Analysis

  • max time kernel
    94s
  • max time network
    203s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/02/2025, 07:41

General

  • Target

    Bank Transfer Form.exe

  • Size

    1.0MB

  • MD5

    2f8a0052d88d31c435d71cd69f930f02

  • SHA1

    993258bc6b7f24bf6cddb3c2576d2f5e2d113df2

  • SHA256

    3c00e14ee895971b1e91ad04aebc4970b9526b79ee8413c900acbb9b4ae702b8

  • SHA512

    272c5567178a68e7b5c974318d248d75149908b98434ca6ea3f943b05bb6724bde012343728b0d58e994303dfd736fed1d12be5188a930c63bef248dc4e17899

  • SSDEEP

    12288:NuJeZjC/WM6HHmtLgXcyMhiHig8fAigjPUxPiu2hqdb8ilACux5:wJeM/WTHGJgXug86PU9iFhqdb8iyz

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.

  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bank Transfer Form.exe
    "C:\Users\Admin\AppData\Local\Temp\Bank Transfer Form.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:6080
    • 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\Bank Transfer Form.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4104
    • C:\Users\Admin\AppData\Local\Temp\Bank Transfer Form.exe
      "C:\Users\Admin\AppData\Local\Temp\Bank Transfer Form.exe"
      2⤵
        PID:3864
      • C:\Users\Admin\AppData\Local\Temp\Bank Transfer Form.exe
        "C:\Users\Admin\AppData\Local\Temp\Bank Transfer Form.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2760
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2760 -s 1492
          3⤵
          • Program crash
          PID:1956
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2760 -ip 2760
      1⤵
        PID:4092

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Bank Transfer Form.exe.log

        Filesize

        1KB

        MD5

        de3d9ab4d240ea92574fb9f15d887599

        SHA1

        a34a302862495c59af59e2b3ab15e23625de2f77

        SHA256

        d6eeab29d2390946ef726c2bb234f820296afad15aa8c9b34078150d63c3eb63

        SHA512

        1f5a46df6ff38e6dbc415e405d5d3f07d840a219f0e0c5027aac9bfc5e51badbfb4c6ce96e6ee0f2d5ebd59d46902d087cc572fe21bc0cd849653df627b49492

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_egsp00wx.vec.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • memory/2760-12-0x0000000000400000-0x0000000000448000-memory.dmp

        Filesize

        288KB

      • memory/2760-50-0x0000000075250000-0x0000000075A00000-memory.dmp

        Filesize

        7.7MB

      • memory/2760-29-0x0000000075250000-0x0000000075A00000-memory.dmp

        Filesize

        7.7MB

      • memory/2760-16-0x0000000075250000-0x0000000075A00000-memory.dmp

        Filesize

        7.7MB

      • memory/4104-38-0x0000000007690000-0x00000000076C2000-memory.dmp

        Filesize

        200KB

      • memory/4104-52-0x00000000080E0000-0x000000000875A000-memory.dmp

        Filesize

        6.5MB

      • memory/4104-63-0x0000000075250000-0x0000000075A00000-memory.dmp

        Filesize

        7.7MB

      • memory/4104-60-0x0000000007DB0000-0x0000000007DB8000-memory.dmp

        Filesize

        32KB

      • memory/4104-59-0x0000000007DD0000-0x0000000007DEA000-memory.dmp

        Filesize

        104KB

      • memory/4104-58-0x0000000007CD0000-0x0000000007CE4000-memory.dmp

        Filesize

        80KB

      • memory/4104-57-0x0000000007CC0000-0x0000000007CCE000-memory.dmp

        Filesize

        56KB

      • memory/4104-56-0x0000000007C90000-0x0000000007CA1000-memory.dmp

        Filesize

        68KB

      • memory/4104-55-0x0000000007D10000-0x0000000007DA6000-memory.dmp

        Filesize

        600KB

      • memory/4104-54-0x0000000007B00000-0x0000000007B0A000-memory.dmp

        Filesize

        40KB

      • memory/4104-17-0x0000000005130000-0x0000000005166000-memory.dmp

        Filesize

        216KB

      • memory/4104-18-0x0000000075250000-0x0000000075A00000-memory.dmp

        Filesize

        7.7MB

      • memory/4104-19-0x00000000057C0000-0x0000000005DE8000-memory.dmp

        Filesize

        6.2MB

      • memory/4104-20-0x0000000075250000-0x0000000075A00000-memory.dmp

        Filesize

        7.7MB

      • memory/4104-22-0x0000000005DF0000-0x0000000005E56000-memory.dmp

        Filesize

        408KB

      • memory/4104-23-0x0000000005F60000-0x0000000005FC6000-memory.dmp

        Filesize

        408KB

      • memory/4104-21-0x00000000056F0000-0x0000000005712000-memory.dmp

        Filesize

        136KB

      • memory/4104-30-0x00000000060A0000-0x00000000063F4000-memory.dmp

        Filesize

        3.3MB

      • memory/4104-53-0x0000000007A90000-0x0000000007AAA000-memory.dmp

        Filesize

        104KB

      • memory/4104-51-0x00000000076D0000-0x0000000007773000-memory.dmp

        Filesize

        652KB

      • memory/4104-35-0x00000000066D0000-0x00000000066EE000-memory.dmp

        Filesize

        120KB

      • memory/4104-36-0x0000000006760000-0x00000000067AC000-memory.dmp

        Filesize

        304KB

      • memory/4104-37-0x0000000075250000-0x0000000075A00000-memory.dmp

        Filesize

        7.7MB

      • memory/4104-39-0x0000000070C80000-0x0000000070CCC000-memory.dmp

        Filesize

        304KB

      • memory/4104-49-0x0000000006C90000-0x0000000006CAE000-memory.dmp

        Filesize

        120KB

      • memory/6080-15-0x0000000075250000-0x0000000075A00000-memory.dmp

        Filesize

        7.7MB

      • memory/6080-2-0x0000000005280000-0x0000000005824000-memory.dmp

        Filesize

        5.6MB

      • memory/6080-0-0x000000007525E000-0x000000007525F000-memory.dmp

        Filesize

        4KB

      • memory/6080-7-0x0000000006580000-0x000000000659E000-memory.dmp

        Filesize

        120KB

      • memory/6080-3-0x0000000004CD0000-0x0000000004D62000-memory.dmp

        Filesize

        584KB

      • memory/6080-4-0x0000000004E60000-0x00000000051B4000-memory.dmp

        Filesize

        3.3MB

      • memory/6080-1-0x0000000000200000-0x000000000030E000-memory.dmp

        Filesize

        1.1MB

      • memory/6080-5-0x0000000075250000-0x0000000075A00000-memory.dmp

        Filesize

        7.7MB

      • memory/6080-6-0x00000000051C0000-0x00000000051CA000-memory.dmp

        Filesize

        40KB

      • memory/6080-11-0x000000000D410000-0x000000000D4AC000-memory.dmp

        Filesize

        624KB

      • memory/6080-10-0x0000000002640000-0x00000000026CE000-memory.dmp

        Filesize

        568KB

      • memory/6080-9-0x0000000075250000-0x0000000075A00000-memory.dmp

        Filesize

        7.7MB

      • memory/6080-8-0x000000007525E000-0x000000007525F000-memory.dmp

        Filesize

        4KB