darkcomet | 65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2

General

Target

65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exe
Size

253KB
MD5

1e3df53f02b103486c1a7bfab4c8281c
SHA1

68954874ab932ca885cdde3a5f4102dee272fdc5
SHA256

65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2
SHA512

8c9f119c76f8cdef31355b9db00792551f8b376f9fe029985f91c4cd519e283cfde09ac7bee7abf55c789f629da6a9022b2c4e6bd9e3d8e096db39f413134296

Score

10^/10

darkcomet evasion persistence rat trojan upx

Malware Config

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:

65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.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\\Roaming\\Microsîft\\svchost.exe"	65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exe

Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

504 svchost.exe
Sets file to hidden 1 TTPs
Modifies file attributes to stop it showing in Explorer etc.
evasion

Hidden Files and Directories
T1158

pid	process
504	svchost.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\Microsîft\svchost.exe	upx
C:\Users\Admin\AppData\Roaming\Microsîft\svchost.exe	upx

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Control Panel\International\Geo\Nation	65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exesvchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\Microsîft\\svchost.exe"	65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\Microsîft\\svchost.exe"	svchost.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

Processes:

65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance	65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

svchost.exe

pid process

504 svchost.exe

pid	process
504	svchost.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exesvchost.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2780	65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exe
Token: SeSecurityPrivilege	2780	65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exe
Token: SeTakeOwnershipPrivilege	2780	65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exe
Token: SeLoadDriverPrivilege	2780	65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exe
Token: SeSystemProfilePrivilege	2780	65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exe
Token: SeSystemtimePrivilege	2780	65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exe
Token: SeProfSingleProcessPrivilege	2780	65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exe
Token: SeIncBasePriorityPrivilege	2780	65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exe
Token: SeCreatePagefilePrivilege	2780	65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exe
Token: SeBackupPrivilege	2780	65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exe
Token: SeRestorePrivilege	2780	65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exe
Token: SeShutdownPrivilege	2780	65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exe
Token: SeDebugPrivilege	2780	65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exe
Token: SeSystemEnvironmentPrivilege	2780	65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exe
Token: SeChangeNotifyPrivilege	2780	65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exe
Token: SeRemoteShutdownPrivilege	2780	65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exe
Token: SeUndockPrivilege	2780	65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exe
Token: SeManageVolumePrivilege	2780	65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exe
Token: SeImpersonatePrivilege	2780	65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exe
Token: SeCreateGlobalPrivilege	2780	65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exe
Token: 33	2780	65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exe
Token: 34	2780	65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exe
Token: 35	2780	65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exe
Token: 36	2780	65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exe
Token: SeIncreaseQuotaPrivilege	504	svchost.exe
Token: SeSecurityPrivilege	504	svchost.exe
Token: SeTakeOwnershipPrivilege	504	svchost.exe
Token: SeLoadDriverPrivilege	504	svchost.exe
Token: SeSystemProfilePrivilege	504	svchost.exe
Token: SeSystemtimePrivilege	504	svchost.exe
Token: SeProfSingleProcessPrivilege	504	svchost.exe
Token: SeIncBasePriorityPrivilege	504	svchost.exe
Token: SeCreatePagefilePrivilege	504	svchost.exe
Token: SeBackupPrivilege	504	svchost.exe
Token: SeRestorePrivilege	504	svchost.exe
Token: SeShutdownPrivilege	504	svchost.exe
Token: SeDebugPrivilege	504	svchost.exe
Token: SeSystemEnvironmentPrivilege	504	svchost.exe
Token: SeChangeNotifyPrivilege	504	svchost.exe
Token: SeRemoteShutdownPrivilege	504	svchost.exe
Token: SeUndockPrivilege	504	svchost.exe
Token: SeManageVolumePrivilege	504	svchost.exe
Token: SeImpersonatePrivilege	504	svchost.exe
Token: SeCreateGlobalPrivilege	504	svchost.exe
Token: 33	504	svchost.exe
Token: 34	504	svchost.exe
Token: 35	504	svchost.exe
Token: 36	504	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

svchost.exe

pid process

504 svchost.exe

pid	process
504	svchost.exe

Suspicious use of WriteProcessMemory 31 IoCs

Processes:

65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.execmd.exesvchost.exe

description	pid	process	target process
PID 2780 wrote to memory of 3148	2780	65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exe	cmd.exe
PID 2780 wrote to memory of 3148	2780	65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exe	cmd.exe
PID 2780 wrote to memory of 3148	2780	65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exe	cmd.exe
PID 3148 wrote to memory of 1020	3148	cmd.exe	attrib.exe
PID 3148 wrote to memory of 1020	3148	cmd.exe	attrib.exe
PID 3148 wrote to memory of 1020	3148	cmd.exe	attrib.exe
PID 2780 wrote to memory of 504	2780	65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exe	svchost.exe
PID 2780 wrote to memory of 504	2780	65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exe	svchost.exe
PID 2780 wrote to memory of 504	2780	65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exe	svchost.exe
PID 504 wrote to memory of 1396	504	svchost.exe	notepad.exe
PID 504 wrote to memory of 1396	504	svchost.exe	notepad.exe
PID 504 wrote to memory of 1396	504	svchost.exe	notepad.exe
PID 504 wrote to memory of 1396	504	svchost.exe	notepad.exe
PID 504 wrote to memory of 1396	504	svchost.exe	notepad.exe
PID 504 wrote to memory of 1396	504	svchost.exe	notepad.exe
PID 504 wrote to memory of 1396	504	svchost.exe	notepad.exe
PID 504 wrote to memory of 1396	504	svchost.exe	notepad.exe
PID 504 wrote to memory of 1396	504	svchost.exe	notepad.exe
PID 504 wrote to memory of 1396	504	svchost.exe	notepad.exe
PID 504 wrote to memory of 1396	504	svchost.exe	notepad.exe
PID 504 wrote to memory of 1396	504	svchost.exe	notepad.exe
PID 504 wrote to memory of 1396	504	svchost.exe	notepad.exe
PID 504 wrote to memory of 1396	504	svchost.exe	notepad.exe
PID 504 wrote to memory of 1396	504	svchost.exe	notepad.exe
PID 504 wrote to memory of 1396	504	svchost.exe	notepad.exe
PID 504 wrote to memory of 1396	504	svchost.exe	notepad.exe
PID 504 wrote to memory of 1396	504	svchost.exe	notepad.exe
PID 504 wrote to memory of 1396	504	svchost.exe	notepad.exe
PID 504 wrote to memory of 1396	504	svchost.exe	notepad.exe
PID 504 wrote to memory of 1396	504	svchost.exe	notepad.exe
PID 504 wrote to memory of 1396	504	svchost.exe	notepad.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

1020 attrib.exe

pid	process
1020	attrib.exe

C:\Users\Admin\AppData\Local\Temp\65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exe
"C:\Users\Admin\AppData\Local\Temp\65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2780

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:3148

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
3⤵
- Views/modifies file attributes
PID:1020

C:\Users\Admin\AppData\Roaming\Microsîft\svchost.exe
"C:\Users\Admin\AppData\Roaming\Microsîft\svchost.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:504

C:\Windows\SysWOW64\notepad.exe
notepad
3⤵
PID:1396

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsîft\svchost.exe
MD5
1e3df53f02b103486c1a7bfab4c8281c

SHA1
68954874ab932ca885cdde3a5f4102dee272fdc5

SHA256
65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2

SHA512
8c9f119c76f8cdef31355b9db00792551f8b376f9fe029985f91c4cd519e283cfde09ac7bee7abf55c789f629da6a9022b2c4e6bd9e3d8e096db39f413134296

Download Submit
C:\Users\Admin\AppData\Roaming\Microsîft\svchost.exe
MD5
1e3df53f02b103486c1a7bfab4c8281c

SHA1
68954874ab932ca885cdde3a5f4102dee272fdc5

SHA256
65090baf82e20c9e32615031d3dfb12b483ba4a1a2f8a4d226cc8aae8b7762b2

SHA512
8c9f119c76f8cdef31355b9db00792551f8b376f9fe029985f91c4cd519e283cfde09ac7bee7abf55c789f629da6a9022b2c4e6bd9e3d8e096db39f413134296

Download Submit
memory/504-121-0x00000000004C0000-0x000000000060A000-memory.dmp

Filesize
1.3MB

Download
memory/1396-122-0x00000000024C0000-0x000000000256E000-memory.dmp

Filesize
696KB

Download
memory/2780-118-0x0000000000590000-0x00000000006DA000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads