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
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\UpdatesDisableNotify = "1"	msdcsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	msdcsc.exe

Disables RegEdit via registry modification 1 IoCs

evasion

Processes:

msdcsc.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	msdcsc.exe

Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

1728 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

1996 attrib.exe
2020 attrib.exe

pid	process
1728	msdcsc.exe

pid	process
1996	attrib.exe
2020	attrib.exe

Loads dropped DLL 2 IoCs

Processes:

2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe

pid	process
1472	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
1472	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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\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
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

msdcsc.exe

pid process

1728 msdcsc.exe

pid	process
1728	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1472	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeSecurityPrivilege	1472	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeTakeOwnershipPrivilege	1472	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeLoadDriverPrivilege	1472	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeSystemProfilePrivilege	1472	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeSystemtimePrivilege	1472	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeProfSingleProcessPrivilege	1472	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeIncBasePriorityPrivilege	1472	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeCreatePagefilePrivilege	1472	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeBackupPrivilege	1472	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeRestorePrivilege	1472	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeShutdownPrivilege	1472	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeDebugPrivilege	1472	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeSystemEnvironmentPrivilege	1472	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeChangeNotifyPrivilege	1472	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeRemoteShutdownPrivilege	1472	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeUndockPrivilege	1472	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeManageVolumePrivilege	1472	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeImpersonatePrivilege	1472	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeCreateGlobalPrivilege	1472	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: 33	1472	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: 34	1472	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: 35	1472	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
Token: SeIncreaseQuotaPrivilege	1728	msdcsc.exe
Token: SeSecurityPrivilege	1728	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1728	msdcsc.exe
Token: SeLoadDriverPrivilege	1728	msdcsc.exe
Token: SeSystemProfilePrivilege	1728	msdcsc.exe
Token: SeSystemtimePrivilege	1728	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1728	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1728	msdcsc.exe
Token: SeCreatePagefilePrivilege	1728	msdcsc.exe
Token: SeBackupPrivilege	1728	msdcsc.exe
Token: SeRestorePrivilege	1728	msdcsc.exe
Token: SeShutdownPrivilege	1728	msdcsc.exe
Token: SeDebugPrivilege	1728	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1728	msdcsc.exe
Token: SeChangeNotifyPrivilege	1728	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1728	msdcsc.exe
Token: SeUndockPrivilege	1728	msdcsc.exe
Token: SeManageVolumePrivilege	1728	msdcsc.exe
Token: SeImpersonatePrivilege	1728	msdcsc.exe
Token: SeCreateGlobalPrivilege	1728	msdcsc.exe
Token: 33	1728	msdcsc.exe
Token: 34	1728	msdcsc.exe
Token: 35	1728	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid process

1728 msdcsc.exe

pid	process
1728	msdcsc.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.execmd.execmd.exemsdcsc.exe

description	pid	process	target process
PID 1472 wrote to memory of 1500	1472	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe	cmd.exe
PID 1472 wrote to memory of 1500	1472	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe	cmd.exe
PID 1472 wrote to memory of 1500	1472	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe	cmd.exe
PID 1472 wrote to memory of 1500	1472	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe	cmd.exe
PID 1472 wrote to memory of 956	1472	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe	cmd.exe
PID 1472 wrote to memory of 956	1472	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe	cmd.exe
PID 1472 wrote to memory of 956	1472	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe	cmd.exe
PID 1472 wrote to memory of 956	1472	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe	cmd.exe
PID 1500 wrote to memory of 1996	1500	cmd.exe	attrib.exe
PID 1500 wrote to memory of 1996	1500	cmd.exe	attrib.exe
PID 1500 wrote to memory of 1996	1500	cmd.exe	attrib.exe
PID 1500 wrote to memory of 1996	1500	cmd.exe	attrib.exe
PID 956 wrote to memory of 2020	956	cmd.exe	attrib.exe
PID 956 wrote to memory of 2020	956	cmd.exe	attrib.exe
PID 956 wrote to memory of 2020	956	cmd.exe	attrib.exe
PID 956 wrote to memory of 2020	956	cmd.exe	attrib.exe
PID 1472 wrote to memory of 1728	1472	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe	msdcsc.exe
PID 1472 wrote to memory of 1728	1472	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe	msdcsc.exe
PID 1472 wrote to memory of 1728	1472	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe	msdcsc.exe
PID 1472 wrote to memory of 1728	1472	2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe	msdcsc.exe
PID 1728 wrote to memory of 1992	1728	msdcsc.exe	notepad.exe
PID 1728 wrote to memory of 1992	1728	msdcsc.exe	notepad.exe
PID 1728 wrote to memory of 1992	1728	msdcsc.exe	notepad.exe
PID 1728 wrote to memory of 1992	1728	msdcsc.exe	notepad.exe
PID 1728 wrote to memory of 1992	1728	msdcsc.exe	notepad.exe
PID 1728 wrote to memory of 1992	1728	msdcsc.exe	notepad.exe
PID 1728 wrote to memory of 1992	1728	msdcsc.exe	notepad.exe
PID 1728 wrote to memory of 1992	1728	msdcsc.exe	notepad.exe
PID 1728 wrote to memory of 1992	1728	msdcsc.exe	notepad.exe
PID 1728 wrote to memory of 1992	1728	msdcsc.exe	notepad.exe
PID 1728 wrote to memory of 1992	1728	msdcsc.exe	notepad.exe
PID 1728 wrote to memory of 1992	1728	msdcsc.exe	notepad.exe
PID 1728 wrote to memory of 1992	1728	msdcsc.exe	notepad.exe
PID 1728 wrote to memory of 1992	1728	msdcsc.exe	notepad.exe
PID 1728 wrote to memory of 1992	1728	msdcsc.exe	notepad.exe
PID 1728 wrote to memory of 1992	1728	msdcsc.exe	notepad.exe
PID 1728 wrote to memory of 1992	1728	msdcsc.exe	notepad.exe
PID 1728 wrote to memory of 1992	1728	msdcsc.exe	notepad.exe
PID 1728 wrote to memory of 1992	1728	msdcsc.exe	notepad.exe
PID 1728 wrote to memory of 1992	1728	msdcsc.exe	notepad.exe
PID 1728 wrote to memory of 1992	1728	msdcsc.exe	notepad.exe
PID 1728 wrote to memory of 1992	1728	msdcsc.exe	notepad.exe
PID 1728 wrote to memory of 1992	1728	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

1996 attrib.exe
2020 attrib.exe

pid	process
1996	attrib.exe
2020	attrib.exe

C:\Users\Admin\AppData\Local\Temp\2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe
"C:\Users\Admin\AppData\Local\Temp\2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1472

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:1500

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:1996

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:956

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:2020

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:1728

C:\Windows\SysWOW64\notepad.exe
notepad
3⤵
PID:1992

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

System Information Discovery

1

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

MD5
95f8e456ac2d3c5a86b002596fb9015c

SHA1
902684ac2da80970b8d37a683485a8645d10468f

SHA256
2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111

SHA512
5820bb9fb23e009770f3aa5003b347a7d5730a24eb66eb7380c7b10e4adc679e0491de1bd47002a32985f3bb999e1f340de47905f5a32e9592f1f89934f32b6d

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

MD5
95f8e456ac2d3c5a86b002596fb9015c

SHA1
902684ac2da80970b8d37a683485a8645d10468f

SHA256
2a0960a21018740e47266a4aff181e431c9be3a62f967716f71d873cd38e2111

SHA512
5820bb9fb23e009770f3aa5003b347a7d5730a24eb66eb7380c7b10e4adc679e0491de1bd47002a32985f3bb999e1f340de47905f5a32e9592f1f89934f32b6d

Download Submit
memory/956-56-0x0000000000000000-mapping.dmp

Download
memory/1472-54-0x0000000074D61000-0x0000000074D63000-memory.dmp

Filesize
8KB

Download
memory/1500-55-0x0000000000000000-mapping.dmp

Download
memory/1728-61-0x0000000000000000-mapping.dmp

Download
memory/1992-65-0x0000000000000000-mapping.dmp

Download
memory/1996-57-0x0000000000000000-mapping.dmp

Download
memory/2020-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads