Analysis

  • max time kernel
    131s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2024 02:27

General

  • Target

    4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe

  • Size

    737KB

  • MD5

    99334c137b21036493a00305cd3189da

  • SHA1

    3f4e22efc054a79fe7f1644b564f7a78d438f497

  • SHA256

    4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc

  • SHA512

    b734366e0678853abdf0e4704abeb88a545156b210d2243f9019e2506f40e6ba640f74b069e1753305245bd1a7376ff9dff462661419a52100e0d1901c976406

  • SSDEEP

    12288:h15vH3RbeXyL05XULmZtHnZW11dSduUmDAqpNjm8M4FK/e3LsNejj1x9/:hnvH35eXNYulnZ6dSTmDQ8LE/APj1n

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 11 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\4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe
    "C:\Users\Admin\AppData\Local\Temp\4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.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:4560
    • 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\4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3556
    • C:\Users\Admin\AppData\Local\Temp\4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe
      "C:\Users\Admin\AppData\Local\Temp\4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:448

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cobwjrsh.k1e.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/448-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/448-64-0x0000000074760000-0x0000000074F10000-memory.dmp

    Filesize

    7.7MB

  • memory/448-63-0x0000000007060000-0x000000000758C000-memory.dmp

    Filesize

    5.2MB

  • memory/448-62-0x00000000067E0000-0x0000000006830000-memory.dmp

    Filesize

    320KB

  • memory/448-61-0x0000000006960000-0x0000000006B22000-memory.dmp

    Filesize

    1.8MB

  • memory/448-16-0x0000000074760000-0x0000000074F10000-memory.dmp

    Filesize

    7.7MB

  • memory/448-13-0x0000000074760000-0x0000000074F10000-memory.dmp

    Filesize

    7.7MB

  • memory/3556-32-0x0000000074760000-0x0000000074F10000-memory.dmp

    Filesize

    7.7MB

  • memory/3556-36-0x0000000006F30000-0x0000000006F62000-memory.dmp

    Filesize

    200KB

  • memory/3556-60-0x0000000074760000-0x0000000074F10000-memory.dmp

    Filesize

    7.7MB

  • memory/3556-57-0x0000000007FA0000-0x0000000007FA8000-memory.dmp

    Filesize

    32KB

  • memory/3556-56-0x0000000007FC0000-0x0000000007FDA000-memory.dmp

    Filesize

    104KB

  • memory/3556-55-0x0000000007EC0000-0x0000000007ED4000-memory.dmp

    Filesize

    80KB

  • memory/3556-54-0x0000000007EB0000-0x0000000007EBE000-memory.dmp

    Filesize

    56KB

  • memory/3556-15-0x0000000003010000-0x0000000003046000-memory.dmp

    Filesize

    216KB

  • memory/3556-17-0x0000000005CC0000-0x00000000062E8000-memory.dmp

    Filesize

    6.2MB

  • memory/3556-18-0x0000000005890000-0x00000000058B2000-memory.dmp

    Filesize

    136KB

  • memory/3556-20-0x0000000005B10000-0x0000000005B76000-memory.dmp

    Filesize

    408KB

  • memory/3556-19-0x0000000005A30000-0x0000000005A96000-memory.dmp

    Filesize

    408KB

  • memory/3556-53-0x0000000007E80000-0x0000000007E91000-memory.dmp

    Filesize

    68KB

  • memory/3556-31-0x0000000074760000-0x0000000074F10000-memory.dmp

    Filesize

    7.7MB

  • memory/3556-52-0x0000000007F00000-0x0000000007F96000-memory.dmp

    Filesize

    600KB

  • memory/3556-30-0x0000000006310000-0x0000000006664000-memory.dmp

    Filesize

    3.3MB

  • memory/3556-33-0x0000000006950000-0x000000000696E000-memory.dmp

    Filesize

    120KB

  • memory/3556-34-0x0000000006990000-0x00000000069DC000-memory.dmp

    Filesize

    304KB

  • memory/3556-35-0x0000000074760000-0x0000000074F10000-memory.dmp

    Filesize

    7.7MB

  • memory/3556-51-0x0000000007CF0000-0x0000000007CFA000-memory.dmp

    Filesize

    40KB

  • memory/3556-37-0x0000000070400000-0x000000007044C000-memory.dmp

    Filesize

    304KB

  • memory/3556-47-0x0000000007B20000-0x0000000007B3E000-memory.dmp

    Filesize

    120KB

  • memory/3556-48-0x0000000007B50000-0x0000000007BF3000-memory.dmp

    Filesize

    652KB

  • memory/3556-49-0x0000000008320000-0x000000000899A000-memory.dmp

    Filesize

    6.5MB

  • memory/3556-50-0x0000000007C70000-0x0000000007C8A000-memory.dmp

    Filesize

    104KB

  • memory/4560-9-0x0000000074760000-0x0000000074F10000-memory.dmp

    Filesize

    7.7MB

  • memory/4560-0-0x000000007476E000-0x000000007476F000-memory.dmp

    Filesize

    4KB

  • memory/4560-5-0x0000000074760000-0x0000000074F10000-memory.dmp

    Filesize

    7.7MB

  • memory/4560-6-0x00000000052E0000-0x000000000537C000-memory.dmp

    Filesize

    624KB

  • memory/4560-14-0x0000000074760000-0x0000000074F10000-memory.dmp

    Filesize

    7.7MB

  • memory/4560-7-0x0000000005580000-0x000000000559C000-memory.dmp

    Filesize

    112KB

  • memory/4560-8-0x000000007476E000-0x000000007476F000-memory.dmp

    Filesize

    4KB

  • memory/4560-10-0x0000000006A50000-0x0000000006ADE000-memory.dmp

    Filesize

    568KB

  • memory/4560-4-0x0000000004FD0000-0x0000000004FDA000-memory.dmp

    Filesize

    40KB

  • memory/4560-3-0x0000000005030000-0x00000000050C2000-memory.dmp

    Filesize

    584KB

  • memory/4560-2-0x00000000055E0000-0x0000000005B84000-memory.dmp

    Filesize

    5.6MB

  • memory/4560-1-0x0000000000520000-0x00000000005DE000-memory.dmp

    Filesize

    760KB