Analysis

  • max time kernel
    128s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/02/2025, 13:25

General

  • Target

    Invoice.exe

  • Size

    1.0MB

  • MD5

    b5f9ac41a360df3241952f211876e07b

  • SHA1

    a90f3b69a7e2fce51ed74166e6e9dd10cecd469c

  • SHA256

    2c2e60c86b73901d5a0e81c960c0ab4ce4bebe99684a0d992119575340738ae5

  • SHA512

    2b737709c3d7be16a1d3dad5fdc6629bae92acb2bfd5fbb4f7098f219c13dfcdb75f4a6b0b66410b1593501bbdeea47fd708aa9638885fd6981d035b9bb2da19

  • SSDEEP

    24576:FQvageiojwMklfJqAUBnkVOW/8pNU5C2yqi:Fa7eiUFoRq1uOW/8kQxt

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot8082602195:AAFEfFJhrQIeYK1ePwWkv9BtH5VWo-1iIJM/sendMessage?chat_id=5101327412

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 3 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\Invoice.exe
    "C:\Users\Admin\AppData\Local\Temp\Invoice.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4984
    • 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\Invoice.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2836
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:836

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_shgb3ngw.f1p.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/836-11-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/836-64-0x00000000071F0000-0x000000000771C000-memory.dmp

    Filesize

    5.2MB

  • memory/836-63-0x0000000006990000-0x00000000069E0000-memory.dmp

    Filesize

    320KB

  • memory/836-62-0x0000000006AF0000-0x0000000006CB2000-memory.dmp

    Filesize

    1.8MB

  • memory/836-61-0x0000000074E90000-0x0000000075640000-memory.dmp

    Filesize

    7.7MB

  • memory/836-60-0x0000000074E90000-0x0000000075640000-memory.dmp

    Filesize

    7.7MB

  • memory/836-22-0x0000000074E90000-0x0000000075640000-memory.dmp

    Filesize

    7.7MB

  • memory/836-13-0x0000000074E90000-0x0000000075640000-memory.dmp

    Filesize

    7.7MB

  • memory/2836-19-0x0000000004E60000-0x0000000004E82000-memory.dmp

    Filesize

    136KB

  • memory/2836-35-0x0000000006E00000-0x0000000006E32000-memory.dmp

    Filesize

    200KB

  • memory/2836-59-0x0000000074E90000-0x0000000075640000-memory.dmp

    Filesize

    7.7MB

  • memory/2836-56-0x0000000007470000-0x0000000007478000-memory.dmp

    Filesize

    32KB

  • memory/2836-55-0x0000000007490000-0x00000000074AA000-memory.dmp

    Filesize

    104KB

  • memory/2836-15-0x0000000002560000-0x0000000002596000-memory.dmp

    Filesize

    216KB

  • memory/2836-16-0x0000000074E90000-0x0000000075640000-memory.dmp

    Filesize

    7.7MB

  • memory/2836-17-0x0000000005050000-0x0000000005678000-memory.dmp

    Filesize

    6.2MB

  • memory/2836-18-0x0000000074E90000-0x0000000075640000-memory.dmp

    Filesize

    7.7MB

  • memory/2836-20-0x0000000005680000-0x00000000056E6000-memory.dmp

    Filesize

    408KB

  • memory/2836-21-0x00000000056F0000-0x0000000005756000-memory.dmp

    Filesize

    408KB

  • memory/2836-54-0x0000000007390000-0x00000000073A4000-memory.dmp

    Filesize

    80KB

  • memory/2836-53-0x0000000007380000-0x000000000738E000-memory.dmp

    Filesize

    56KB

  • memory/2836-52-0x0000000007350000-0x0000000007361000-memory.dmp

    Filesize

    68KB

  • memory/2836-32-0x0000000005960000-0x0000000005CB4000-memory.dmp

    Filesize

    3.3MB

  • memory/2836-33-0x0000000005E30000-0x0000000005E4E000-memory.dmp

    Filesize

    120KB

  • memory/2836-34-0x0000000005E70000-0x0000000005EBC000-memory.dmp

    Filesize

    304KB

  • memory/2836-51-0x00000000073D0000-0x0000000007466000-memory.dmp

    Filesize

    600KB

  • memory/2836-36-0x00000000708C0000-0x000000007090C000-memory.dmp

    Filesize

    304KB

  • memory/2836-46-0x0000000006DC0000-0x0000000006DDE000-memory.dmp

    Filesize

    120KB

  • memory/2836-47-0x0000000006E40000-0x0000000006EE3000-memory.dmp

    Filesize

    652KB

  • memory/2836-48-0x00000000077A0000-0x0000000007E1A000-memory.dmp

    Filesize

    6.5MB

  • memory/2836-49-0x0000000007150000-0x000000000716A000-memory.dmp

    Filesize

    104KB

  • memory/2836-50-0x00000000071D0000-0x00000000071DA000-memory.dmp

    Filesize

    40KB

  • memory/4984-10-0x000000000BD20000-0x000000000BDBC000-memory.dmp

    Filesize

    624KB

  • memory/4984-0-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

    Filesize

    4KB

  • memory/4984-6-0x00000000053E0000-0x00000000053FE000-memory.dmp

    Filesize

    120KB

  • memory/4984-7-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

    Filesize

    4KB

  • memory/4984-14-0x0000000074E90000-0x0000000075640000-memory.dmp

    Filesize

    7.7MB

  • memory/4984-8-0x0000000074E90000-0x0000000075640000-memory.dmp

    Filesize

    7.7MB

  • memory/4984-9-0x0000000002770000-0x00000000027FE000-memory.dmp

    Filesize

    568KB

  • memory/4984-5-0x0000000004FD0000-0x0000000004FDA000-memory.dmp

    Filesize

    40KB

  • memory/4984-4-0x0000000074E90000-0x0000000075640000-memory.dmp

    Filesize

    7.7MB

  • memory/4984-3-0x0000000004F00000-0x0000000004F92000-memory.dmp

    Filesize

    584KB

  • memory/4984-2-0x0000000005580000-0x0000000005B24000-memory.dmp

    Filesize

    5.6MB

  • memory/4984-1-0x0000000000440000-0x000000000054A000-memory.dmp

    Filesize

    1.0MB