Analysis

  • max time kernel
    118s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/08/2024, 02:25

General

  • Target

    Request for Quotation No. KTC 56376.exe

  • Size

    764KB

  • MD5

    bc83d85989ca4b6b145c1ba7f383ef87

  • SHA1

    9081dce833554b73a3947714c2a3560b2410b619

  • SHA256

    5d6e59de735aa24c42ef1e17b51af9a61333921fea22fabfc2be0d3f780f67ac

  • SHA512

    970737589f6b351c0269a7dc277de356764d236bfe70aa251449527e60163fe3a1519bbdf9a8fd8a9b197b19448a1c2d93754b69924f4f0570222e3de355da20

  • SSDEEP

    12288:TmN6EPCLLWH+H9mP+B8GJzo9ppiN5WeGhJZZvwgh3yHs3NuY2d/jvIGc2t:TmN6EPgLVH9mP+5ubiNchsHs3NqVxt

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7346810434:AAEXSY3wDhIvNHI42oXOgp-AuGLwZWgKvmY/sendMessage?chat_id=5116181161

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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Request for Quotation No. KTC 56376.exe
    "C:\Users\Admin\AppData\Local\Temp\Request for Quotation No. KTC 56376.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:2724
    • 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\Request for Quotation No. KTC 56376.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4660
    • C:\Users\Admin\AppData\Local\Temp\Request for Quotation No. KTC 56376.exe
      "C:\Users\Admin\AppData\Local\Temp\Request for Quotation No. KTC 56376.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:4568

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pjdbcfii.2th.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2724-10-0x00000000063E0000-0x000000000646C000-memory.dmp

    Filesize

    560KB

  • memory/2724-11-0x0000000006510000-0x00000000065AC000-memory.dmp

    Filesize

    624KB

  • memory/2724-3-0x0000000005190000-0x0000000005222000-memory.dmp

    Filesize

    584KB

  • memory/2724-1-0x0000000000670000-0x0000000000734000-memory.dmp

    Filesize

    784KB

  • memory/2724-5-0x0000000074D70000-0x0000000075520000-memory.dmp

    Filesize

    7.7MB

  • memory/2724-6-0x00000000052C0000-0x00000000052DA000-memory.dmp

    Filesize

    104KB

  • memory/2724-7-0x0000000074D7E000-0x0000000074D7F000-memory.dmp

    Filesize

    4KB

  • memory/2724-8-0x0000000074D70000-0x0000000075520000-memory.dmp

    Filesize

    7.7MB

  • memory/2724-2-0x00000000056A0000-0x0000000005C44000-memory.dmp

    Filesize

    5.6MB

  • memory/2724-9-0x00000000052E0000-0x00000000052F0000-memory.dmp

    Filesize

    64KB

  • memory/2724-4-0x0000000005120000-0x000000000512A000-memory.dmp

    Filesize

    40KB

  • memory/2724-0-0x0000000074D7E000-0x0000000074D7F000-memory.dmp

    Filesize

    4KB

  • memory/2724-15-0x0000000074D70000-0x0000000075520000-memory.dmp

    Filesize

    7.7MB

  • memory/4568-14-0x0000000074D70000-0x0000000075520000-memory.dmp

    Filesize

    7.7MB

  • memory/4568-64-0x0000000006300000-0x0000000006350000-memory.dmp

    Filesize

    320KB

  • memory/4568-63-0x0000000006470000-0x0000000006632000-memory.dmp

    Filesize

    1.8MB

  • memory/4568-62-0x0000000074D70000-0x0000000075520000-memory.dmp

    Filesize

    7.7MB

  • memory/4568-33-0x0000000074D70000-0x0000000075520000-memory.dmp

    Filesize

    7.7MB

  • memory/4568-12-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/4660-22-0x0000000006030000-0x0000000006096000-memory.dmp

    Filesize

    408KB

  • memory/4660-51-0x0000000007A60000-0x0000000007A7A000-memory.dmp

    Filesize

    104KB

  • memory/4660-20-0x0000000005890000-0x00000000058B2000-memory.dmp

    Filesize

    136KB

  • memory/4660-21-0x0000000074D70000-0x0000000075520000-memory.dmp

    Filesize

    7.7MB

  • memory/4660-19-0x0000000074D70000-0x0000000075520000-memory.dmp

    Filesize

    7.7MB

  • memory/4660-34-0x0000000006110000-0x0000000006464000-memory.dmp

    Filesize

    3.3MB

  • memory/4660-35-0x0000000006740000-0x000000000675E000-memory.dmp

    Filesize

    120KB

  • memory/4660-36-0x0000000006770000-0x00000000067BC000-memory.dmp

    Filesize

    304KB

  • memory/4660-37-0x0000000006D10000-0x0000000006D42000-memory.dmp

    Filesize

    200KB

  • memory/4660-38-0x0000000070780000-0x00000000707CC000-memory.dmp

    Filesize

    304KB

  • memory/4660-48-0x0000000007900000-0x000000000791E000-memory.dmp

    Filesize

    120KB

  • memory/4660-49-0x0000000007930000-0x00000000079D3000-memory.dmp

    Filesize

    652KB

  • memory/4660-50-0x00000000080A0000-0x000000000871A000-memory.dmp

    Filesize

    6.5MB

  • memory/4660-23-0x00000000060A0000-0x0000000006106000-memory.dmp

    Filesize

    408KB

  • memory/4660-52-0x0000000007AD0000-0x0000000007ADA000-memory.dmp

    Filesize

    40KB

  • memory/4660-53-0x0000000007CE0000-0x0000000007D76000-memory.dmp

    Filesize

    600KB

  • memory/4660-54-0x0000000007C60000-0x0000000007C71000-memory.dmp

    Filesize

    68KB

  • memory/4660-55-0x0000000007C90000-0x0000000007C9E000-memory.dmp

    Filesize

    56KB

  • memory/4660-56-0x0000000007CA0000-0x0000000007CB4000-memory.dmp

    Filesize

    80KB

  • memory/4660-57-0x0000000007DA0000-0x0000000007DBA000-memory.dmp

    Filesize

    104KB

  • memory/4660-58-0x0000000007D80000-0x0000000007D88000-memory.dmp

    Filesize

    32KB

  • memory/4660-61-0x0000000074D70000-0x0000000075520000-memory.dmp

    Filesize

    7.7MB

  • memory/4660-18-0x00000000058D0000-0x0000000005EF8000-memory.dmp

    Filesize

    6.2MB

  • memory/4660-16-0x0000000005180000-0x00000000051B6000-memory.dmp

    Filesize

    216KB

  • memory/4660-17-0x0000000074D70000-0x0000000075520000-memory.dmp

    Filesize

    7.7MB