darkcomet | 01d6d2083ce395daa54ef71fcd535b288b76a834351df7228a133bb214460812

General

Target

079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe
Size

723KB
MD5

079717f4ad89d2a562d581a7d96ec2c1
SHA1

c9febbe1f779fb402a29e85b8954279d09253b4e
SHA256

01d6d2083ce395daa54ef71fcd535b288b76a834351df7228a133bb214460812
SHA512

2713447dc599f7b2afe954a28598dc641c9c2db0ba7edb86e1dc48adacaee7daec563af8fee0e9e42df7585f4a8dff31ea574e27ef11dbcc2b641a27f2e9f096
SSDEEP

12288:gFLlJnnbWOtz6sVJhvaz1Qc/WdI//vfM4qwrbkniafLo6vUTyl0w/q9jJs:Q3nbWmJVJFwSddIXvfhqbiaxvRxq9m

Score

10^/10

darkcomet persistence rat trojan

Malware Config

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

Processes:

079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

2360 msdcsc.exe

pid	process
2360	msdcsc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1384	079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe
Token: SeSecurityPrivilege	1384	079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	1384	079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	1384	079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	1384	079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe
Token: SeSystemtimePrivilege	1384	079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	1384	079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1384	079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	1384	079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe
Token: SeBackupPrivilege	1384	079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe
Token: SeRestorePrivilege	1384	079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe
Token: SeShutdownPrivilege	1384	079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe
Token: SeDebugPrivilege	1384	079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	1384	079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	1384	079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	1384	079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe
Token: SeUndockPrivilege	1384	079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe
Token: SeManageVolumePrivilege	1384	079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe
Token: SeImpersonatePrivilege	1384	079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	1384	079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe
Token: 33	1384	079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe
Token: 34	1384	079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe
Token: 35	1384	079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe
Token: 36	1384	079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2360	msdcsc.exe
Token: SeSecurityPrivilege	2360	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2360	msdcsc.exe
Token: SeLoadDriverPrivilege	2360	msdcsc.exe
Token: SeSystemProfilePrivilege	2360	msdcsc.exe
Token: SeSystemtimePrivilege	2360	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2360	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2360	msdcsc.exe
Token: SeCreatePagefilePrivilege	2360	msdcsc.exe
Token: SeBackupPrivilege	2360	msdcsc.exe
Token: SeRestorePrivilege	2360	msdcsc.exe
Token: SeShutdownPrivilege	2360	msdcsc.exe
Token: SeDebugPrivilege	2360	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2360	msdcsc.exe
Token: SeChangeNotifyPrivilege	2360	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2360	msdcsc.exe
Token: SeUndockPrivilege	2360	msdcsc.exe
Token: SeManageVolumePrivilege	2360	msdcsc.exe
Token: SeImpersonatePrivilege	2360	msdcsc.exe
Token: SeCreateGlobalPrivilege	2360	msdcsc.exe
Token: 33	2360	msdcsc.exe
Token: 34	2360	msdcsc.exe
Token: 35	2360	msdcsc.exe
Token: 36	2360	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid process

2360 msdcsc.exe

pid	process
2360	msdcsc.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe

description	pid	process	target process
PID 1384 wrote to memory of 2360	1384	079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe	msdcsc.exe
PID 1384 wrote to memory of 2360	1384	079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe	msdcsc.exe
PID 1384 wrote to memory of 2360	1384	079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe	msdcsc.exe

C:\Users\Admin\AppData\Local\Temp\079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1384

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2360

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
Filesize
723KB

MD5
079717f4ad89d2a562d581a7d96ec2c1

SHA1
c9febbe1f779fb402a29e85b8954279d09253b4e

SHA256
01d6d2083ce395daa54ef71fcd535b288b76a834351df7228a133bb214460812

SHA512
2713447dc599f7b2afe954a28598dc641c9c2db0ba7edb86e1dc48adacaee7daec563af8fee0e9e42df7585f4a8dff31ea574e27ef11dbcc2b641a27f2e9f096

Download Submit
memory/1384-0-0x0000000002290000-0x0000000002291000-memory.dmp

Filesize
4KB

Download
memory/1384-13-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2360-19-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2360-21-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2360-16-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2360-17-0x0000000002180000-0x0000000002181000-memory.dmp

Filesize
4KB

Download
memory/2360-18-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2360-14-0x0000000002180000-0x0000000002181000-memory.dmp

Filesize
4KB

Download
memory/2360-20-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2360-15-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2360-22-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2360-23-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2360-24-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2360-25-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2360-26-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2360-27-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2360-28-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2360-29-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads