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

2028 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

1456 attrib.exe
1200 attrib.exe

pid	process
2028	msdcsc.exe

pid	process
1456	attrib.exe
1200	attrib.exe

Loads dropped DLL 2 IoCs

Processes:

2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe

pid	process
1704	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
1704	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

msdcsc.exe2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	msdcsc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.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

2028 msdcsc.exe

pid	process
2028	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1704	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeSecurityPrivilege	1704	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeTakeOwnershipPrivilege	1704	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeLoadDriverPrivilege	1704	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeSystemProfilePrivilege	1704	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeSystemtimePrivilege	1704	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeProfSingleProcessPrivilege	1704	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeIncBasePriorityPrivilege	1704	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeCreatePagefilePrivilege	1704	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeBackupPrivilege	1704	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeRestorePrivilege	1704	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeShutdownPrivilege	1704	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeDebugPrivilege	1704	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeSystemEnvironmentPrivilege	1704	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeChangeNotifyPrivilege	1704	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeRemoteShutdownPrivilege	1704	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeUndockPrivilege	1704	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeManageVolumePrivilege	1704	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeImpersonatePrivilege	1704	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeCreateGlobalPrivilege	1704	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: 33	1704	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: 34	1704	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: 35	1704	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
Token: SeIncreaseQuotaPrivilege	2028	msdcsc.exe
Token: SeSecurityPrivilege	2028	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2028	msdcsc.exe
Token: SeLoadDriverPrivilege	2028	msdcsc.exe
Token: SeSystemProfilePrivilege	2028	msdcsc.exe
Token: SeSystemtimePrivilege	2028	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2028	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2028	msdcsc.exe
Token: SeCreatePagefilePrivilege	2028	msdcsc.exe
Token: SeBackupPrivilege	2028	msdcsc.exe
Token: SeRestorePrivilege	2028	msdcsc.exe
Token: SeShutdownPrivilege	2028	msdcsc.exe
Token: SeDebugPrivilege	2028	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2028	msdcsc.exe
Token: SeChangeNotifyPrivilege	2028	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2028	msdcsc.exe
Token: SeUndockPrivilege	2028	msdcsc.exe
Token: SeManageVolumePrivilege	2028	msdcsc.exe
Token: SeImpersonatePrivilege	2028	msdcsc.exe
Token: SeCreateGlobalPrivilege	2028	msdcsc.exe
Token: 33	2028	msdcsc.exe
Token: 34	2028	msdcsc.exe
Token: 35	2028	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid process

2028 msdcsc.exe

pid	process
2028	msdcsc.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.execmd.execmd.exemsdcsc.exe

description	pid	process	target process
PID 1704 wrote to memory of 1488	1704	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe	cmd.exe
PID 1704 wrote to memory of 1488	1704	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe	cmd.exe
PID 1704 wrote to memory of 1488	1704	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe	cmd.exe
PID 1704 wrote to memory of 1488	1704	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe	cmd.exe
PID 1704 wrote to memory of 1072	1704	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe	cmd.exe
PID 1704 wrote to memory of 1072	1704	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe	cmd.exe
PID 1704 wrote to memory of 1072	1704	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe	cmd.exe
PID 1704 wrote to memory of 1072	1704	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe	cmd.exe
PID 1488 wrote to memory of 1200	1488	cmd.exe	attrib.exe
PID 1488 wrote to memory of 1200	1488	cmd.exe	attrib.exe
PID 1488 wrote to memory of 1200	1488	cmd.exe	attrib.exe
PID 1488 wrote to memory of 1200	1488	cmd.exe	attrib.exe
PID 1072 wrote to memory of 1456	1072	cmd.exe	attrib.exe
PID 1072 wrote to memory of 1456	1072	cmd.exe	attrib.exe
PID 1072 wrote to memory of 1456	1072	cmd.exe	attrib.exe
PID 1072 wrote to memory of 1456	1072	cmd.exe	attrib.exe
PID 1704 wrote to memory of 2028	1704	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe	msdcsc.exe
PID 1704 wrote to memory of 2028	1704	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe	msdcsc.exe
PID 1704 wrote to memory of 2028	1704	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe	msdcsc.exe
PID 1704 wrote to memory of 2028	1704	2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe	msdcsc.exe
PID 2028 wrote to memory of 572	2028	msdcsc.exe	notepad.exe
PID 2028 wrote to memory of 572	2028	msdcsc.exe	notepad.exe
PID 2028 wrote to memory of 572	2028	msdcsc.exe	notepad.exe
PID 2028 wrote to memory of 572	2028	msdcsc.exe	notepad.exe
PID 2028 wrote to memory of 572	2028	msdcsc.exe	notepad.exe
PID 2028 wrote to memory of 572	2028	msdcsc.exe	notepad.exe
PID 2028 wrote to memory of 572	2028	msdcsc.exe	notepad.exe
PID 2028 wrote to memory of 572	2028	msdcsc.exe	notepad.exe
PID 2028 wrote to memory of 572	2028	msdcsc.exe	notepad.exe
PID 2028 wrote to memory of 572	2028	msdcsc.exe	notepad.exe
PID 2028 wrote to memory of 572	2028	msdcsc.exe	notepad.exe
PID 2028 wrote to memory of 572	2028	msdcsc.exe	notepad.exe
PID 2028 wrote to memory of 572	2028	msdcsc.exe	notepad.exe
PID 2028 wrote to memory of 572	2028	msdcsc.exe	notepad.exe
PID 2028 wrote to memory of 572	2028	msdcsc.exe	notepad.exe
PID 2028 wrote to memory of 572	2028	msdcsc.exe	notepad.exe
PID 2028 wrote to memory of 572	2028	msdcsc.exe	notepad.exe
PID 2028 wrote to memory of 572	2028	msdcsc.exe	notepad.exe
PID 2028 wrote to memory of 572	2028	msdcsc.exe	notepad.exe
PID 2028 wrote to memory of 572	2028	msdcsc.exe	notepad.exe
PID 2028 wrote to memory of 572	2028	msdcsc.exe	notepad.exe
PID 2028 wrote to memory of 572	2028	msdcsc.exe	notepad.exe
PID 2028 wrote to memory of 572	2028	msdcsc.exe	notepad.exe

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exe

pid process

1200 attrib.exe
1456 attrib.exe

pid	process
1200	attrib.exe
1456	attrib.exe

C:\Users\Admin\AppData\Local\Temp\2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe
"C:\Users\Admin\AppData\Local\Temp\2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1704

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:1488

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:1200

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:1072

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:1456

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:2028

C:\Windows\SysWOW64\notepad.exe
notepad
3⤵
PID:572

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

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

MD5
8b2343d0b1e7d35b30b402478387da19

SHA1
43adb71190172e05cda78a05f8643d0fe7a8c332

SHA256
2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd

SHA512
1bc38d51419909efcc438a1d77825514fdd251ddcfe50223c116ac3cb9d53466f8b773cea467918413315753db75c2204226a371b673363dc93ab80cd92d3478

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

MD5
8b2343d0b1e7d35b30b402478387da19

SHA1
43adb71190172e05cda78a05f8643d0fe7a8c332

SHA256
2ae7eb3e138feab1512929f01d85bec8f2f1f941798f8c994002c479591afccd

SHA512
1bc38d51419909efcc438a1d77825514fdd251ddcfe50223c116ac3cb9d53466f8b773cea467918413315753db75c2204226a371b673363dc93ab80cd92d3478

Download Submit
memory/572-65-0x0000000000000000-mapping.dmp

Download
memory/1072-56-0x0000000000000000-mapping.dmp

Download
memory/1200-57-0x0000000000000000-mapping.dmp

Download
memory/1456-58-0x0000000000000000-mapping.dmp

Download
memory/1488-55-0x0000000000000000-mapping.dmp

Download
memory/1704-54-0x00000000764D1000-0x00000000764D3000-memory.dmp

Filesize
8KB

Download
memory/2028-61-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads