Analysis

  • max time kernel
    138s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/08/2024, 07:05

General

  • Target

    ioqjWeKazzLuiTHfd.exe

  • Size

    714KB

  • MD5

    06ef63fcb30cb75b38e13a0a12764097

  • SHA1

    fbf8ee77153177587ef1e81e36cb4adad054d208

  • SHA256

    23b9b4a46c15c5fa3b7445e8041852f3dc831547903250209ca738b1a17fb7c2

  • SHA512

    833722edea13277437343fd24cdfdd2b99a5c8d909a68421ee65bb0e0bbefa41aef183340cce4991d55c21d505e6bfc7e6bb429ccbb10bcdf619669e800b42d2

  • SSDEEP

    12288:c9iiCwgqaVouR4NFasPhfhalaY8xYzOwmutXu5biBfLxenfpQE/rnXwfBIkR:c91C/qaSuybalFdmmeRaLMfmks

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.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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 2 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\ioqjWeKazzLuiTHfd.exe
    "C:\Users\Admin\AppData\Local\Temp\ioqjWeKazzLuiTHfd.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5040
    • 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\ioqjWeKazzLuiTHfd.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1168
    • C:\Users\Admin\AppData\Local\Temp\ioqjWeKazzLuiTHfd.exe
      "C:\Users\Admin\AppData\Local\Temp\ioqjWeKazzLuiTHfd.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:3324

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          1KB

          MD5

          8ec831f3e3a3f77e4a7b9cd32b48384c

          SHA1

          d83f09fd87c5bd86e045873c231c14836e76a05c

          SHA256

          7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

          SHA512

          26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4gz3mqmm.t2b.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/1168-52-0x0000000007800000-0x000000000781A000-memory.dmp

          Filesize

          104KB

        • memory/1168-19-0x0000000005830000-0x0000000005E58000-memory.dmp

          Filesize

          6.2MB

        • memory/1168-50-0x00000000076E0000-0x0000000007783000-memory.dmp

          Filesize

          652KB

        • memory/1168-49-0x0000000006A90000-0x0000000006AAE000-memory.dmp

          Filesize

          120KB

        • memory/1168-39-0x000000006FFE0000-0x000000007002C000-memory.dmp

          Filesize

          304KB

        • memory/1168-62-0x00000000745D0000-0x0000000074D80000-memory.dmp

          Filesize

          7.7MB

        • memory/1168-59-0x0000000007B20000-0x0000000007B28000-memory.dmp

          Filesize

          32KB

        • memory/1168-58-0x0000000007B40000-0x0000000007B5A000-memory.dmp

          Filesize

          104KB

        • memory/1168-57-0x0000000007A40000-0x0000000007A54000-memory.dmp

          Filesize

          80KB

        • memory/1168-56-0x0000000007A30000-0x0000000007A3E000-memory.dmp

          Filesize

          56KB

        • memory/1168-38-0x00000000074A0000-0x00000000074D2000-memory.dmp

          Filesize

          200KB

        • memory/1168-55-0x0000000007A00000-0x0000000007A11000-memory.dmp

          Filesize

          68KB

        • memory/1168-54-0x0000000007A80000-0x0000000007B16000-memory.dmp

          Filesize

          600KB

        • memory/1168-37-0x00000000745D0000-0x0000000074D80000-memory.dmp

          Filesize

          7.7MB

        • memory/1168-17-0x0000000002BE0000-0x0000000002C16000-memory.dmp

          Filesize

          216KB

        • memory/1168-51-0x0000000007E40000-0x00000000084BA000-memory.dmp

          Filesize

          6.5MB

        • memory/1168-18-0x00000000745D0000-0x0000000074D80000-memory.dmp

          Filesize

          7.7MB

        • memory/1168-36-0x0000000006510000-0x000000000655C000-memory.dmp

          Filesize

          304KB

        • memory/1168-22-0x0000000005410000-0x0000000005432000-memory.dmp

          Filesize

          136KB

        • memory/1168-23-0x00000000056B0000-0x0000000005716000-memory.dmp

          Filesize

          408KB

        • memory/1168-24-0x0000000005ED0000-0x0000000005F36000-memory.dmp

          Filesize

          408KB

        • memory/1168-21-0x00000000745D0000-0x0000000074D80000-memory.dmp

          Filesize

          7.7MB

        • memory/1168-53-0x0000000007870000-0x000000000787A000-memory.dmp

          Filesize

          40KB

        • memory/1168-34-0x0000000006040000-0x0000000006394000-memory.dmp

          Filesize

          3.3MB

        • memory/1168-35-0x00000000064D0000-0x00000000064EE000-memory.dmp

          Filesize

          120KB

        • memory/3324-20-0x00000000745D0000-0x0000000074D80000-memory.dmp

          Filesize

          7.7MB

        • memory/3324-16-0x00000000745D0000-0x0000000074D80000-memory.dmp

          Filesize

          7.7MB

        • memory/3324-12-0x0000000000400000-0x0000000000448000-memory.dmp

          Filesize

          288KB

        • memory/3324-63-0x00000000745D0000-0x0000000074D80000-memory.dmp

          Filesize

          7.7MB

        • memory/3324-64-0x0000000006C90000-0x0000000006E52000-memory.dmp

          Filesize

          1.8MB

        • memory/3324-65-0x0000000006B10000-0x0000000006B60000-memory.dmp

          Filesize

          320KB

        • memory/5040-3-0x00000000056C0000-0x0000000005752000-memory.dmp

          Filesize

          584KB

        • memory/5040-0-0x00000000745DE000-0x00000000745DF000-memory.dmp

          Filesize

          4KB

        • memory/5040-1-0x0000000000C80000-0x0000000000D36000-memory.dmp

          Filesize

          728KB

        • memory/5040-15-0x00000000745D0000-0x0000000074D80000-memory.dmp

          Filesize

          7.7MB

        • memory/5040-2-0x0000000005D70000-0x0000000006314000-memory.dmp

          Filesize

          5.6MB

        • memory/5040-11-0x0000000006CB0000-0x0000000006D3A000-memory.dmp

          Filesize

          552KB

        • memory/5040-10-0x0000000005D30000-0x0000000005D40000-memory.dmp

          Filesize

          64KB

        • memory/5040-9-0x00000000745D0000-0x0000000074D80000-memory.dmp

          Filesize

          7.7MB

        • memory/5040-8-0x00000000745DE000-0x00000000745DF000-memory.dmp

          Filesize

          4KB

        • memory/5040-7-0x0000000005C80000-0x0000000005C92000-memory.dmp

          Filesize

          72KB

        • memory/5040-6-0x0000000005B40000-0x0000000005BDC000-memory.dmp

          Filesize

          624KB

        • memory/5040-5-0x00000000057E0000-0x00000000057EA000-memory.dmp

          Filesize

          40KB

        • memory/5040-4-0x00000000745D0000-0x0000000074D80000-memory.dmp

          Filesize

          7.7MB