darkcomet | c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae

Analysis

max time kernel
131s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
26-11-2022 23:03

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General

Target

c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe
Size

406KB
MD5

102efc2dd38871d71cd3930bacca6274
SHA1

b8163edb8f989d6eefaf3fc5a603f5251691f5f8
SHA256

c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae
SHA512

bbc3367a2aa06c529d5dbe2860b659606a6433554011abe0a4011543432cac5ad21a18a92377cc2609c7b0bbd4203620034f64d159ec924453f027d0469d88e3
SSDEEP

6144:mcNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37uwww0JwwmSnvYqm9nxLW0Bs/kw:mcW7KEZlPzCy37p2L

Score

10^/10

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

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

192.168.0.103:1604

Mutex

DC_MUTEX-KQHPF2S

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
lyoggkBoDnrh
install
true
offline_keylogger
true
persistence
false
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:

c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\system32\\MSDCSC\\msdcsc.exe"	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.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

Executes dropped EXE 5 IoCs

Processes:

c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eaeSrv.exeDesktopLayer.exemsdcsc.exemsdcscSrv.exeDesktopLayer.exe

pid	process
2548	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eaeSrv.exe
2436	DesktopLayer.exe
5100	msdcsc.exe
3216	msdcscSrv.exe
1668	DesktopLayer.exe

UPX packed file 17 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1780-132-0x0000000000400000-0x00000000004F7000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eaeSrv.exe	upx
C:\Users\Admin\AppData\Local\Temp\c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eaeSrv.exe	upx
behavioral2/memory/2548-139-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral2/memory/2436-140-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\Windows\SysWOW64\MSDCSC\msdcsc.exe	upx
C:\Windows\SysWOW64\MSDCSC\msdcscSrv.exe	upx
C:\Windows\SysWOW64\MSDCSC\msdcsc.exe	upx
behavioral2/memory/5100-147-0x0000000000400000-0x00000000004F7000-memory.dmp	upx
C:\Windows\SysWOW64\MSDCSC\msdcscSrv.exe	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral2/memory/3216-149-0x0000000000400000-0x000000000042E000-memory.dmp	upx
C:\Program Files (x86)\Microsoft\DesktopLayer.exe	upx
behavioral2/memory/1780-153-0x0000000000400000-0x00000000004F7000-memory.dmp	upx
behavioral2/memory/5100-154-0x0000000000400000-0x00000000004F7000-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:

c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.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 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\system32\\MSDCSC\\msdcsc.exe"	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe

Drops file in System32 directory 4 IoCs

Processes:

c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exemsdcsc.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\MSDCSC\msdcsc.exe	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe
File opened for modification	C:\Windows\SysWOW64\MSDCSC\	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe
File created	C:\Windows\SysWOW64\MSDCSC\msdcscSrv.exe	msdcsc.exe
File created	C:\Windows\SysWOW64\MSDCSC\msdcsc.exe	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe

Drops file in Program Files directory 5 IoCs

Processes:

c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eaeSrv.exemsdcscSrv.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eaeSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\pxCC8C.tmp	msdcscSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	msdcscSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\pxC587.tmp	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eaeSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eaeSrv.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 34 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXEIEXPLORE.EXEiexplore.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30999162"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4231622971"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30999162"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30999162"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376330466"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4238498375"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4250842472"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{278F84EA-6E6E-11ED-A0EE-E6C35CACCF0B} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "4231622971"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30999162"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe

Modifies registry class 1 IoCs

Processes:

c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

DesktopLayer.exeDesktopLayer.exe

pid	process
2436	DesktopLayer.exe
2436	DesktopLayer.exe
2436	DesktopLayer.exe
2436	DesktopLayer.exe
2436	DesktopLayer.exe
2436	DesktopLayer.exe
2436	DesktopLayer.exe
2436	DesktopLayer.exe
1668	DesktopLayer.exe
1668	DesktopLayer.exe
1668	DesktopLayer.exe
1668	DesktopLayer.exe
1668	DesktopLayer.exe
1668	DesktopLayer.exe
1668	DesktopLayer.exe
1668	DesktopLayer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

