Analysis

  • max time kernel
    133s
  • max time network
    139s
  • 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, 02:15

General

  • Target

    Request for Quotation.exe

  • Size

    693KB

  • MD5

    2fc9baec5722a22fe1444369cbb72b69

  • SHA1

    4055a52d42b7dece0a4e6dc364d0d0d0130ba76f

  • SHA256

    dbbe44a73528de0f741edc23e20665e27678fa3a966df5409f3cf4e86c3277ed

  • SHA512

    15e879271370ec38ed4ad12e0a4031cce8d078648c48c762f2d9a33bad16cacc24281cdba97880bbb1d732f696aed679b5e6f131fdee5262a1f10a48ec95cb73

  • SSDEEP

    12288:60l3HewdzbFysIJl9NShAOYXBBG4EcOpLLdI6rjjItC9taD56faUOoW0:8w5xy579iAOYRg4EXpPddItC9g1m+o

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 8 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.exe
    "C:\Users\Admin\AppData\Local\Temp\Request for Quotation.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:2648
    • 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.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1440
    • C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe
      "C:\Users\Admin\AppData\Local\Temp\Request for Quotation.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:5048

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_33mfjsfo.zib.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1440-51-0x0000000007730000-0x000000000773A000-memory.dmp

    Filesize

    40KB

  • memory/1440-15-0x0000000004DD0000-0x0000000004E06000-memory.dmp

    Filesize

    216KB

  • memory/1440-60-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1440-57-0x00000000079E0000-0x00000000079E8000-memory.dmp

    Filesize

    32KB

  • memory/1440-56-0x0000000007A00000-0x0000000007A1A000-memory.dmp

    Filesize

    104KB

  • memory/1440-55-0x0000000007900000-0x0000000007914000-memory.dmp

    Filesize

    80KB

  • memory/1440-54-0x00000000078F0000-0x00000000078FE000-memory.dmp

    Filesize

    56KB

  • memory/1440-53-0x00000000078C0000-0x00000000078D1000-memory.dmp

    Filesize

    68KB

  • memory/1440-52-0x0000000007940000-0x00000000079D6000-memory.dmp

    Filesize

    600KB

  • memory/1440-50-0x00000000076C0000-0x00000000076DA000-memory.dmp

    Filesize

    104KB

  • memory/1440-49-0x0000000007D00000-0x000000000837A000-memory.dmp

    Filesize

    6.5MB

  • memory/1440-48-0x0000000007380000-0x0000000007423000-memory.dmp

    Filesize

    652KB

  • memory/1440-47-0x0000000007360000-0x000000000737E000-memory.dmp

    Filesize

    120KB

  • memory/1440-35-0x00000000063B0000-0x00000000063FC000-memory.dmp

    Filesize

    304KB

  • memory/1440-17-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1440-16-0x00000000054D0000-0x0000000005AF8000-memory.dmp

    Filesize

    6.2MB

  • memory/1440-37-0x0000000070550000-0x000000007059C000-memory.dmp

    Filesize

    304KB

  • memory/1440-19-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1440-22-0x0000000005B70000-0x0000000005BD6000-memory.dmp

    Filesize

    408KB

  • memory/1440-23-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1440-20-0x00000000053D0000-0x00000000053F2000-memory.dmp

    Filesize

    136KB

  • memory/1440-21-0x0000000005B00000-0x0000000005B66000-memory.dmp

    Filesize

    408KB

  • memory/1440-36-0x0000000006940000-0x0000000006972000-memory.dmp

    Filesize

    200KB

  • memory/1440-33-0x0000000005F90000-0x00000000062E4000-memory.dmp

    Filesize

    3.3MB

  • memory/1440-34-0x0000000006360000-0x000000000637E000-memory.dmp

    Filesize

    120KB

  • memory/2648-2-0x00000000051A0000-0x0000000005744000-memory.dmp

    Filesize

    5.6MB

  • memory/2648-4-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/2648-3-0x0000000004B00000-0x0000000004B92000-memory.dmp

    Filesize

    584KB

  • memory/2648-14-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/2648-1-0x00000000000C0000-0x0000000000174000-memory.dmp

    Filesize

    720KB

  • memory/2648-5-0x0000000004BD0000-0x0000000004BDA000-memory.dmp

    Filesize

    40KB

  • memory/2648-10-0x0000000006020000-0x00000000060BC000-memory.dmp

    Filesize

    624KB

  • memory/2648-0-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

    Filesize

    4KB

  • memory/2648-9-0x0000000005D80000-0x0000000005E0C000-memory.dmp

    Filesize

    560KB

  • memory/2648-8-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/2648-7-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

    Filesize

    4KB

  • memory/2648-6-0x0000000004E00000-0x0000000004E18000-memory.dmp

    Filesize

    96KB

  • memory/5048-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/5048-13-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/5048-18-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/5048-61-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/5048-62-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/5048-63-0x0000000006510000-0x00000000066D2000-memory.dmp

    Filesize

    1.8MB

  • memory/5048-64-0x0000000006390000-0x00000000063E0000-memory.dmp

    Filesize

    320KB