Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-11-2024 03:48

General

  • Target

    f70379292f5c009d309aa771803b8a47.exe

  • Size

    1015KB

  • MD5

    f70379292f5c009d309aa771803b8a47

  • SHA1

    146e5ac87cb3c65624b027fa925861be2bde0003

  • SHA256

    dc9e448e51f4504726d8fdccfce805dfb4c228091f12a194fef40b2a86aa5eb2

  • SHA512

    3eb75605563f10f5a48ed01dd07d4ad31a8e35a511504d5fa50ca64e1d4d7b96a7a538cadd13983e537a6ea1201f0b2a50da0122d3573a2ce4b665e7749a8f80

  • SSDEEP

    24576:1vfVYijKZquDiAot5zwlGaZkAAeWnhl4Ruyh:1vfV/jKskibXqGlnX4ck

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\f70379292f5c009d309aa771803b8a47.exe
    "C:\Users\Admin\AppData\Local\Temp\f70379292f5c009d309aa771803b8a47.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1680
    • 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\f70379292f5c009d309aa771803b8a47.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2680
    • C:\Users\Admin\AppData\Local\Temp\f70379292f5c009d309aa771803b8a47.exe
      "C:\Users\Admin\AppData\Local\Temp\f70379292f5c009d309aa771803b8a47.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:1088

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f70379292f5c009d309aa771803b8a47.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_41nwac1o.504.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1088-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1088-34-0x00000000744D0000-0x0000000074C80000-memory.dmp

    Filesize

    7.7MB

  • memory/1088-62-0x00000000064A0000-0x0000000006662000-memory.dmp

    Filesize

    1.8MB

  • memory/1088-63-0x0000000006320000-0x0000000006370000-memory.dmp

    Filesize

    320KB

  • memory/1088-64-0x00000000744D0000-0x0000000074C80000-memory.dmp

    Filesize

    7.7MB

  • memory/1088-65-0x00000000744D0000-0x0000000074C80000-memory.dmp

    Filesize

    7.7MB

  • memory/1088-14-0x00000000744D0000-0x0000000074C80000-memory.dmp

    Filesize

    7.7MB

  • memory/1680-4-0x00000000053F0000-0x00000000053FA000-memory.dmp

    Filesize

    40KB

  • memory/1680-10-0x0000000002C80000-0x0000000002D0C000-memory.dmp

    Filesize

    560KB

  • memory/1680-9-0x00000000744D0000-0x0000000074C80000-memory.dmp

    Filesize

    7.7MB

  • memory/1680-8-0x00000000744DE000-0x00000000744DF000-memory.dmp

    Filesize

    4KB

  • memory/1680-7-0x00000000058C0000-0x00000000058DC000-memory.dmp

    Filesize

    112KB

  • memory/1680-15-0x00000000744D0000-0x0000000074C80000-memory.dmp

    Filesize

    7.7MB

  • memory/1680-6-0x0000000005720000-0x00000000057BC000-memory.dmp

    Filesize

    624KB

  • memory/1680-5-0x00000000744D0000-0x0000000074C80000-memory.dmp

    Filesize

    7.7MB

  • memory/1680-3-0x0000000005440000-0x00000000054D2000-memory.dmp

    Filesize

    584KB

  • memory/1680-2-0x0000000005950000-0x0000000005EF4000-memory.dmp

    Filesize

    5.6MB

  • memory/1680-1-0x00000000008F0000-0x00000000009F2000-memory.dmp

    Filesize

    1.0MB

  • memory/1680-0-0x00000000744DE000-0x00000000744DF000-memory.dmp

    Filesize

    4KB

  • memory/2680-31-0x00000000744D0000-0x0000000074C80000-memory.dmp

    Filesize

    7.7MB

  • memory/2680-52-0x0000000007A40000-0x0000000007A4A000-memory.dmp

    Filesize

    40KB

  • memory/2680-32-0x0000000006110000-0x0000000006464000-memory.dmp

    Filesize

    3.3MB

  • memory/2680-33-0x00000000744D0000-0x0000000074C80000-memory.dmp

    Filesize

    7.7MB

  • memory/2680-21-0x00000000744D0000-0x0000000074C80000-memory.dmp

    Filesize

    7.7MB

  • memory/2680-35-0x00000000066A0000-0x00000000066BE000-memory.dmp

    Filesize

    120KB

  • memory/2680-36-0x00000000066E0000-0x000000000672C000-memory.dmp

    Filesize

    304KB

  • memory/2680-37-0x0000000007620000-0x0000000007652000-memory.dmp

    Filesize

    200KB

  • memory/2680-38-0x000000006FF00000-0x000000006FF4C000-memory.dmp

    Filesize

    304KB

  • memory/2680-48-0x0000000007660000-0x000000000767E000-memory.dmp

    Filesize

    120KB

  • memory/2680-49-0x0000000007690000-0x0000000007733000-memory.dmp

    Filesize

    652KB

  • memory/2680-50-0x0000000008010000-0x000000000868A000-memory.dmp

    Filesize

    6.5MB

  • memory/2680-51-0x00000000079D0000-0x00000000079EA000-memory.dmp

    Filesize

    104KB

  • memory/2680-18-0x0000000005710000-0x0000000005732000-memory.dmp

    Filesize

    136KB

  • memory/2680-53-0x0000000007C50000-0x0000000007CE6000-memory.dmp

    Filesize

    600KB

  • memory/2680-54-0x0000000007BD0000-0x0000000007BE1000-memory.dmp

    Filesize

    68KB

  • memory/2680-55-0x0000000007C00000-0x0000000007C0E000-memory.dmp

    Filesize

    56KB

  • memory/2680-56-0x0000000007C10000-0x0000000007C24000-memory.dmp

    Filesize

    80KB

  • memory/2680-57-0x0000000007D10000-0x0000000007D2A000-memory.dmp

    Filesize

    104KB

  • memory/2680-58-0x0000000007CF0000-0x0000000007CF8000-memory.dmp

    Filesize

    32KB

  • memory/2680-61-0x00000000744D0000-0x0000000074C80000-memory.dmp

    Filesize

    7.7MB

  • memory/2680-20-0x00000000060A0000-0x0000000006106000-memory.dmp

    Filesize

    408KB

  • memory/2680-19-0x0000000005EC0000-0x0000000005F26000-memory.dmp

    Filesize

    408KB

  • memory/2680-17-0x0000000005820000-0x0000000005E48000-memory.dmp

    Filesize

    6.2MB

  • memory/2680-16-0x0000000005100000-0x0000000005136000-memory.dmp

    Filesize

    216KB