darkcomet | 51467d3c9573f5fa9b59c96ec258ebb19dc8600b16d4e85c4eeed73a6d15dbf4

General

Target

JaffaCakes118_846791aebff11969db26239294c34f88.exe
Size

4.1MB
MD5

846791aebff11969db26239294c34f88
SHA1

ba7e48fc79942462b68554ad59ffd447314e5e44
SHA256

51467d3c9573f5fa9b59c96ec258ebb19dc8600b16d4e85c4eeed73a6d15dbf4
SHA512

a900361c8b7bca0695e854e8931f537f864f00745b0038c24079e4f5e65b61ce44b54d6c76433c843deb9d804ecb02a89eb78da3ed0f3b9ef2a88e98bf24e2ee
SSDEEP

49152:PizWiEURQ/0w+abeaaHQmbCfX2QAyO6ysdS+5GfuC7dvBfxARCP:K9EUR7Ke/Zym2O6yUS+5GN5rP

Score

10^/10

darkcomet guest16 discovery rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

192.168.181.52:1604

Mutex

DC_MUTEX-F54S21D

Attributes

gencode
po7GqSwji2v1
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

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_846791aebff11969db26239294c34f88.exe

Drops file in System32 directory 8 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\wzcdlg.dll	JaffaCakes118_846791aebff11969db26239294c34f88.exe
File created	C:\Windows\SysWOW64\wuweb.dll	JaffaCakes118_846791aebff11969db26239294c34f88.exe
File created	C:\Windows\SysWOW64\wups2.dll	JaffaCakes118_846791aebff11969db26239294c34f88.exe
File created	C:\Windows\SysWOW64\X3DAudio1_2.dll	JaffaCakes118_846791aebff11969db26239294c34f88.exe
File created	C:\Windows\SysWOW64\x3daudio1_1.dll	JaffaCakes118_846791aebff11969db26239294c34f88.exe
File created	C:\Windows\SysWOW64\x3daudio1_0.dll	JaffaCakes118_846791aebff11969db26239294c34f88.exe
File created	C:\Windows\SysWOW64\wzcsvc.dll	JaffaCakes118_846791aebff11969db26239294c34f88.exe
File created	C:\Windows\SysWOW64\wzcsapi.dll	JaffaCakes118_846791aebff11969db26239294c34f88.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5608-5-0x0000000000400000-0x00000000008AF000-memory.dmp	upx
behavioral2/memory/5608-10-0x0000000000400000-0x00000000008AF000-memory.dmp	upx

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_846791aebff11969db26239294c34f88.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_846791aebff11969db26239294c34f88.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	JaffaCakes118_846791aebff11969db26239294c34f88.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	JaffaCakes118_846791aebff11969db26239294c34f88.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	JaffaCakes118_846791aebff11969db26239294c34f88.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_846791aebff11969db26239294c34f88.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	5608	JaffaCakes118_846791aebff11969db26239294c34f88.exe
Token: SeSecurityPrivilege	5608	JaffaCakes118_846791aebff11969db26239294c34f88.exe
Token: SeTakeOwnershipPrivilege	5608	JaffaCakes118_846791aebff11969db26239294c34f88.exe
Token: SeLoadDriverPrivilege	5608	JaffaCakes118_846791aebff11969db26239294c34f88.exe
Token: SeSystemProfilePrivilege	5608	JaffaCakes118_846791aebff11969db26239294c34f88.exe
Token: SeSystemtimePrivilege	5608	JaffaCakes118_846791aebff11969db26239294c34f88.exe
Token: SeProfSingleProcessPrivilege	5608	JaffaCakes118_846791aebff11969db26239294c34f88.exe
Token: SeIncBasePriorityPrivilege	5608	JaffaCakes118_846791aebff11969db26239294c34f88.exe
Token: SeCreatePagefilePrivilege	5608	JaffaCakes118_846791aebff11969db26239294c34f88.exe
Token: SeBackupPrivilege	5608	JaffaCakes118_846791aebff11969db26239294c34f88.exe
Token: SeRestorePrivilege	5608	JaffaCakes118_846791aebff11969db26239294c34f88.exe
Token: SeShutdownPrivilege	5608	JaffaCakes118_846791aebff11969db26239294c34f88.exe
Token: SeDebugPrivilege	5608	JaffaCakes118_846791aebff11969db26239294c34f88.exe
Token: SeSystemEnvironmentPrivilege	5608	JaffaCakes118_846791aebff11969db26239294c34f88.exe
Token: SeChangeNotifyPrivilege	5608	JaffaCakes118_846791aebff11969db26239294c34f88.exe
Token: SeRemoteShutdownPrivilege	5608	JaffaCakes118_846791aebff11969db26239294c34f88.exe
Token: SeUndockPrivilege	5608	JaffaCakes118_846791aebff11969db26239294c34f88.exe
Token: SeManageVolumePrivilege	5608	JaffaCakes118_846791aebff11969db26239294c34f88.exe
Token: SeImpersonatePrivilege	5608	JaffaCakes118_846791aebff11969db26239294c34f88.exe
Token: SeCreateGlobalPrivilege	5608	JaffaCakes118_846791aebff11969db26239294c34f88.exe
Token: 33	5608	JaffaCakes118_846791aebff11969db26239294c34f88.exe
Token: 34	5608	JaffaCakes118_846791aebff11969db26239294c34f88.exe
Token: 35	5608	JaffaCakes118_846791aebff11969db26239294c34f88.exe
Token: 36	5608	JaffaCakes118_846791aebff11969db26239294c34f88.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_846791aebff11969db26239294c34f88.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_846791aebff11969db26239294c34f88.exe"
1⤵
- Checks BIOS information in registry
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:5608

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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/5608-5-0x0000000000400000-0x00000000008AF000-memory.dmp

Filesize
4.7MB

Download
memory/5608-9-0x0000000002BA0000-0x0000000002BA1000-memory.dmp

Filesize
4KB

Download
memory/5608-10-0x0000000000400000-0x00000000008AF000-memory.dmp

Filesize
4.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads