Analysis
- custom tags
- max time kernel
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
17/09/2026, 12:49
General
- Target jaffacakes118_virussign.com_f880380e0b7045c4af9836affe209030.exe
- Size 66KB
- Sample260917-p2efms1dqe
- SHA256 5c699e23e7255027874e69b4d7f22b12509d7e1a1131171ace7ceecc0b939b42
Malware Config
Signatures
- Family: bazaloader
- Detects BazaLoader malware 1 IoCs
BazaLoader is a trojan that transmits logs to the Command and Control (C2) server, encoding them in BASE64 format through GET requests - JaffaCakes118.
- Modifies WinLogon for persistence 2 TTPs 2 IoCs
- Modifies visibility of hidden/system files in Explorer 2 TTPs 2 IoCs
- Boot or Logon Autostart Execution: Active Setup 2 TTPs 8 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
- Executes dropped EXE 4 IoCs
- Adds Run key to start application 2 TTPs 4 IoCs
- Drops file in Windows directory 6 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 8 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 2 IoCs
- Suspicious use of SetWindowsHookEx 12 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\jaffacakes118_virussign.com_f880380e0b7045c4af9836affe209030.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_virussign.com_f880380e0b7045c4af9836affe209030.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\windows\system\explorer.exec:\windows\system\explorer.exe2⤵
- Modifies WinLogon for persistence
- Modifies visibility of hidden/system files in Explorer
- Boot or Logon Autostart Execution: Active Setup
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\windows\system\spoolsv.exec:\windows\system\spoolsv.exe SE3⤵
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\windows\system\svchost.exec:\windows\system\svchost.exe4⤵
- Modifies WinLogon for persistence
- Modifies visibility of hidden/system files in Explorer
- Boot or Logon Autostart Execution: Active Setup
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\windows\system\spoolsv.exec:\windows\system\spoolsv.exe PR5⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
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C:\Windows\SysWOW64\at.exeat 13:51 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe5⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\at.exeat 13:52 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe5⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\at.exeat 13:53 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe5⤵
- System Location Discovery: System Language Discovery
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Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
3Active Setup
1Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
3Active Setup
1Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
4Replay Monitor
Loading Replay Monitor...
Downloads
mrsys.exe
explorer.exe
spoolsv.exe
svchost.exe
memory/868-62-0x0000000000400000-0x0000000000431000-memory.dmp
memory/868-76-0x0000000000400000-0x0000000000431000-memory.dmp
memory/868-14-0x0000000074B50000-0x0000000074CAD000-memory.dmp
memory/868-17-0x0000000000400000-0x0000000000431000-memory.dmp
memory/1164-46-0x0000000000401000-0x000000000042E000-memory.dmp
memory/1164-2-0x0000000074B50000-0x0000000074CAD000-memory.dmp
memory/1164-4-0x0000000000401000-0x000000000042E000-memory.dmp
memory/1164-42-0x0000000000580000-0x0000000000584000-memory.dmp
memory/1164-3-0x0000000000400000-0x0000000000431000-memory.dmp
memory/1164-1-0x0000000000580000-0x0000000000584000-memory.dmp
memory/1164-59-0x0000000000400000-0x0000000000431000-memory.dmp
memory/1164-0-0x0000000000400000-0x0000000000431000-memory.dmp
memory/1164-60-0x0000000000401000-0x000000000042E000-memory.dmp
memory/4836-26-0x0000000000400000-0x0000000000431000-memory.dmp
memory/4836-27-0x0000000074B50000-0x0000000074CAD000-memory.dmp
memory/4836-57-0x0000000000400000-0x0000000000431000-memory.dmp
memory/4864-53-0x0000000000400000-0x0000000000431000-memory.dmp
memory/4864-47-0x0000000074B50000-0x0000000074CAD000-memory.dmp
memory/5252-44-0x0000000000400000-0x0000000000431000-memory.dmp
memory/5252-63-0x0000000000400000-0x0000000000431000-memory.dmp
memory/5252-38-0x0000000074B50000-0x0000000074CAD000-memory.dmp