Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2024 21:37

General

  • Target

    3c4fda077af7875169803f444264b41c2c6cc4d20545792762aebd852671176c.exe

  • Size

    992KB

  • MD5

    6a6311e2779309f14eb94cfb1788b259

  • SHA1

    06b63e26c3e052f5603256aceb123aa4c3ab4ffb

  • SHA256

    3c4fda077af7875169803f444264b41c2c6cc4d20545792762aebd852671176c

  • SHA512

    427d759e303659ace15755d08069f2788a89a3c74a59e4d80b4a103b625dbeb49c1b94550813957d3080b3353b412b5e3f1a0ab75dcbf7afff9d554dc5c49ab6

  • SSDEEP

    24576:KzqAzxWGp0bSQPqddTIPkitKTbmvGzXk:KzquWGWbSKqddC8TbmvGzX

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 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3c4fda077af7875169803f444264b41c2c6cc4d20545792762aebd852671176c.exe
    "C:\Users\Admin\AppData\Local\Temp\3c4fda077af7875169803f444264b41c2c6cc4d20545792762aebd852671176c.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1940
    • 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\3c4fda077af7875169803f444264b41c2c6cc4d20545792762aebd852671176c.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4956
    • C:\Users\Admin\AppData\Local\Temp\3c4fda077af7875169803f444264b41c2c6cc4d20545792762aebd852671176c.exe
      "C:\Users\Admin\AppData\Local\Temp\3c4fda077af7875169803f444264b41c2c6cc4d20545792762aebd852671176c.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:3592

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_o5tbqa53.5az.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1940-10-0x0000000006A60000-0x0000000006AEE000-memory.dmp

    Filesize

    568KB

  • memory/1940-0-0x0000000074FBE000-0x0000000074FBF000-memory.dmp

    Filesize

    4KB

  • memory/1940-9-0x0000000074FB0000-0x0000000075760000-memory.dmp

    Filesize

    7.7MB

  • memory/1940-4-0x0000000005370000-0x000000000537A000-memory.dmp

    Filesize

    40KB

  • memory/1940-5-0x0000000074FB0000-0x0000000075760000-memory.dmp

    Filesize

    7.7MB

  • memory/1940-6-0x00000000055E0000-0x000000000567C000-memory.dmp

    Filesize

    624KB

  • memory/1940-7-0x00000000055C0000-0x00000000055D2000-memory.dmp

    Filesize

    72KB

  • memory/1940-8-0x0000000074FBE000-0x0000000074FBF000-memory.dmp

    Filesize

    4KB

  • memory/1940-3-0x0000000005390000-0x0000000005422000-memory.dmp

    Filesize

    584KB

  • memory/1940-2-0x0000000005940000-0x0000000005EE4000-memory.dmp

    Filesize

    5.6MB

  • memory/1940-13-0x0000000074FB0000-0x0000000075760000-memory.dmp

    Filesize

    7.7MB

  • memory/1940-1-0x0000000000860000-0x000000000095E000-memory.dmp

    Filesize

    1016KB

  • memory/3592-21-0x0000000074FB0000-0x0000000075760000-memory.dmp

    Filesize

    7.7MB

  • memory/3592-64-0x0000000074FB0000-0x0000000075760000-memory.dmp

    Filesize

    7.7MB

  • memory/3592-63-0x0000000006DC0000-0x0000000006E10000-memory.dmp

    Filesize

    320KB

  • memory/3592-62-0x0000000006F40000-0x0000000007102000-memory.dmp

    Filesize

    1.8MB

  • memory/3592-61-0x0000000074FB0000-0x0000000075760000-memory.dmp

    Filesize

    7.7MB

  • memory/3592-14-0x0000000074FB0000-0x0000000075760000-memory.dmp

    Filesize

    7.7MB

  • memory/3592-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/4956-31-0x0000000074FB0000-0x0000000075760000-memory.dmp

    Filesize

    7.7MB

  • memory/4956-51-0x00000000073C0000-0x00000000073CA000-memory.dmp

    Filesize

    40KB

  • memory/4956-18-0x0000000004F70000-0x0000000004F92000-memory.dmp

    Filesize

    136KB

  • memory/4956-32-0x0000000005A00000-0x0000000005D54000-memory.dmp

    Filesize

    3.3MB

  • memory/4956-34-0x0000000006020000-0x000000000603E000-memory.dmp

    Filesize

    120KB

  • memory/4956-33-0x0000000074FB0000-0x0000000075760000-memory.dmp

    Filesize

    7.7MB

  • memory/4956-35-0x0000000006060000-0x00000000060AC000-memory.dmp

    Filesize

    304KB

  • memory/4956-36-0x00000000065F0000-0x0000000006622000-memory.dmp

    Filesize

    200KB

  • memory/4956-48-0x0000000007210000-0x00000000072B3000-memory.dmp

    Filesize

    652KB

  • memory/4956-47-0x00000000071F0000-0x000000000720E000-memory.dmp

    Filesize

    120KB

  • memory/4956-37-0x00000000709C0000-0x0000000070A0C000-memory.dmp

    Filesize

    304KB

  • memory/4956-50-0x0000000007350000-0x000000000736A000-memory.dmp

    Filesize

    104KB

  • memory/4956-49-0x0000000007990000-0x000000000800A000-memory.dmp

    Filesize

    6.5MB

  • memory/4956-20-0x0000000005810000-0x0000000005876000-memory.dmp

    Filesize

    408KB

  • memory/4956-52-0x00000000075D0000-0x0000000007666000-memory.dmp

    Filesize

    600KB

  • memory/4956-53-0x0000000007550000-0x0000000007561000-memory.dmp

    Filesize

    68KB

  • memory/4956-54-0x0000000007580000-0x000000000758E000-memory.dmp

    Filesize

    56KB

  • memory/4956-55-0x0000000007590000-0x00000000075A4000-memory.dmp

    Filesize

    80KB

  • memory/4956-56-0x0000000007690000-0x00000000076AA000-memory.dmp

    Filesize

    104KB

  • memory/4956-57-0x0000000007670000-0x0000000007678000-memory.dmp

    Filesize

    32KB

  • memory/4956-60-0x0000000074FB0000-0x0000000075760000-memory.dmp

    Filesize

    7.7MB

  • memory/4956-19-0x0000000005110000-0x0000000005176000-memory.dmp

    Filesize

    408KB

  • memory/4956-17-0x0000000074FB0000-0x0000000075760000-memory.dmp

    Filesize

    7.7MB

  • memory/4956-16-0x00000000051E0000-0x0000000005808000-memory.dmp

    Filesize

    6.2MB

  • memory/4956-15-0x0000000002710000-0x0000000002746000-memory.dmp

    Filesize

    216KB