darkcomet | b7489821fb698832a52828d5f8667691ceb13d3dc5c00ed53b97a5f7bdc453e9

General

Target

3a0965c3dc981b3b69a4faefb06f8d5a_JaffaCakes118.exe
Size

604KB
MD5

3a0965c3dc981b3b69a4faefb06f8d5a
SHA1

73b78a58bb6b12761b95e1e0a34fc8f2a12d6087
SHA256

b7489821fb698832a52828d5f8667691ceb13d3dc5c00ed53b97a5f7bdc453e9
SHA512

9e2a2db7476122c3167e2ed26c17e9817ed8186e4ca5210b58b32f8e7636d133e9d148503f05ac70530b4be022aa633925c65fd158eab6d2fb8bf5ddb4661970
SSDEEP

12288:PaXHJofJsWD7nWiPnAPJa3/6iJNyTpLp/D5SLPytXvzBsOCK8x3EpWyO:y3JoREiPn56iJ2pEyPsOWUC

Score

10^/10

darkcomet discovery persistence rat trojan

Malware Config

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
2948	svchost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System Service = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Service.exe"	3a0965c3dc981b3b69a4faefb06f8d5a_JaffaCakes118.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	3a0965c3dc981b3b69a4faefb06f8d5a_JaffaCakes118.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	3a0965c3dc981b3b69a4faefb06f8d5a_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4392 set thread context of 2948	4392	3a0965c3dc981b3b69a4faefb06f8d5a_JaffaCakes118.exe	86

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	3a0965c3dc981b3b69a4faefb06f8d5a_JaffaCakes118.exe
File created	C:\Windows\assembly\Desktop.ini	3a0965c3dc981b3b69a4faefb06f8d5a_JaffaCakes118.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	3a0965c3dc981b3b69a4faefb06f8d5a_JaffaCakes118.exe

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3a0965c3dc981b3b69a4faefb06f8d5a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2948	svchost.exe
Token: SeSecurityPrivilege	2948	svchost.exe
Token: SeTakeOwnershipPrivilege	2948	svchost.exe
Token: SeLoadDriverPrivilege	2948	svchost.exe
Token: SeSystemProfilePrivilege	2948	svchost.exe
Token: SeSystemtimePrivilege	2948	svchost.exe
Token: SeProfSingleProcessPrivilege	2948	svchost.exe
Token: SeIncBasePriorityPrivilege	2948	svchost.exe
Token: SeCreatePagefilePrivilege	2948	svchost.exe
Token: SeBackupPrivilege	2948	svchost.exe
Token: SeRestorePrivilege	2948	svchost.exe
Token: SeShutdownPrivilege	2948	svchost.exe
Token: SeDebugPrivilege	2948	svchost.exe
Token: SeSystemEnvironmentPrivilege	2948	svchost.exe
Token: SeChangeNotifyPrivilege	2948	svchost.exe
Token: SeRemoteShutdownPrivilege	2948	svchost.exe
Token: SeUndockPrivilege	2948	svchost.exe
Token: SeManageVolumePrivilege	2948	svchost.exe
Token: SeImpersonatePrivilege	2948	svchost.exe
Token: SeCreateGlobalPrivilege	2948	svchost.exe
Token: 33	2948	svchost.exe
Token: 34	2948	svchost.exe
Token: 35	2948	svchost.exe
Token: 36	2948	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2948	svchost.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4392 wrote to memory of 2948	4392	3a0965c3dc981b3b69a4faefb06f8d5a_JaffaCakes118.exe	86
PID 4392 wrote to memory of 2948	4392	3a0965c3dc981b3b69a4faefb06f8d5a_JaffaCakes118.exe	86
PID 4392 wrote to memory of 2948	4392	3a0965c3dc981b3b69a4faefb06f8d5a_JaffaCakes118.exe	86
PID 4392 wrote to memory of 2948	4392	3a0965c3dc981b3b69a4faefb06f8d5a_JaffaCakes118.exe	86
PID 4392 wrote to memory of 2948	4392	3a0965c3dc981b3b69a4faefb06f8d5a_JaffaCakes118.exe	86
PID 4392 wrote to memory of 2948	4392	3a0965c3dc981b3b69a4faefb06f8d5a_JaffaCakes118.exe	86
PID 4392 wrote to memory of 2948	4392	3a0965c3dc981b3b69a4faefb06f8d5a_JaffaCakes118.exe	86
PID 4392 wrote to memory of 2948	4392	3a0965c3dc981b3b69a4faefb06f8d5a_JaffaCakes118.exe	86
PID 4392 wrote to memory of 2948	4392	3a0965c3dc981b3b69a4faefb06f8d5a_JaffaCakes118.exe	86
PID 4392 wrote to memory of 2948	4392	3a0965c3dc981b3b69a4faefb06f8d5a_JaffaCakes118.exe	86
PID 4392 wrote to memory of 2948	4392	3a0965c3dc981b3b69a4faefb06f8d5a_JaffaCakes118.exe	86
PID 4392 wrote to memory of 2948	4392	3a0965c3dc981b3b69a4faefb06f8d5a_JaffaCakes118.exe	86
PID 4392 wrote to memory of 2948	4392	3a0965c3dc981b3b69a4faefb06f8d5a_JaffaCakes118.exe	86
PID 4392 wrote to memory of 2948	4392	3a0965c3dc981b3b69a4faefb06f8d5a_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\3a0965c3dc981b3b69a4faefb06f8d5a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3a0965c3dc981b3b69a4faefb06f8d5a_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops desktop.ini file(s)
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4392
- C:\Users\Admin\AppData\Local\Temp\plugtemp\svchost.exe
  C:\Users\Admin\AppData\Local\Temp\\plugtemp\svchost.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2948

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

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

C:\Users\Admin\AppData\Local\Temp\plugtemp\svchost.exe

Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
memory/2948-27-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2948-32-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2948-35-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2948-8-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2948-12-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2948-14-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2948-16-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2948-18-0x00000000025B0000-0x00000000025B1000-memory.dmp

Filesize
4KB

Download
memory/2948-20-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2948-21-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2948-19-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2948-34-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2948-33-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2948-22-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2948-28-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2948-25-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2948-26-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2948-23-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2948-24-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2948-29-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2948-30-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2948-31-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/4392-0-0x0000000074DE2000-0x0000000074DE3000-memory.dmp

Filesize
4KB

Download
memory/4392-2-0x0000000074DE0000-0x0000000075391000-memory.dmp

Filesize
5.7MB

Download
memory/4392-17-0x0000000074DE0000-0x0000000075391000-memory.dmp

Filesize
5.7MB

Download
memory/4392-1-0x0000000074DE0000-0x0000000075391000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads