darkcomet | 1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56

General

Target

1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56.exe
Size

658KB
MD5

614ce4fee5035cc7235bddebcaabc110
SHA1

b017d98de4c13cd68b0101d5b8d29fe076035c3f
SHA256

1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56
SHA512

fc4c04accde8bda3f37b87485e3104a5c8c5973de4bbdb6423925fc233bef4e38f709159334b5cf0d4fd83671b92ceb4afe9d8ca6997eb017560940e0f570a5b
SSDEEP

12288:S9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hS:+Z1xuVVjfFoynPaVBUR8f+kN10EBo

Score

10^/10

darkcomet guest16 persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1604

Mutex

DC_MUTEX-6733SW3

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
9o7YY6EvlazS
install
true
offline_keylogger
false
persistence
false
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:

1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56.exe

Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

1464 msdcsc.exe

pid	process
1464	msdcsc.exe

Loads dropped DLL 2 IoCs

Processes:

1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56.exe

pid	process
240	1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56.exe
240	1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	240	1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56.exe
Token: SeSecurityPrivilege	240	1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56.exe
Token: SeTakeOwnershipPrivilege	240	1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56.exe
Token: SeLoadDriverPrivilege	240	1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56.exe
Token: SeSystemProfilePrivilege	240	1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56.exe
Token: SeSystemtimePrivilege	240	1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56.exe
Token: SeProfSingleProcessPrivilege	240	1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56.exe
Token: SeIncBasePriorityPrivilege	240	1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56.exe
Token: SeCreatePagefilePrivilege	240	1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56.exe
Token: SeBackupPrivilege	240	1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56.exe
Token: SeRestorePrivilege	240	1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56.exe
Token: SeShutdownPrivilege	240	1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56.exe
Token: SeDebugPrivilege	240	1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56.exe
Token: SeSystemEnvironmentPrivilege	240	1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56.exe
Token: SeChangeNotifyPrivilege	240	1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56.exe
Token: SeRemoteShutdownPrivilege	240	1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56.exe
Token: SeUndockPrivilege	240	1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56.exe
Token: SeManageVolumePrivilege	240	1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56.exe
Token: SeImpersonatePrivilege	240	1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56.exe
Token: SeCreateGlobalPrivilege	240	1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56.exe
Token: 33	240	1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56.exe
Token: 34	240	1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56.exe
Token: 35	240	1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56.exe
Token: SeIncreaseQuotaPrivilege	1464	msdcsc.exe
Token: SeSecurityPrivilege	1464	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1464	msdcsc.exe
Token: SeLoadDriverPrivilege	1464	msdcsc.exe
Token: SeSystemProfilePrivilege	1464	msdcsc.exe
Token: SeSystemtimePrivilege	1464	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1464	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1464	msdcsc.exe
Token: SeCreatePagefilePrivilege	1464	msdcsc.exe
Token: SeBackupPrivilege	1464	msdcsc.exe
Token: SeRestorePrivilege	1464	msdcsc.exe
Token: SeShutdownPrivilege	1464	msdcsc.exe
Token: SeDebugPrivilege	1464	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1464	msdcsc.exe
Token: SeChangeNotifyPrivilege	1464	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1464	msdcsc.exe
Token: SeUndockPrivilege	1464	msdcsc.exe
Token: SeManageVolumePrivilege	1464	msdcsc.exe
Token: SeImpersonatePrivilege	1464	msdcsc.exe
Token: SeCreateGlobalPrivilege	1464	msdcsc.exe
Token: 33	1464	msdcsc.exe
Token: 34	1464	msdcsc.exe
Token: 35	1464	msdcsc.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56.exe

description	pid	process	target process
PID 240 wrote to memory of 1464	240	1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56.exe	msdcsc.exe
PID 240 wrote to memory of 1464	240	1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56.exe	msdcsc.exe
PID 240 wrote to memory of 1464	240	1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56.exe	msdcsc.exe
PID 240 wrote to memory of 1464	240	1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56.exe	msdcsc.exe

C:\Users\Admin\AppData\Local\Temp\1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56.exe
"C:\Users\Admin\AppData\Local\Temp\1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:240

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1464

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
Filesize
658KB

MD5
614ce4fee5035cc7235bddebcaabc110

SHA1
b017d98de4c13cd68b0101d5b8d29fe076035c3f

SHA256
1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56

SHA512
fc4c04accde8bda3f37b87485e3104a5c8c5973de4bbdb6423925fc233bef4e38f709159334b5cf0d4fd83671b92ceb4afe9d8ca6997eb017560940e0f570a5b

Download Submit
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
Filesize
658KB

MD5
614ce4fee5035cc7235bddebcaabc110

SHA1
b017d98de4c13cd68b0101d5b8d29fe076035c3f

SHA256
1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56

SHA512
fc4c04accde8bda3f37b87485e3104a5c8c5973de4bbdb6423925fc233bef4e38f709159334b5cf0d4fd83671b92ceb4afe9d8ca6997eb017560940e0f570a5b

Download Submit
\Users\Admin\Documents\MSDCSC\msdcsc.exe
Filesize
658KB

MD5
614ce4fee5035cc7235bddebcaabc110

SHA1
b017d98de4c13cd68b0101d5b8d29fe076035c3f

SHA256
1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56

SHA512
fc4c04accde8bda3f37b87485e3104a5c8c5973de4bbdb6423925fc233bef4e38f709159334b5cf0d4fd83671b92ceb4afe9d8ca6997eb017560940e0f570a5b

Download Submit
\Users\Admin\Documents\MSDCSC\msdcsc.exe
Filesize
658KB

MD5
614ce4fee5035cc7235bddebcaabc110

SHA1
b017d98de4c13cd68b0101d5b8d29fe076035c3f

SHA256
1efce611a10b2b45dfc71a87c5139c92393ece8e4db9e265a77a0b056caede56

SHA512
fc4c04accde8bda3f37b87485e3104a5c8c5973de4bbdb6423925fc233bef4e38f709159334b5cf0d4fd83671b92ceb4afe9d8ca6997eb017560940e0f570a5b

Download Submit
memory/240-54-0x0000000075DA1000-0x0000000075DA3000-memory.dmp

Filesize
8KB

Download
memory/1464-57-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads