darkcomet | b906fffb5dfe57a4a0704e2a89803ce0af2f9e6dc16338fab258051f1c8c4c0e

General

Target

7744292984634c7a638686636bca0aa7.exe
Size

1.7MB
MD5

370f76a9253bd1fa83bb0dc1d22ee657
SHA1

2a3bd7f2cefc1f7097861a816319b4a9f6bf5ec5
SHA256

b906fffb5dfe57a4a0704e2a89803ce0af2f9e6dc16338fab258051f1c8c4c0e
SHA512

ed6609bc1f544a12879cb15fd238dbd0899f1f1469ea4d28f6ebaaf3f286aa1f9aaa13cf8c6adf4afb0908d25316176023bacb5495867a6f93cebff10d9865af

Score

10^/10

darkcomet minecraft modpack persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Minecraft ModPack

C2

nikitahack.ddns.net:1604

Mutex

DC_MUTEX-QGCEW90

Attributes

InstallPath
Java\JavawsJRE06.exe
gencode
uYzRTNcaeUFc
install
true
offline_keylogger
true
persistence
true
reg_key
JavaUpdater

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:

7744292984634c7a638686636bca0aa7.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\\Java\\JavawsJRE06.exe"	7744292984634c7a638686636bca0aa7.exe

Executes dropped EXE 2 IoCs

Processes:

JavawsJRE06.exeJavawsJRE06.exe

pid process

2008 JavawsJRE06.exe
1108 JavawsJRE06.exe
Loads dropped DLL 2 IoCs

Processes:

7744292984634c7a638686636bca0aa7.exeJavawsJRE06.exe

pid process

1928 7744292984634c7a638686636bca0aa7.exe
2008 JavawsJRE06.exe

pid	process
2008	JavawsJRE06.exe
1108	JavawsJRE06.exe

pid	process
1928	7744292984634c7a638686636bca0aa7.exe
2008	JavawsJRE06.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

7744292984634c7a638686636bca0aa7.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\JavaUpdater = "C:\\Users\\Admin\\Documents\\Java\\JavawsJRE06.exe"	7744292984634c7a638686636bca0aa7.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

7744292984634c7a638686636bca0aa7.exeJavawsJRE06.exe

description	pid	process	target process
PID 644 set thread context of 1928	644	7744292984634c7a638686636bca0aa7.exe	7744292984634c7a638686636bca0aa7.exe
PID 2008 set thread context of 1108	2008	JavawsJRE06.exe	JavawsJRE06.exe

autoit_exe 5 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
\Users\Admin\Documents\Java\JavawsJRE06.exe	autoit_exe
C:\Users\Admin\Documents\Java\JavawsJRE06.exe	autoit_exe
C:\Users\Admin\Documents\Java\JavawsJRE06.exe	autoit_exe
\Users\Admin\Documents\Java\JavawsJRE06.exe	autoit_exe
C:\Users\Admin\Documents\Java\JavawsJRE06.exe	autoit_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:

7744292984634c7a638686636bca0aa7.exeJavawsJRE06.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1928	7744292984634c7a638686636bca0aa7.exe
Token: SeSecurityPrivilege	1928	7744292984634c7a638686636bca0aa7.exe
Token: SeTakeOwnershipPrivilege	1928	7744292984634c7a638686636bca0aa7.exe
Token: SeLoadDriverPrivilege	1928	7744292984634c7a638686636bca0aa7.exe
Token: SeSystemProfilePrivilege	1928	7744292984634c7a638686636bca0aa7.exe
Token: SeSystemtimePrivilege	1928	7744292984634c7a638686636bca0aa7.exe
Token: SeProfSingleProcessPrivilege	1928	7744292984634c7a638686636bca0aa7.exe
Token: SeIncBasePriorityPrivilege	1928	7744292984634c7a638686636bca0aa7.exe
Token: SeCreatePagefilePrivilege	1928	7744292984634c7a638686636bca0aa7.exe
Token: SeBackupPrivilege	1928	7744292984634c7a638686636bca0aa7.exe
Token: SeRestorePrivilege	1928	7744292984634c7a638686636bca0aa7.exe
Token: SeShutdownPrivilege	1928	7744292984634c7a638686636bca0aa7.exe
Token: SeDebugPrivilege	1928	7744292984634c7a638686636bca0aa7.exe
Token: SeSystemEnvironmentPrivilege	1928	7744292984634c7a638686636bca0aa7.exe
Token: SeChangeNotifyPrivilege	1928	7744292984634c7a638686636bca0aa7.exe
Token: SeRemoteShutdownPrivilege	1928	7744292984634c7a638686636bca0aa7.exe
Token: SeUndockPrivilege	1928	7744292984634c7a638686636bca0aa7.exe
Token: SeManageVolumePrivilege	1928	7744292984634c7a638686636bca0aa7.exe
Token: SeImpersonatePrivilege	1928	7744292984634c7a638686636bca0aa7.exe
Token: SeCreateGlobalPrivilege	1928	7744292984634c7a638686636bca0aa7.exe
Token: 33	1928	7744292984634c7a638686636bca0aa7.exe
Token: 34	1928	7744292984634c7a638686636bca0aa7.exe
Token: 35	1928	7744292984634c7a638686636bca0aa7.exe
Token: SeIncreaseQuotaPrivilege	1108	JavawsJRE06.exe
Token: SeSecurityPrivilege	1108	JavawsJRE06.exe
Token: SeTakeOwnershipPrivilege	1108	JavawsJRE06.exe
Token: SeLoadDriverPrivilege	1108	JavawsJRE06.exe
Token: SeSystemProfilePrivilege	1108	JavawsJRE06.exe
Token: SeSystemtimePrivilege	1108	JavawsJRE06.exe
Token: SeProfSingleProcessPrivilege	1108	JavawsJRE06.exe
Token: SeIncBasePriorityPrivilege	1108	JavawsJRE06.exe
Token: SeCreatePagefilePrivilege	1108	JavawsJRE06.exe
Token: SeBackupPrivilege	1108	JavawsJRE06.exe
Token: SeRestorePrivilege	1108	JavawsJRE06.exe
Token: SeShutdownPrivilege	1108	JavawsJRE06.exe
Token: SeDebugPrivilege	1108	JavawsJRE06.exe
Token: SeSystemEnvironmentPrivilege	1108	JavawsJRE06.exe
Token: SeChangeNotifyPrivilege	1108	JavawsJRE06.exe
Token: SeRemoteShutdownPrivilege	1108	JavawsJRE06.exe
Token: SeUndockPrivilege	1108	JavawsJRE06.exe
Token: SeManageVolumePrivilege	1108	JavawsJRE06.exe
Token: SeImpersonatePrivilege	1108	JavawsJRE06.exe
Token: SeCreateGlobalPrivilege	1108	JavawsJRE06.exe
Token: 33	1108	JavawsJRE06.exe
Token: 34	1108	JavawsJRE06.exe
Token: 35	1108	JavawsJRE06.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

JavawsJRE06.exe

pid process

1108 JavawsJRE06.exe

pid	process
1108	JavawsJRE06.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

7744292984634c7a638686636bca0aa7.exe7744292984634c7a638686636bca0aa7.exeJavawsJRE06.exe

description	pid	process	target process
PID 644 wrote to memory of 1928	644	7744292984634c7a638686636bca0aa7.exe	7744292984634c7a638686636bca0aa7.exe
PID 644 wrote to memory of 1928	644	7744292984634c7a638686636bca0aa7.exe	7744292984634c7a638686636bca0aa7.exe
PID 644 wrote to memory of 1928	644	7744292984634c7a638686636bca0aa7.exe	7744292984634c7a638686636bca0aa7.exe
PID 644 wrote to memory of 1928	644	7744292984634c7a638686636bca0aa7.exe	7744292984634c7a638686636bca0aa7.exe
PID 644 wrote to memory of 1928	644	7744292984634c7a638686636bca0aa7.exe	7744292984634c7a638686636bca0aa7.exe
PID 644 wrote to memory of 1928	644	7744292984634c7a638686636bca0aa7.exe	7744292984634c7a638686636bca0aa7.exe
PID 644 wrote to memory of 1928	644	7744292984634c7a638686636bca0aa7.exe	7744292984634c7a638686636bca0aa7.exe
PID 644 wrote to memory of 1928	644	7744292984634c7a638686636bca0aa7.exe	7744292984634c7a638686636bca0aa7.exe
PID 644 wrote to memory of 1928	644	7744292984634c7a638686636bca0aa7.exe	7744292984634c7a638686636bca0aa7.exe
PID 644 wrote to memory of 1928	644	7744292984634c7a638686636bca0aa7.exe	7744292984634c7a638686636bca0aa7.exe
PID 644 wrote to memory of 1928	644	7744292984634c7a638686636bca0aa7.exe	7744292984634c7a638686636bca0aa7.exe
PID 644 wrote to memory of 1928	644	7744292984634c7a638686636bca0aa7.exe	7744292984634c7a638686636bca0aa7.exe
PID 644 wrote to memory of 1928	644	7744292984634c7a638686636bca0aa7.exe	7744292984634c7a638686636bca0aa7.exe
PID 1928 wrote to memory of 2008	1928	7744292984634c7a638686636bca0aa7.exe	JavawsJRE06.exe
PID 1928 wrote to memory of 2008	1928	7744292984634c7a638686636bca0aa7.exe	JavawsJRE06.exe
PID 1928 wrote to memory of 2008	1928	7744292984634c7a638686636bca0aa7.exe	JavawsJRE06.exe
PID 1928 wrote to memory of 2008	1928	7744292984634c7a638686636bca0aa7.exe	JavawsJRE06.exe
PID 2008 wrote to memory of 1108	2008	JavawsJRE06.exe	JavawsJRE06.exe
PID 2008 wrote to memory of 1108	2008	JavawsJRE06.exe	JavawsJRE06.exe
PID 2008 wrote to memory of 1108	2008	JavawsJRE06.exe	JavawsJRE06.exe
PID 2008 wrote to memory of 1108	2008	JavawsJRE06.exe	JavawsJRE06.exe
PID 2008 wrote to memory of 1108	2008	JavawsJRE06.exe	JavawsJRE06.exe
PID 2008 wrote to memory of 1108	2008	JavawsJRE06.exe	JavawsJRE06.exe
PID 2008 wrote to memory of 1108	2008	JavawsJRE06.exe	JavawsJRE06.exe
PID 2008 wrote to memory of 1108	2008	JavawsJRE06.exe	JavawsJRE06.exe
PID 2008 wrote to memory of 1108	2008	JavawsJRE06.exe	JavawsJRE06.exe
PID 2008 wrote to memory of 1108	2008	JavawsJRE06.exe	JavawsJRE06.exe
PID 2008 wrote to memory of 1108	2008	JavawsJRE06.exe	JavawsJRE06.exe
PID 2008 wrote to memory of 1108	2008	JavawsJRE06.exe	JavawsJRE06.exe
PID 2008 wrote to memory of 1108	2008	JavawsJRE06.exe	JavawsJRE06.exe

C:\Users\Admin\AppData\Local\Temp\7744292984634c7a638686636bca0aa7.exe
"C:\Users\Admin\AppData\Local\Temp\7744292984634c7a638686636bca0aa7.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:644

C:\Users\Admin\AppData\Local\Temp\7744292984634c7a638686636bca0aa7.exe
"C:\Users\Admin\AppData\Local\Temp\7744292984634c7a638686636bca0aa7.exe"
2⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1928

C:\Users\Admin\Documents\Java\JavawsJRE06.exe
"C:\Users\Admin\Documents\Java\JavawsJRE06.exe"
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2008

C:\Users\Admin\Documents\Java\JavawsJRE06.exe
"C:\Users\Admin\Documents\Java\JavawsJRE06.exe"
4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1108

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

Replay Monitor

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Downloads

C:\Users\Admin\Documents\Java\JavawsJRE06.exe
MD5
370f76a9253bd1fa83bb0dc1d22ee657

SHA1
2a3bd7f2cefc1f7097861a816319b4a9f6bf5ec5

SHA256
b906fffb5dfe57a4a0704e2a89803ce0af2f9e6dc16338fab258051f1c8c4c0e

SHA512
ed6609bc1f544a12879cb15fd238dbd0899f1f1469ea4d28f6ebaaf3f286aa1f9aaa13cf8c6adf4afb0908d25316176023bacb5495867a6f93cebff10d9865af

Download Submit
C:\Users\Admin\Documents\Java\JavawsJRE06.exe
MD5
370f76a9253bd1fa83bb0dc1d22ee657

SHA1
2a3bd7f2cefc1f7097861a816319b4a9f6bf5ec5

SHA256
b906fffb5dfe57a4a0704e2a89803ce0af2f9e6dc16338fab258051f1c8c4c0e

SHA512
ed6609bc1f544a12879cb15fd238dbd0899f1f1469ea4d28f6ebaaf3f286aa1f9aaa13cf8c6adf4afb0908d25316176023bacb5495867a6f93cebff10d9865af

Download Submit
C:\Users\Admin\Documents\Java\JavawsJRE06.exe
MD5
370f76a9253bd1fa83bb0dc1d22ee657

SHA1
2a3bd7f2cefc1f7097861a816319b4a9f6bf5ec5

SHA256
b906fffb5dfe57a4a0704e2a89803ce0af2f9e6dc16338fab258051f1c8c4c0e

SHA512
ed6609bc1f544a12879cb15fd238dbd0899f1f1469ea4d28f6ebaaf3f286aa1f9aaa13cf8c6adf4afb0908d25316176023bacb5495867a6f93cebff10d9865af

Download Submit
\Users\Admin\Documents\Java\JavawsJRE06.exe
MD5
370f76a9253bd1fa83bb0dc1d22ee657

SHA1
2a3bd7f2cefc1f7097861a816319b4a9f6bf5ec5

SHA256
b906fffb5dfe57a4a0704e2a89803ce0af2f9e6dc16338fab258051f1c8c4c0e

SHA512
ed6609bc1f544a12879cb15fd238dbd0899f1f1469ea4d28f6ebaaf3f286aa1f9aaa13cf8c6adf4afb0908d25316176023bacb5495867a6f93cebff10d9865af

Download Submit
\Users\Admin\Documents\Java\JavawsJRE06.exe
MD5
370f76a9253bd1fa83bb0dc1d22ee657

SHA1
2a3bd7f2cefc1f7097861a816319b4a9f6bf5ec5

SHA256
b906fffb5dfe57a4a0704e2a89803ce0af2f9e6dc16338fab258051f1c8c4c0e

SHA512
ed6609bc1f544a12879cb15fd238dbd0899f1f1469ea4d28f6ebaaf3f286aa1f9aaa13cf8c6adf4afb0908d25316176023bacb5495867a6f93cebff10d9865af

Download Submit
memory/1108-9-0x0000000000490888-mapping.dmp

Download
memory/1108-11-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1928-0-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1928-1-0x0000000000490888-mapping.dmp

Download
memory/1928-2-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2008-4-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads