Analysis

  • max time kernel
    117s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-10-2024 08:07

General

  • Target

    malw.exe

  • Size

    800KB

  • MD5

    0831483725b8a67ce53d16389968f617

  • SHA1

    e4b4e521700ae26026f0df1906e54aadcb430bb1

  • SHA256

    5fac27b8152ef82450dc013d3cb4cad4601df760ede1e3189e50e4e980f7bc7d

  • SHA512

    4ae77689fe65b3967c544c3535971f91e7254989abd126c631dee074bd37eb95240fd560a5f330f750512316bc65d0b90ce4a3bc3ada17453b252c8fe93730ca

  • SSDEEP

    12288:41ZF8KpTlJU74qoqmW1OS4UvvnZ61DjyiU/7g8JDwOJGVp7CH3TNAc:4yc7Erv1oQvZKDWT7g85wPvkAc

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.

  • 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 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\malw.exe
    "C:\Users\Admin\AppData\Local\Temp\malw.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:4844
    • 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\malw.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2060
    • C:\Users\Admin\AppData\Local\Temp\malw.exe
      "C:\Users\Admin\AppData\Local\Temp\malw.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:4856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_04h32uqt.w5c.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2060-51-0x0000000007AF0000-0x0000000007AFA000-memory.dmp

    Filesize

    40KB

  • memory/2060-47-0x0000000006D00000-0x0000000006D1E000-memory.dmp

    Filesize

    120KB

  • memory/2060-21-0x0000000006050000-0x00000000060B6000-memory.dmp

    Filesize

    408KB

  • memory/2060-60-0x0000000075010000-0x00000000757C0000-memory.dmp

    Filesize

    7.7MB

  • memory/2060-57-0x0000000007D90000-0x0000000007D98000-memory.dmp

    Filesize

    32KB

  • memory/2060-56-0x0000000007DB0000-0x0000000007DCA000-memory.dmp

    Filesize

    104KB

  • memory/2060-55-0x0000000007CB0000-0x0000000007CC4000-memory.dmp

    Filesize

    80KB

  • memory/2060-54-0x0000000007CA0000-0x0000000007CAE000-memory.dmp

    Filesize

    56KB

  • memory/2060-53-0x0000000007C70000-0x0000000007C81000-memory.dmp

    Filesize

    68KB

  • memory/2060-52-0x0000000007CF0000-0x0000000007D86000-memory.dmp

    Filesize

    600KB

  • memory/2060-50-0x0000000007A70000-0x0000000007A8A000-memory.dmp

    Filesize

    104KB

  • memory/2060-49-0x00000000080C0000-0x000000000873A000-memory.dmp

    Filesize

    6.5MB

  • memory/2060-48-0x0000000007750000-0x00000000077F3000-memory.dmp

    Filesize

    652KB

  • memory/2060-35-0x0000000006780000-0x00000000067CC000-memory.dmp

    Filesize

    304KB

  • memory/2060-16-0x0000000002E20000-0x0000000002E56000-memory.dmp

    Filesize

    216KB

  • memory/2060-28-0x0000000006140000-0x0000000006494000-memory.dmp

    Filesize

    3.3MB

  • memory/2060-19-0x0000000005970000-0x0000000005992000-memory.dmp

    Filesize

    136KB

  • memory/2060-18-0x0000000075010000-0x00000000757C0000-memory.dmp

    Filesize

    7.7MB

  • memory/2060-20-0x0000000075010000-0x00000000757C0000-memory.dmp

    Filesize

    7.7MB

  • memory/2060-22-0x00000000060C0000-0x0000000006126000-memory.dmp

    Filesize

    408KB

  • memory/2060-37-0x0000000070B60000-0x0000000070BAC000-memory.dmp

    Filesize

    304KB

  • memory/2060-36-0x0000000006D20000-0x0000000006D52000-memory.dmp

    Filesize

    200KB

  • memory/2060-17-0x00000000059B0000-0x0000000005FD8000-memory.dmp

    Filesize

    6.2MB

  • memory/2060-33-0x0000000075010000-0x00000000757C0000-memory.dmp

    Filesize

    7.7MB

  • memory/2060-34-0x0000000006750000-0x000000000676E000-memory.dmp

    Filesize

    120KB

  • memory/4844-4-0x0000000075010000-0x00000000757C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4844-5-0x0000000005670000-0x000000000567A000-memory.dmp

    Filesize

    40KB

  • memory/4844-3-0x00000000056A0000-0x0000000005732000-memory.dmp

    Filesize

    584KB

  • memory/4844-1-0x0000000000BA0000-0x0000000000C6E000-memory.dmp

    Filesize

    824KB

  • memory/4844-14-0x0000000075010000-0x00000000757C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4844-2-0x0000000005BB0000-0x0000000006154000-memory.dmp

    Filesize

    5.6MB

  • memory/4844-6-0x0000000005A90000-0x0000000005AAE000-memory.dmp

    Filesize

    120KB

  • memory/4844-0-0x000000007501E000-0x000000007501F000-memory.dmp

    Filesize

    4KB

  • memory/4844-10-0x000000000B2F0000-0x000000000B38C000-memory.dmp

    Filesize

    624KB

  • memory/4844-9-0x0000000005020000-0x00000000050AC000-memory.dmp

    Filesize

    560KB

  • memory/4844-8-0x0000000075010000-0x00000000757C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4844-7-0x000000007501E000-0x000000007501F000-memory.dmp

    Filesize

    4KB

  • memory/4856-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/4856-13-0x0000000075010000-0x00000000757C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4856-15-0x0000000075010000-0x00000000757C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4856-61-0x0000000006A70000-0x0000000006C32000-memory.dmp

    Filesize

    1.8MB

  • memory/4856-62-0x0000000006910000-0x0000000006960000-memory.dmp

    Filesize

    320KB

  • memory/4856-63-0x0000000075010000-0x00000000757C0000-memory.dmp

    Filesize

    7.7MB