darkcomet | 7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba

General

Target

7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe
Size

756KB
MD5

530c49bd38b31f7858a2ae6735defa70
SHA1

56c222a587fc3c14fc64bd249da8499b9172954a
SHA256

7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba
SHA512

6d8558e9afad76308823d8d1fd6a81beb35ef4d3b717dee5d1a4f3e629f7cafdc6eafcc3bc9a385d8e4ed5098cb4f52a664a2301f03589573f4007787ae33f2b
SSDEEP

12288:K9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/h0:GZ1xuVVjfFoynPaVBUR8f+kN10EBW

Score

10^/10

darkcomet hacker evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Hacker

C2

leave1.no-ip.biz:1604

leave1.no-ip.biz:25565

Mutex

DC_MUTEX-SF1AS3Y

Attributes

InstallPath
Adobe.exe
gencode
v3wr0fYZFSSx
install
true
offline_keylogger
true
persistence
true
reg_key
explorer

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:

7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.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\\Local\\Temp\\Adobe.exe"	7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe

Modifies firewall policy service 2 TTPs 3 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

Processes:

Adobe.exe

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

Disables RegEdit via registry modification 1 IoCs

evasion

Processes:

Adobe.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	Adobe.exe

Executes dropped EXE 1 IoCs

Processes:

Adobe.exe

pid process

872 Adobe.exe
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

1360 attrib.exe
1416 attrib.exe

pid	process
872	Adobe.exe

pid	process
1360	attrib.exe
1416	attrib.exe

Loads dropped DLL 2 IoCs

Processes:

7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe

pid	process
1460	7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe
1460	7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exeAdobe.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\explorer = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Adobe.exe"	7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\explorer = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Adobe.exe"	Adobe.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:

Adobe.exe

pid process

872 Adobe.exe

pid	process
872	Adobe.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exeAdobe.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1460	7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe
Token: SeSecurityPrivilege	1460	7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe
Token: SeTakeOwnershipPrivilege	1460	7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe
Token: SeLoadDriverPrivilege	1460	7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe
Token: SeSystemProfilePrivilege	1460	7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe
Token: SeSystemtimePrivilege	1460	7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe
Token: SeProfSingleProcessPrivilege	1460	7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe
Token: SeIncBasePriorityPrivilege	1460	7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe
Token: SeCreatePagefilePrivilege	1460	7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe
Token: SeBackupPrivilege	1460	7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe
Token: SeRestorePrivilege	1460	7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe
Token: SeShutdownPrivilege	1460	7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe
Token: SeDebugPrivilege	1460	7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe
Token: SeSystemEnvironmentPrivilege	1460	7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe
Token: SeChangeNotifyPrivilege	1460	7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe
Token: SeRemoteShutdownPrivilege	1460	7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe
Token: SeUndockPrivilege	1460	7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe
Token: SeManageVolumePrivilege	1460	7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe
Token: SeImpersonatePrivilege	1460	7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe
Token: SeCreateGlobalPrivilege	1460	7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe
Token: 33	1460	7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe
Token: 34	1460	7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe
Token: 35	1460	7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe
Token: SeIncreaseQuotaPrivilege	872	Adobe.exe
Token: SeSecurityPrivilege	872	Adobe.exe
Token: SeTakeOwnershipPrivilege	872	Adobe.exe
Token: SeLoadDriverPrivilege	872	Adobe.exe
Token: SeSystemProfilePrivilege	872	Adobe.exe
Token: SeSystemtimePrivilege	872	Adobe.exe
Token: SeProfSingleProcessPrivilege	872	Adobe.exe
Token: SeIncBasePriorityPrivilege	872	Adobe.exe
Token: SeCreatePagefilePrivilege	872	Adobe.exe
Token: SeBackupPrivilege	872	Adobe.exe
Token: SeRestorePrivilege	872	Adobe.exe
Token: SeShutdownPrivilege	872	Adobe.exe
Token: SeDebugPrivilege	872	Adobe.exe
Token: SeSystemEnvironmentPrivilege	872	Adobe.exe
Token: SeChangeNotifyPrivilege	872	Adobe.exe
Token: SeRemoteShutdownPrivilege	872	Adobe.exe
Token: SeUndockPrivilege	872	Adobe.exe
Token: SeManageVolumePrivilege	872	Adobe.exe
Token: SeImpersonatePrivilege	872	Adobe.exe
Token: SeCreateGlobalPrivilege	872	Adobe.exe
Token: 33	872	Adobe.exe
Token: 34	872	Adobe.exe
Token: 35	872	Adobe.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Adobe.exe

pid process

872 Adobe.exe

pid	process
872	Adobe.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.execmd.execmd.exeAdobe.exe

