darkcomet | 46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
07-07-2022 07:56

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General

Target

46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe
Size

308KB
MD5

a7495ebd5b117c20f373a1769534470a
SHA1

2fa33f0113d280d0aaa73e94e79a4c02fa78e788
SHA256

46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940
SHA512

363385c5726ad38918e5769c668feb4cf4e42f8a6dab847f25d452c56d92d1934f2573b3a1026098fd0c67c995be6967ef3e73ce2639ded00636e30ed1d546d9

Score

10^/10

darkcomet ramnit guest16 banker evasion persistence rat spyware stealer trojan upx worm

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

bibl12345.ddns.net:1604

Mutex

DC_MUTEX-AJ56C7W

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
Jy8jYvuQiUbf
install
true
offline_keylogger
true
persistence
true
reg_key
Windows

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:

46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\Programs\\MSDCSC\\msdcsc.exe"	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe

Modifies firewall policy service 2 TTPs 3 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

Processes:

msdcsc.exe

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

Modifies security service 2 TTPs 1 IoCs
evasion

Modify Registry
T1112

Modify Existing Service
T1031

Processes:

msdcsc.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" msdcsc.exe
Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
trojan spyware stealer worm banker ramnit

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

Windows security bypass 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\AntiVirusDisableNotify = "1"	msdcsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	msdcsc.exe

Disables RegEdit via registry modification 1 IoCs

evasion

Processes:

msdcsc.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	msdcsc.exe

Disables Task Manager via registry modification
evasion

Executes dropped EXE 5 IoCs

Processes:

46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940Srv.exeDesktopLayer.exemsdcsc.exemsdcscSrv.exeDesktopLayer.exe

pid	process
1844	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940Srv.exe
1000	DesktopLayer.exe
2228	msdcsc.exe
1896	msdcscSrv.exe
2284	DesktopLayer.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

3104 attrib.exe
3596 attrib.exe

pid	process
3104	attrib.exe
3596	attrib.exe

UPX packed file 17 IoCs

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

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940Srv.exe	upx
C:\Users\Admin\AppData\Local\Temp\46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940Srv.exe	upx
behavioral2/memory/2700-133-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral2/memory/1844-134-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral2/memory/1000-139-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\MSDCSC\msdcsc.exe	upx
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\MSDCSC\msdcsc.exe	upx
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\MSDCSC\msdcscSrv.exe	upx
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\MSDCSC\msdcscSrv.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral2/memory/1896-154-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/2228-156-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral2/memory/2700-157-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral2/memory/2228-158-0x0000000000400000-0x00000000004C6000-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:

46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.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\AntiVirusDisableNotify = "1"	msdcsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	msdcsc.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exemsdcsc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\Programs\\MSDCSC\\msdcsc.exe"	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\Programs\\MSDCSC\\msdcsc.exe"	msdcsc.exe

Drops file in Program Files directory 5 IoCs

Processes:

msdcscSrv.exe46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940Srv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	msdcscSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px719B.tmp	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px7FD3.tmp	msdcscSrv.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeiexplore.exeIEXPLORE.EXEIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30970344"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "633136845"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30970344"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30970344"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "363952869"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "633136845"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{512AD5B1-FDDB-11EC-B274-76C19ED5575B} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "641262352"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe

Modifies registry class 1 IoCs

Processes:

46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

DesktopLayer.exeDesktopLayer.exe

pid	process
1000	DesktopLayer.exe
1000	DesktopLayer.exe
1000	DesktopLayer.exe
1000	DesktopLayer.exe
1000	DesktopLayer.exe
1000	DesktopLayer.exe
1000	DesktopLayer.exe
1000	DesktopLayer.exe
2284	DesktopLayer.exe
2284	DesktopLayer.exe
2284	DesktopLayer.exe
2284	DesktopLayer.exe
2284	DesktopLayer.exe
2284	DesktopLayer.exe
2284	DesktopLayer.exe
2284	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

msdcsc.exeiexplore.exe

pid process

2228 msdcsc.exe
636 iexplore.exe

pid	process
2228	msdcsc.exe
636	iexplore.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe
Token: SeSecurityPrivilege	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe
Token: SeTakeOwnershipPrivilege	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe
Token: SeLoadDriverPrivilege	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe
Token: SeSystemProfilePrivilege	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe
Token: SeSystemtimePrivilege	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe
Token: SeProfSingleProcessPrivilege	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe
Token: SeIncBasePriorityPrivilege	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe
Token: SeCreatePagefilePrivilege	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe
Token: SeBackupPrivilege	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe
Token: SeRestorePrivilege	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe
Token: SeShutdownPrivilege	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe
Token: SeDebugPrivilege	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe
Token: SeSystemEnvironmentPrivilege	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe
Token: SeChangeNotifyPrivilege	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe
Token: SeRemoteShutdownPrivilege	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe
Token: SeUndockPrivilege	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe
Token: SeManageVolumePrivilege	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe
Token: SeImpersonatePrivilege	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe
Token: SeCreateGlobalPrivilege	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe
Token: 33	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe
Token: 34	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe
Token: 35	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe
Token: 36	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe
Token: SeIncreaseQuotaPrivilege	2228	msdcsc.exe
Token: SeSecurityPrivilege	2228	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2228	msdcsc.exe
Token: SeLoadDriverPrivilege	2228	msdcsc.exe
Token: SeSystemProfilePrivilege	2228	msdcsc.exe
Token: SeSystemtimePrivilege	2228	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2228	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2228	msdcsc.exe
Token: SeCreatePagefilePrivilege	2228	msdcsc.exe
Token: SeBackupPrivilege	2228	msdcsc.exe
Token: SeRestorePrivilege	2228	msdcsc.exe
Token: SeShutdownPrivilege	2228	msdcsc.exe
Token: SeDebugPrivilege	2228	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2228	msdcsc.exe
Token: SeChangeNotifyPrivilege	2228	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2228	msdcsc.exe
Token: SeUndockPrivilege	2228	msdcsc.exe
Token: SeManageVolumePrivilege	2228	msdcsc.exe
Token: SeImpersonatePrivilege	2228	msdcsc.exe
Token: SeCreateGlobalPrivilege	2228	msdcsc.exe
Token: 33	2228	msdcsc.exe
Token: 34	2228	msdcsc.exe
Token: 35	2228	msdcsc.exe
Token: 36	2228	msdcsc.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

iexplore.exe

pid process

636 iexplore.exe
636 iexplore.exe

Suspicious use of SetWindowsHookEx 11 IoCs

Processes:

iexplore.exeIEXPLORE.EXEmsdcsc.exeIEXPLORE.EXE

pid	process
636	iexplore.exe
636	iexplore.exe
1960	IEXPLORE.EXE
1960	IEXPLORE.EXE
2228	msdcsc.exe
636	iexplore.exe
636	iexplore.exe
1572	IEXPLORE.EXE
1572	IEXPLORE.EXE
1572	IEXPLORE.EXE
1572	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940Srv.exeDesktopLayer.exeiexplore.execmd.execmd.exemsdcsc.exe

