory.dmp

    Filesize

    7.7MB

  • memory/4652-24-0x0000000005650000-0x00000000056B6000-memory.dmp

    Filesize

    408KB

  • memory/4652-53-0x0000000007200000-0x0000000007296000-memory.dmp

    Filesize

    600KB

  • memory/4652-23-0x0000000005570000-0x00000000055D6000-memory.dmp

    Filesize

    408KB

  • memory/4652-34-0x00000000056C0000-0x0000000005A14000-memory.dmp

    Filesize

    3.3MB

  • memory/4652-35-0x0000000005C30000-0x0000000005C4E000-memory.dmp

    Filesize

    120KB

  • memory/4652-36-0x0000000006190000-0x00000000061DC000-memory.dmp

    Filesize

    304KB

  • memory/4652-37-0x0000000006200000-0x0000000006232000-memory.dmp

    Filesize

    200KB

  • memory/4652-38-0x0000000070C30000-0x0000000070C7C000-memory.dmp

    Filesize

    304KB

  • memory/4652-48-0x0000000006290000-0x00000000062AE000-memory.dmp

    Filesize

    120KB

  • memory/4652-49-0x0000000006E50000-0x0000000006EF3000-memory.dmp

    Filesize

    652KB

  • memory/4652-50-0x00000000075C0000-0x0000000007C3A000-memory.dmp

    Filesize

    6.5MB

  • memory/4652-51-0x0000000006F80000-0x0000000006F9A000-memory.dmp

    Filesize

    104KB

  • memory/4652-52-0x0000000006FF0000-0x0000000006FFA000-memory.dmp

    Filesize

    40KB

  • memory/4652-22-0x00000000054D0000-0x00000000054F2000-memory.dmp

    Filesize

    136KB

  • memory/4652-54-0x0000000007180000-0x0000000007191000-memory.dmp

    Filesize

    68KB

  • memory/4652-55-0x00000000071B0000-0x00000000071BE000-memory.dmp

    Filesize

    56KB

  • memory/4652-56-0x00000000071C0000-0x00000000071D4000-memory.dmp

    Filesize

    80KB

  • memory/4652-57-0x00000000072C0000-0x00000000072DA000-memory.dmp

    Filesize

    104KB

  • memory/4652-58-0x00000000072A0000-0x00000000072A8000-memory.dmp

    Filesize

    32KB

  • memory/4652-61-0x0000000075350000-0x0000000075B00000-memory.dmp

    Filesize

    7.7MB

  • memory/4652-20-0x0000000075350000-0x0000000075B00000-memory.dmp

    Filesize

    7.7MB

  • memory/4652-19-0x0000000075350000-0x0000000075B00000-memory.dmp

    Filesize

    7.7MB

  • memory/4652-18-0x0000000004DE0000-0x0000000005408000-memory.dmp

    Filesize

    6.2MB

  • memory/4652-17-0x0000000075350000-0x0000000075B00000-memory.dmp

    Filesize

    7.7MB

  • memory/4652-16-0x0000000004680000-0x00000000046B6000-memory.dmp

    Filesize

    216KB