darkcomet | c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1

Analysis

max time kernel
151s
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
25-11-2022 19:50

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General

Target

c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe
Size

329KB
MD5

077feedaf2385940d6cb6c485254592f
SHA1

105d08d7b083f2204df82ab591c69ebeeddb4299
SHA256

c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1
SHA512

bb78dac12ccc5e84feed1849eb4433ae0850ac71b3df175613dc4bd0fcd520664cdf052345653bc8d48645179d269c3e55adb057f884947abb2e69252221562f
SSDEEP

6144:4Qg2zQOG2voQTgbCHEE/fNBLdT9/zxW4q1w12R8OUkYO/WJB:4QdG2wQTgblE3NldT9MZy12RsOk

Score

10^/10

darkcomet hacker evasion persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Hacker

cpuexplorerwindows.no-ip.org:1000

Mutex

DC_MUTEX-25175UU

Attributes

InstallPath
explorer\msdcsc.exe
gencode
J2mfaePjL8uT
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:

c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Desktop\\explorer\\msdcsc.exe"	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.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

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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	msdcsc.exe

Disables Task Manager via registry modification
evasion
Executes dropped EXE 2 IoCs

Processes:

msdcsc.exemsdcsc.exe

pid process

2384 msdcsc.exe
5108 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

3536 attrib.exe
456 attrib.exe

pid	process
2384	msdcsc.exe
5108	msdcsc.exe

pid	process
3536	attrib.exe
456	attrib.exe

UPX packed file 12 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4660-143-0x0000000000400000-0x00000000004CB000-memory.dmp	upx
behavioral2/memory/4660-144-0x0000000000400000-0x00000000004CB000-memory.dmp	upx
behavioral2/memory/4660-146-0x0000000000400000-0x00000000004CB000-memory.dmp	upx
behavioral2/memory/4660-147-0x0000000000400000-0x00000000004CB000-memory.dmp	upx
behavioral2/memory/4660-150-0x0000000000400000-0x00000000004CB000-memory.dmp	upx
behavioral2/memory/4660-148-0x0000000000400000-0x00000000004CB000-memory.dmp	upx
behavioral2/memory/4660-168-0x0000000000400000-0x00000000004CB000-memory.dmp	upx
behavioral2/memory/5108-173-0x0000000000400000-0x00000000004CB000-memory.dmp	upx
behavioral2/memory/5108-175-0x0000000000400000-0x00000000004CB000-memory.dmp	upx
behavioral2/memory/5108-177-0x0000000000400000-0x00000000004CB000-memory.dmp	upx
behavioral2/memory/5108-178-0x0000000000400000-0x00000000004CB000-memory.dmp	upx
behavioral2/memory/5108-179-0x0000000000400000-0x00000000004CB000-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:

c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.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:

c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exemsdcsc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Desktop\\explorer\\msdcsc.exe"	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Desktop\\explorer\\msdcsc.exe"	msdcsc.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exemsdcsc.exe

description	pid	process	target process
PID 4316 set thread context of 4660	4316	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe
PID 2384 set thread context of 5108	2384	msdcsc.exe	msdcsc.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

Processes:

c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

msdcsc.exe

pid process

5108 msdcsc.exe

pid	process
5108	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe
Token: SeSecurityPrivilege	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe
Token: SeTakeOwnershipPrivilege	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe
Token: SeLoadDriverPrivilege	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe
Token: SeSystemProfilePrivilege	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe
Token: SeSystemtimePrivilege	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe
Token: SeProfSingleProcessPrivilege	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe
Token: SeIncBasePriorityPrivilege	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe
Token: SeCreatePagefilePrivilege	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe
Token: SeBackupPrivilege	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe
Token: SeRestorePrivilege	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe
Token: SeShutdownPrivilege	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe
Token: SeDebugPrivilege	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe
Token: SeSystemEnvironmentPrivilege	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe
Token: SeChangeNotifyPrivilege	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe
Token: SeRemoteShutdownPrivilege	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe
Token: SeUndockPrivilege	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe
Token: SeManageVolumePrivilege	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe
Token: SeImpersonatePrivilege	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe
Token: SeCreateGlobalPrivilege	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe
Token: 33	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe
Token: 34	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe
Token: 35	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe
Token: 36	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe
Token: SeIncreaseQuotaPrivilege	5108	msdcsc.exe
Token: SeSecurityPrivilege	5108	msdcsc.exe
Token: SeTakeOwnershipPrivilege	5108	msdcsc.exe
Token: SeLoadDriverPrivilege	5108	msdcsc.exe
Token: SeSystemProfilePrivilege	5108	msdcsc.exe
Token: SeSystemtimePrivilege	5108	msdcsc.exe
Token: SeProfSingleProcessPrivilege	5108	msdcsc.exe
Token: SeIncBasePriorityPrivilege	5108	msdcsc.exe
Token: SeCreatePagefilePrivilege	5108	msdcsc.exe
Token: SeBackupPrivilege	5108	msdcsc.exe
Token: SeRestorePrivilege	5108	msdcsc.exe
Token: SeShutdownPrivilege	5108	msdcsc.exe
Token: SeDebugPrivilege	5108	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	5108	msdcsc.exe
Token: SeChangeNotifyPrivilege	5108	msdcsc.exe
Token: SeRemoteShutdownPrivilege	5108	msdcsc.exe
Token: SeUndockPrivilege	5108	msdcsc.exe
Token: SeManageVolumePrivilege	5108	msdcsc.exe
Token: SeImpersonatePrivilege	5108	msdcsc.exe
Token: SeCreateGlobalPrivilege	5108	msdcsc.exe
Token: 33	5108	msdcsc.exe
Token: 34	5108	msdcsc.exe
Token: 35	5108	msdcsc.exe
Token: 36	5108	msdcsc.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exemsdcsc.exemsdcsc.exe

pid process

4316 c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe
2384 msdcsc.exe
5108 msdcsc.exe

pid	process
4316	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe
2384	msdcsc.exe
5108	msdcsc.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exec704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.execmd.execmd.exemsdcsc.exemsdcsc.exe

description	pid	process	target process
PID 4316 wrote to memory of 4660	4316	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe
PID 4316 wrote to memory of 4660	4316	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe
PID 4316 wrote to memory of 4660	4316	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe
PID 4316 wrote to memory of 4660	4316	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe
PID 4316 wrote to memory of 4660	4316	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe
PID 4316 wrote to memory of 4660	4316	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe
PID 4316 wrote to memory of 4660	4316	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe
PID 4316 wrote to memory of 4660	4316	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe
PID 4660 wrote to memory of 3908	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe	cmd.exe
PID 4660 wrote to memory of 3908	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe	cmd.exe
PID 4660 wrote to memory of 3908	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe	cmd.exe
PID 4660 wrote to memory of 32	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe	cmd.exe
PID 4660 wrote to memory of 32	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe	cmd.exe
PID 4660 wrote to memory of 32	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe	cmd.exe
PID 4660 wrote to memory of 320	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe	notepad.exe
PID 4660 wrote to memory of 320	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe	notepad.exe
PID 4660 wrote to memory of 320	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe	notepad.exe
PID 4660 wrote to memory of 320	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe	notepad.exe
PID 4660 wrote to memory of 320	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe	notepad.exe
PID 4660 wrote to memory of 320	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe	notepad.exe
PID 4660 wrote to memory of 320	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe	notepad.exe
PID 4660 wrote to memory of 320	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe	notepad.exe
PID 4660 wrote to memory of 320	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe	notepad.exe
PID 4660 wrote to memory of 320	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe	notepad.exe
PID 4660 wrote to memory of 320	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe	notepad.exe
PID 4660 wrote to memory of 320	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe	notepad.exe
PID 4660 wrote to memory of 320	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe	notepad.exe
PID 4660 wrote to memory of 320	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe	notepad.exe
PID 4660 wrote to memory of 320	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe	notepad.exe
PID 4660 wrote to memory of 320	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe	notepad.exe
PID 4660 wrote to memory of 320	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe	notepad.exe
PID 3908 wrote to memory of 3536	3908	cmd.exe	attrib.exe
PID 3908 wrote to memory of 3536	3908	cmd.exe	attrib.exe
PID 3908 wrote to memory of 3536	3908	cmd.exe	attrib.exe
PID 32 wrote to memory of 456	32	cmd.exe	attrib.exe
PID 32 wrote to memory of 456	32	cmd.exe	attrib.exe
PID 32 wrote to memory of 456	32	cmd.exe	attrib.exe
PID 4660 wrote to memory of 2384	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe	msdcsc.exe
PID 4660 wrote to memory of 2384	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe	msdcsc.exe
PID 4660 wrote to memory of 2384	4660	c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe	msdcsc.exe
PID 2384 wrote to memory of 5108	2384	msdcsc.exe	msdcsc.exe
PID 2384 wrote to memory of 5108	2384	msdcsc.exe	msdcsc.exe
PID 2384 wrote to memory of 5108	2384	msdcsc.exe	msdcsc.exe
PID 2384 wrote to memory of 5108	2384	msdcsc.exe	msdcsc.exe
PID 2384 wrote to memory of 5108	2384	msdcsc.exe	msdcsc.exe
PID 2384 wrote to memory of 5108	2384	msdcsc.exe	msdcsc.exe
PID 2384 wrote to memory of 5108	2384	msdcsc.exe	msdcsc.exe
PID 2384 wrote to memory of 5108	2384	msdcsc.exe	msdcsc.exe
PID 5108 wrote to memory of 4944	5108	msdcsc.exe	notepad.exe
PID 5108 wrote to memory of 4944	5108	msdcsc.exe	notepad.exe
PID 5108 wrote to memory of 4944	5108	msdcsc.exe	notepad.exe
PID 5108 wrote to memory of 4944	5108	msdcsc.exe	notepad.exe
PID 5108 wrote to memory of 4944	5108	msdcsc.exe	notepad.exe
PID 5108 wrote to memory of 4944	5108	msdcsc.exe	notepad.exe
PID 5108 wrote to memory of 4944	5108	msdcsc.exe	notepad.exe
PID 5108 wrote to memory of 4944	5108	msdcsc.exe	notepad.exe
PID 5108 wrote to memory of 4944	5108	msdcsc.exe	notepad.exe
PID 5108 wrote to memory of 4944	5108	msdcsc.exe	notepad.exe
PID 5108 wrote to memory of 4944	5108	msdcsc.exe	notepad.exe
PID 5108 wrote to memory of 4944	5108	msdcsc.exe	notepad.exe
PID 5108 wrote to memory of 4944	5108	msdcsc.exe	notepad.exe
PID 5108 wrote to memory of 4944	5108	msdcsc.exe	notepad.exe
PID 5108 wrote to memory of 4944	5108	msdcsc.exe	notepad.exe
PID 5108 wrote to memory of 4944	5108	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

456 attrib.exe
3536 attrib.exe

pid	process
456	attrib.exe
3536	attrib.exe

C:\Users\Admin\AppData\Local\Temp\c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe
"C:\Users\Admin\AppData\Local\Temp\c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4316

C:\Users\Admin\AppData\Local\Temp\c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe
2⤵
- 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:4660

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe" +s +h
3⤵
- Suspicious use of WriteProcessMemory
PID:3908

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1.exe" +s +h
4⤵
- Sets file to hidden
- Views/modifies file attributes
PID:3536

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
3⤵
- Suspicious use of WriteProcessMemory
PID:32

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
4⤵
- Sets file to hidden
- Views/modifies file attributes
PID:456

C:\Windows\SysWOW64\notepad.exe
notepad
3⤵
PID:320

C:\Users\Admin\Desktop\explorer\msdcsc.exe
"C:\Users\Admin\Desktop\explorer\msdcsc.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2384

C:\Users\Admin\Desktop\explorer\msdcsc.exe
4⤵
- 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:5108

C:\Windows\SysWOW64\notepad.exe
notepad
5⤵
PID:4944

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\Desktop\explorer\msdcsc.exe
Filesize
329KB

MD5
077feedaf2385940d6cb6c485254592f

SHA1
105d08d7b083f2204df82ab591c69ebeeddb4299

SHA256
c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1

SHA512
bb78dac12ccc5e84feed1849eb4433ae0850ac71b3df175613dc4bd0fcd520664cdf052345653bc8d48645179d269c3e55adb057f884947abb2e69252221562f

