Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/07/2026, 05:42

General

  • Target
    REMMITTANCE RETR SCS2208023.vbs
  • Size 5.2MB
  • Sample260724-geavyaef35
  • SHA256 96b747a94a2007c42913189440a8a3014f574d134148017cb2cebef4c66520ca
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • vipkeylogger

Credentials

Signatures

  • Family: DonutLoader

    DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

  • Family: VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Detects DonutLoader 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Program crash 1 IoCs
  • 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.

  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\REMMITTANCE RETR SCS2208023.vbs"
    1⤵
    • Executes a VBScript file via the Windows Script Host.
    • Suspicious use of WriteProcessMemory
    PID:3524
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -Command "$b64=[IO.File]::ReadAllText('C:\Users\Admin\AppData\Local\Temp\tmp894267.b64');$raw=[Text.Encoding]::UTF8.GetString([Convert]::FromBase64String($b64));[IO.File]::WriteAllBytes('C:\Users\Admin\AppData\Local\Temp\tmp894267.bat',[Convert]::FromBase64String($raw));Remove-Item 'C:\Users\Admin\AppData\Local\Temp\tmp894267.b64'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:124
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp894267.bat" "
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4608
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -w h -exec bypass -F "C:\Users\Admin\AppData\Local\Temp\aqxuklgowzoifs.ps1"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:5856
        • C:\Windows\system32\reg.exe
          "C:\Windows\system32\reg.exe" add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v Windows32 /t REG_SZ /d "\"C:\Users\Admin\AppData\Roaming\SetupFiles\vijewyufveonabghulluonouceyasi.exe\" \"C:\Users\Admin\AppData\Roaming\SetupFiles\wwmaw\"" /f
          4⤵
          • Adds Run key to start application
          • Modifies registry key
          PID:1536
        • C:\Users\Admin\AppData\Roaming\SetupFiles\vijewyufveonabghulluonouceyasi.exe
          "C:\Users\Admin\AppData\Roaming\SetupFiles\vijewyufveonabghulluonouceyasi.exe" C:\Users\Admin\AppData\Roaming\SetupFiles\wwmaw
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3576
          • C:\Windows\SysWOW64\charmap.exe
            C:\Windows\Syswow64\charmap.exe
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1964
  • C:\Users\Admin\AppData\Roaming\SetupFiles\vijewyufveonabghulluonouceyasi.exe
    "C:\Users\Admin\AppData\Roaming\SetupFiles\vijewyufveonabghulluonouceyasi.exe" "C:\Users\Admin\AppData\Roaming\SetupFiles\wwmaw"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4092
    • C:\Windows\SysWOW64\charmap.exe
      C:\Windows\Syswow64\charmap.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4664
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4664 -s 236
        3⤵
        • Program crash
        PID:1396
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4664 -ip 4664
    1⤵
      PID:6068

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 bcf8325db72c06bb7f6a8df3c4648a150d766a1857214c6b533c467029424ce8
          • MD5 SHA1 SHA512 TLSH

          tmp894267.b64

          • Path C:\Users\Admin\AppData\Local\Temp\tmp894267.b64
          • Size 10.5MB
          • SHA256 9c4e1e6791f302c04fde20d66cf207840d4e79e937379cad0ad376c4dbedb34c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          tmp894267.bat

          • Path C:\Users\Admin\AppData\Local\Temp\tmp894267.bat
          • Size 2.9MB
          • SHA256 ee8be5c8b869fb24a55001a294e4514d37753d851cddec9264ff6611ce8eddc7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Ennnn

          • Path C:\Users\Admin\AppData\Roaming\SetupFiles\Ennnn
          • Size 313KB
          • SHA256 dd41d1b322e68f8a7d3bc0e73a7fd78954843322c7e2932f8de2cfb370d75cb0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          vijewyufveonabghulluonouceyasi.exe

          • Path C:\Users\Admin\AppData\Roaming\SetupFiles\vijewyufveonabghulluonouceyasi.exe
          • Size 957KB
          • SHA256 bdd2b7236a110b04c288380ad56e8d7909411da93eed2921301206de0cb0dda1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          wwmaw

          • Path C:\Users\Admin\AppData\Roaming\SetupFiles\wwmaw
          • Size 1KB
          • SHA256 dc993f148b69a661d0fab529381b5c19b1765c266bfcba4b56fa5bdb2a825f79
          • MD5 SHA1 SHA512 TLSH

          memory/124-8-0x00007FFA93550000-0x00007FFA93EF4000-memory.dmp

          memory/124-7-0x00007FFA93550000-0x00007FFA93EF4000-memory.dmp

          memory/124-11-0x00007FFA93550000-0x00007FFA93EF4000-memory.dmp

          memory/124-13-0x00007FFA93550000-0x00007FFA93EF4000-memory.dmp

          memory/124-16-0x00007FFA93550000-0x00007FFA93EF4000-memory.dmp

          memory/124-15-0x00007FFA93550000-0x00007FFA93EF4000-memory.dmp

          memory/124-1-0x00007FFA936DF000-0x00007FFA936E0000-memory.dmp

          memory/124-9-0x00007FFA93550000-0x00007FFA93EF4000-memory.dmp

          memory/124-6-0x00007FFA93550000-0x00007FFA93EF4000-memory.dmp

          memory/124-2-0x0000022DC8C60000-0x0000022DC8C82000-memory.dmp

          memory/124-3-0x00007FFA93550000-0x00007FFA93EF4000-memory.dmp

          memory/1964-39-0x0000000007EF0000-0x0000000007F3E000-memory.dmp

          memory/1964-40-0x0000000008690000-0x0000000008C4A000-memory.dmp

          memory/1964-41-0x0000000008180000-0x000000000821C000-memory.dmp

          memory/4664-37-0x0000000000BA0000-0x0000000000BEF000-memory.dmp