darkcomet | 9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7

Analysis

max time kernel
172s
max time network
174s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01-10-2022 23:49

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General

Target

9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe
Size

385KB
MD5

cd433e011e7459cfdd655a746091468d
SHA1

9ec239c9f172811477a912e2eabdd2e5595309fd
SHA256

9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7
SHA512

e068db8e49a4585686510cb845d5a31ea50f38478bef81bf0c62818cbe17273ec7ec17fd7208a4ebe8687f50383d9323d5d00361483adbda7dd5393ba6680c25
SSDEEP

6144:8cNYk1yuwEDBum3qYWnl0pd0EX3Zq2b6wfIDYm0PnLwtvDzbYgfmX4rFBgp1:8cWkbgTYWnYnt/IDYhP0pDPYYm66

Score

10^/10

darkcomet guest16 evasion persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

megaserver9.ddns.net:1604

Mutex

DC_MUTEX-GSZE25Q

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
Rc79eTyNGsqt
install
true
offline_keylogger
true
persistence
true
reg_key
MicroUpdate

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe

Modifies firewall policy service 2 TTPs 6 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

Processes:

msdcsc.exeiexplore.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	msdcsc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	iexplore.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	iexplore.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	iexplore.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	msdcsc.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	msdcsc.exe

Modifies security service 2 TTPs 2 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

Processes:

msdcsc.exeiexplore.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4"	msdcsc.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4"	iexplore.exe

Windows security bypass 2 TTPs 4 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

msdcsc.exeiexplore.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	msdcsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	iexplore.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	iexplore.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	msdcsc.exe

Disables RegEdit via registry modification 2 IoCs

evasion

Processes:

msdcsc.exeiexplore.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	msdcsc.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	iexplore.exe

Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

4244 msdcsc.exe
Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exe

pid process

432 attrib.exe
500 attrib.exe

pid	process
4244	msdcsc.exe

pid	process
432	attrib.exe
500	attrib.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/4736-135-0x0000000000400000-0x00000000004FA000-memory.dmp	upx
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe	upx
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe	upx
behavioral2/memory/4244-141-0x0000000000400000-0x00000000004FA000-memory.dmp	upx

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

msdcsc.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	msdcsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	msdcsc.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exemsdcsc.exeiexplore.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	iexplore.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

msdcsc.exe

description pid process target process

PID 4244 set thread context of 3836 4244 msdcsc.exe iexplore.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	pid	process	target process
PID 4244 set thread context of 3836	4244	msdcsc.exe	iexplore.exe

Modifies registry class 1 IoCs

Processes:

9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

3836 iexplore.exe

pid	process
3836	iexplore.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exemsdcsc.exeiexplore.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe
Token: SeSecurityPrivilege	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe
Token: SeTakeOwnershipPrivilege	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe
Token: SeLoadDriverPrivilege	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe
Token: SeSystemProfilePrivilege	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe
Token: SeSystemtimePrivilege	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe
Token: SeProfSingleProcessPrivilege	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe
Token: SeIncBasePriorityPrivilege	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe
Token: SeCreatePagefilePrivilege	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe
Token: SeBackupPrivilege	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe
Token: SeRestorePrivilege	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe
Token: SeShutdownPrivilege	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe
Token: SeDebugPrivilege	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe
Token: SeSystemEnvironmentPrivilege	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe
Token: SeChangeNotifyPrivilege	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe
Token: SeRemoteShutdownPrivilege	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe
Token: SeUndockPrivilege	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe
Token: SeManageVolumePrivilege	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe
Token: SeImpersonatePrivilege	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe
Token: SeCreateGlobalPrivilege	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe
Token: 33	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe
Token: 34	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe
Token: 35	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe
Token: 36	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe
Token: SeIncreaseQuotaPrivilege	4244	msdcsc.exe
Token: SeSecurityPrivilege	4244	msdcsc.exe
Token: SeTakeOwnershipPrivilege	4244	msdcsc.exe
Token: SeLoadDriverPrivilege	4244	msdcsc.exe
Token: SeSystemProfilePrivilege	4244	msdcsc.exe
Token: SeSystemtimePrivilege	4244	msdcsc.exe
Token: SeProfSingleProcessPrivilege	4244	msdcsc.exe
Token: SeIncBasePriorityPrivilege	4244	msdcsc.exe
Token: SeCreatePagefilePrivilege	4244	msdcsc.exe
Token: SeBackupPrivilege	4244	msdcsc.exe
Token: SeRestorePrivilege	4244	msdcsc.exe
Token: SeShutdownPrivilege	4244	msdcsc.exe
Token: SeDebugPrivilege	4244	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	4244	msdcsc.exe
Token: SeChangeNotifyPrivilege	4244	msdcsc.exe
Token: SeRemoteShutdownPrivilege	4244	msdcsc.exe
Token: SeUndockPrivilege	4244	msdcsc.exe
Token: SeManageVolumePrivilege	4244	msdcsc.exe
Token: SeImpersonatePrivilege	4244	msdcsc.exe
Token: SeCreateGlobalPrivilege	4244	msdcsc.exe
Token: 33	4244	msdcsc.exe
Token: 34	4244	msdcsc.exe
Token: 35	4244	msdcsc.exe
Token: 36	4244	msdcsc.exe
Token: SeIncreaseQuotaPrivilege	3836	iexplore.exe
Token: SeSecurityPrivilege	3836	iexplore.exe
Token: SeTakeOwnershipPrivilege	3836	iexplore.exe
Token: SeLoadDriverPrivilege	3836	iexplore.exe
Token: SeSystemProfilePrivilege	3836	iexplore.exe
Token: SeSystemtimePrivilege	3836	iexplore.exe
Token: SeProfSingleProcessPrivilege	3836	iexplore.exe
Token: SeIncBasePriorityPrivilege	3836	iexplore.exe
Token: SeCreatePagefilePrivilege	3836	iexplore.exe
Token: SeBackupPrivilege	3836	iexplore.exe
Token: SeRestorePrivilege	3836	iexplore.exe
Token: SeShutdownPrivilege	3836	iexplore.exe
Token: SeDebugPrivilege	3836	iexplore.exe
Token: SeSystemEnvironmentPrivilege	3836	iexplore.exe
Token: SeChangeNotifyPrivilege	3836	iexplore.exe
Token: SeRemoteShutdownPrivilege	3836	iexplore.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

iexplore.exe

pid process

3836 iexplore.exe

pid	process
3836	iexplore.exe

Suspicious use of WriteProcessMemory 59 IoCs

Processes:

9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.execmd.execmd.exemsdcsc.exeiexplore.exe

description	pid	process	target process
PID 4736 wrote to memory of 4032	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe	cmd.exe
PID 4736 wrote to memory of 4032	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe	cmd.exe
PID 4736 wrote to memory of 4032	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe	cmd.exe
PID 4736 wrote to memory of 2220	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe	cmd.exe
PID 4736 wrote to memory of 2220	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe	cmd.exe
PID 4736 wrote to memory of 2220	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe	cmd.exe
PID 4736 wrote to memory of 3500	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe	notepad.exe
PID 4736 wrote to memory of 3500	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe	notepad.exe
PID 4736 wrote to memory of 3500	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe	notepad.exe
PID 4736 wrote to memory of 3500	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe	notepad.exe
PID 4736 wrote to memory of 3500	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe	notepad.exe
PID 4736 wrote to memory of 3500	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe	notepad.exe
PID 4736 wrote to memory of 3500	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe	notepad.exe
PID 4736 wrote to memory of 3500	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe	notepad.exe
PID 4736 wrote to memory of 3500	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe	notepad.exe
PID 4736 wrote to memory of 3500	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe	notepad.exe
PID 4736 wrote to memory of 3500	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe	notepad.exe
PID 4736 wrote to memory of 3500	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe	notepad.exe
PID 4736 wrote to memory of 3500	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe	notepad.exe
PID 4736 wrote to memory of 3500	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe	notepad.exe
PID 4736 wrote to memory of 3500	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe	notepad.exe
PID 4736 wrote to memory of 3500	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe	notepad.exe
PID 4736 wrote to memory of 3500	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe	notepad.exe
PID 4032 wrote to memory of 500	4032	cmd.exe	attrib.exe
PID 4032 wrote to memory of 500	4032	cmd.exe	attrib.exe
PID 4032 wrote to memory of 500	4032	cmd.exe	attrib.exe
PID 2220 wrote to memory of 432	2220	cmd.exe	attrib.exe
PID 2220 wrote to memory of 432	2220	cmd.exe	attrib.exe
PID 2220 wrote to memory of 432	2220	cmd.exe	attrib.exe
PID 4736 wrote to memory of 4244	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe	msdcsc.exe
PID 4736 wrote to memory of 4244	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe	msdcsc.exe
PID 4736 wrote to memory of 4244	4736	9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe	msdcsc.exe
PID 4244 wrote to memory of 3836	4244	msdcsc.exe	iexplore.exe
PID 4244 wrote to memory of 3836	4244	msdcsc.exe	iexplore.exe
PID 4244 wrote to memory of 3836	4244	msdcsc.exe	iexplore.exe
PID 4244 wrote to memory of 3836	4244	msdcsc.exe	iexplore.exe
PID 4244 wrote to memory of 3836	4244	msdcsc.exe	iexplore.exe
PID 3836 wrote to memory of 4940	3836	iexplore.exe	notepad.exe
PID 3836 wrote to memory of 4940	3836	iexplore.exe	notepad.exe
PID 3836 wrote to memory of 4940	3836	iexplore.exe	notepad.exe
PID 3836 wrote to memory of 4940	3836	iexplore.exe	notepad.exe
PID 3836 wrote to memory of 4940	3836	iexplore.exe	notepad.exe
PID 3836 wrote to memory of 4940	3836	iexplore.exe	notepad.exe
PID 3836 wrote to memory of 4940	3836	iexplore.exe	notepad.exe
PID 3836 wrote to memory of 4940	3836	iexplore.exe	notepad.exe
PID 3836 wrote to memory of 4940	3836	iexplore.exe	notepad.exe
PID 3836 wrote to memory of 4940	3836	iexplore.exe	notepad.exe
PID 3836 wrote to memory of 4940	3836	iexplore.exe	notepad.exe
PID 3836 wrote to memory of 4940	3836	iexplore.exe	notepad.exe
PID 3836 wrote to memory of 4940	3836	iexplore.exe	notepad.exe
PID 3836 wrote to memory of 4940	3836	iexplore.exe	notepad.exe
PID 3836 wrote to memory of 4940	3836	iexplore.exe	notepad.exe
PID 3836 wrote to memory of 4940	3836	iexplore.exe	notepad.exe
PID 3836 wrote to memory of 4940	3836	iexplore.exe	notepad.exe
PID 3836 wrote to memory of 4940	3836	iexplore.exe	notepad.exe
PID 3836 wrote to memory of 4940	3836	iexplore.exe	notepad.exe
PID 3836 wrote to memory of 4940	3836	iexplore.exe	notepad.exe
PID 3836 wrote to memory of 4940	3836	iexplore.exe	notepad.exe
PID 3836 wrote to memory of 4940	3836	iexplore.exe	notepad.exe

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

Processes:

msdcsc.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion	msdcsc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern	msdcsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1"	msdcsc.exe

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exe

pid process

432 attrib.exe
500 attrib.exe

pid	process
432	attrib.exe
500	attrib.exe

C:\Users\Admin\AppData\Local\Temp\9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe
"C:\Users\Admin\AppData\Local\Temp\9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4736

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe" +s +h
2⤵
- Suspicious use of WriteProcessMemory
PID:4032

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7.exe" +s +h
3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:500

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
2⤵
- Suspicious use of WriteProcessMemory
PID:2220

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:432

C:\Windows\SysWOW64\notepad.exe
notepad
2⤵
PID:3500

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
2⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- Executes dropped EXE
- Windows security modification
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4244

C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
3⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3836

C:\Windows\SysWOW64\notepad.exe
notepad
4⤵
PID:4940

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

T1004

Modify Existing Service

T1031

Hidden Files and Directories

T1158

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Disabling Security Tools

T1089

Hidden Files and Directories

T1158

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
Filesize
385KB

MD5
cd433e011e7459cfdd655a746091468d

SHA1
9ec239c9f172811477a912e2eabdd2e5595309fd

SHA256
9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7

SHA512
e068db8e49a4585686510cb845d5a31ea50f38478bef81bf0c62818cbe17273ec7ec17fd7208a4ebe8687f50383d9323d5d00361483adbda7dd5393ba6680c25

Download Submit
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
Filesize
385KB

MD5
cd433e011e7459cfdd655a746091468d

SHA1
9ec239c9f172811477a912e2eabdd2e5595309fd

SHA256
9261feab91f00446a0442a4b995534c204dc90b2cdf7c59da6f6c15c229920f7

SHA512
e068db8e49a4585686510cb845d5a31ea50f38478bef81bf0c62818cbe17273ec7ec17fd7208a4ebe8687f50383d9323d5d00361483adbda7dd5393ba6680c25

Download Submit
memory/432-137-0x0000000000000000-mapping.dmp

Download
memory/500-136-0x0000000000000000-mapping.dmp

Download
memory/2220-133-0x0000000000000000-mapping.dmp

Download
memory/3500-134-0x0000000000000000-mapping.dmp

Download
memory/4032-132-0x0000000000000000-mapping.dmp

Download
memory/4244-138-0x0000000000000000-mapping.dmp

Download
memory/4244-141-0x0000000000400000-0x00000000004FA000-memory.dmp

Filesize
1000KB

Download
memory/4736-135-0x0000000000400000-0x00000000004FA000-memory.dmp

Filesize
1000KB

Download
memory/4940-142-0x0000000000000000-mapping.dmp

Download