Download Submit
C:\Users\Admin\Desktop\explorer\msdcsc.exe
Filesize
329KB

MD5
077feedaf2385940d6cb6c485254592f

SHA1
105d08d7b083f2204df82ab591c69ebeeddb4299

SHA256
c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1

SHA512
bb78dac12ccc5e84feed1849eb4433ae0850ac71b3df175613dc4bd0fcd520664cdf052345653bc8d48645179d269c3e55adb057f884947abb2e69252221562f

Download Submit
C:\Users\Admin\Desktop\explorer\msdcsc.exe
Filesize
329KB

MD5
077feedaf2385940d6cb6c485254592f

SHA1
105d08d7b083f2204df82ab591c69ebeeddb4299

SHA256
c704c4d969efd8e763ca9652d892da7c920001486bdf25c86a890166a0990ce1

SHA512
bb78dac12ccc5e84feed1849eb4433ae0850ac71b3df175613dc4bd0fcd520664cdf052345653bc8d48645179d269c3e55adb057f884947abb2e69252221562f

Download Submit
memory/32-151-0x0000000000000000-mapping.dmp

Download
memory/320-152-0x0000000000000000-mapping.dmp

Download
memory/456-154-0x0000000000000000-mapping.dmp

Download
memory/2384-165-0x00000000020A0000-0x00000000020B0000-memory.dmp

Filesize
64KB

Download
memory/2384-174-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2384-167-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2384-166-0x00000000020B0000-0x00000000020C0000-memory.dmp

Filesize
64KB

Download
memory/2384-164-0x0000000002090000-0x00000000020A0000-memory.dmp

Filesize
64KB

Download
memory/2384-163-0x0000000002070000-0x0000000002080000-memory.dmp

Filesize
64KB

Download
memory/2384-162-0x0000000002060000-0x0000000002070000-memory.dmp

Filesize
64KB

Download
memory/2384-161-0x0000000002050000-0x0000000002060000-memory.dmp

Filesize
64KB

Download
memory/2384-160-0x0000000002040000-0x0000000002050000-memory.dmp

Filesize
64KB

Download
memory/2384-159-0x0000000002030000-0x0000000002040000-memory.dmp

Filesize
64KB

Download
memory/2384-158-0x0000000000580000-0x0000000000590000-memory.dmp

Filesize
64KB

Download
memory/2384-155-0x0000000000000000-mapping.dmp

Download
memory/3536-153-0x0000000000000000-mapping.dmp

Download
memory/3908-149-0x0000000000000000-mapping.dmp

Download
memory/4316-132-0x00000000004B0000-0x00000000004C0000-memory.dmp

Filesize
64KB

Download
memory/4316-138-0x0000000002080000-0x0000000002090000-memory.dmp

Filesize
64KB

Download
memory/4316-136-0x0000000002060000-0x0000000002070000-memory.dmp

Filesize
64KB

Download
memory/4316-140-0x00000000020A0000-0x00000000020B0000-memory.dmp

Filesize
64KB

Download
memory/4316-135-0x0000000002050000-0x0000000002060000-memory.dmp

Filesize
64KB

Download
memory/4316-134-0x0000000002040000-0x0000000002050000-memory.dmp

Filesize
64KB

Download
memory/4316-137-0x0000000002070000-0x0000000002080000-memory.dmp

Filesize
64KB

Download
memory/4316-139-0x0000000002090000-0x00000000020A0000-memory.dmp

Filesize
64KB

Download
memory/4316-133-0x00000000004C0000-0x00000000004D0000-memory.dmp

Filesize
64KB

Download
memory/4316-141-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4316-145-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4660-150-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/4660-147-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/4660-144-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/4660-142-0x0000000000000000-mapping.dmp

Download
memory/4660-146-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/4660-168-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/4660-148-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/4660-143-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/4944-176-0x0000000000000000-mapping.dmp

Download
memory/5108-173-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/5108-175-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/5108-169-0x0000000000000000-mapping.dmp

Download
memory/5108-177-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/5108-178-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/5108-179-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download