description	pid	process	target process
PID 2700 wrote to memory of 1844	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940Srv.exe
PID 2700 wrote to memory of 1844	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940Srv.exe
PID 2700 wrote to memory of 1844	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940Srv.exe
PID 1844 wrote to memory of 1000	1844	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940Srv.exe	DesktopLayer.exe
PID 1844 wrote to memory of 1000	1844	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940Srv.exe	DesktopLayer.exe
PID 1844 wrote to memory of 1000	1844	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940Srv.exe	DesktopLayer.exe
PID 1000 wrote to memory of 636	1000	DesktopLayer.exe	iexplore.exe
PID 1000 wrote to memory of 636	1000	DesktopLayer.exe	iexplore.exe
PID 636 wrote to memory of 1960	636	iexplore.exe	IEXPLORE.EXE
PID 636 wrote to memory of 1960	636	iexplore.exe	IEXPLORE.EXE
PID 636 wrote to memory of 1960	636	iexplore.exe	IEXPLORE.EXE
PID 2700 wrote to memory of 2388	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe	cmd.exe
PID 2700 wrote to memory of 2388	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe	cmd.exe
PID 2700 wrote to memory of 2388	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe	cmd.exe
PID 2700 wrote to memory of 1828	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe	cmd.exe
PID 2700 wrote to memory of 1828	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe	cmd.exe
PID 2700 wrote to memory of 1828	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe	cmd.exe
PID 2700 wrote to memory of 2936	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe	notepad.exe
PID 2700 wrote to memory of 2936	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe	notepad.exe
PID 2700 wrote to memory of 2936	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe	notepad.exe
PID 2700 wrote to memory of 2936	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe	notepad.exe
PID 2700 wrote to memory of 2936	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe	notepad.exe
PID 2700 wrote to memory of 2936	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe	notepad.exe
PID 2700 wrote to memory of 2936	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe	notepad.exe
PID 2700 wrote to memory of 2936	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe	notepad.exe
PID 2700 wrote to memory of 2936	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe	notepad.exe
PID 2700 wrote to memory of 2936	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe	notepad.exe
PID 2700 wrote to memory of 2936	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe	notepad.exe
PID 2700 wrote to memory of 2936	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe	notepad.exe
PID 2700 wrote to memory of 2936	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe	notepad.exe
PID 2700 wrote to memory of 2936	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe	notepad.exe
PID 2700 wrote to memory of 2936	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe	notepad.exe
PID 2700 wrote to memory of 2936	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe	notepad.exe
PID 2700 wrote to memory of 2936	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe	notepad.exe
PID 2388 wrote to memory of 3104	2388	cmd.exe	attrib.exe
PID 2388 wrote to memory of 3104	2388	cmd.exe	attrib.exe
PID 2388 wrote to memory of 3104	2388	cmd.exe	attrib.exe
PID 1828 wrote to memory of 3596	1828	cmd.exe	attrib.exe
PID 1828 wrote to memory of 3596	1828	cmd.exe	attrib.exe
PID 1828 wrote to memory of 3596	1828	cmd.exe	attrib.exe
PID 2700 wrote to memory of 2228	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe	msdcsc.exe
PID 2700 wrote to memory of 2228	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe	msdcsc.exe
PID 2700 wrote to memory of 2228	2700	46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe	msdcsc.exe
PID 2228 wrote to memory of 1896	2228	msdcsc.exe	msdcscSrv.exe
PID 2228 wrote to memory of 1896	2228	msdcsc.exe	msdcscSrv.exe
PID 2228 wrote to memory of 1896	2228	msdcsc.exe	msdcscSrv.exe
PID 2228 wrote to memory of 2040	2228	msdcsc.exe	notepad.exe
PID 2228 wrote to memory of 2040	2228	msdcsc.exe	notepad.exe
PID 2228 wrote to memory of 2040	2228	msdcsc.exe	notepad.exe
PID 2228 wrote to memory of 2040	2228	msdcsc.exe	notepad.exe
PID 2228 wrote to memory of 2040	2228	msdcsc.exe	notepad.exe
PID 2228 wrote to memory of 2040	2228	msdcsc.exe	notepad.exe
PID 2228 wrote to memory of 2040	2228	msdcsc.exe	notepad.exe
PID 2228 wrote to memory of 2040	2228	msdcsc.exe	notepad.exe
PID 2228 wrote to memory of 2040	2228	msdcsc.exe	notepad.exe
PID 2228 wrote to memory of 2040	2228	msdcsc.exe	notepad.exe
PID 2228 wrote to memory of 2040	2228	msdcsc.exe	notepad.exe
PID 2228 wrote to memory of 2040	2228	msdcsc.exe	notepad.exe
PID 2228 wrote to memory of 2040	2228	msdcsc.exe	notepad.exe
PID 2228 wrote to memory of 2040	2228	msdcsc.exe	notepad.exe
PID 2228 wrote to memory of 2040	2228	msdcsc.exe	notepad.exe
PID 2228 wrote to memory of 2040	2228	msdcsc.exe	notepad.exe
PID 2228 wrote to memory of 2040	2228	msdcsc.exe	notepad.exe
PID 2228 wrote to memory of 2040	2228	msdcsc.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

3596 attrib.exe
3104 attrib.exe

pid	process
3596	attrib.exe
3104	attrib.exe

C:\Users\Admin\AppData\Local\Temp\46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe
"C:\Users\Admin\AppData\Local\Temp\46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.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:2700

C:\Users\Admin\AppData\Local\Temp\46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940Srv.exe
C:\Users\Admin\AppData\Local\Temp\46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940Srv.exe
2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1844

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1000

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
4⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:636

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:636 CREDAT:17410 /prefetch:2
5⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1960

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:636 CREDAT:82948 /prefetch:2
5⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1572

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe" +s +h
2⤵
- Suspicious use of WriteProcessMemory
PID:2388

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940.exe" +s +h
3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:3104

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:1828

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:3596

C:\Windows\SysWOW64\notepad.exe
notepad
2⤵
PID:2936

C:\ProgramData\Microsoft\Windows\Start Menu\Programs\MSDCSC\msdcsc.exe
"C:\ProgramData\Microsoft\Windows\Start Menu\Programs\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 behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2228

C:\ProgramData\Microsoft\Windows\Start Menu\Programs\MSDCSC\msdcscSrv.exe
"C:\ProgramData\Microsoft\Windows\Start Menu\Programs\MSDCSC\msdcscSrv.exe"
3⤵
- Executes dropped EXE
- Drops file in Program Files directory
PID:1896

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2284

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
5⤵
- Modifies Internet Explorer settings
PID:228

C:\Windows\SysWOW64\notepad.exe
notepad
3⤵
PID:2040

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:\Program Files (x86)\Microsoft\DesktopLayer.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Program Files (x86)\Microsoft\DesktopLayer.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Program Files (x86)\Microsoft\DesktopLayer.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Program Files (x86)\Microsoft\DesktopLayer.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\MSDCSC\msdcsc.exe
Filesize
308KB

MD5
a7495ebd5b117c20f373a1769534470a

SHA1
2fa33f0113d280d0aaa73e94e79a4c02fa78e788

SHA256
46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940

SHA512
363385c5726ad38918e5769c668feb4cf4e42f8a6dab847f25d452c56d92d1934f2573b3a1026098fd0c67c995be6967ef3e73ce2639ded00636e30ed1d546d9

Download Submit
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\MSDCSC\msdcsc.exe
Filesize
308KB

MD5
a7495ebd5b117c20f373a1769534470a

SHA1
2fa33f0113d280d0aaa73e94e79a4c02fa78e788

SHA256
46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940

SHA512
363385c5726ad38918e5769c668feb4cf4e42f8a6dab847f25d452c56d92d1934f2573b3a1026098fd0c67c995be6967ef3e73ce2639ded00636e30ed1d546d9

Download Submit
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\MSDCSC\msdcscSrv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\MSDCSC\msdcscSrv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize
471B

MD5
f46df6d8b4b4db4e1dc315559df90120

SHA1
6e276344ce29422caf44382d1976bca7bf06c6ed

SHA256
202f370ff58874e4e5e56ff634031c48ef1ee599db976ebd25790c65f8780ac2

SHA512
b32a203bfaabef4763f1c0de9398d52da1465c234b82da541e9987d5114efae93e391d8437018f0c34d70464d5c9b1fb3c084b3adb5ad430f7cb3459aed42706

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize
434B

MD5
1f4a47943c3347de236ec97dd38a9279

SHA1
9d5a20700d812a945670ee91d571ff76d4e8e048

SHA256
e02c1d4c321853ed7f1a4a86152f7bac260fdcd5e1c3fe7016103bbaec3079c0

SHA512
0e540ad9e106cae9e500c3c369ffce752a78d38042976b46ea339a2110b6b1962e589cb3815be357d230bec3bc123df200372bad21bb6982662e6ba343874955

Download Submit
C:\Users\Admin\AppData\Local\Temp\46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940Srv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\46b620f55c618725f4bbf2889e0427d819804ec89263efb836e800118160d940Srv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1000-139-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1000-135-0x0000000000000000-mapping.dmp

Download
memory/1828-141-0x0000000000000000-mapping.dmp

Download
memory/1844-136-0x0000000002030000-0x000000000203F000-memory.dmp

Filesize
60KB

Download
memory/1844-134-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1844-130-0x0000000000000000-mapping.dmp

Download
memory/1896-154-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1896-148-0x0000000000000000-mapping.dmp

Download
memory/2040-151-0x0000000000000000-mapping.dmp

Download
memory/2228-145-0x0000000000000000-mapping.dmp

Download
memory/2228-156-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2228-158-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2284-152-0x0000000000000000-mapping.dmp

Download
memory/2388-140-0x0000000000000000-mapping.dmp

Download
memory/2700-157-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2700-133-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2936-142-0x0000000000000000-mapping.dmp

Download
memory/3104-143-0x0000000000000000-mapping.dmp

Download
memory/3596-144-0x0000000000000000-mapping.dmp

Download