darkcomet | bd73ced22c5d2220fa2ca4b3a57a81aa7893a9b004462a39d52a46c2877292fa

General

Target

91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe
Size

596KB
MD5

91d04bbdee50faab284507f33ec1ed4f
SHA1

7090e1b451c4cd94743ba2ae5c2f6cdf80e74767
SHA256

bd73ced22c5d2220fa2ca4b3a57a81aa7893a9b004462a39d52a46c2877292fa
SHA512

713948e4ab3af9205efa1112b4004114249d34c99589e278b9f604fcddf55ff789f792e6ea9a75b3349909706542cac27ad09b37e47103cdfa11e8da39400175
SSDEEP

12288:BRTmfpT8hxa7qU2S5kVAEcZappblWubjeddjIIuvvYm05q5z1n:TTmpTD7FjtHZEblXCdqhvvY5w5xn

Score

10^/10

darkcomet discovery rat trojan upx

Malware Config

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
darkcomet
Drops file in Drivers directory 1 IoCs

Processes:

91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts 91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe
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

Processes:

91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate 91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe

description	pid	process	target process
PID 2544 set thread context of 2760	2544	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe

UPX packed file 25 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2760-3-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/2760-4-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/2760-5-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/2760-7-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/2760-8-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/2760-9-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/2760-10-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/2760-13-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/2760-12-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/2760-14-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/2760-15-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/2760-16-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/2760-17-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/2760-18-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/2760-19-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/2760-20-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/2760-21-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/2760-22-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/2760-23-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/2760-24-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/2760-25-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/2760-26-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/2760-27-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/2760-28-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/2760-29-0x0000000000400000-0x00000000004C5000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 2 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

Processes:

91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.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

Processes:

91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier 91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2760	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe
Token: SeSecurityPrivilege	2760	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2760	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2760	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2760	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2760	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2760	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2760	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2760	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe
Token: SeBackupPrivilege	2760	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe
Token: SeRestorePrivilege	2760	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe
Token: SeShutdownPrivilege	2760	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe
Token: SeDebugPrivilege	2760	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2760	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2760	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2760	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe
Token: SeUndockPrivilege	2760	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2760	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2760	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2760	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe
Token: 33	2760	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe
Token: 34	2760	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe
Token: 35	2760	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe
Token: 36	2760	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe

pid process

2544 91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe

pid	process
2544	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe

description	pid	process	target process
PID 2544 wrote to memory of 2760	2544	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe
PID 2544 wrote to memory of 2760	2544	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe
PID 2544 wrote to memory of 2760	2544	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe
PID 2544 wrote to memory of 2760	2544	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe
PID 2544 wrote to memory of 2760	2544	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe
PID 2544 wrote to memory of 2760	2544	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe
PID 2544 wrote to memory of 2760	2544	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe
PID 2544 wrote to memory of 2760	2544	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe	91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2544
- C:\Users\Admin\AppData\Local\Temp\91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\91d04bbdee50faab284507f33ec1ed4f_JaffaCakes118.exe
  2⤵
  - Drops file in Drivers directory
  - Checks BIOS information in registry
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:2760

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

Replay Monitor

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Downloads

memory/2544-6-0x0000000000400000-0x0000000000496000-memory.dmp

Filesize
600KB

Download
memory/2544-0-0x0000000000400000-0x0000000000496000-memory.dmp

Filesize
600KB

Download
memory/2760-15-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2760-8-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2760-17-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2760-7-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2760-18-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2760-9-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2760-10-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2760-19-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2760-12-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2760-14-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2760-3-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2760-16-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2760-4-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2760-5-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2760-13-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2760-20-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2760-21-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2760-22-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2760-23-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2760-24-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2760-25-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2760-26-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2760-27-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2760-28-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2760-29-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads