darkcomet | 3d96847f7962c01a7951f95acb29dff7999b7e8d54c946b3b1ccd035cbf2bcb1

General

Target

20799f295c5b0e5aa27b5896b230b57a_JaffaCakes118.exe
Size

13.9MB
MD5

20799f295c5b0e5aa27b5896b230b57a
SHA1

e0e72f3a636f4dcd87bb5606f24fe0ff298fbb74
SHA256

3d96847f7962c01a7951f95acb29dff7999b7e8d54c946b3b1ccd035cbf2bcb1
SHA512

70cd3984c49da18dc9aeb852f745a8324a93583ab892af7f08bf5372cdb4ffc0cb0cce4033988d9088aaf1b0c740f612690addf9598ad3349ef6ef79112b3d16
SSDEEP

24576:0RmJkcoQricOIQxiZY1iaGVR2L1IQnr/hEzgF82oN5TKnKYEDrHqANbbNBW6Db6b:RJZoQrbTFZY1iaIR2B

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

onlinebonjour1pt.ddns.net:1605

Mutex

DC_MUTEX-K9JEE5J

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
PPlJGVizdNKt
install
true
offline_keylogger
true
persistence
true
reg_key
Microdaptxx

Signatures

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

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	20799f295c5b0e5aa27b5896b230b57a_JaffaCakes118.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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microdaptxx = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	20799f295c5b0e5aa27b5896b230b57a_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1300 set thread context of 1528	1300	20799f295c5b0e5aa27b5896b230b57a_JaffaCakes118.exe	85

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	20799f295c5b0e5aa27b5896b230b57a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	20799f295c5b0e5aa27b5896b230b57a_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1528	20799f295c5b0e5aa27b5896b230b57a_JaffaCakes118.exe
Token: SeSecurityPrivilege	1528	20799f295c5b0e5aa27b5896b230b57a_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	1528	20799f295c5b0e5aa27b5896b230b57a_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	1528	20799f295c5b0e5aa27b5896b230b57a_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	1528	20799f295c5b0e5aa27b5896b230b57a_JaffaCakes118.exe
Token: SeSystemtimePrivilege	1528	20799f295c5b0e5aa27b5896b230b57a_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	1528	20799f295c5b0e5aa27b5896b230b57a_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1528	20799f295c5b0e5aa27b5896b230b57a_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	1528	20799f295c5b0e5aa27b5896b230b57a_JaffaCakes118.exe
Token: SeBackupPrivilege	1528	20799f295c5b0e5aa27b5896b230b57a_JaffaCakes118.exe
Token: SeRestorePrivilege	1528	20799f295c5b0e5aa27b5896b230b57a_JaffaCakes118.exe
Token: SeShutdownPrivilege	1528	20799f295c5b0e5aa27b5896b230b57a_JaffaCakes118.exe
Token: SeDebugPrivilege	1528	20799f295c5b0e5aa27b5896b230b57a_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	1528	20799f295c5b0e5aa27b5896b230b57a_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	1528	20799f295c5b0e5aa27b5896b230b57a_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	1528	20799f295c5b0e5aa27b5896b230b57a_JaffaCakes118.exe
Token: SeUndockPrivilege	1528	20799f295c5b0e5aa27b5896b230b57a_JaffaCakes118.exe
Token: SeManageVolumePrivilege	1528	20799f295c5b0e5aa27b5896b230b57a_JaffaCakes118.exe
Token: SeImpersonatePrivilege	1528	20799f295c5b0e5aa27b5896b230b57a_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	1528	20799f295c5b0e5aa27b5896b230b57a_JaffaCakes118.exe
Token: 33	1528	20799f295c5b0e5aa27b5896b230b57a_JaffaCakes118.exe
Token: 34	1528	20799f295c5b0e5aa27b5896b230b57a_JaffaCakes118.exe
Token: 35	1528	20799f295c5b0e5aa27b5896b230b57a_JaffaCakes118.exe
Token: 36	1528	20799f295c5b0e5aa27b5896b230b57a_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1300 wrote to memory of 1528	1300	20799f295c5b0e5aa27b5896b230b57a_JaffaCakes118.exe	85
PID 1300 wrote to memory of 1528	1300	20799f295c5b0e5aa27b5896b230b57a_JaffaCakes118.exe	85
PID 1300 wrote to memory of 1528	1300	20799f295c5b0e5aa27b5896b230b57a_JaffaCakes118.exe	85
PID 1300 wrote to memory of 1528	1300	20799f295c5b0e5aa27b5896b230b57a_JaffaCakes118.exe	85
PID 1300 wrote to memory of 1528	1300	20799f295c5b0e5aa27b5896b230b57a_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\20799f295c5b0e5aa27b5896b230b57a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\20799f295c5b0e5aa27b5896b230b57a_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1300
- C:\Users\Admin\AppData\Local\Temp\20799f295c5b0e5aa27b5896b230b57a_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\20799f295c5b0e5aa27b5896b230b57a_JaffaCakes118.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1528

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

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/1528-0-0x00000000000D0000-0x0000000000186000-memory.dmp

Filesize
728KB

Download
memory/1528-1-0x00000000000D0000-0x0000000000186000-memory.dmp

Filesize
728KB

Download
memory/1528-2-0x00000000000D0000-0x0000000000186000-memory.dmp

Filesize
728KB

Download
memory/1528-3-0x00000000000D0000-0x0000000000186000-memory.dmp

Filesize
728KB

Download
memory/1528-4-0x0000000000A70000-0x0000000000A71000-memory.dmp

Filesize
4KB

Download
memory/1528-6-0x00000000000D0000-0x0000000000186000-memory.dmp

Filesize
728KB

Download
memory/1528-7-0x0000000000A70000-0x0000000000A71000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads