Analysis
-
max time kernel
187s -
max time network
209s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
25-11-2022 22:38
Static task
static1
Behavioral task
behavioral1
Sample
3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe
Resource
win10v2004-20221111-en
General
-
Target
3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe
-
Size
1.2MB
-
MD5
8bfb1935c56b66fdf3b685c5b4954d81
-
SHA1
5950c2ebb470a5b98e1017c476bdc9420855f690
-
SHA256
3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5
-
SHA512
dd695892e577d1d5a404ff840670945a60dff06921bfce48f6d7ab04cf09d4ece094aee4e13442bdd3ae00adb22fdc906dbc5a08e182fc33df343279e3e031c8
-
SSDEEP
24576:eJeJfAqkjp98zHpieTXpa8YHDsj1YEcycJ9nPx/I:UeJfAJGpLrpajHDe1PcrnP6
Malware Config
Signatures
-
Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe regsvr.exe" 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe -
Disables RegEdit via registry modification 1 IoCs
Processes:
3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe -
Disables Task Manager via registry modification
-
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Msn Messsenger = "C:\\Windows\\system32\\regsvr.exe" 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe -
Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exedescription ioc process File opened (read-only) \??\h: 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe File opened (read-only) \??\k: 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe File opened (read-only) \??\l: 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe File opened (read-only) \??\p: 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe File opened (read-only) \??\u: 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe File opened (read-only) \??\v: 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe File opened (read-only) \??\a: 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe File opened (read-only) \??\f: 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe File opened (read-only) \??\t: 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe File opened (read-only) \??\w: 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe File opened (read-only) \??\y: 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe File opened (read-only) \??\z: 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe File opened (read-only) \??\g: 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe File opened (read-only) \??\n: 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe File opened (read-only) \??\m: 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe File opened (read-only) \??\o: 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe File opened (read-only) \??\q: 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe File opened (read-only) \??\e: 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe File opened (read-only) \??\i: 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe File opened (read-only) \??\r: 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe File opened (read-only) \??\s: 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe File opened (read-only) \??\x: 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe File opened (read-only) \??\b: 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe File opened (read-only) \??\j: 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe -
AutoIT Executable 2 IoCs
AutoIT scripts compiled to PE executables.
Processes:
resource yara_rule behavioral2/memory/4324-132-0x0000000000400000-0x00000000004B8000-memory.dmp autoit_exe behavioral2/memory/4324-137-0x0000000000400000-0x00000000004B8000-memory.dmp autoit_exe -
Drops file in System32 directory 8 IoCs
Processes:
3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exedescription ioc process File opened for modification C:\Windows\SysWOW64\regsvr.exe 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe File created C:\Windows\SysWOW64\svchost .exe 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe File opened for modification C:\Windows\SysWOW64\svchost .exe 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe File opened for modification C:\Windows\SysWOW64\setup.ini 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe File created C:\Windows\SysWOW64\setting.ini 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe File opened for modification C:\Windows\SysWOW64\setting.ini 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe File opened for modification C:\Windows\SysWOW64\28463 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe File created C:\Windows\SysWOW64\regsvr.exe 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe -
Drops file in Windows directory 2 IoCs
Processes:
3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exedescription ioc process File created C:\Windows\regsvr.exe 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe File opened for modification C:\Windows\regsvr.exe 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exepid process 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.execmd.execmd.exedescription pid process target process PID 4324 wrote to memory of 4136 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe cmd.exe PID 4324 wrote to memory of 4136 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe cmd.exe PID 4324 wrote to memory of 4136 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe cmd.exe PID 4136 wrote to memory of 5044 4136 cmd.exe at.exe PID 4136 wrote to memory of 5044 4136 cmd.exe at.exe PID 4136 wrote to memory of 5044 4136 cmd.exe at.exe PID 4324 wrote to memory of 3360 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe cmd.exe PID 4324 wrote to memory of 3360 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe cmd.exe PID 4324 wrote to memory of 3360 4324 3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe cmd.exe PID 3360 wrote to memory of 4376 3360 cmd.exe at.exe PID 3360 wrote to memory of 4376 3360 cmd.exe at.exe PID 3360 wrote to memory of 4376 3360 cmd.exe at.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe"C:\Users\Admin\AppData\Local\Temp\3c21287b4080837b949a3f7ffb031d8ed3556089700b89811c9e7dbefa81b5e5.exe"1⤵
- Modifies WinLogon for persistence
- Disables RegEdit via registry modification
- Adds Run key to start application
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /C AT /delete /yes2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\at.exeAT /delete /yes3⤵
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /C AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\svchost .exe2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\at.exeAT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\svchost .exe3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/3360-135-0x0000000000000000-mapping.dmp
-
memory/4136-133-0x0000000000000000-mapping.dmp
-
memory/4324-132-0x0000000000400000-0x00000000004B8000-memory.dmpFilesize
736KB
-
memory/4324-137-0x0000000000400000-0x00000000004B8000-memory.dmpFilesize
736KB
-
memory/4376-136-0x0000000000000000-mapping.dmp
-
memory/5044-134-0x0000000000000000-mapping.dmp