3032 iexplore.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1780	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe
Token: SeSecurityPrivilege	1780	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe
Token: SeTakeOwnershipPrivilege	1780	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe
Token: SeLoadDriverPrivilege	1780	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe
Token: SeSystemProfilePrivilege	1780	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe
Token: SeSystemtimePrivilege	1780	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe
Token: SeProfSingleProcessPrivilege	1780	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe
Token: SeIncBasePriorityPrivilege	1780	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe
Token: SeCreatePagefilePrivilege	1780	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe
Token: SeBackupPrivilege	1780	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe
Token: SeRestorePrivilege	1780	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe
Token: SeShutdownPrivilege	1780	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe
Token: SeDebugPrivilege	1780	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe
Token: SeSystemEnvironmentPrivilege	1780	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe
Token: SeChangeNotifyPrivilege	1780	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe
Token: SeRemoteShutdownPrivilege	1780	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe
Token: SeUndockPrivilege	1780	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe
Token: SeManageVolumePrivilege	1780	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe
Token: SeImpersonatePrivilege	1780	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe
Token: SeCreateGlobalPrivilege	1780	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe
Token: 33	1780	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe
Token: 34	1780	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe
Token: 35	1780	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe
Token: 36	1780	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe
Token: SeIncreaseQuotaPrivilege	5100	msdcsc.exe
Token: SeSecurityPrivilege	5100	msdcsc.exe
Token: SeTakeOwnershipPrivilege	5100	msdcsc.exe
Token: SeLoadDriverPrivilege	5100	msdcsc.exe
Token: SeSystemProfilePrivilege	5100	msdcsc.exe
Token: SeSystemtimePrivilege	5100	msdcsc.exe
Token: SeProfSingleProcessPrivilege	5100	msdcsc.exe
Token: SeIncBasePriorityPrivilege	5100	msdcsc.exe
Token: SeCreatePagefilePrivilege	5100	msdcsc.exe
Token: SeBackupPrivilege	5100	msdcsc.exe
Token: SeRestorePrivilege	5100	msdcsc.exe
Token: SeShutdownPrivilege	5100	msdcsc.exe
Token: SeDebugPrivilege	5100	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	5100	msdcsc.exe
Token: SeChangeNotifyPrivilege	5100	msdcsc.exe
Token: SeRemoteShutdownPrivilege	5100	msdcsc.exe
Token: SeUndockPrivilege	5100	msdcsc.exe
Token: SeManageVolumePrivilege	5100	msdcsc.exe
Token: SeImpersonatePrivilege	5100	msdcsc.exe
Token: SeCreateGlobalPrivilege	5100	msdcsc.exe
Token: 33	5100	msdcsc.exe
Token: 34	5100	msdcsc.exe
Token: 35	5100	msdcsc.exe
Token: 36	5100	msdcsc.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

iexplore.exe

pid process

3032 iexplore.exe
3032 iexplore.exe

Suspicious use of SetWindowsHookEx 11 IoCs

Processes:

iexplore.exeIEXPLORE.EXEmsdcsc.exeIEXPLORE.EXE

pid	process
3032	iexplore.exe
3032	iexplore.exe
2844	IEXPLORE.EXE
2844	IEXPLORE.EXE
5100	msdcsc.exe
3032	iexplore.exe
3032	iexplore.exe
3368	IEXPLORE.EXE
3368	IEXPLORE.EXE
3368	IEXPLORE.EXE
3368	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exec8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eaeSrv.exeDesktopLayer.exeiexplore.exemsdcsc.exemsdcscSrv.exeDesktopLayer.exe

description	pid	process	target process
PID 1780 wrote to memory of 2548	1780	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eaeSrv.exe
PID 1780 wrote to memory of 2548	1780	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eaeSrv.exe
PID 1780 wrote to memory of 2548	1780	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eaeSrv.exe
PID 2548 wrote to memory of 2436	2548	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eaeSrv.exe	DesktopLayer.exe
PID 2548 wrote to memory of 2436	2548	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eaeSrv.exe	DesktopLayer.exe
PID 2548 wrote to memory of 2436	2548	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eaeSrv.exe	DesktopLayer.exe
PID 2436 wrote to memory of 3032	2436	DesktopLayer.exe	iexplore.exe
PID 2436 wrote to memory of 3032	2436	DesktopLayer.exe	iexplore.exe
PID 3032 wrote to memory of 2844	3032	iexplore.exe	IEXPLORE.EXE
PID 3032 wrote to memory of 2844	3032	iexplore.exe	IEXPLORE.EXE
PID 3032 wrote to memory of 2844	3032	iexplore.exe	IEXPLORE.EXE
PID 1780 wrote to memory of 5100	1780	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe	msdcsc.exe
PID 1780 wrote to memory of 5100	1780	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe	msdcsc.exe
PID 1780 wrote to memory of 5100	1780	c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe	msdcsc.exe
PID 5100 wrote to memory of 3216	5100	msdcsc.exe	msdcscSrv.exe
PID 5100 wrote to memory of 3216	5100	msdcsc.exe	msdcscSrv.exe
PID 5100 wrote to memory of 3216	5100	msdcsc.exe	msdcscSrv.exe
PID 3216 wrote to memory of 1668	3216	msdcscSrv.exe	DesktopLayer.exe
PID 3216 wrote to memory of 1668	3216	msdcscSrv.exe	DesktopLayer.exe
PID 3216 wrote to memory of 1668	3216	msdcscSrv.exe	DesktopLayer.exe
PID 1668 wrote to memory of 3228	1668	DesktopLayer.exe	iexplore.exe
PID 1668 wrote to memory of 3228	1668	DesktopLayer.exe	iexplore.exe
PID 3032 wrote to memory of 3368	3032	iexplore.exe	IEXPLORE.EXE
PID 3032 wrote to memory of 3368	3032	iexplore.exe	IEXPLORE.EXE
PID 3032 wrote to memory of 3368	3032	iexplore.exe	IEXPLORE.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

C:\Users\Admin\AppData\Local\Temp\c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe
"C:\Users\Admin\AppData\Local\Temp\c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1780

C:\Users\Admin\AppData\Local\Temp\c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eaeSrv.exe
C:\Users\Admin\AppData\Local\Temp\c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eaeSrv.exe
2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2548

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:2436

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:3032

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3032 CREDAT:17410 /prefetch:2
5⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2844

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3032 CREDAT:82948 /prefetch:2
5⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3368

C:\Windows\SysWOW64\MSDCSC\msdcsc.exe
"C:\Windows\system32\MSDCSC\msdcsc.exe"
2⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:5100

C:\Windows\SysWOW64\MSDCSC\msdcscSrv.exe
C:\Windows\SysWOW64\MSDCSC\msdcscSrv.exe
3⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3216

C:\Program Files (x86)\Microsoft\DesktopLayer.exe
"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1668

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
5⤵
- Modifies Internet Explorer settings
PID:3228

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

T1004

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Disabling Security Tools

T1089

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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

MD5
3bc8595d0a469edc8b7a071a3befe724

SHA1
f7e4b53b01d31626ab7965b267fea4457d798a91

SHA256
33c4b30d18fa3eeeed676831973cf8dd8c9a9145e7edcb689efeec0647d685d4

SHA512
4969ab6d2239a94d1dfb6105d9a329588ad0e3366ab4af874e033b853adfcadf808eced3466823136221e110accd2bcd5b25b0474b11947aab510f0b92d397d8

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

MD5
a44edcc13bb1bb75da61c0e3b3b813a3

SHA1
b967dd0f6a3153b61ba1804e913c900e2c5f7407

SHA256
78895e245ca3b8e2aea434855295e3ab675443f0f027fa578a2220de6fd37447

SHA512
2e7c61271b6e0118b74f90d5b757ba369cd46fd772e8f486aa40b511a68069d74f6432a8639623a9898cd6e8ec6c242988e04b37b06644538965bb7ec680d3e7

Download Submit
C:\Users\Admin\AppData\Local\Temp\c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eaeSrv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eaeSrv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Windows\SysWOW64\MSDCSC\msdcsc.exe
Filesize
406KB

MD5
102efc2dd38871d71cd3930bacca6274

SHA1
b8163edb8f989d6eefaf3fc5a603f5251691f5f8

SHA256
c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae

SHA512
bbc3367a2aa06c529d5dbe2860b659606a6433554011abe0a4011543432cac5ad21a18a92377cc2609c7b0bbd4203620034f64d159ec924453f027d0469d88e3

Download Submit
C:\Windows\SysWOW64\MSDCSC\msdcsc.exe
Filesize
406KB

MD5
102efc2dd38871d71cd3930bacca6274

SHA1
b8163edb8f989d6eefaf3fc5a603f5251691f5f8

SHA256
c8b0cc09763b5168e41a187d1437c81934dbf8dfc08f57aff0d0516c93860eae

SHA512
bbc3367a2aa06c529d5dbe2860b659606a6433554011abe0a4011543432cac5ad21a18a92377cc2609c7b0bbd4203620034f64d159ec924453f027d0469d88e3

Download Submit
C:\Windows\SysWOW64\MSDCSC\msdcscSrv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Windows\SysWOW64\MSDCSC\msdcscSrv.exe
Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1668-152-0x0000000000470000-0x000000000047F000-memory.dmp

Filesize
60KB

Download
memory/1668-155-0x0000000000470000-0x000000000047F000-memory.dmp

Filesize
60KB

Download
memory/1668-148-0x0000000000000000-mapping.dmp

Download
memory/1780-132-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/1780-153-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/2436-140-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2436-136-0x0000000000000000-mapping.dmp

Download
memory/2548-133-0x0000000000000000-mapping.dmp

Download
memory/2548-139-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3216-144-0x0000000000000000-mapping.dmp

Download
memory/3216-149-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/5100-141-0x0000000000000000-mapping.dmp

Download
memory/5100-154-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download
memory/5100-147-0x0000000000400000-0x00000000004F7000-memory.dmp

Filesize
988KB

Download