darkcomet | 3e319d191903a91e1d8dcf84ae11139be9dc064550cd896378134607c40e836a

General

Target

068dca5294b5060298631f2adf944735_JaffaCakes118.exe
Size

390KB
MD5

068dca5294b5060298631f2adf944735
SHA1

6266c1dd5d7008a9322a253c56e5b42850d7a664
SHA256

3e319d191903a91e1d8dcf84ae11139be9dc064550cd896378134607c40e836a
SHA512

93724ad5326747ee67ba9455c905e018697c8c4be32c9ba88cb5cd5f2a25535014cd5d45c5b311f71a84eeddb2965a74ce422262677cc23463ba01908560689f
SSDEEP

6144:TG0tZhwWYGKONpKPfMXsKuiHyAxM6LV+gQlXRsj3mQTxvV9DDZN9X/xymS:JTqONpKPfMXcm1hwlB63mCV9r3LS

Score

10^/10

darkcomet persistence rat trojan upx

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:

068dca5294b5060298631f2adf944735_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\\AppData\\Roaming\\MSDCSC\\Microsoft.exe"	068dca5294b5060298631f2adf944735_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:

068dca5294b5060298631f2adf944735_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Control Panel\International\Geo\Nation	068dca5294b5060298631f2adf944735_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

Processes:

Microsoft.exeMicrosoft.exe

pid process

3172 Microsoft.exe
2392 Microsoft.exe

pid	process
3172	Microsoft.exe
2392	Microsoft.exe

UPX packed file 31 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4884-3-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/4884-2-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/4884-4-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/4884-5-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/4884-6-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/4884-7-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/4884-23-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/2392-32-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/2392-31-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/2392-30-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/2392-33-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/2392-35-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/2392-37-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/2392-36-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/2392-34-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/2392-38-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/2392-39-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/2392-40-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/2392-41-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/2392-42-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/2392-43-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/2392-44-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/2392-45-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/2392-46-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/2392-47-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/2392-48-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/2392-49-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/2392-50-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/2392-51-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/2392-52-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/2392-53-0x0000000000400000-0x00000000004C9000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Microsoft.exe068dca5294b5060298631f2adf944735_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft.exe = "C:\\Users\\Admin\\AppData\\Roaming\\MSDCSC\\Microsoft.exe"	Microsoft.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft.exe = "C:\\Users\\Admin\\AppData\\Roaming\\MSDCSC\\Microsoft.exe"	068dca5294b5060298631f2adf944735_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

068dca5294b5060298631f2adf944735_JaffaCakes118.exeMicrosoft.exe

description	pid	process	target process
PID 936 set thread context of 4884	936	068dca5294b5060298631f2adf944735_JaffaCakes118.exe	068dca5294b5060298631f2adf944735_JaffaCakes118.exe
PID 3172 set thread context of 2392	3172	Microsoft.exe	Microsoft.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:

068dca5294b5060298631f2adf944735_JaffaCakes118.exeMicrosoft.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	4884	068dca5294b5060298631f2adf944735_JaffaCakes118.exe
Token: SeSecurityPrivilege	4884	068dca5294b5060298631f2adf944735_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	4884	068dca5294b5060298631f2adf944735_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	4884	068dca5294b5060298631f2adf944735_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	4884	068dca5294b5060298631f2adf944735_JaffaCakes118.exe
Token: SeSystemtimePrivilege	4884	068dca5294b5060298631f2adf944735_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	4884	068dca5294b5060298631f2adf944735_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	4884	068dca5294b5060298631f2adf944735_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	4884	068dca5294b5060298631f2adf944735_JaffaCakes118.exe
Token: SeBackupPrivilege	4884	068dca5294b5060298631f2adf944735_JaffaCakes118.exe
Token: SeRestorePrivilege	4884	068dca5294b5060298631f2adf944735_JaffaCakes118.exe
Token: SeShutdownPrivilege	4884	068dca5294b5060298631f2adf944735_JaffaCakes118.exe
Token: SeDebugPrivilege	4884	068dca5294b5060298631f2adf944735_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	4884	068dca5294b5060298631f2adf944735_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	4884	068dca5294b5060298631f2adf944735_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	4884	068dca5294b5060298631f2adf944735_JaffaCakes118.exe
Token: SeUndockPrivilege	4884	068dca5294b5060298631f2adf944735_JaffaCakes118.exe
Token: SeManageVolumePrivilege	4884	068dca5294b5060298631f2adf944735_JaffaCakes118.exe
Token: SeImpersonatePrivilege	4884	068dca5294b5060298631f2adf944735_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	4884	068dca5294b5060298631f2adf944735_JaffaCakes118.exe
Token: 33	4884	068dca5294b5060298631f2adf944735_JaffaCakes118.exe
Token: 34	4884	068dca5294b5060298631f2adf944735_JaffaCakes118.exe
Token: 35	4884	068dca5294b5060298631f2adf944735_JaffaCakes118.exe
Token: 36	4884	068dca5294b5060298631f2adf944735_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2392	Microsoft.exe
Token: SeSecurityPrivilege	2392	Microsoft.exe
Token: SeTakeOwnershipPrivilege	2392	Microsoft.exe
Token: SeLoadDriverPrivilege	2392	Microsoft.exe
Token: SeSystemProfilePrivilege	2392	Microsoft.exe
Token: SeSystemtimePrivilege	2392	Microsoft.exe
Token: SeProfSingleProcessPrivilege	2392	Microsoft.exe
Token: SeIncBasePriorityPrivilege	2392	Microsoft.exe
Token: SeCreatePagefilePrivilege	2392	Microsoft.exe
Token: SeBackupPrivilege	2392	Microsoft.exe
Token: SeRestorePrivilege	2392	Microsoft.exe
Token: SeShutdownPrivilege	2392	Microsoft.exe
Token: SeDebugPrivilege	2392	Microsoft.exe
Token: SeSystemEnvironmentPrivilege	2392	Microsoft.exe
Token: SeChangeNotifyPrivilege	2392	Microsoft.exe
Token: SeRemoteShutdownPrivilege	2392	Microsoft.exe
Token: SeUndockPrivilege	2392	Microsoft.exe
Token: SeManageVolumePrivilege	2392	Microsoft.exe
Token: SeImpersonatePrivilege	2392	Microsoft.exe
Token: SeCreateGlobalPrivilege	2392	Microsoft.exe
Token: 33	2392	Microsoft.exe
Token: 34	2392	Microsoft.exe
Token: 35	2392	Microsoft.exe
Token: 36	2392	Microsoft.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

068dca5294b5060298631f2adf944735_JaffaCakes118.exeMicrosoft.exeMicrosoft.exe

pid process

936 068dca5294b5060298631f2adf944735_JaffaCakes118.exe
3172 Microsoft.exe
2392 Microsoft.exe

pid	process
936	068dca5294b5060298631f2adf944735_JaffaCakes118.exe
3172	Microsoft.exe
2392	Microsoft.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

068dca5294b5060298631f2adf944735_JaffaCakes118.exe068dca5294b5060298631f2adf944735_JaffaCakes118.exeMicrosoft.exe

description	pid	process	target process
PID 936 wrote to memory of 4884	936	068dca5294b5060298631f2adf944735_JaffaCakes118.exe	068dca5294b5060298631f2adf944735_JaffaCakes118.exe
PID 936 wrote to memory of 4884	936	068dca5294b5060298631f2adf944735_JaffaCakes118.exe	068dca5294b5060298631f2adf944735_JaffaCakes118.exe
PID 936 wrote to memory of 4884	936	068dca5294b5060298631f2adf944735_JaffaCakes118.exe	068dca5294b5060298631f2adf944735_JaffaCakes118.exe
PID 936 wrote to memory of 4884	936	068dca5294b5060298631f2adf944735_JaffaCakes118.exe	068dca5294b5060298631f2adf944735_JaffaCakes118.exe
PID 936 wrote to memory of 4884	936	068dca5294b5060298631f2adf944735_JaffaCakes118.exe	068dca5294b5060298631f2adf944735_JaffaCakes118.exe
PID 936 wrote to memory of 4884	936	068dca5294b5060298631f2adf944735_JaffaCakes118.exe	068dca5294b5060298631f2adf944735_JaffaCakes118.exe
PID 936 wrote to memory of 4884	936	068dca5294b5060298631f2adf944735_JaffaCakes118.exe	068dca5294b5060298631f2adf944735_JaffaCakes118.exe
PID 936 wrote to memory of 4884	936	068dca5294b5060298631f2adf944735_JaffaCakes118.exe	068dca5294b5060298631f2adf944735_JaffaCakes118.exe
PID 936 wrote to memory of 4884	936	068dca5294b5060298631f2adf944735_JaffaCakes118.exe	068dca5294b5060298631f2adf944735_JaffaCakes118.exe
PID 4884 wrote to memory of 3172	4884	068dca5294b5060298631f2adf944735_JaffaCakes118.exe	Microsoft.exe
PID 4884 wrote to memory of 3172	4884	068dca5294b5060298631f2adf944735_JaffaCakes118.exe	Microsoft.exe
PID 4884 wrote to memory of 3172	4884	068dca5294b5060298631f2adf944735_JaffaCakes118.exe	Microsoft.exe
PID 3172 wrote to memory of 2392	3172	Microsoft.exe	Microsoft.exe
PID 3172 wrote to memory of 2392	3172	Microsoft.exe	Microsoft.exe
PID 3172 wrote to memory of 2392	3172	Microsoft.exe	Microsoft.exe
PID 3172 wrote to memory of 2392	3172	Microsoft.exe	Microsoft.exe
PID 3172 wrote to memory of 2392	3172	Microsoft.exe	Microsoft.exe
PID 3172 wrote to memory of 2392	3172	Microsoft.exe	Microsoft.exe
PID 3172 wrote to memory of 2392	3172	Microsoft.exe	Microsoft.exe
PID 3172 wrote to memory of 2392	3172	Microsoft.exe	Microsoft.exe
PID 3172 wrote to memory of 2392	3172	Microsoft.exe	Microsoft.exe

C:\Users\Admin\AppData\Local\Temp\068dca5294b5060298631f2adf944735_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\068dca5294b5060298631f2adf944735_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:936

C:\Users\Admin\AppData\Local\Temp\068dca5294b5060298631f2adf944735_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\068dca5294b5060298631f2adf944735_JaffaCakes118.exe"
2⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4884

C:\Users\Admin\AppData\Roaming\MSDCSC\Microsoft.exe
"C:\Users\Admin\AppData\Roaming\MSDCSC\Microsoft.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3172

C:\Users\Admin\AppData\Roaming\MSDCSC\Microsoft.exe
"C:\Users\Admin\AppData\Roaming\MSDCSC\Microsoft.exe"
4⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2392

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\AppData\Roaming\MSDCSC\Microsoft.exe
Filesize
390KB

MD5
068dca5294b5060298631f2adf944735

SHA1
6266c1dd5d7008a9322a253c56e5b42850d7a664

SHA256
3e319d191903a91e1d8dcf84ae11139be9dc064550cd896378134607c40e836a

SHA512
93724ad5326747ee67ba9455c905e018697c8c4be32c9ba88cb5cd5f2a25535014cd5d45c5b311f71a84eeddb2965a74ce422262677cc23463ba01908560689f

Download Submit
memory/2392-38-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2392-53-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2392-34-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2392-52-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2392-51-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2392-50-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2392-49-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2392-32-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2392-31-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2392-30-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2392-33-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2392-35-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2392-37-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2392-36-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2392-48-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2392-39-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2392-47-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2392-40-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2392-41-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2392-42-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2392-43-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2392-44-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2392-45-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2392-46-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/4884-4-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/4884-5-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/4884-23-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/4884-2-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/4884-7-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/4884-6-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/4884-3-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads