Analysis

  • max time kernel
    120s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2024 08:18

General

  • Target

    RFQ__PO_6353637355363-PDF____PDF.exe

  • Size

    750KB

  • MD5

    130040cd45252a0e1cabdc3f6398881c

  • SHA1

    948c573d9946d207de85e03df1f92680d88b2d42

  • SHA256

    8c1d7041e76efaf68b0c70000b850b3c80111d44114a421cb52e0d503947b96d

  • SHA512

    d465d96be19fdef320269d12170d258178bc078e2313b23a0d24a4b2e92db714851fe53a636a707d18a152fd4741cab33f70ad8e23bda06cb4d255172b5d4ad6

  • SSDEEP

    12288:rbeXOvvHy9lYZInZp3ZL2dnMZghB72/Mbim/fr8iOPXJAtISNtphdtxvWrUPb:XeXiZInZp3ZaJeg4MmofwbYr5dtxWrUz

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 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\RFQ__PO_6353637355363-PDF____PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ__PO_6353637355363-PDF____PDF.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:1388
    • 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\RFQ__PO_6353637355363-PDF____PDF.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1780
    • C:\Users\Admin\AppData\Local\Temp\RFQ__PO_6353637355363-PDF____PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\RFQ__PO_6353637355363-PDF____PDF.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:400

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_chhr1bmm.ebl.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/400-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/400-61-0x0000000006A80000-0x0000000006C42000-memory.dmp

    Filesize

    1.8MB

  • memory/400-62-0x0000000006900000-0x0000000006950000-memory.dmp

    Filesize

    320KB

  • memory/400-16-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB

  • memory/400-63-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB

  • memory/400-13-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB

  • memory/1388-5-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB

  • memory/1388-8-0x00000000750CE000-0x00000000750CF000-memory.dmp

    Filesize

    4KB

  • memory/1388-9-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB

  • memory/1388-10-0x0000000006A20000-0x0000000006AAE000-memory.dmp

    Filesize

    568KB

  • memory/1388-7-0x0000000005600000-0x000000000561C000-memory.dmp

    Filesize

    112KB

  • memory/1388-6-0x0000000005640000-0x00000000056DC000-memory.dmp

    Filesize

    624KB

  • memory/1388-14-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB

  • memory/1388-4-0x0000000005380000-0x000000000538A000-memory.dmp

    Filesize

    40KB

  • memory/1388-3-0x00000000053A0000-0x0000000005432000-memory.dmp

    Filesize

    584KB

  • memory/1388-2-0x00000000058B0000-0x0000000005E54000-memory.dmp

    Filesize

    5.6MB

  • memory/1388-1-0x00000000008B0000-0x0000000000972000-memory.dmp

    Filesize

    776KB

  • memory/1388-0-0x00000000750CE000-0x00000000750CF000-memory.dmp

    Filesize

    4KB

  • memory/1780-31-0x00000000060E0000-0x0000000006434000-memory.dmp

    Filesize

    3.3MB

  • memory/1780-50-0x0000000007A50000-0x0000000007A6A000-memory.dmp

    Filesize

    104KB

  • memory/1780-21-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB

  • memory/1780-18-0x0000000005750000-0x0000000005772000-memory.dmp

    Filesize

    136KB

  • memory/1780-32-0x0000000006710000-0x000000000672E000-memory.dmp

    Filesize

    120KB

  • memory/1780-33-0x0000000006760000-0x00000000067AC000-memory.dmp

    Filesize

    304KB

  • memory/1780-35-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB

  • memory/1780-34-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB

  • memory/1780-36-0x0000000006D00000-0x0000000006D32000-memory.dmp

    Filesize

    200KB

  • memory/1780-37-0x0000000070AD0000-0x0000000070B1C000-memory.dmp

    Filesize

    304KB

  • memory/1780-47-0x0000000007900000-0x000000000791E000-memory.dmp

    Filesize

    120KB

  • memory/1780-48-0x0000000007920000-0x00000000079C3000-memory.dmp

    Filesize

    652KB

  • memory/1780-49-0x00000000080A0000-0x000000000871A000-memory.dmp

    Filesize

    6.5MB

  • memory/1780-20-0x0000000005FE0000-0x0000000006046000-memory.dmp

    Filesize

    408KB

  • memory/1780-51-0x0000000007AC0000-0x0000000007ACA000-memory.dmp

    Filesize

    40KB

  • memory/1780-52-0x0000000007CD0000-0x0000000007D66000-memory.dmp

    Filesize

    600KB

  • memory/1780-53-0x0000000007C50000-0x0000000007C61000-memory.dmp

    Filesize

    68KB

  • memory/1780-54-0x0000000007C80000-0x0000000007C8E000-memory.dmp

    Filesize

    56KB

  • memory/1780-55-0x0000000007C90000-0x0000000007CA4000-memory.dmp

    Filesize

    80KB

  • memory/1780-56-0x0000000007D90000-0x0000000007DAA000-memory.dmp

    Filesize

    104KB

  • memory/1780-57-0x0000000007D70000-0x0000000007D78000-memory.dmp

    Filesize

    32KB

  • memory/1780-60-0x00000000750C0000-0x0000000075870000-memory.dmp

    Filesize

    7.7MB

  • memory/1780-19-0x00000000057F0000-0x0000000005856000-memory.dmp

    Filesize

    408KB

  • memory/1780-17-0x00000000058B0000-0x0000000005ED8000-memory.dmp

    Filesize

    6.2MB

  • memory/1780-15-0x0000000005170000-0x00000000051A6000-memory.dmp

    Filesize

    216KB