darkcomet | 2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111

General

Target

2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Size

658KB
MD5

95f8e456ac2d3c5a86b002596fb9015c
SHA1

902684ac2da80970b8d37a683485a8645d10468f
SHA256

2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111
SHA512

5820bb9fb23e009770f3aa5003b347a7d5730a24eb66eb7380c7b10e4adc679e0491de1bd47002a32985f3bb999e1f340de47905f5a32e9592f1f89934f32b6d
SSDEEP

12288:e9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hE:qZ1xuVVjfFoynPaVBUR8f+kN10EB2

Score

10^/10

darkcomet all evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

All

C2

deeside.ddns.net:1604

Mutex

DC_MUTEX-Q7AJXN5

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
Xdh5jBJVLZA4
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:

2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe

Modifies firewall policy service 2 TTPs 3 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

Processes:

msdcsc.exe

description	ioc	process
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
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	msdcsc.exe

Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

888 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

4336 attrib.exe
4388 attrib.exe

pid	process
888	msdcsc.exe

pid	process
4336	attrib.exe
4388	attrib.exe

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:

2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.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:

2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exemsdcsc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\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:

2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

msdcsc.exe

pid process

888 msdcsc.exe

pid	process
888	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	432	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeSecurityPrivilege	432	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeTakeOwnershipPrivilege	432	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeLoadDriverPrivilege	432	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeSystemProfilePrivilege	432	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeSystemtimePrivilege	432	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeProfSingleProcessPrivilege	432	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeIncBasePriorityPrivilege	432	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeCreatePagefilePrivilege	432	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeBackupPrivilege	432	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeRestorePrivilege	432	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeShutdownPrivilege	432	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeDebugPrivilege	432	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeSystemEnvironmentPrivilege	432	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeChangeNotifyPrivilege	432	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeRemoteShutdownPrivilege	432	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeUndockPrivilege	432	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeManageVolumePrivilege	432	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeImpersonatePrivilege	432	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeCreateGlobalPrivilege	432	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: 33	432	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: 34	432	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: 35	432	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: 36	432	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeIncreaseQuotaPrivilege	888	msdcsc.exe
Token: SeSecurityPrivilege	888	msdcsc.exe
Token: SeTakeOwnershipPrivilege	888	msdcsc.exe
Token: SeLoadDriverPrivilege	888	msdcsc.exe
Token: SeSystemProfilePrivilege	888	msdcsc.exe
Token: SeSystemtimePrivilege	888	msdcsc.exe
Token: SeProfSingleProcessPrivilege	888	msdcsc.exe
Token: SeIncBasePriorityPrivilege	888	msdcsc.exe
Token: SeCreatePagefilePrivilege	888	msdcsc.exe
Token: SeBackupPrivilege	888	msdcsc.exe
Token: SeRestorePrivilege	888	msdcsc.exe
Token: SeShutdownPrivilege	888	msdcsc.exe
Token: SeDebugPrivilege	888	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	888	msdcsc.exe
Token: SeChangeNotifyPrivilege	888	msdcsc.exe
Token: SeRemoteShutdownPrivilege	888	msdcsc.exe
Token: SeUndockPrivilege	888	msdcsc.exe
Token: SeManageVolumePrivilege	888	msdcsc.exe
Token: SeImpersonatePrivilege	888	msdcsc.exe
Token: SeCreateGlobalPrivilege	888	msdcsc.exe
Token: 33	888	msdcsc.exe
Token: 34	888	msdcsc.exe
Token: 35	888	msdcsc.exe
Token: 36	888	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid process

888 msdcsc.exe

pid	process
888	msdcsc.exe

Suspicious use of WriteProcessMemory 37 IoCs

Processes:

2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.execmd.execmd.exemsdcsc.exe

description	pid	process	target process
PID 432 wrote to memory of 4956	432	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe	cmd.exe
PID 432 wrote to memory of 4956	432	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe	cmd.exe
PID 432 wrote to memory of 4956	432	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe	cmd.exe
PID 432 wrote to memory of 2220	432	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe	cmd.exe
PID 432 wrote to memory of 2220	432	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe	cmd.exe
PID 432 wrote to memory of 2220	432	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe	cmd.exe
PID 4956 wrote to memory of 4336	4956	cmd.exe	attrib.exe
PID 4956 wrote to memory of 4336	4956	cmd.exe	attrib.exe
PID 4956 wrote to memory of 4336	4956	cmd.exe	attrib.exe
PID 2220 wrote to memory of 4388	2220	cmd.exe	attrib.exe
PID 2220 wrote to memory of 4388	2220	cmd.exe	attrib.exe
PID 2220 wrote to memory of 4388	2220	cmd.exe	attrib.exe
PID 432 wrote to memory of 888	432	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe	msdcsc.exe
PID 432 wrote to memory of 888	432	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe	msdcsc.exe
PID 432 wrote to memory of 888	432	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe	msdcsc.exe
PID 888 wrote to memory of 1452	888	msdcsc.exe	notepad.exe
PID 888 wrote to memory of 1452	888	msdcsc.exe	notepad.exe
PID 888 wrote to memory of 1452	888	msdcsc.exe	notepad.exe
PID 888 wrote to memory of 1452	888	msdcsc.exe	notepad.exe
PID 888 wrote to memory of 1452	888	msdcsc.exe	notepad.exe
PID 888 wrote to memory of 1452	888	msdcsc.exe	notepad.exe
PID 888 wrote to memory of 1452	888	msdcsc.exe	notepad.exe
PID 888 wrote to memory of 1452	888	msdcsc.exe	notepad.exe
PID 888 wrote to memory of 1452	888	msdcsc.exe	notepad.exe
PID 888 wrote to memory of 1452	888	msdcsc.exe	notepad.exe
PID 888 wrote to memory of 1452	888	msdcsc.exe	notepad.exe
PID 888 wrote to memory of 1452	888	msdcsc.exe	notepad.exe
PID 888 wrote to memory of 1452	888	msdcsc.exe	notepad.exe
PID 888 wrote to memory of 1452	888	msdcsc.exe	notepad.exe
PID 888 wrote to memory of 1452	888	msdcsc.exe	notepad.exe
PID 888 wrote to memory of 1452	888	msdcsc.exe	notepad.exe
PID 888 wrote to memory of 1452	888	msdcsc.exe	notepad.exe
PID 888 wrote to memory of 1452	888	msdcsc.exe	notepad.exe
PID 888 wrote to memory of 1452	888	msdcsc.exe	notepad.exe
PID 888 wrote to memory of 1452	888	msdcsc.exe	notepad.exe
PID 888 wrote to memory of 1452	888	msdcsc.exe	notepad.exe
PID 888 wrote to memory of 1452	888	msdcsc.exe	notepad.exe

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

Processes:

msdcsc.exe

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

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exe

pid process

4336 attrib.exe
4388 attrib.exe

pid	process
4336	attrib.exe
4388	attrib.exe

C:\Users\Admin\AppData\Local\Temp\2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
"C:\Users\Admin\AppData\Local\Temp\2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.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:432

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe" +s +h
2⤵
- Suspicious use of WriteProcessMemory
PID:4956

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe" +s +h
3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:4336

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

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:4388

C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
"C:\Users\Admin\AppData\Local\Temp\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:888

C:\Windows\SysWOW64\notepad.exe
notepad
3⤵
PID:1452

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

2

T1158

Modify Existing Service

2

T1031

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Defense Evasion

Disabling Security Tools

2

T1089

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
Filesize
658KB

MD5
95f8e456ac2d3c5a86b002596fb9015c

SHA1
902684ac2da80970b8d37a683485a8645d10468f

SHA256
2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111

SHA512
5820bb9fb23e009770f3aa5003b347a7d5730a24eb66eb7380c7b10e4adc679e0491de1bd47002a32985f3bb999e1f340de47905f5a32e9592f1f89934f32b6d

Download Submit
C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
Filesize
658KB

MD5
95f8e456ac2d3c5a86b002596fb9015c

SHA1
902684ac2da80970b8d37a683485a8645d10468f

SHA256
2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111

SHA512
5820bb9fb23e009770f3aa5003b347a7d5730a24eb66eb7380c7b10e4adc679e0491de1bd47002a32985f3bb999e1f340de47905f5a32e9592f1f89934f32b6d

Download Submit
memory/888-136-0x0000000000000000-mapping.dmp

Download
memory/1452-139-0x0000000000000000-mapping.dmp

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

Download
memory/4336-134-0x0000000000000000-mapping.dmp

Download
memory/4388-135-0x0000000000000000-mapping.dmp

Download
memory/4956-132-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads