darkcomet | 3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b

General

Target

3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe
Size

251KB
MD5

7311b5a44dfce7fb05fbb7a9af3f9e40
SHA1

6580b99ed6ce5ec2257aa7c81cdbe135257807a4
SHA256

3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b
SHA512

05a6f5b5af3c409da7c3b435bfaa519f7aad7362d48b2152ae6a5e0d5f5e0c1f5f37655a41afa47dda771ed1865efb22f2a585702aa498c9a8ebacaa789ded03
SSDEEP

6144:NcNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37dh:NcW7KEZlPzCy37n

Score

10^/10

darkcomet guest16 evasion rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

hnoo17.no-ip.biz:81

Mutex

DC_MUTEX-QRJRZ13

Attributes

gencode
iLoJ9nfDEXca
install
false
offline_keylogger
true
persistence
false

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet

Modifies firewall policy service 2 TTPs 3 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

Processes:

3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe

Modifies security service 2 TTPs 1 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

Processes:

3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4"	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe

Disables RegEdit via registry modification 1 IoCs

evasion

Processes:

3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe

Disables Task Manager via registry modification
evasion
Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exe

pid process

1664 attrib.exe
1640 attrib.exe

pid	process
1664	attrib.exe
1640	attrib.exe

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1652-55-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1652-62-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.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:

3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe

pid process

1652 3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe

pid	process
1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

Processes:

3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe
Token: SeSecurityPrivilege	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe
Token: SeTakeOwnershipPrivilege	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe
Token: SeLoadDriverPrivilege	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe
Token: SeSystemProfilePrivilege	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe
Token: SeSystemtimePrivilege	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe
Token: SeProfSingleProcessPrivilege	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe
Token: SeIncBasePriorityPrivilege	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe
Token: SeCreatePagefilePrivilege	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe
Token: SeBackupPrivilege	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe
Token: SeRestorePrivilege	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe
Token: SeShutdownPrivilege	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe
Token: SeDebugPrivilege	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe
Token: SeSystemEnvironmentPrivilege	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe
Token: SeChangeNotifyPrivilege	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe
Token: SeRemoteShutdownPrivilege	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe
Token: SeUndockPrivilege	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe
Token: SeManageVolumePrivilege	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe
Token: SeImpersonatePrivilege	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe
Token: SeCreateGlobalPrivilege	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe
Token: 33	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe
Token: 34	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe
Token: 35	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe

pid process

1652 3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe

pid	process
1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe

Suspicious use of WriteProcessMemory 39 IoCs

Processes:

3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.execmd.execmd.exe

description	pid	process	target process
PID 1652 wrote to memory of 1816	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe	cmd.exe
PID 1652 wrote to memory of 1816	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe	cmd.exe
PID 1652 wrote to memory of 1816	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe	cmd.exe
PID 1652 wrote to memory of 1816	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe	cmd.exe
PID 1652 wrote to memory of 1580	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe	cmd.exe
PID 1652 wrote to memory of 1580	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe	cmd.exe
PID 1652 wrote to memory of 1580	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe	cmd.exe
PID 1652 wrote to memory of 1580	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe	cmd.exe
PID 1652 wrote to memory of 1584	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe	notepad.exe
PID 1652 wrote to memory of 1584	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe	notepad.exe
PID 1652 wrote to memory of 1584	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe	notepad.exe
PID 1652 wrote to memory of 1584	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe	notepad.exe
PID 1816 wrote to memory of 1664	1816	cmd.exe	attrib.exe
PID 1816 wrote to memory of 1664	1816	cmd.exe	attrib.exe
PID 1816 wrote to memory of 1664	1816	cmd.exe	attrib.exe
PID 1816 wrote to memory of 1664	1816	cmd.exe	attrib.exe
PID 1652 wrote to memory of 1584	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe	notepad.exe
PID 1652 wrote to memory of 1584	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe	notepad.exe
PID 1652 wrote to memory of 1584	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe	notepad.exe
PID 1652 wrote to memory of 1584	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe	notepad.exe
PID 1652 wrote to memory of 1584	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe	notepad.exe
PID 1652 wrote to memory of 1584	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe	notepad.exe
PID 1652 wrote to memory of 1584	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe	notepad.exe
PID 1652 wrote to memory of 1584	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe	notepad.exe
PID 1652 wrote to memory of 1584	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe	notepad.exe
PID 1652 wrote to memory of 1584	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe	notepad.exe
PID 1652 wrote to memory of 1584	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe	notepad.exe
PID 1652 wrote to memory of 1584	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe	notepad.exe
PID 1652 wrote to memory of 1584	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe	notepad.exe
PID 1652 wrote to memory of 1584	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe	notepad.exe
PID 1652 wrote to memory of 1584	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe	notepad.exe
PID 1652 wrote to memory of 1584	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe	notepad.exe
PID 1652 wrote to memory of 1584	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe	notepad.exe
PID 1652 wrote to memory of 1584	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe	notepad.exe
PID 1652 wrote to memory of 1584	1652	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe	notepad.exe
PID 1580 wrote to memory of 1640	1580	cmd.exe	attrib.exe
PID 1580 wrote to memory of 1640	1580	cmd.exe	attrib.exe
PID 1580 wrote to memory of 1640	1580	cmd.exe	attrib.exe
PID 1580 wrote to memory of 1640	1580	cmd.exe	attrib.exe

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

Processes:

3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1"	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern	3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exe

pid process

1664 attrib.exe
1640 attrib.exe

pid	process
1664	attrib.exe
1640	attrib.exe

C:\Users\Admin\AppData\Local\Temp\3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe
"C:\Users\Admin\AppData\Local\Temp\3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe"
1⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- Windows security modification
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1652

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe" +s +h
2⤵
- Suspicious use of WriteProcessMemory
PID:1816

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\3bcd710396553dce718e179868b397a4659bce918f796ceadce61822d7f01c4b.exe" +s +h
3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:1664

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:1580

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:1640

C:\Windows\SysWOW64\notepad.exe
notepad
2⤵
PID:1584

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

2

T1031

Hidden Files and Directories

2

T1158

Privilege Escalation

Defense Evasion

Modify Registry

5

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

memory/1580-57-0x0000000000000000-mapping.dmp

Download
memory/1584-58-0x0000000000000000-mapping.dmp

Download
memory/1640-60-0x0000000000000000-mapping.dmp

Download
memory/1652-54-0x0000000076041000-0x0000000076043000-memory.dmp

Filesize
8KB

Download
memory/1652-55-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1652-62-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1664-59-0x0000000000000000-mapping.dmp

Download
memory/1816-56-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads