Analysis

  • max time kernel
    133s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-11-2024 07:49

General

  • Target

    d854f347061d9d7b8a9788ab8633c3f07619e29bd440924507a0147484c217c3.exe

  • Size

    783KB

  • MD5

    4f80565082ea4d95d933decf9cd50c61

  • SHA1

    2830f9d5f41bbecd2ae105ed0b9a8d49327c8594

  • SHA256

    d854f347061d9d7b8a9788ab8633c3f07619e29bd440924507a0147484c217c3

  • SHA512

    9dcdae5c7a5b4181ade738884e208508bf317742ca2be0726716aa71236670a50dae2bec947b3fcc12cfc85c756810f18a9f403de4eb428b4a73a4759037f227

  • SSDEEP

    24576:cmCJVCABws3ok2B3KE0cZICs/dZvo7sK:cJ0ABsB1P0wICsVIs

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\d854f347061d9d7b8a9788ab8633c3f07619e29bd440924507a0147484c217c3.exe
    "C:\Users\Admin\AppData\Local\Temp\d854f347061d9d7b8a9788ab8633c3f07619e29bd440924507a0147484c217c3.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3520
    • 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\d854f347061d9d7b8a9788ab8633c3f07619e29bd440924507a0147484c217c3.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3572
    • C:\Users\Admin\AppData\Local\Temp\d854f347061d9d7b8a9788ab8633c3f07619e29bd440924507a0147484c217c3.exe
      "C:\Users\Admin\AppData\Local\Temp\d854f347061d9d7b8a9788ab8633c3f07619e29bd440924507a0147484c217c3.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:412

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\d854f347061d9d7b8a9788ab8633c3f07619e29bd440924507a0147484c217c3.exe.log

    Filesize

    1KB

    MD5

    7ef67a0a2b1e31df887adcdaf86e4bbd

    SHA1

    348aad52be33f1a0c477e2ace332ecf91bb0e1a8

    SHA256

    af207d70281cc3264107da297e00ab97d0af2f055d6065ca5936cf69db6d783f

    SHA512

    4ffab7944ec049f2597bda791de5fd3ae3578b03ef019d2222850b8f5a298e3aae8b6e33f71c38e47132d63fb58ab1b03c876b9a01665bc8bbcf01466e7d79e1

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_exosdq5a.5hj.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/412-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/412-32-0x00000000751C0000-0x0000000075970000-memory.dmp

    Filesize

    7.7MB

  • memory/412-60-0x00000000751C0000-0x0000000075970000-memory.dmp

    Filesize

    7.7MB

  • memory/412-61-0x00000000751C0000-0x0000000075970000-memory.dmp

    Filesize

    7.7MB

  • memory/412-62-0x0000000006A50000-0x0000000006C12000-memory.dmp

    Filesize

    1.8MB

  • memory/412-63-0x00000000068D0000-0x0000000006920000-memory.dmp

    Filesize

    320KB

  • memory/412-14-0x00000000751C0000-0x0000000075970000-memory.dmp

    Filesize

    7.7MB

  • memory/3520-6-0x00000000751C0000-0x0000000075970000-memory.dmp

    Filesize

    7.7MB

  • memory/3520-10-0x0000000007F40000-0x0000000007FCE000-memory.dmp

    Filesize

    568KB

  • memory/3520-9-0x00000000751C0000-0x0000000075970000-memory.dmp

    Filesize

    7.7MB

  • memory/3520-8-0x00000000751CE000-0x00000000751CF000-memory.dmp

    Filesize

    4KB

  • memory/3520-7-0x0000000004D20000-0x0000000004D32000-memory.dmp

    Filesize

    72KB

  • memory/3520-15-0x00000000751C0000-0x0000000075970000-memory.dmp

    Filesize

    7.7MB

  • memory/3520-5-0x0000000004AC0000-0x0000000004ACA000-memory.dmp

    Filesize

    40KB

  • memory/3520-4-0x0000000004BE0000-0x0000000004C7C000-memory.dmp

    Filesize

    624KB

  • memory/3520-3-0x0000000004AF0000-0x0000000004B82000-memory.dmp

    Filesize

    584KB

  • memory/3520-2-0x0000000005190000-0x0000000005734000-memory.dmp

    Filesize

    5.6MB

  • memory/3520-1-0x0000000000010000-0x00000000000DA000-memory.dmp

    Filesize

    808KB

  • memory/3520-0-0x00000000751CE000-0x00000000751CF000-memory.dmp

    Filesize

    4KB

  • memory/3572-31-0x0000000005B20000-0x0000000005E74000-memory.dmp

    Filesize

    3.3MB

  • memory/3572-50-0x0000000007440000-0x000000000744A000-memory.dmp

    Filesize

    40KB

  • memory/3572-21-0x0000000005AB0000-0x0000000005B16000-memory.dmp

    Filesize

    408KB

  • memory/3572-33-0x0000000006080000-0x000000000609E000-memory.dmp

    Filesize

    120KB

  • memory/3572-34-0x0000000006120000-0x000000000616C000-memory.dmp

    Filesize

    304KB

  • memory/3572-35-0x0000000007070000-0x00000000070A2000-memory.dmp

    Filesize

    200KB

  • memory/3572-36-0x0000000070BF0000-0x0000000070C3C000-memory.dmp

    Filesize

    304KB

  • memory/3572-46-0x0000000006680000-0x000000000669E000-memory.dmp

    Filesize

    120KB

  • memory/3572-47-0x00000000072B0000-0x0000000007353000-memory.dmp

    Filesize

    652KB

  • memory/3572-48-0x0000000007A10000-0x000000000808A000-memory.dmp

    Filesize

    6.5MB

  • memory/3572-49-0x00000000073D0000-0x00000000073EA000-memory.dmp

    Filesize

    104KB

  • memory/3572-20-0x00000000059D0000-0x0000000005A36000-memory.dmp

    Filesize

    408KB

  • memory/3572-51-0x0000000007650000-0x00000000076E6000-memory.dmp

    Filesize

    600KB

  • memory/3572-52-0x00000000075D0000-0x00000000075E1000-memory.dmp

    Filesize

    68KB

  • memory/3572-53-0x0000000007600000-0x000000000760E000-memory.dmp

    Filesize

    56KB

  • memory/3572-54-0x0000000007610000-0x0000000007624000-memory.dmp

    Filesize

    80KB

  • memory/3572-55-0x0000000007710000-0x000000000772A000-memory.dmp

    Filesize

    104KB

  • memory/3572-56-0x00000000076F0000-0x00000000076F8000-memory.dmp

    Filesize

    32KB

  • memory/3572-59-0x00000000751C0000-0x0000000075970000-memory.dmp

    Filesize

    7.7MB

  • memory/3572-19-0x00000000050F0000-0x0000000005112000-memory.dmp

    Filesize

    136KB

  • memory/3572-18-0x0000000005130000-0x0000000005758000-memory.dmp

    Filesize

    6.2MB

  • memory/3572-17-0x00000000751C0000-0x0000000075970000-memory.dmp

    Filesize

    7.7MB

  • memory/3572-16-0x0000000004A80000-0x0000000004AB6000-memory.dmp

    Filesize

    216KB