Analysis

  • max time kernel
    142s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2024 03:59

General

  • Target

    b7bbe88d2daceef7fdbd706adbdf6532976f23916701739ee0987f77f36b980a.exe

  • Size

    885KB

  • MD5

    0eff2e486b1c46cbf55bc4284355f1ee

  • SHA1

    f9a921a9ef66c0c1c0fcd6fe02aafc8461f05691

  • SHA256

    b7bbe88d2daceef7fdbd706adbdf6532976f23916701739ee0987f77f36b980a

  • SHA512

    b52122ca5444d606775d7426b7e19bd3090a89c486585c88b33b9fd57a7d87f0e591b7395b538646d93f2d9463d21f281ea5a4a57afb8c12a66d067dc0e3b20b

  • SSDEEP

    24576:t2xjaLCnYnbUX2bWOTk7k86ht45oS93GyIrKa:ADnYi6WMlxtxS93GNrK

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\b7bbe88d2daceef7fdbd706adbdf6532976f23916701739ee0987f77f36b980a.exe
    "C:\Users\Admin\AppData\Local\Temp\b7bbe88d2daceef7fdbd706adbdf6532976f23916701739ee0987f77f36b980a.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2532
    • 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\b7bbe88d2daceef7fdbd706adbdf6532976f23916701739ee0987f77f36b980a.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4056
    • C:\Users\Admin\AppData\Local\Temp\b7bbe88d2daceef7fdbd706adbdf6532976f23916701739ee0987f77f36b980a.exe
      "C:\Users\Admin\AppData\Local\Temp\b7bbe88d2daceef7fdbd706adbdf6532976f23916701739ee0987f77f36b980a.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:4276

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\b7bbe88d2daceef7fdbd706adbdf6532976f23916701739ee0987f77f36b980a.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vmbrl5nc.bbc.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2532-6-0x0000000074B30000-0x00000000752E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2532-3-0x0000000004C70000-0x0000000004D02000-memory.dmp

    Filesize

    584KB

  • memory/2532-4-0x0000000004C20000-0x0000000004C2A000-memory.dmp

    Filesize

    40KB

  • memory/2532-5-0x0000000004F00000-0x0000000004F9C000-memory.dmp

    Filesize

    624KB

  • memory/2532-15-0x0000000074B30000-0x00000000752E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2532-7-0x00000000050E0000-0x00000000050F8000-memory.dmp

    Filesize

    96KB

  • memory/2532-8-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

    Filesize

    4KB

  • memory/2532-9-0x0000000074B30000-0x00000000752E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2532-10-0x0000000007F70000-0x0000000007FFE000-memory.dmp

    Filesize

    568KB

  • memory/2532-0-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

    Filesize

    4KB

  • memory/2532-2-0x0000000005220000-0x00000000057C4000-memory.dmp

    Filesize

    5.6MB

  • memory/2532-1-0x0000000000140000-0x0000000000222000-memory.dmp

    Filesize

    904KB

  • memory/4056-51-0x0000000006E90000-0x0000000006E9A000-memory.dmp

    Filesize

    40KB

  • memory/4056-47-0x00000000060C0000-0x00000000060DE000-memory.dmp

    Filesize

    120KB

  • memory/4056-17-0x0000000074B30000-0x00000000752E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4056-18-0x0000000074B30000-0x00000000752E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4056-19-0x0000000004D10000-0x0000000005338000-memory.dmp

    Filesize

    6.2MB

  • memory/4056-20-0x0000000004B30000-0x0000000004B52000-memory.dmp

    Filesize

    136KB

  • memory/4056-22-0x0000000004C40000-0x0000000004CA6000-memory.dmp

    Filesize

    408KB

  • memory/4056-60-0x0000000074B30000-0x00000000752E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4056-21-0x0000000004BD0000-0x0000000004C36000-memory.dmp

    Filesize

    408KB

  • memory/4056-57-0x0000000007140000-0x0000000007148000-memory.dmp

    Filesize

    32KB

  • memory/4056-33-0x00000000053C0000-0x0000000005714000-memory.dmp

    Filesize

    3.3MB

  • memory/4056-34-0x0000000005AD0000-0x0000000005AEE000-memory.dmp

    Filesize

    120KB

  • memory/4056-35-0x0000000005B70000-0x0000000005BBC000-memory.dmp

    Filesize

    304KB

  • memory/4056-36-0x0000000006AA0000-0x0000000006AD2000-memory.dmp

    Filesize

    200KB

  • memory/4056-37-0x0000000070560000-0x00000000705AC000-memory.dmp

    Filesize

    304KB

  • memory/4056-16-0x00000000021D0000-0x0000000002206000-memory.dmp

    Filesize

    216KB

  • memory/4056-48-0x0000000006AE0000-0x0000000006B83000-memory.dmp

    Filesize

    652KB

  • memory/4056-49-0x0000000007460000-0x0000000007ADA000-memory.dmp

    Filesize

    6.5MB

  • memory/4056-50-0x0000000006E20000-0x0000000006E3A000-memory.dmp

    Filesize

    104KB

  • memory/4056-56-0x0000000007160000-0x000000000717A000-memory.dmp

    Filesize

    104KB

  • memory/4056-52-0x00000000070A0000-0x0000000007136000-memory.dmp

    Filesize

    600KB

  • memory/4056-53-0x0000000007020000-0x0000000007031000-memory.dmp

    Filesize

    68KB

  • memory/4056-54-0x0000000007050000-0x000000000705E000-memory.dmp

    Filesize

    56KB

  • memory/4056-55-0x0000000007060000-0x0000000007074000-memory.dmp

    Filesize

    80KB

  • memory/4276-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/4276-28-0x0000000074B30000-0x00000000752E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4276-14-0x0000000074B30000-0x00000000752E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4276-61-0x0000000074B30000-0x00000000752E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4276-62-0x0000000074B30000-0x00000000752E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4276-63-0x0000000006AB0000-0x0000000006C72000-memory.dmp

    Filesize

    1.8MB

  • memory/4276-64-0x0000000006930000-0x0000000006980000-memory.dmp

    Filesize

    320KB