Windows 7 deprecation
Windows 7 will be removed from tria.ge on 2025-03-31
Analysis
-
max time kernel
140s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
03/12/2022, 02:44
Static task
static1
Behavioral task
behavioral1
Sample
f67fc61c3846516c3946fcc26a21853025ff6ae26ca18f5f333e7bcb0316816b.dll
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
f67fc61c3846516c3946fcc26a21853025ff6ae26ca18f5f333e7bcb0316816b.dll
Resource
win10v2004-20220812-en
General
-
Target
f67fc61c3846516c3946fcc26a21853025ff6ae26ca18f5f333e7bcb0316816b.dll
-
Size
230KB
-
MD5
f36e7778d529ef8705c6659aec39543c
-
SHA1
1c016c36c77b824eb52f7a7e8e8b05fa678f326f
-
SHA256
f67fc61c3846516c3946fcc26a21853025ff6ae26ca18f5f333e7bcb0316816b
-
SHA512
037abe2e6daf28e5694655d52a6edf68ea58720138269cb794f5f0cac1d773edd60b32b680e0f62e2506cc621dee33b2da76a2856f700abb1348ab575d28d8c9
-
SSDEEP
1536:QiaVnouSu4CU7XZfjPcj/NMC2PhBRX99m+g9Vxm5dZZpQCLWGUGowkTEI/Q:VioFCUrJcj/uC2b9+x0Jq8uwkQII
Malware Config
Signatures
-
Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\jsllr = "{98375403-10bf-6504-21c0-10bfdc8be4e6}" rundll32.exe -
Loads dropped DLL 1 IoCs
pid Process 1952 rundll32.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File created C:\Windows\SysWOW64\wfyye.dll rundll32.exe File opened for modification C:\Windows\SysWOW64\wfyye.dll rundll32.exe File created C:\Windows\SysWOW64\enggm.dll rundll32.exe File opened for modification C:\Windows\SysWOW64\enggm.dll rundll32.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{98375403-10bf-6504-21c0-10bfdc8be4e6}\InprocServer32 rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{98375403-10bf-6504-21c0-10bfdc8be4e6}\InprocServer32\ = "C:\\Windows\\SysWow64\\enggm.dll" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{98375403-10bf-6504-21c0-10bfdc8be4e6}\InprocServer32\ThreadingModel = "Apartment" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{98375403-10bf-6504-21c0-10bfdc8be4e6} rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{98375403-10bf-6504-21c0-10bfdc8be4e6}\ rundll32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1952 rundll32.exe 1952 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1952 rundll32.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1952 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1448 wrote to memory of 1952 1448 rundll32.exe 80 PID 1448 wrote to memory of 1952 1448 rundll32.exe 80 PID 1448 wrote to memory of 1952 1448 rundll32.exe 80
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f67fc61c3846516c3946fcc26a21853025ff6ae26ca18f5f333e7bcb0316816b.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1448 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f67fc61c3846516c3946fcc26a21853025ff6ae26ca18f5f333e7bcb0316816b.dll,#12⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Loads dropped DLL
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1952
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
478KB
MD5e99416267b61f52fa5ab994019efd359
SHA186d31eae707db7fe51d2556394fcf0e8e9f6b0fd
SHA256768c286674371564b5e6095edb56e0a4231f341be895da69cfccca5160029774
SHA5120a1c7579a9c787c2c1bef35f0660e72e74b42824e14ebea63b87ed25ddaf107e3746567bb431cab41a2f6719fad2c22d96e0715a1fe085d75805d7d66f7f05ae