Analysis

  • max time kernel
    121s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-11-2024 10:59

General

  • Target

    cbe61e9038fcec33f02c0821aec4fd71.exe

  • Size

    864KB

  • MD5

    cbe61e9038fcec33f02c0821aec4fd71

  • SHA1

    4c17ce6e305342df5becf4c17179c02c69944adf

  • SHA256

    0286690ba3e9b859e9fd52d6344d65a00987556394a224da17cfc5fb3a87c3ad

  • SHA512

    8f8f967d194a72d294d81b1efae61c68e9d216333fc8065c91fca73a6158996e8e505436c101b78e4c2753043ac8426f0325117ebbb3c7d97577d80d4003bfe7

  • SSDEEP

    12288:jL3rQQJFkHuUbhRJ9GJBrlK3LytLtksIcF3RZJs7w4grdxUQGlqssDMRlY3:LQgFYu4b4tecptslIdx8qssUY

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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cbe61e9038fcec33f02c0821aec4fd71.exe
    "C:\Users\Admin\AppData\Local\Temp\cbe61e9038fcec33f02c0821aec4fd71.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:1752
    • 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\cbe61e9038fcec33f02c0821aec4fd71.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1248
    • C:\Users\Admin\AppData\Local\Temp\cbe61e9038fcec33f02c0821aec4fd71.exe
      "C:\Users\Admin\AppData\Local\Temp\cbe61e9038fcec33f02c0821aec4fd71.exe"
      2⤵
        PID:4556
      • C:\Users\Admin\AppData\Local\Temp\cbe61e9038fcec33f02c0821aec4fd71.exe
        "C:\Users\Admin\AppData\Local\Temp\cbe61e9038fcec33f02c0821aec4fd71.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:412

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_v2rw2cpq.imy.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/412-12-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/412-65-0x00000000064C0000-0x0000000006510000-memory.dmp

      Filesize

      320KB

    • memory/412-64-0x0000000006640000-0x0000000006802000-memory.dmp

      Filesize

      1.8MB

    • memory/412-63-0x0000000074A80000-0x0000000075230000-memory.dmp

      Filesize

      7.7MB

    • memory/412-62-0x0000000074A80000-0x0000000075230000-memory.dmp

      Filesize

      7.7MB

    • memory/412-24-0x0000000074A80000-0x0000000075230000-memory.dmp

      Filesize

      7.7MB

    • memory/412-14-0x0000000074A80000-0x0000000075230000-memory.dmp

      Filesize

      7.7MB

    • memory/1248-51-0x0000000006E10000-0x0000000006E2A000-memory.dmp

      Filesize

      104KB

    • memory/1248-36-0x0000000005B20000-0x0000000005B6C000-memory.dmp

      Filesize

      304KB

    • memory/1248-61-0x0000000074A80000-0x0000000075230000-memory.dmp

      Filesize

      7.7MB

    • memory/1248-58-0x0000000007130000-0x0000000007138000-memory.dmp

      Filesize

      32KB

    • memory/1248-57-0x0000000007150000-0x000000000716A000-memory.dmp

      Filesize

      104KB

    • memory/1248-56-0x0000000007050000-0x0000000007064000-memory.dmp

      Filesize

      80KB

    • memory/1248-55-0x0000000007040000-0x000000000704E000-memory.dmp

      Filesize

      56KB

    • memory/1248-18-0x0000000074A80000-0x0000000075230000-memory.dmp

      Filesize

      7.7MB

    • memory/1248-17-0x0000000004D70000-0x0000000005398000-memory.dmp

      Filesize

      6.2MB

    • memory/1248-16-0x00000000021D0000-0x0000000002206000-memory.dmp

      Filesize

      216KB

    • memory/1248-19-0x0000000074A80000-0x0000000075230000-memory.dmp

      Filesize

      7.7MB

    • memory/1248-20-0x0000000074A80000-0x0000000075230000-memory.dmp

      Filesize

      7.7MB

    • memory/1248-23-0x00000000053A0000-0x0000000005406000-memory.dmp

      Filesize

      408KB

    • memory/1248-22-0x0000000004CE0000-0x0000000004D46000-memory.dmp

      Filesize

      408KB

    • memory/1248-21-0x0000000004C40000-0x0000000004C62000-memory.dmp

      Filesize

      136KB

    • memory/1248-54-0x0000000007010000-0x0000000007021000-memory.dmp

      Filesize

      68KB

    • memory/1248-25-0x00000000054D0000-0x0000000005824000-memory.dmp

      Filesize

      3.3MB

    • memory/1248-53-0x0000000007090000-0x0000000007126000-memory.dmp

      Filesize

      600KB

    • memory/1248-35-0x0000000005AF0000-0x0000000005B0E000-memory.dmp

      Filesize

      120KB

    • memory/1248-52-0x0000000006E90000-0x0000000006E9A000-memory.dmp

      Filesize

      40KB

    • memory/1248-37-0x00000000060B0000-0x00000000060E2000-memory.dmp

      Filesize

      200KB

    • memory/1248-38-0x00000000704B0000-0x00000000704FC000-memory.dmp

      Filesize

      304KB

    • memory/1248-48-0x0000000006090000-0x00000000060AE000-memory.dmp

      Filesize

      120KB

    • memory/1248-49-0x0000000006CF0000-0x0000000006D93000-memory.dmp

      Filesize

      652KB

    • memory/1248-50-0x0000000007460000-0x0000000007ADA000-memory.dmp

      Filesize

      6.5MB

    • memory/1752-8-0x0000000005BC0000-0x0000000005BDC000-memory.dmp

      Filesize

      112KB

    • memory/1752-9-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

      Filesize

      4KB

    • memory/1752-5-0x00000000059B0000-0x00000000059BA000-memory.dmp

      Filesize

      40KB

    • memory/1752-6-0x0000000005BF0000-0x0000000005C8C000-memory.dmp

      Filesize

      624KB

    • memory/1752-15-0x0000000074A80000-0x0000000075230000-memory.dmp

      Filesize

      7.7MB

    • memory/1752-7-0x0000000007310000-0x00000000073E4000-memory.dmp

      Filesize

      848KB

    • memory/1752-0-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

      Filesize

      4KB

    • memory/1752-11-0x0000000003180000-0x000000000320C000-memory.dmp

      Filesize

      560KB

    • memory/1752-10-0x0000000074A80000-0x0000000075230000-memory.dmp

      Filesize

      7.7MB

    • memory/1752-4-0x0000000074A80000-0x0000000075230000-memory.dmp

      Filesize

      7.7MB

    • memory/1752-3-0x00000000058D0000-0x0000000005962000-memory.dmp

      Filesize

      584KB

    • memory/1752-2-0x0000000005F60000-0x0000000006504000-memory.dmp

      Filesize

      5.6MB

    • memory/1752-1-0x0000000000E30000-0x0000000000F0C000-memory.dmp

      Filesize

      880KB