darkcomet | 904de454c89e34764e5b9a0389627446b1fd8b00be464abcc798badd8a7b1a44

General

Target

JaffaCakes118_b6e5215ec551821cab64e07f7c735a02.exe
Size

272KB
MD5

b6e5215ec551821cab64e07f7c735a02
SHA1

f2f128709f4098f8074a54d7a9ffea9421b1dda1
SHA256

904de454c89e34764e5b9a0389627446b1fd8b00be464abcc798badd8a7b1a44
SHA512

5dc7133a54b2dd6f6a48ccf8e5fa8bc6f700d48825a19db25919276ca9e02a1464a050fd0888a028f303f76bf5762e81a150c954c78775743f4a052110d0fb6b
SSDEEP

6144:c8z/mxyyh41ilviJwI+DZuGYrFd7HIuAFFfvaw0IF0:62MIw/QGQxHIuALfvaw0IK

Score

10^/10

darkcomet guest16 discovery rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1604

Mutex

DC_MUTEX-F54S21D

Attributes

gencode
9FS7vWAib+w�
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_b6e5215ec551821cab64e07f7c735a02.exe

UPX packed file 15 IoCs

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

upx

resource	yara_rule
behavioral1/memory/668-0-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/668-2-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/668-4-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/668-5-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/668-6-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/668-7-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/668-8-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/668-9-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/668-10-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/668-11-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/668-12-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/668-13-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/668-14-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/668-15-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/668-16-0x0000000000400000-0x00000000004C5000-memory.dmp	upx

Program crash 11 IoCs

pid	pid_target	Process	procid_target
4200	668	WerFault.exe	84
1908	668	WerFault.exe	84
1272	668	WerFault.exe	84
3932	668	WerFault.exe	84
2496	668	WerFault.exe	84
1528	668	WerFault.exe	84
1904	668	WerFault.exe	84
4876	668	WerFault.exe	84
5012	668	WerFault.exe	84
1176	668	WerFault.exe	84
3284	668	WerFault.exe	84

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_b6e5215ec551821cab64e07f7c735a02.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_b6e5215ec551821cab64e07f7c735a02.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	JaffaCakes118_b6e5215ec551821cab64e07f7c735a02.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	JaffaCakes118_b6e5215ec551821cab64e07f7c735a02.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	JaffaCakes118_b6e5215ec551821cab64e07f7c735a02.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_b6e5215ec551821cab64e07f7c735a02.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	668	JaffaCakes118_b6e5215ec551821cab64e07f7c735a02.exe
Token: SeSecurityPrivilege	668	JaffaCakes118_b6e5215ec551821cab64e07f7c735a02.exe
Token: SeTakeOwnershipPrivilege	668	JaffaCakes118_b6e5215ec551821cab64e07f7c735a02.exe
Token: SeLoadDriverPrivilege	668	JaffaCakes118_b6e5215ec551821cab64e07f7c735a02.exe
Token: SeSystemProfilePrivilege	668	JaffaCakes118_b6e5215ec551821cab64e07f7c735a02.exe
Token: SeSystemtimePrivilege	668	JaffaCakes118_b6e5215ec551821cab64e07f7c735a02.exe
Token: SeProfSingleProcessPrivilege	668	JaffaCakes118_b6e5215ec551821cab64e07f7c735a02.exe
Token: SeIncBasePriorityPrivilege	668	JaffaCakes118_b6e5215ec551821cab64e07f7c735a02.exe
Token: SeCreatePagefilePrivilege	668	JaffaCakes118_b6e5215ec551821cab64e07f7c735a02.exe
Token: SeBackupPrivilege	668	JaffaCakes118_b6e5215ec551821cab64e07f7c735a02.exe
Token: SeRestorePrivilege	668	JaffaCakes118_b6e5215ec551821cab64e07f7c735a02.exe
Token: SeShutdownPrivilege	668	JaffaCakes118_b6e5215ec551821cab64e07f7c735a02.exe
Token: SeDebugPrivilege	668	JaffaCakes118_b6e5215ec551821cab64e07f7c735a02.exe
Token: SeSystemEnvironmentPrivilege	668	JaffaCakes118_b6e5215ec551821cab64e07f7c735a02.exe
Token: SeChangeNotifyPrivilege	668	JaffaCakes118_b6e5215ec551821cab64e07f7c735a02.exe
Token: SeRemoteShutdownPrivilege	668	JaffaCakes118_b6e5215ec551821cab64e07f7c735a02.exe
Token: SeUndockPrivilege	668	JaffaCakes118_b6e5215ec551821cab64e07f7c735a02.exe
Token: SeManageVolumePrivilege	668	JaffaCakes118_b6e5215ec551821cab64e07f7c735a02.exe
Token: SeImpersonatePrivilege	668	JaffaCakes118_b6e5215ec551821cab64e07f7c735a02.exe
Token: SeCreateGlobalPrivilege	668	JaffaCakes118_b6e5215ec551821cab64e07f7c735a02.exe
Token: 33	668	JaffaCakes118_b6e5215ec551821cab64e07f7c735a02.exe
Token: 34	668	JaffaCakes118_b6e5215ec551821cab64e07f7c735a02.exe
Token: 35	668	JaffaCakes118_b6e5215ec551821cab64e07f7c735a02.exe
Token: 36	668	JaffaCakes118_b6e5215ec551821cab64e07f7c735a02.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b6e5215ec551821cab64e07f7c735a02.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b6e5215ec551821cab64e07f7c735a02.exe"
1⤵
- 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:668
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 668 -s 660
  2⤵
  - Program crash
  PID:4200
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 668 -s 780
  2⤵
  - Program crash
  PID:1908
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 668 -s 852
  2⤵
  - Program crash
  PID:1272
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 668 -s 860
  2⤵
  - Program crash
  PID:3932
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 668 -s 900
  2⤵
  - Program crash
  PID:2496
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 668 -s 1052
  2⤵
  - Program crash
  PID:1528
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 668 -s 1052
  2⤵
  - Program crash
  PID:1904
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 668 -s 1052
  2⤵
  - Program crash
  PID:4876
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 668 -s 1076
  2⤵
  - Program crash
  PID:5012
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 668 -s 1180
  2⤵
  - Program crash
  PID:1176
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 668 -s 1532
  2⤵
  - Program crash
  PID:3284

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 668 -ip 668
1⤵
PID:1524

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 668 -ip 668
1⤵
PID:4024

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 668 -ip 668
1⤵
PID:1032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 668 -ip 668
1⤵
PID:116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 668 -ip 668
1⤵
PID:1028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 668 -ip 668
1⤵
PID:3296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 668 -ip 668
1⤵
PID:4700

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 592 -p 668 -ip 668
1⤵
PID:1708

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 668 -ip 668
1⤵
PID:4368

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 668 -ip 668
1⤵
PID:2816

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 668 -ip 668
1⤵
PID:1820

Network

MITRE ATT&CK Enterprise v16

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/668-0-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/668-1-0x0000000000B10000-0x0000000000B11000-memory.dmp

Filesize
4KB

Download
memory/668-2-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/668-4-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/668-5-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/668-6-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/668-7-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/668-8-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/668-9-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/668-10-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/668-11-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/668-12-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/668-13-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/668-14-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/668-15-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/668-16-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads