Analysis

  • max time kernel
    128s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2024 01:07

General

  • Target

    37d95650ce61a4f265d21b47de3c7980f5ba2820f66e90add25147096ce682b3.exe

  • Size

    766KB

  • MD5

    3e9424c0379b02d4a15cbd5a0748757b

  • SHA1

    bdf1a9dc926aff66b99708180b2f06e2606cff0e

  • SHA256

    37d95650ce61a4f265d21b47de3c7980f5ba2820f66e90add25147096ce682b3

  • SHA512

    ec522b61c1910e26266fcb37158e4a1fd0436905ce4c5e6841e652b27b9b91170cce2e9b22b60491637b96cc6a9779dd10f84c998321a869684ff9b65b01f6b7

  • SSDEEP

    12288:onCb+eCSmwdQxXiX4XxZ3xgeHcC+mxtpPrEzIlTBtMu04qxA9TWAp73JWA0hpsy:ouCqdISohNxgs+mRDdFtMu04qxyTWApb

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 8 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\37d95650ce61a4f265d21b47de3c7980f5ba2820f66e90add25147096ce682b3.exe
    "C:\Users\Admin\AppData\Local\Temp\37d95650ce61a4f265d21b47de3c7980f5ba2820f66e90add25147096ce682b3.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:2708
    • 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\37d95650ce61a4f265d21b47de3c7980f5ba2820f66e90add25147096ce682b3.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2808
    • C:\Users\Admin\AppData\Local\Temp\37d95650ce61a4f265d21b47de3c7980f5ba2820f66e90add25147096ce682b3.exe
      "C:\Users\Admin\AppData\Local\Temp\37d95650ce61a4f265d21b47de3c7980f5ba2820f66e90add25147096ce682b3.exe"
      2⤵
        PID:1520
      • C:\Users\Admin\AppData\Local\Temp\37d95650ce61a4f265d21b47de3c7980f5ba2820f66e90add25147096ce682b3.exe
        "C:\Users\Admin\AppData\Local\Temp\37d95650ce61a4f265d21b47de3c7980f5ba2820f66e90add25147096ce682b3.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:1484

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wrei2zos.ebf.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/1484-11-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/1484-19-0x0000000074F10000-0x00000000756C0000-memory.dmp

      Filesize

      7.7MB

    • memory/1484-61-0x0000000074F10000-0x00000000756C0000-memory.dmp

      Filesize

      7.7MB

    • memory/1484-62-0x00000000069B0000-0x0000000006B72000-memory.dmp

      Filesize

      1.8MB

    • memory/1484-63-0x0000000006850000-0x00000000068A0000-memory.dmp

      Filesize

      320KB

    • memory/1484-13-0x0000000074F10000-0x00000000756C0000-memory.dmp

      Filesize

      7.7MB

    • memory/2708-8-0x0000000074F1E000-0x0000000074F1F000-memory.dmp

      Filesize

      4KB

    • memory/2708-0-0x0000000074F1E000-0x0000000074F1F000-memory.dmp

      Filesize

      4KB

    • memory/2708-9-0x0000000074F10000-0x00000000756C0000-memory.dmp

      Filesize

      7.7MB

    • memory/2708-10-0x0000000008710000-0x000000000879E000-memory.dmp

      Filesize

      568KB

    • memory/2708-7-0x0000000005DA0000-0x0000000005DBC000-memory.dmp

      Filesize

      112KB

    • memory/2708-14-0x0000000074F10000-0x00000000756C0000-memory.dmp

      Filesize

      7.7MB

    • memory/2708-6-0x0000000005B40000-0x0000000005B4A000-memory.dmp

      Filesize

      40KB

    • memory/2708-5-0x0000000074F10000-0x00000000756C0000-memory.dmp

      Filesize

      7.7MB

    • memory/2708-4-0x00000000059B0000-0x0000000005A4C000-memory.dmp

      Filesize

      624KB

    • memory/2708-3-0x0000000005910000-0x00000000059A2000-memory.dmp

      Filesize

      584KB

    • memory/2708-2-0x0000000005EC0000-0x0000000006464000-memory.dmp

      Filesize

      5.6MB

    • memory/2708-1-0x0000000000E30000-0x0000000000EF6000-memory.dmp

      Filesize

      792KB

    • memory/2808-23-0x00000000061E0000-0x0000000006246000-memory.dmp

      Filesize

      408KB

    • memory/2808-50-0x0000000007BA0000-0x0000000007BBA000-memory.dmp

      Filesize

      104KB

    • memory/2808-22-0x0000000006100000-0x0000000006166000-memory.dmp

      Filesize

      408KB

    • memory/2808-20-0x0000000074F10000-0x00000000756C0000-memory.dmp

      Filesize

      7.7MB

    • memory/2808-18-0x0000000005AD0000-0x00000000060F8000-memory.dmp

      Filesize

      6.2MB

    • memory/2808-33-0x0000000006250000-0x00000000065A4000-memory.dmp

      Filesize

      3.3MB

    • memory/2808-34-0x0000000006870000-0x000000000688E000-memory.dmp

      Filesize

      120KB

    • memory/2808-35-0x00000000068B0000-0x00000000068FC000-memory.dmp

      Filesize

      304KB

    • memory/2808-37-0x0000000070940000-0x000000007098C000-memory.dmp

      Filesize

      304KB

    • memory/2808-36-0x0000000007A30000-0x0000000007A62000-memory.dmp

      Filesize

      200KB

    • memory/2808-47-0x0000000006E50000-0x0000000006E6E000-memory.dmp

      Filesize

      120KB

    • memory/2808-48-0x0000000007A70000-0x0000000007B13000-memory.dmp

      Filesize

      652KB

    • memory/2808-49-0x00000000081E0000-0x000000000885A000-memory.dmp

      Filesize

      6.5MB

    • memory/2808-21-0x00000000058A0000-0x00000000058C2000-memory.dmp

      Filesize

      136KB

    • memory/2808-51-0x0000000007C10000-0x0000000007C1A000-memory.dmp

      Filesize

      40KB

    • memory/2808-52-0x0000000007E20000-0x0000000007EB6000-memory.dmp

      Filesize

      600KB

    • memory/2808-53-0x0000000007DA0000-0x0000000007DB1000-memory.dmp

      Filesize

      68KB

    • memory/2808-54-0x0000000007DD0000-0x0000000007DDE000-memory.dmp

      Filesize

      56KB

    • memory/2808-55-0x0000000007DE0000-0x0000000007DF4000-memory.dmp

      Filesize

      80KB

    • memory/2808-56-0x0000000007EE0000-0x0000000007EFA000-memory.dmp

      Filesize

      104KB

    • memory/2808-57-0x0000000007EC0000-0x0000000007EC8000-memory.dmp

      Filesize

      32KB

    • memory/2808-60-0x0000000074F10000-0x00000000756C0000-memory.dmp

      Filesize

      7.7MB

    • memory/2808-17-0x00000000052D0000-0x0000000005306000-memory.dmp

      Filesize

      216KB

    • memory/2808-16-0x0000000074F10000-0x00000000756C0000-memory.dmp

      Filesize

      7.7MB

    • memory/2808-15-0x0000000074F10000-0x00000000756C0000-memory.dmp

      Filesize

      7.7MB