darkcomet | 8f671bd0b76e4386233b6ce6f6835b3d91c37b78cba0e82c8926fb64b8bdd02e

General

Target

JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe
Size

733KB
MD5

84d68ba099bf7d81396670964a1bd7b7
SHA1

29bb85f5027b374c37dc479b7e4517de7ffd8bb7
SHA256

8f671bd0b76e4386233b6ce6f6835b3d91c37b78cba0e82c8926fb64b8bdd02e
SHA512

72b84177442cd34d0ed037401526996399344b1c60e23e94e9194026c6a827bbba008cb4fd8c7ecc66986f8693786c449df4ac939cb5becbfc3797aa2e6b479b
SSDEEP

12288:rpwABK90BOe/x9lPAYvxPQVjdsAY2XjWlnlpTMMXG91uhKIXn/:dwAcu99lPzvxP+Bsz2XjWTRMQckkIXn

Score

10^/10

darkcomet guest16 defense_evasion discovery rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1604

Mutex

DC_MUTEX-2AD3ANP

Attributes

gencode
dSZ%/RV-Q62j
install
false
offline_keylogger
false
persistence
false

rc4.plain

Signatures

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

Modifies firewall policy service 3 TTPs 3 IoCs

defense_evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "1"	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe

Modifies security service 2 TTPs 1 IoCs

defense_evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4"	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe

Windows security bypass 2 TTPs 2 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe

Disables RegEdit via registry modification 1 IoCs

defense_evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe

Disables Task Manager via registry modification
defense_evasion

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe

Windows security modification 2 TTPs 2 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe

Checks processor information in registry 2 TTPs 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3760	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe
Token: SeSecurityPrivilege	3760	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe
Token: SeTakeOwnershipPrivilege	3760	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe
Token: SeLoadDriverPrivilege	3760	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe
Token: SeSystemProfilePrivilege	3760	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe
Token: SeSystemtimePrivilege	3760	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe
Token: SeProfSingleProcessPrivilege	3760	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe
Token: SeIncBasePriorityPrivilege	3760	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe
Token: SeCreatePagefilePrivilege	3760	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe
Token: SeBackupPrivilege	3760	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe
Token: SeRestorePrivilege	3760	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe
Token: SeShutdownPrivilege	3760	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe
Token: SeDebugPrivilege	3760	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe
Token: SeSystemEnvironmentPrivilege	3760	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe
Token: SeChangeNotifyPrivilege	3760	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe
Token: SeRemoteShutdownPrivilege	3760	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe
Token: SeUndockPrivilege	3760	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe
Token: SeManageVolumePrivilege	3760	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe
Token: SeImpersonatePrivilege	3760	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe
Token: SeCreateGlobalPrivilege	3760	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe
Token: 33	3760	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe
Token: 34	3760	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe
Token: 35	3760	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe
Token: 36	3760	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3760 wrote to memory of 2232	3760	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe	87
PID 3760 wrote to memory of 2232	3760	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe	87
PID 3760 wrote to memory of 2232	3760	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe	87

System policy modification 1 TTPs 3 IoCs

defense_evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1"	JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_84d68ba099bf7d81396670964a1bd7b7.exe"
1⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- Checks BIOS information in registry
- Windows security modification
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3760
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\SysWOW64\explorer.exe"
  2⤵
  PID:2232

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Privilege Escalation

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Defense Evasion

Impair Defenses

3

T1562

Disable or Modify System Firewall

1

T1562.004

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3760-0-0x0000000000610000-0x0000000000611000-memory.dmp

Filesize
4KB

Download
memory/3760-1-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/3760-2-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/3760-3-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/3760-4-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/3760-5-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/3760-6-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/3760-7-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/3760-8-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/3760-9-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/3760-10-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/3760-11-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/3760-12-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/3760-13-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/3760-14-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads