Analysis

  • max time kernel
    118s
  • 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
    02-10-2024 11:39

General

  • Target

    malw.exe

  • Size

    864KB

  • MD5

    9276453ee2740f0411eca815fbfe0988

  • SHA1

    6901b73d7a2d90dfe6bdff078f3c1684b20450aa

  • SHA256

    53f40ba846a3b6180c07a3a310515888231d612a726c6c9803f1b5f8553445e5

  • SHA512

    433f40ab8961a9f2cc6c8a008d5fb8814349162e8c7f6002d21d2e5960a2ce8bad515d12676737a28655485df9088601203b2cd91bbf4363a26229965d425842

  • SSDEEP

    12288:zTvI+u/WO2QaanbotSUN3o7ifGY4+wZy2jifuNHXSRcEgPKxIYzsT:3vIFSYgp32872lWWtSBgmIYzs

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.obaambalaj.com.tr
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Beyza2022

Extracted

Family

vipkeylogger

Credentials

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • 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 use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\malw.exe
    "C:\Users\Admin\AppData\Local\Temp\malw.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:716
    • 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\malw.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1612
    • C:\Users\Admin\AppData\Local\Temp\malw.exe
      "C:\Users\Admin\AppData\Local\Temp\malw.exe"
      2⤵
        PID:4744
      • C:\Users\Admin\AppData\Local\Temp\malw.exe
        "C:\Users\Admin\AppData\Local\Temp\malw.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:2756

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fsmvm3v1.bcg.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/716-6-0x0000000006560000-0x000000000657E000-memory.dmp

      Filesize

      120KB

    • memory/716-3-0x0000000004EA0000-0x0000000004F32000-memory.dmp

      Filesize

      584KB

    • memory/716-4-0x0000000074CD0000-0x0000000075480000-memory.dmp

      Filesize

      7.7MB

    • memory/716-5-0x0000000004E40000-0x0000000004E4A000-memory.dmp

      Filesize

      40KB

    • memory/716-2-0x0000000005450000-0x00000000059F4000-memory.dmp

      Filesize

      5.6MB

    • memory/716-7-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

      Filesize

      4KB

    • memory/716-8-0x0000000074CD0000-0x0000000075480000-memory.dmp

      Filesize

      7.7MB

    • memory/716-9-0x00000000027F0000-0x000000000287C000-memory.dmp

      Filesize

      560KB

    • memory/716-10-0x000000000BEF0000-0x000000000BF8C000-memory.dmp

      Filesize

      624KB

    • memory/716-0-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

      Filesize

      4KB

    • memory/716-1-0x0000000000370000-0x000000000044E000-memory.dmp

      Filesize

      888KB

    • memory/716-15-0x0000000074CD0000-0x0000000075480000-memory.dmp

      Filesize

      7.7MB

    • memory/1612-51-0x0000000007C00000-0x0000000007C1A000-memory.dmp

      Filesize

      104KB

    • memory/1612-54-0x0000000007E00000-0x0000000007E11000-memory.dmp

      Filesize

      68KB

    • memory/1612-18-0x0000000074CD0000-0x0000000075480000-memory.dmp

      Filesize

      7.7MB

    • memory/1612-17-0x00000000059B0000-0x0000000005FD8000-memory.dmp

      Filesize

      6.2MB

    • memory/1612-20-0x00000000060F0000-0x0000000006156000-memory.dmp

      Filesize

      408KB

    • memory/1612-19-0x0000000006050000-0x0000000006072000-memory.dmp

      Filesize

      136KB

    • memory/1612-21-0x0000000006160000-0x00000000061C6000-memory.dmp

      Filesize

      408KB

    • memory/1612-22-0x0000000074CD0000-0x0000000075480000-memory.dmp

      Filesize

      7.7MB

    • memory/1612-61-0x0000000074CD0000-0x0000000075480000-memory.dmp

      Filesize

      7.7MB

    • memory/1612-32-0x00000000062A0000-0x00000000065F4000-memory.dmp

      Filesize

      3.3MB

    • memory/1612-33-0x00000000068D0000-0x00000000068EE000-memory.dmp

      Filesize

      120KB

    • memory/1612-58-0x0000000007F20000-0x0000000007F28000-memory.dmp

      Filesize

      32KB

    • memory/1612-35-0x0000000006980000-0x00000000069CC000-memory.dmp

      Filesize

      304KB

    • memory/1612-36-0x0000000074CD0000-0x0000000075480000-memory.dmp

      Filesize

      7.7MB

    • memory/1612-37-0x0000000006E90000-0x0000000006EC2000-memory.dmp

      Filesize

      200KB

    • memory/1612-38-0x0000000070700000-0x000000007074C000-memory.dmp

      Filesize

      304KB

    • memory/1612-48-0x0000000006ED0000-0x0000000006EEE000-memory.dmp

      Filesize

      120KB

    • memory/1612-49-0x0000000007AD0000-0x0000000007B73000-memory.dmp

      Filesize

      652KB

    • memory/1612-50-0x0000000008240000-0x00000000088BA000-memory.dmp

      Filesize

      6.5MB

    • memory/1612-57-0x0000000007F40000-0x0000000007F5A000-memory.dmp

      Filesize

      104KB

    • memory/1612-52-0x0000000007C70000-0x0000000007C7A000-memory.dmp

      Filesize

      40KB

    • memory/1612-53-0x0000000007E80000-0x0000000007F16000-memory.dmp

      Filesize

      600KB

    • memory/1612-16-0x0000000005340000-0x0000000005376000-memory.dmp

      Filesize

      216KB

    • memory/1612-55-0x0000000007E30000-0x0000000007E3E000-memory.dmp

      Filesize

      56KB

    • memory/1612-56-0x0000000007E40000-0x0000000007E54000-memory.dmp

      Filesize

      80KB

    • memory/2756-11-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/2756-34-0x0000000074CD0000-0x0000000075480000-memory.dmp

      Filesize

      7.7MB

    • memory/2756-14-0x0000000074CD0000-0x0000000075480000-memory.dmp

      Filesize

      7.7MB

    • memory/2756-62-0x0000000074CD0000-0x0000000075480000-memory.dmp

      Filesize

      7.7MB

    • memory/2756-63-0x0000000006D60000-0x0000000006F22000-memory.dmp

      Filesize

      1.8MB

    • memory/2756-64-0x0000000006BE0000-0x0000000006C30000-memory.dmp

      Filesize

      320KB

    • memory/2756-65-0x0000000007460000-0x000000000798C000-memory.dmp

      Filesize

      5.2MB