darkcomet | 2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd

General

Target

2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Size

658KB
MD5

8b2343d0b1e7d35b30b402478387da19
SHA1

43adb71190172e05cda78a05f8643d0fe7a8c332
SHA256

2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd
SHA512

1bc38d51419909efcc438a1d77825514fdd251ddcfe50223c116ac3cb9d53466f8b773cea467918413315753db75c2204226a371b673363dc93ab80cd92d3478

Score

10^/10

darkcomet all evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

ALL

C2

192.168.1.43:6666

Mutex

DC_MUTEX-0ZMB0MX

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
iGiHgd2SDyqC
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:

2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.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"	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe

Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

1896 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

4756 attrib.exe
4140 attrib.exe

pid	process
1896	msdcsc.exe

pid	process
4756	attrib.exe
4140	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:

2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Control Panel\International\Geo\Nation	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exemsdcsc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\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:

2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

msdcsc.exe

pid process

1896 msdcsc.exe

pid	process
1896	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2388	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeSecurityPrivilege	2388	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeTakeOwnershipPrivilege	2388	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeLoadDriverPrivilege	2388	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeSystemProfilePrivilege	2388	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeSystemtimePrivilege	2388	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeProfSingleProcessPrivilege	2388	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeIncBasePriorityPrivilege	2388	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeCreatePagefilePrivilege	2388	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeBackupPrivilege	2388	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeRestorePrivilege	2388	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeShutdownPrivilege	2388	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeDebugPrivilege	2388	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeSystemEnvironmentPrivilege	2388	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeChangeNotifyPrivilege	2388	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeRemoteShutdownPrivilege	2388	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeUndockPrivilege	2388	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeManageVolumePrivilege	2388	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeImpersonatePrivilege	2388	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeCreateGlobalPrivilege	2388	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: 33	2388	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: 34	2388	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: 35	2388	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: 36	2388	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeIncreaseQuotaPrivilege	1896	msdcsc.exe
Token: SeSecurityPrivilege	1896	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1896	msdcsc.exe
Token: SeLoadDriverPrivilege	1896	msdcsc.exe
Token: SeSystemProfilePrivilege	1896	msdcsc.exe
Token: SeSystemtimePrivilege	1896	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1896	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1896	msdcsc.exe
Token: SeCreatePagefilePrivilege	1896	msdcsc.exe
Token: SeBackupPrivilege	1896	msdcsc.exe
Token: SeRestorePrivilege	1896	msdcsc.exe
Token: SeShutdownPrivilege	1896	msdcsc.exe
Token: SeDebugPrivilege	1896	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1896	msdcsc.exe
Token: SeChangeNotifyPrivilege	1896	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1896	msdcsc.exe
Token: SeUndockPrivilege	1896	msdcsc.exe
Token: SeManageVolumePrivilege	1896	msdcsc.exe
Token: SeImpersonatePrivilege	1896	msdcsc.exe
Token: SeCreateGlobalPrivilege	1896	msdcsc.exe
Token: 33	1896	msdcsc.exe
Token: 34	1896	msdcsc.exe
Token: 35	1896	msdcsc.exe
Token: 36	1896	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid process

1896 msdcsc.exe

pid	process
1896	msdcsc.exe

Suspicious use of WriteProcessMemory 37 IoCs

Processes:

2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.execmd.execmd.exemsdcsc.exe

description	pid	process	target process
PID 2388 wrote to memory of 2192	2388	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe	cmd.exe
PID 2388 wrote to memory of 2192	2388	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe	cmd.exe
PID 2388 wrote to memory of 2192	2388	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe	cmd.exe
PID 2388 wrote to memory of 1868	2388	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe	cmd.exe
PID 2388 wrote to memory of 1868	2388	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe	cmd.exe
PID 2388 wrote to memory of 1868	2388	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe	cmd.exe
PID 2192 wrote to memory of 4756	2192	cmd.exe	attrib.exe
PID 2192 wrote to memory of 4756	2192	cmd.exe	attrib.exe
PID 2192 wrote to memory of 4756	2192	cmd.exe	attrib.exe
PID 1868 wrote to memory of 4140	1868	cmd.exe	attrib.exe
PID 1868 wrote to memory of 4140	1868	cmd.exe	attrib.exe
PID 1868 wrote to memory of 4140	1868	cmd.exe	attrib.exe
PID 2388 wrote to memory of 1896	2388	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe	msdcsc.exe
PID 2388 wrote to memory of 1896	2388	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe	msdcsc.exe
PID 2388 wrote to memory of 1896	2388	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe	msdcsc.exe
PID 1896 wrote to memory of 3040	1896	msdcsc.exe	notepad.exe
PID 1896 wrote to memory of 3040	1896	msdcsc.exe	notepad.exe
PID 1896 wrote to memory of 3040	1896	msdcsc.exe	notepad.exe
PID 1896 wrote to memory of 3040	1896	msdcsc.exe	notepad.exe
PID 1896 wrote to memory of 3040	1896	msdcsc.exe	notepad.exe
PID 1896 wrote to memory of 3040	1896	msdcsc.exe	notepad.exe
PID 1896 wrote to memory of 3040	1896	msdcsc.exe	notepad.exe
PID 1896 wrote to memory of 3040	1896	msdcsc.exe	notepad.exe
PID 1896 wrote to memory of 3040	1896	msdcsc.exe	notepad.exe
PID 1896 wrote to memory of 3040	1896	msdcsc.exe	notepad.exe
PID 1896 wrote to memory of 3040	1896	msdcsc.exe	notepad.exe
PID 1896 wrote to memory of 3040	1896	msdcsc.exe	notepad.exe
PID 1896 wrote to memory of 3040	1896	msdcsc.exe	notepad.exe
PID 1896 wrote to memory of 3040	1896	msdcsc.exe	notepad.exe
PID 1896 wrote to memory of 3040	1896	msdcsc.exe	notepad.exe
PID 1896 wrote to memory of 3040	1896	msdcsc.exe	notepad.exe
PID 1896 wrote to memory of 3040	1896	msdcsc.exe	notepad.exe
PID 1896 wrote to memory of 3040	1896	msdcsc.exe	notepad.exe
PID 1896 wrote to memory of 3040	1896	msdcsc.exe	notepad.exe
PID 1896 wrote to memory of 3040	1896	msdcsc.exe	notepad.exe
PID 1896 wrote to memory of 3040	1896	msdcsc.exe	notepad.exe
PID 1896 wrote to memory of 3040	1896	msdcsc.exe	notepad.exe

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exe

pid process

4756 attrib.exe
4140 attrib.exe

pid	process
4756	attrib.exe
4140	attrib.exe

C:\Users\Admin\AppData\Local\Temp\2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
"C:\Users\Admin\AppData\Local\Temp\2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.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:2388

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe" +s +h
2⤵
- Suspicious use of WriteProcessMemory
PID:2192

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe" +s +h
3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:4756

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:1868

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:4140

C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
"C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1896

C:\Windows\SysWOW64\notepad.exe
notepad
3⤵
PID:3040

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Hidden Files and Directories

2

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Hidden Files and Directories

2

T1158

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

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

MD5
8b2343d0b1e7d35b30b402478387da19

SHA1
43adb71190172e05cda78a05f8643d0fe7a8c332

SHA256
2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd

SHA512
1bc38d51419909efcc438a1d77825514fdd251ddcfe50223c116ac3cb9d53466f8b773cea467918413315753db75c2204226a371b673363dc93ab80cd92d3478

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

MD5
8b2343d0b1e7d35b30b402478387da19

SHA1
43adb71190172e05cda78a05f8643d0fe7a8c332

SHA256
2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd

SHA512
1bc38d51419909efcc438a1d77825514fdd251ddcfe50223c116ac3cb9d53466f8b773cea467918413315753db75c2204226a371b673363dc93ab80cd92d3478

Download Submit
memory/1868-131-0x0000000000000000-mapping.dmp

Download
memory/1896-134-0x0000000000000000-mapping.dmp

Download
memory/2192-130-0x0000000000000000-mapping.dmp

Download
memory/3040-137-0x0000000000000000-mapping.dmp

Download
memory/4140-133-0x0000000000000000-mapping.dmp

Download
memory/4756-132-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads