Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-12-2024 19:03

General

  • Target

    1d135aabc5c61511e10b6a3c22ae0631f591cbdb35fcc6e811b9acdf1327a691.exe

  • Size

    726KB

  • MD5

    eaa6b1bbfbcc0e09adf7c308c0b12fa4

  • SHA1

    8de0e68d76ab0a36e95f5ecf36fd3618509a737b

  • SHA256

    1d135aabc5c61511e10b6a3c22ae0631f591cbdb35fcc6e811b9acdf1327a691

  • SHA512

    c36e96a22567a697ca5de4078f0a9c80c634b6b7e0320692e9b24c295fbccab156bb8e5ea41f1e8f5d8a8f488b80e93798dd727a67115fb5489e4786d3798d40

  • SSDEEP

    12288:px/hei2besC9QbsjEAw6Lj4EF9TDNbumZ6lrPp9Btx67w5usx+Xt:gbhL84EbTDNb9mrPpH67wx

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 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 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\1d135aabc5c61511e10b6a3c22ae0631f591cbdb35fcc6e811b9acdf1327a691.exe
    "C:\Users\Admin\AppData\Local\Temp\1d135aabc5c61511e10b6a3c22ae0631f591cbdb35fcc6e811b9acdf1327a691.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:4812
    • 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\1d135aabc5c61511e10b6a3c22ae0631f591cbdb35fcc6e811b9acdf1327a691.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1124
    • C:\Users\Admin\AppData\Local\Temp\1d135aabc5c61511e10b6a3c22ae0631f591cbdb35fcc6e811b9acdf1327a691.exe
      "C:\Users\Admin\AppData\Local\Temp\1d135aabc5c61511e10b6a3c22ae0631f591cbdb35fcc6e811b9acdf1327a691.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:4268

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\1d135aabc5c61511e10b6a3c22ae0631f591cbdb35fcc6e811b9acdf1327a691.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ybqv42gt.cp3.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1124-51-0x0000000006FC0000-0x0000000006FDA000-memory.dmp

    Filesize

    104KB

  • memory/1124-16-0x0000000002370000-0x00000000023A6000-memory.dmp

    Filesize

    216KB

  • memory/1124-33-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/1124-34-0x00000000057B0000-0x0000000005B04000-memory.dmp

    Filesize

    3.3MB

  • memory/1124-61-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/1124-58-0x00000000072E0000-0x00000000072E8000-memory.dmp

    Filesize

    32KB

  • memory/1124-57-0x0000000007300000-0x000000000731A000-memory.dmp

    Filesize

    104KB

  • memory/1124-56-0x0000000007200000-0x0000000007214000-memory.dmp

    Filesize

    80KB

  • memory/1124-55-0x00000000071F0000-0x00000000071FE000-memory.dmp

    Filesize

    56KB

  • memory/1124-54-0x00000000071C0000-0x00000000071D1000-memory.dmp

    Filesize

    68KB

  • memory/1124-53-0x0000000007240000-0x00000000072D6000-memory.dmp

    Filesize

    600KB

  • memory/1124-52-0x0000000007030000-0x000000000703A000-memory.dmp

    Filesize

    40KB

  • memory/1124-50-0x0000000007600000-0x0000000007C7A000-memory.dmp

    Filesize

    6.5MB

  • memory/1124-36-0x0000000006210000-0x000000000625C000-memory.dmp

    Filesize

    304KB

  • memory/1124-17-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/1124-18-0x0000000004E20000-0x0000000005448000-memory.dmp

    Filesize

    6.2MB

  • memory/1124-19-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/1124-35-0x0000000005C70000-0x0000000005C8E000-memory.dmp

    Filesize

    120KB

  • memory/1124-49-0x0000000006C80000-0x0000000006D23000-memory.dmp

    Filesize

    652KB

  • memory/1124-22-0x00000000055C0000-0x0000000005626000-memory.dmp

    Filesize

    408KB

  • memory/1124-48-0x0000000006260000-0x000000000627E000-memory.dmp

    Filesize

    120KB

  • memory/1124-21-0x0000000004D80000-0x0000000004DE6000-memory.dmp

    Filesize

    408KB

  • memory/1124-38-0x0000000070460000-0x00000000704AC000-memory.dmp

    Filesize

    304KB

  • memory/1124-37-0x0000000006C30000-0x0000000006C62000-memory.dmp

    Filesize

    200KB

  • memory/1124-20-0x0000000004CE0000-0x0000000004D02000-memory.dmp

    Filesize

    136KB

  • memory/4268-65-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/4268-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/4268-66-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/4268-29-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/4268-64-0x0000000006BA0000-0x00000000070CC000-memory.dmp

    Filesize

    5.2MB

  • memory/4268-63-0x0000000006320000-0x0000000006370000-memory.dmp

    Filesize

    320KB

  • memory/4268-62-0x00000000064A0000-0x0000000006662000-memory.dmp

    Filesize

    1.8MB

  • memory/4268-14-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/4812-2-0x0000000005FA0000-0x0000000006544000-memory.dmp

    Filesize

    5.6MB

  • memory/4812-3-0x0000000005A90000-0x0000000005B22000-memory.dmp

    Filesize

    584KB

  • memory/4812-10-0x0000000007250000-0x00000000072DE000-memory.dmp

    Filesize

    568KB

  • memory/4812-9-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/4812-8-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

    Filesize

    4KB

  • memory/4812-7-0x0000000005D00000-0x0000000005D18000-memory.dmp

    Filesize

    96KB

  • memory/4812-6-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/4812-0-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

    Filesize

    4KB

  • memory/4812-15-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/4812-1-0x0000000000F60000-0x000000000101C000-memory.dmp

    Filesize

    752KB

  • memory/4812-4-0x0000000005A20000-0x0000000005A2A000-memory.dmp

    Filesize

    40KB

  • memory/4812-5-0x0000000005D40000-0x0000000005DDC000-memory.dmp

    Filesize

    624KB