description	pid	process	target process
PID 1460 wrote to memory of 1312	1460	7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe	cmd.exe
PID 1460 wrote to memory of 1312	1460	7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe	cmd.exe
PID 1460 wrote to memory of 1312	1460	7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe	cmd.exe
PID 1460 wrote to memory of 1312	1460	7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe	cmd.exe
PID 1460 wrote to memory of 1780	1460	7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe	cmd.exe
PID 1460 wrote to memory of 1780	1460	7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe	cmd.exe
PID 1460 wrote to memory of 1780	1460	7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe	cmd.exe
PID 1460 wrote to memory of 1780	1460	7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe	cmd.exe
PID 1312 wrote to memory of 1360	1312	cmd.exe	attrib.exe
PID 1312 wrote to memory of 1360	1312	cmd.exe	attrib.exe
PID 1312 wrote to memory of 1360	1312	cmd.exe	attrib.exe
PID 1312 wrote to memory of 1360	1312	cmd.exe	attrib.exe
PID 1780 wrote to memory of 1416	1780	cmd.exe	attrib.exe
PID 1780 wrote to memory of 1416	1780	cmd.exe	attrib.exe
PID 1780 wrote to memory of 1416	1780	cmd.exe	attrib.exe
PID 1780 wrote to memory of 1416	1780	cmd.exe	attrib.exe
PID 1460 wrote to memory of 872	1460	7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe	Adobe.exe
PID 1460 wrote to memory of 872	1460	7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe	Adobe.exe
PID 1460 wrote to memory of 872	1460	7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe	Adobe.exe
PID 1460 wrote to memory of 872	1460	7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe	Adobe.exe
PID 872 wrote to memory of 320	872	Adobe.exe	notepad.exe
PID 872 wrote to memory of 320	872	Adobe.exe	notepad.exe
PID 872 wrote to memory of 320	872	Adobe.exe	notepad.exe
PID 872 wrote to memory of 320	872	Adobe.exe	notepad.exe
PID 872 wrote to memory of 320	872	Adobe.exe	notepad.exe
PID 872 wrote to memory of 320	872	Adobe.exe	notepad.exe
PID 872 wrote to memory of 320	872	Adobe.exe	notepad.exe
PID 872 wrote to memory of 320	872	Adobe.exe	notepad.exe
PID 872 wrote to memory of 320	872	Adobe.exe	notepad.exe
PID 872 wrote to memory of 320	872	Adobe.exe	notepad.exe
PID 872 wrote to memory of 320	872	Adobe.exe	notepad.exe
PID 872 wrote to memory of 320	872	Adobe.exe	notepad.exe
PID 872 wrote to memory of 320	872	Adobe.exe	notepad.exe
PID 872 wrote to memory of 320	872	Adobe.exe	notepad.exe
PID 872 wrote to memory of 320	872	Adobe.exe	notepad.exe
PID 872 wrote to memory of 320	872	Adobe.exe	notepad.exe
PID 872 wrote to memory of 320	872	Adobe.exe	notepad.exe
PID 872 wrote to memory of 320	872	Adobe.exe	notepad.exe
PID 872 wrote to memory of 320	872	Adobe.exe	notepad.exe
PID 872 wrote to memory of 320	872	Adobe.exe	notepad.exe
PID 872 wrote to memory of 320	872	Adobe.exe	notepad.exe
PID 872 wrote to memory of 320	872	Adobe.exe	notepad.exe
PID 872 wrote to memory of 320	872	Adobe.exe	notepad.exe

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

Processes:

Adobe.exe

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

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exe

pid process

1360 attrib.exe
1416 attrib.exe

pid	process
1360	attrib.exe
1416	attrib.exe

C:\Users\Admin\AppData\Local\Temp\7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe
"C:\Users\Admin\AppData\Local\Temp\7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1460

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe" +s +h
2⤵
- Suspicious use of WriteProcessMemory
PID:1312

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba.exe" +s +h
3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:1360

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:1780

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:1416

C:\Users\Admin\AppData\Local\Temp\Adobe.exe
"C:\Users\Admin\AppData\Local\Temp\Adobe.exe"
2⤵
- Modifies firewall policy service
- Disables RegEdit via registry modification
- Executes dropped EXE
- 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:872

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

4

T1112

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:\Users\Admin\AppData\Local\Temp\Adobe.exe
Filesize
756KB

MD5
530c49bd38b31f7858a2ae6735defa70

SHA1
56c222a587fc3c14fc64bd249da8499b9172954a

SHA256
7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba

SHA512
6d8558e9afad76308823d8d1fd6a81beb35ef4d3b717dee5d1a4f3e629f7cafdc6eafcc3bc9a385d8e4ed5098cb4f52a664a2301f03589573f4007787ae33f2b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Adobe.exe
Filesize
756KB

MD5
530c49bd38b31f7858a2ae6735defa70

SHA1
56c222a587fc3c14fc64bd249da8499b9172954a

SHA256
7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba

SHA512
6d8558e9afad76308823d8d1fd6a81beb35ef4d3b717dee5d1a4f3e629f7cafdc6eafcc3bc9a385d8e4ed5098cb4f52a664a2301f03589573f4007787ae33f2b

Download Submit
\Users\Admin\AppData\Local\Temp\Adobe.exe
Filesize
756KB

MD5
530c49bd38b31f7858a2ae6735defa70

SHA1
56c222a587fc3c14fc64bd249da8499b9172954a

SHA256
7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba

SHA512
6d8558e9afad76308823d8d1fd6a81beb35ef4d3b717dee5d1a4f3e629f7cafdc6eafcc3bc9a385d8e4ed5098cb4f52a664a2301f03589573f4007787ae33f2b

Download Submit
\Users\Admin\AppData\Local\Temp\Adobe.exe
Filesize
756KB

MD5
530c49bd38b31f7858a2ae6735defa70

SHA1
56c222a587fc3c14fc64bd249da8499b9172954a

SHA256
7a39658c3e764db49a93f8246dc600cdd6dfe5472b376ea1f0f50f378c4d5cba

SHA512
6d8558e9afad76308823d8d1fd6a81beb35ef4d3b717dee5d1a4f3e629f7cafdc6eafcc3bc9a385d8e4ed5098cb4f52a664a2301f03589573f4007787ae33f2b

Download Submit
memory/320-65-0x0000000000000000-mapping.dmp

Download
memory/872-61-0x0000000000000000-mapping.dmp

Download
memory/1312-55-0x0000000000000000-mapping.dmp

Download
memory/1360-57-0x0000000000000000-mapping.dmp

Download
memory/1416-58-0x0000000000000000-mapping.dmp

Download
memory/1460-54-0x0000000075831000-0x0000000075833000-memory.dmp

Filesize
8KB

Download
memory/1780-56-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads