Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/02/2025, 02:30

General

  • Target

    rRFQ532566.scr.exe

  • Size

    766KB

  • MD5

    245c4d3a899092760b21b3bd44d3aca2

  • SHA1

    0e36e09bfae68d6ba5a671668eccfd2ded99c776

  • SHA256

    b4282d41f039431e25a94f29622f0585cbff48d86958118e770cfb8b2d16baea

  • SHA512

    a2c627adea14bd687915a48e47529635f58625529f12af3766177683ff73fe681b26c0d33ff3f6722fe201c6d34cd71da3304f3143891a9e058ed9d03916f4af

  • SSDEEP

    12288:0Mr8I0MdYeXY/e1ApfXEnCTzX75mkIQIadeBYilF3YDHFBSukOS19gC76sgFAjku:0MrbxRqfXZ75m16emiX3OlBSuaJLsord

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7305300476:AAEUtST2qu1J2LKdbC6Wuf8pKunuBNKtYtk/sendMessage?chat_id=6750192797

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 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\rRFQ532566.scr.exe
    "C:\Users\Admin\AppData\Local\Temp\rRFQ532566.scr.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 FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2424
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\NjlsFpztigKJe.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2200
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NjlsFpztigKJe" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE4F1.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:844
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.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:1364

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_sb232lfj.fpo.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpE4F1.tmp

    Filesize

    1KB

    MD5

    87e7c0de92c223256dd027618d30d743

    SHA1

    6029ce110a796add2bb7a6fd202e62043b56eafd

    SHA256

    fc44935475fcdc6faa03ae4d1770da2265bcf6d1c63b24e73cb266286584c6d7

    SHA512

    779f4b8134dd4e8789339362387d943ef799ac8951fa7681114ce3d2b75bf30ced40c3e7f2effbdb53c5485db44ca644e7e1b4ffb1d4a9155f44247934551505

  • memory/1364-67-0x00000000060F0000-0x0000000006140000-memory.dmp

    Filesize

    320KB

  • memory/1364-66-0x0000000006270000-0x0000000006432000-memory.dmp

    Filesize

    1.8MB

  • memory/1364-65-0x0000000074C30000-0x00000000753E0000-memory.dmp

    Filesize

    7.7MB

  • memory/1364-21-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1364-37-0x0000000074C30000-0x00000000753E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2200-55-0x0000000007390000-0x000000000739A000-memory.dmp

    Filesize

    40KB

  • memory/2200-39-0x00000000060E0000-0x000000000612C000-memory.dmp

    Filesize

    304KB

  • memory/2200-64-0x0000000074C30000-0x00000000753E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2200-61-0x0000000007640000-0x0000000007648000-memory.dmp

    Filesize

    32KB

  • memory/2200-15-0x0000000004A40000-0x0000000004A76000-memory.dmp

    Filesize

    216KB

  • memory/2200-17-0x0000000005180000-0x00000000057A8000-memory.dmp

    Filesize

    6.2MB

  • memory/2200-60-0x0000000007660000-0x000000000767A000-memory.dmp

    Filesize

    104KB

  • memory/2200-18-0x0000000074C30000-0x00000000753E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2200-19-0x0000000074C30000-0x00000000753E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2200-20-0x0000000074C30000-0x00000000753E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2200-24-0x00000000059C0000-0x0000000005A26000-memory.dmp

    Filesize

    408KB

  • memory/2200-23-0x00000000058A0000-0x0000000005906000-memory.dmp

    Filesize

    408KB

  • memory/2200-22-0x0000000005020000-0x0000000005042000-memory.dmp

    Filesize

    136KB

  • memory/2200-35-0x0000000005A30000-0x0000000005D84000-memory.dmp

    Filesize

    3.3MB

  • memory/2200-59-0x0000000007560000-0x0000000007574000-memory.dmp

    Filesize

    80KB

  • memory/2200-58-0x0000000007550000-0x000000000755E000-memory.dmp

    Filesize

    56KB

  • memory/2200-57-0x0000000007520000-0x0000000007531000-memory.dmp

    Filesize

    68KB

  • memory/2200-56-0x00000000075A0000-0x0000000007636000-memory.dmp

    Filesize

    600KB

  • memory/2200-38-0x0000000006010000-0x000000000602E000-memory.dmp

    Filesize

    120KB

  • memory/2200-54-0x0000000007320000-0x000000000733A000-memory.dmp

    Filesize

    104KB

  • memory/2200-40-0x00000000065B0000-0x00000000065E2000-memory.dmp

    Filesize

    200KB

  • memory/2200-41-0x00000000754C0000-0x000000007550C000-memory.dmp

    Filesize

    304KB

  • memory/2200-51-0x0000000006600000-0x000000000661E000-memory.dmp

    Filesize

    120KB

  • memory/2200-52-0x0000000006FF0000-0x0000000007093000-memory.dmp

    Filesize

    652KB

  • memory/2200-53-0x0000000007960000-0x0000000007FDA000-memory.dmp

    Filesize

    6.5MB

  • memory/2424-8-0x0000000074C3E000-0x0000000074C3F000-memory.dmp

    Filesize

    4KB

  • memory/2424-0-0x0000000074C3E000-0x0000000074C3F000-memory.dmp

    Filesize

    4KB

  • memory/2424-4-0x00000000052A0000-0x000000000533C000-memory.dmp

    Filesize

    624KB

  • memory/2424-5-0x0000000005220000-0x000000000522A000-memory.dmp

    Filesize

    40KB

  • memory/2424-36-0x0000000074C30000-0x00000000753E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2424-6-0x0000000074C30000-0x00000000753E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2424-7-0x00000000064C0000-0x00000000064D8000-memory.dmp

    Filesize

    96KB

  • memory/2424-10-0x0000000006620000-0x00000000066AE000-memory.dmp

    Filesize

    568KB

  • memory/2424-9-0x0000000074C30000-0x00000000753E0000-memory.dmp

    Filesize

    7.7MB

  • memory/2424-3-0x0000000005160000-0x00000000051F2000-memory.dmp

    Filesize

    584KB

  • memory/2424-2-0x0000000005710000-0x0000000005CB4000-memory.dmp

    Filesize

    5.6MB

  • memory/2424-1-0x00000000006A0000-0x0000000000764000-memory.dmp

    Filesize

    784KB