darkcomet | 5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03

General

Target

5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03.exe
Size

849KB
MD5

bf1bf48e54628cce8c27309c05a1edaf
SHA1

28af1bd896e3fdf0f902af4948b48483e0c71193
SHA256

5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03
SHA512

8138f0dc6880275ad6dce4e375b53078d5b83ba36d1796d20c4c06e63c436096fb40ffd4f68a72393052368c7a44c59e71581306402ba7b52d2a65ff86eb8bee

Score

10^/10

darkcomet guest16 persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

ffcdds.ddns.net:1604

Mutex

DC_MUTEX-XETQG0J

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
urvT6qvyMSb0
install
true
offline_keylogger
true
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:

5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03.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"	5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03.exe

Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

4092 msdcsc.exe

pid	process
4092	msdcsc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03.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 48 IoCs

Processes:

5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	4196	5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03.exe
Token: SeSecurityPrivilege	4196	5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03.exe
Token: SeTakeOwnershipPrivilege	4196	5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03.exe
Token: SeLoadDriverPrivilege	4196	5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03.exe
Token: SeSystemProfilePrivilege	4196	5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03.exe
Token: SeSystemtimePrivilege	4196	5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03.exe
Token: SeProfSingleProcessPrivilege	4196	5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03.exe
Token: SeIncBasePriorityPrivilege	4196	5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03.exe
Token: SeCreatePagefilePrivilege	4196	5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03.exe
Token: SeBackupPrivilege	4196	5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03.exe
Token: SeRestorePrivilege	4196	5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03.exe
Token: SeShutdownPrivilege	4196	5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03.exe
Token: SeDebugPrivilege	4196	5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03.exe
Token: SeSystemEnvironmentPrivilege	4196	5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03.exe
Token: SeChangeNotifyPrivilege	4196	5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03.exe
Token: SeRemoteShutdownPrivilege	4196	5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03.exe
Token: SeUndockPrivilege	4196	5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03.exe
Token: SeManageVolumePrivilege	4196	5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03.exe
Token: SeImpersonatePrivilege	4196	5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03.exe
Token: SeCreateGlobalPrivilege	4196	5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03.exe
Token: 33	4196	5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03.exe
Token: 34	4196	5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03.exe
Token: 35	4196	5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03.exe
Token: 36	4196	5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03.exe
Token: SeIncreaseQuotaPrivilege	4092	msdcsc.exe
Token: SeSecurityPrivilege	4092	msdcsc.exe
Token: SeTakeOwnershipPrivilege	4092	msdcsc.exe
Token: SeLoadDriverPrivilege	4092	msdcsc.exe
Token: SeSystemProfilePrivilege	4092	msdcsc.exe
Token: SeSystemtimePrivilege	4092	msdcsc.exe
Token: SeProfSingleProcessPrivilege	4092	msdcsc.exe
Token: SeIncBasePriorityPrivilege	4092	msdcsc.exe
Token: SeCreatePagefilePrivilege	4092	msdcsc.exe
Token: SeBackupPrivilege	4092	msdcsc.exe
Token: SeRestorePrivilege	4092	msdcsc.exe
Token: SeShutdownPrivilege	4092	msdcsc.exe
Token: SeDebugPrivilege	4092	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	4092	msdcsc.exe
Token: SeChangeNotifyPrivilege	4092	msdcsc.exe
Token: SeRemoteShutdownPrivilege	4092	msdcsc.exe
Token: SeUndockPrivilege	4092	msdcsc.exe
Token: SeManageVolumePrivilege	4092	msdcsc.exe
Token: SeImpersonatePrivilege	4092	msdcsc.exe
Token: SeCreateGlobalPrivilege	4092	msdcsc.exe
Token: 33	4092	msdcsc.exe
Token: 34	4092	msdcsc.exe
Token: 35	4092	msdcsc.exe
Token: 36	4092	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid process

4092 msdcsc.exe

pid	process
4092	msdcsc.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03.exemsdcsc.exe

description	pid	process	target process
PID 4196 wrote to memory of 4092	4196	5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03.exe	msdcsc.exe
PID 4196 wrote to memory of 4092	4196	5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03.exe	msdcsc.exe
PID 4196 wrote to memory of 4092	4196	5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03.exe	msdcsc.exe
PID 4092 wrote to memory of 3944	4092	msdcsc.exe	notepad.exe
PID 4092 wrote to memory of 3944	4092	msdcsc.exe	notepad.exe
PID 4092 wrote to memory of 3944	4092	msdcsc.exe	notepad.exe
PID 4092 wrote to memory of 3944	4092	msdcsc.exe	notepad.exe
PID 4092 wrote to memory of 3944	4092	msdcsc.exe	notepad.exe
PID 4092 wrote to memory of 3944	4092	msdcsc.exe	notepad.exe
PID 4092 wrote to memory of 3944	4092	msdcsc.exe	notepad.exe
PID 4092 wrote to memory of 3944	4092	msdcsc.exe	notepad.exe
PID 4092 wrote to memory of 3944	4092	msdcsc.exe	notepad.exe
PID 4092 wrote to memory of 3944	4092	msdcsc.exe	notepad.exe
PID 4092 wrote to memory of 3944	4092	msdcsc.exe	notepad.exe
PID 4092 wrote to memory of 3944	4092	msdcsc.exe	notepad.exe
PID 4092 wrote to memory of 3944	4092	msdcsc.exe	notepad.exe
PID 4092 wrote to memory of 3944	4092	msdcsc.exe	notepad.exe
PID 4092 wrote to memory of 3944	4092	msdcsc.exe	notepad.exe
PID 4092 wrote to memory of 3944	4092	msdcsc.exe	notepad.exe
PID 4092 wrote to memory of 3944	4092	msdcsc.exe	notepad.exe
PID 4092 wrote to memory of 3944	4092	msdcsc.exe	notepad.exe
PID 4092 wrote to memory of 3944	4092	msdcsc.exe	notepad.exe
PID 4092 wrote to memory of 3944	4092	msdcsc.exe	notepad.exe
PID 4092 wrote to memory of 3944	4092	msdcsc.exe	notepad.exe
PID 4092 wrote to memory of 3944	4092	msdcsc.exe	notepad.exe

C:\Users\Admin\AppData\Local\Temp\5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03.exe
"C:\Users\Admin\AppData\Local\Temp\5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4196

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4092

C:\Windows\SysWOW64\notepad.exe
notepad
3⤵
PID:3944

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
MD5
bf1bf48e54628cce8c27309c05a1edaf

SHA1
28af1bd896e3fdf0f902af4948b48483e0c71193

SHA256
5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03

SHA512
8138f0dc6880275ad6dce4e375b53078d5b83ba36d1796d20c4c06e63c436096fb40ffd4f68a72393052368c7a44c59e71581306402ba7b52d2a65ff86eb8bee

Download Submit
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
MD5
bf1bf48e54628cce8c27309c05a1edaf

SHA1
28af1bd896e3fdf0f902af4948b48483e0c71193

SHA256
5d6a551a0ad117a907bcd225ea0d97355b88063e472007d33e2e159cc635fc03

SHA512
8138f0dc6880275ad6dce4e375b53078d5b83ba36d1796d20c4c06e63c436096fb40ffd4f68a72393052368c7a44c59e71581306402ba7b52d2a65ff86eb8bee

Download Submit
memory/3944-119-0x0000000000000000-mapping.dmp

Download
memory/3944-121-0x0000000000A20000-0x0000000000A21000-memory.dmp

Filesize
4KB

Download
memory/4092-116-0x0000000000000000-mapping.dmp

Download
memory/4092-120-0x0000000000770000-0x0000000000771000-memory.dmp

Filesize
4KB

Download
memory/4196-115-0x0000000002470000-0x0000000002471000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads