darkcomet | 8eb3881ba7d320c0760042529414e8ee87b8bfc648c34d87dd36ed854b0c8b7b

General

Target

csgocheat.exe
Size

692KB
MD5

2308cedb77f66e4a821d57e8ee1e08a5
SHA1

42ddaf9aef498e366fecdad6b2acbbe9d9d0d47c
SHA256

8eb3881ba7d320c0760042529414e8ee87b8bfc648c34d87dd36ed854b0c8b7b
SHA512

ad91461e7e5747a8815015c910f84720bd90cf520a39dcc01cd75c5a8840a8beda9969de2c5e8778cac5d863bf11fcb6c0c946c81b4a3ed43792ca0202264f77

Score

10^/10

darkcomet njrat gg nyan cat evasion persistence rat trojan

Malware Config

Extracted

Family

njrat

Version

0.7NC

Botnet

NYAN CAT

C2

secret92.ddns.net:8082

Mutex

0c3398f1458

Attributes

reg_key
0c3398f1458
splitter
@!#&^%$

Extracted

Family

darkcomet

Botnet

GG

C2

secret92.ddns.net:82

Mutex

DC_MUTEX-A6ET8RQ

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
oqyLUmi211Cb
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:

csgocheat.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe"	csgocheat.exe

Modifies security service 2 TTPs 1 IoCs
evasion

Modify Registry
T1112

Modify Existing Service
T1031

Processes:

msdcsc.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" msdcsc.exe
Windows security bypass 2 TTPs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

NJ.EXEmsdcsc.exe

pid process

1752 NJ.EXE
1444 msdcsc.exe
Sets file to hidden 1 TTPs
Modifies file attributes to stop it showing in Explorer etc.
evasion

Hidden Files and Directories
T1158
Deletes itself 1 IoCs

Processes:

notepad.exe

pid process

860 notepad.exe
Loads dropped DLL 4 IoCs

Processes:

csgocheat.exe

pid process

1032 csgocheat.exe
1032 csgocheat.exe
1032 csgocheat.exe
1032 csgocheat.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4"	msdcsc.exe

pid	process
1752	NJ.EXE
1444	msdcsc.exe

pid	process
860	notepad.exe

pid	process
1032	csgocheat.exe
1032	csgocheat.exe
1032	csgocheat.exe
1032	csgocheat.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

msdcsc.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	msdcsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	msdcsc.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

csgocheat.exemsdcsc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe"	csgocheat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\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
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

msdcsc.exe

pid process

1444 msdcsc.exe

pid	process
1444	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

csgocheat.exemsdcsc.exeNJ.EXE

description	pid	process
Token: SeIncreaseQuotaPrivilege	1032	csgocheat.exe
Token: SeSecurityPrivilege	1032	csgocheat.exe
Token: SeTakeOwnershipPrivilege	1032	csgocheat.exe
Token: SeLoadDriverPrivilege	1032	csgocheat.exe
Token: SeSystemProfilePrivilege	1032	csgocheat.exe
Token: SeSystemtimePrivilege	1032	csgocheat.exe
Token: SeProfSingleProcessPrivilege	1032	csgocheat.exe
Token: SeIncBasePriorityPrivilege	1032	csgocheat.exe
Token: SeCreatePagefilePrivilege	1032	csgocheat.exe
Token: SeBackupPrivilege	1032	csgocheat.exe
Token: SeRestorePrivilege	1032	csgocheat.exe
Token: SeShutdownPrivilege	1032	csgocheat.exe
Token: SeDebugPrivilege	1032	csgocheat.exe
Token: SeSystemEnvironmentPrivilege	1032	csgocheat.exe
Token: SeChangeNotifyPrivilege	1032	csgocheat.exe
Token: SeRemoteShutdownPrivilege	1032	csgocheat.exe
Token: SeUndockPrivilege	1032	csgocheat.exe
Token: SeManageVolumePrivilege	1032	csgocheat.exe
Token: SeImpersonatePrivilege	1032	csgocheat.exe
Token: SeCreateGlobalPrivilege	1032	csgocheat.exe
Token: 33	1032	csgocheat.exe
Token: 34	1032	csgocheat.exe
Token: 35	1032	csgocheat.exe
Token: SeIncreaseQuotaPrivilege	1444	msdcsc.exe
Token: SeSecurityPrivilege	1444	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1444	msdcsc.exe
Token: SeLoadDriverPrivilege	1444	msdcsc.exe
Token: SeSystemProfilePrivilege	1444	msdcsc.exe
Token: SeSystemtimePrivilege	1444	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1444	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1444	msdcsc.exe
Token: SeCreatePagefilePrivilege	1444	msdcsc.exe
Token: SeBackupPrivilege	1444	msdcsc.exe
Token: SeRestorePrivilege	1444	msdcsc.exe
Token: SeShutdownPrivilege	1444	msdcsc.exe
Token: SeDebugPrivilege	1444	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1444	msdcsc.exe
Token: SeChangeNotifyPrivilege	1444	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1444	msdcsc.exe
Token: SeUndockPrivilege	1444	msdcsc.exe
Token: SeManageVolumePrivilege	1444	msdcsc.exe
Token: SeImpersonatePrivilege	1444	msdcsc.exe
Token: SeCreateGlobalPrivilege	1444	msdcsc.exe
Token: 33	1444	msdcsc.exe
Token: 34	1444	msdcsc.exe
Token: 35	1444	msdcsc.exe
Token: SeDebugPrivilege	1752	NJ.EXE
Token: 33	1752	NJ.EXE
Token: SeIncBasePriorityPrivilege	1752	NJ.EXE
Token: 33	1752	NJ.EXE
Token: SeIncBasePriorityPrivilege	1752	NJ.EXE
Token: 33	1752	NJ.EXE
Token: SeIncBasePriorityPrivilege	1752	NJ.EXE
Token: 33	1752	NJ.EXE
Token: SeIncBasePriorityPrivilege	1752	NJ.EXE
Token: 33	1752	NJ.EXE
Token: SeIncBasePriorityPrivilege	1752	NJ.EXE
Token: 33	1752	NJ.EXE
Token: SeIncBasePriorityPrivilege	1752	NJ.EXE
Token: 33	1752	NJ.EXE
Token: SeIncBasePriorityPrivilege	1752	NJ.EXE
Token: 33	1752	NJ.EXE
Token: SeIncBasePriorityPrivilege	1752	NJ.EXE
Token: 33	1752	NJ.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid process

1444 msdcsc.exe

pid	process
1444	msdcsc.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

csgocheat.execmd.execmd.exemsdcsc.exe

description	pid	process	target process
PID 1032 wrote to memory of 1972	1032	csgocheat.exe	cmd.exe
PID 1032 wrote to memory of 1972	1032	csgocheat.exe	cmd.exe
PID 1032 wrote to memory of 1972	1032	csgocheat.exe	cmd.exe
PID 1032 wrote to memory of 1972	1032	csgocheat.exe	cmd.exe
PID 1032 wrote to memory of 1260	1032	csgocheat.exe	cmd.exe
PID 1032 wrote to memory of 1260	1032	csgocheat.exe	cmd.exe
PID 1032 wrote to memory of 1260	1032	csgocheat.exe	cmd.exe
PID 1032 wrote to memory of 1260	1032	csgocheat.exe	cmd.exe
PID 1972 wrote to memory of 1764	1972	cmd.exe	attrib.exe
PID 1972 wrote to memory of 1764	1972	cmd.exe	attrib.exe
PID 1972 wrote to memory of 1764	1972	cmd.exe	attrib.exe
PID 1972 wrote to memory of 1764	1972	cmd.exe	attrib.exe
PID 1032 wrote to memory of 1752	1032	csgocheat.exe	NJ.EXE
PID 1032 wrote to memory of 1752	1032	csgocheat.exe	NJ.EXE
PID 1032 wrote to memory of 1752	1032	csgocheat.exe	NJ.EXE
PID 1032 wrote to memory of 1752	1032	csgocheat.exe	NJ.EXE
PID 1260 wrote to memory of 1312	1260	cmd.exe	attrib.exe
PID 1260 wrote to memory of 1312	1260	cmd.exe	attrib.exe
PID 1260 wrote to memory of 1312	1260	cmd.exe	attrib.exe
PID 1260 wrote to memory of 1312	1260	cmd.exe	attrib.exe
PID 1032 wrote to memory of 860	1032	csgocheat.exe	notepad.exe
PID 1032 wrote to memory of 860	1032	csgocheat.exe	notepad.exe
PID 1032 wrote to memory of 860	1032	csgocheat.exe	notepad.exe
PID 1032 wrote to memory of 860	1032	csgocheat.exe	notepad.exe
PID 1032 wrote to memory of 860	1032	csgocheat.exe	notepad.exe
PID 1032 wrote to memory of 860	1032	csgocheat.exe	notepad.exe
PID 1032 wrote to memory of 860	1032	csgocheat.exe	notepad.exe
PID 1032 wrote to memory of 860	1032	csgocheat.exe	notepad.exe
PID 1032 wrote to memory of 860	1032	csgocheat.exe	notepad.exe
PID 1032 wrote to memory of 860	1032	csgocheat.exe	notepad.exe
PID 1032 wrote to memory of 860	1032	csgocheat.exe	notepad.exe
PID 1032 wrote to memory of 860	1032	csgocheat.exe	notepad.exe
PID 1032 wrote to memory of 860	1032	csgocheat.exe	notepad.exe
PID 1032 wrote to memory of 860	1032	csgocheat.exe	notepad.exe
PID 1032 wrote to memory of 860	1032	csgocheat.exe	notepad.exe
PID 1032 wrote to memory of 860	1032	csgocheat.exe	notepad.exe
PID 1032 wrote to memory of 860	1032	csgocheat.exe	notepad.exe
PID 1032 wrote to memory of 860	1032	csgocheat.exe	notepad.exe
PID 1032 wrote to memory of 1444	1032	csgocheat.exe	msdcsc.exe
PID 1032 wrote to memory of 1444	1032	csgocheat.exe	msdcsc.exe
PID 1032 wrote to memory of 1444	1032	csgocheat.exe	msdcsc.exe
PID 1032 wrote to memory of 1444	1032	csgocheat.exe	msdcsc.exe
PID 1444 wrote to memory of 320	1444	msdcsc.exe	notepad.exe
PID 1444 wrote to memory of 320	1444	msdcsc.exe	notepad.exe
PID 1444 wrote to memory of 320	1444	msdcsc.exe	notepad.exe
PID 1444 wrote to memory of 320	1444	msdcsc.exe	notepad.exe
PID 1444 wrote to memory of 320	1444	msdcsc.exe	notepad.exe
PID 1444 wrote to memory of 320	1444	msdcsc.exe	notepad.exe
PID 1444 wrote to memory of 320	1444	msdcsc.exe	notepad.exe
PID 1444 wrote to memory of 320	1444	msdcsc.exe	notepad.exe
PID 1444 wrote to memory of 320	1444	msdcsc.exe	notepad.exe
PID 1444 wrote to memory of 320	1444	msdcsc.exe	notepad.exe
PID 1444 wrote to memory of 320	1444	msdcsc.exe	notepad.exe
PID 1444 wrote to memory of 320	1444	msdcsc.exe	notepad.exe
PID 1444 wrote to memory of 320	1444	msdcsc.exe	notepad.exe
PID 1444 wrote to memory of 320	1444	msdcsc.exe	notepad.exe
PID 1444 wrote to memory of 320	1444	msdcsc.exe	notepad.exe
PID 1444 wrote to memory of 320	1444	msdcsc.exe	notepad.exe
PID 1444 wrote to memory of 320	1444	msdcsc.exe	notepad.exe
PID 1444 wrote to memory of 320	1444	msdcsc.exe	notepad.exe
PID 1444 wrote to memory of 320	1444	msdcsc.exe	notepad.exe
PID 1444 wrote to memory of 320	1444	msdcsc.exe	notepad.exe
PID 1444 wrote to memory of 320	1444	msdcsc.exe	notepad.exe
PID 1444 wrote to memory of 320	1444	msdcsc.exe	notepad.exe

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

Processes:

msdcsc.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion	msdcsc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern	msdcsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1"	msdcsc.exe

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exe

pid process

1764 attrib.exe
1312 attrib.exe

pid	process
1764	attrib.exe
1312	attrib.exe

C:\Users\Admin\AppData\Local\Temp\csgocheat.exe
"C:\Users\Admin\AppData\Local\Temp\csgocheat.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1032

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\csgocheat.exe" +s +h
2⤵
- Suspicious use of WriteProcessMemory
PID:1972

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\csgocheat.exe" +s +h
3⤵
- Views/modifies file attributes
PID:1764

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:1260

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
3⤵
- Views/modifies file attributes
PID:1312

C:\Users\Admin\AppData\Local\Temp\NJ.EXE
"C:\Users\Admin\AppData\Local\Temp\NJ.EXE"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1752

C:\Windows\SysWOW64\notepad.exe
notepad
2⤵
- Deletes itself
PID:860

C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe
"C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe"
2⤵
- Modifies security service
- Executes dropped EXE
- Windows security modification
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1444

C:\Windows\SysWOW64\notepad.exe
notepad
3⤵
PID:320

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Modify Existing Service

1

T1031

Hidden Files and Directories

2

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

6

T1112

Disabling Security Tools

2

T1089

Hidden Files and Directories

2

T1158

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe
MD5
2308cedb77f66e4a821d57e8ee1e08a5

SHA1
42ddaf9aef498e366fecdad6b2acbbe9d9d0d47c

SHA256
8eb3881ba7d320c0760042529414e8ee87b8bfc648c34d87dd36ed854b0c8b7b

SHA512
ad91461e7e5747a8815015c910f84720bd90cf520a39dcc01cd75c5a8840a8beda9969de2c5e8778cac5d863bf11fcb6c0c946c81b4a3ed43792ca0202264f77

Download Submit
C:\Users\Admin\AppData\Local\Temp\NJ.EXE
MD5
7033b44842fd35925e857497f9cb1653

SHA1
0db1543f4af1b37e9d3d93b75f5d8329d6337b3f

SHA256
381bc1886d534d20d33107d09b09fd7e4fffba102c0314b6d8359be5ebb6231f

SHA512
f74abf39181aa65068740d99968d503ce96bd2dc3c2a0a7251422204c7cda0aa54bc20edce2b37b264348cf97594ed3f99a31028a1eb9e17fd81b4ba4453de0f

Download Submit
C:\Users\Admin\AppData\Local\Temp\NJ.EXE
MD5
7033b44842fd35925e857497f9cb1653

SHA1
0db1543f4af1b37e9d3d93b75f5d8329d6337b3f

SHA256
381bc1886d534d20d33107d09b09fd7e4fffba102c0314b6d8359be5ebb6231f

SHA512
f74abf39181aa65068740d99968d503ce96bd2dc3c2a0a7251422204c7cda0aa54bc20edce2b37b264348cf97594ed3f99a31028a1eb9e17fd81b4ba4453de0f

Download Submit
\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe
MD5
2308cedb77f66e4a821d57e8ee1e08a5

SHA1
42ddaf9aef498e366fecdad6b2acbbe9d9d0d47c

SHA256
8eb3881ba7d320c0760042529414e8ee87b8bfc648c34d87dd36ed854b0c8b7b

SHA512
ad91461e7e5747a8815015c910f84720bd90cf520a39dcc01cd75c5a8840a8beda9969de2c5e8778cac5d863bf11fcb6c0c946c81b4a3ed43792ca0202264f77

Download Submit
\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe
MD5
2308cedb77f66e4a821d57e8ee1e08a5

SHA1
42ddaf9aef498e366fecdad6b2acbbe9d9d0d47c

SHA256
8eb3881ba7d320c0760042529414e8ee87b8bfc648c34d87dd36ed854b0c8b7b

SHA512
ad91461e7e5747a8815015c910f84720bd90cf520a39dcc01cd75c5a8840a8beda9969de2c5e8778cac5d863bf11fcb6c0c946c81b4a3ed43792ca0202264f77

Download Submit
\Users\Admin\AppData\Local\Temp\NJ.EXE
MD5
7033b44842fd35925e857497f9cb1653

SHA1
0db1543f4af1b37e9d3d93b75f5d8329d6337b3f

SHA256
381bc1886d534d20d33107d09b09fd7e4fffba102c0314b6d8359be5ebb6231f

SHA512
f74abf39181aa65068740d99968d503ce96bd2dc3c2a0a7251422204c7cda0aa54bc20edce2b37b264348cf97594ed3f99a31028a1eb9e17fd81b4ba4453de0f

Download Submit
\Users\Admin\AppData\Local\Temp\NJ.EXE
MD5
7033b44842fd35925e857497f9cb1653

SHA1
0db1543f4af1b37e9d3d93b75f5d8329d6337b3f

SHA256
381bc1886d534d20d33107d09b09fd7e4fffba102c0314b6d8359be5ebb6231f

SHA512
f74abf39181aa65068740d99968d503ce96bd2dc3c2a0a7251422204c7cda0aa54bc20edce2b37b264348cf97594ed3f99a31028a1eb9e17fd81b4ba4453de0f

Download Submit
memory/320-80-0x0000000000000000-mapping.dmp

Download
memory/320-84-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/860-82-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/860-73-0x0000000000000000-mapping.dmp

Download
memory/1032-60-0x0000000075591000-0x0000000075593000-memory.dmp

Filesize
8KB

Download
memory/1032-71-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1260-62-0x0000000000000000-mapping.dmp

Download
memory/1312-68-0x0000000000000000-mapping.dmp

Download
memory/1444-77-0x0000000000000000-mapping.dmp

Download
memory/1444-83-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/1752-72-0x0000000001EC0000-0x0000000001EC1000-memory.dmp

Filesize
4KB

Download
memory/1752-66-0x0000000000000000-mapping.dmp

Download
memory/1764-63-0x0000000000000000-mapping.dmp

Download
memory/1972-61-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads