sakula | 16841d3402fbe75bb1e62fd90833870f665109a708595e4ceb1e063e6d7a9db9

General

Target

16841d3402fbe75bb1e62fd90833870f665109a708595e4ceb1e063e6d7a9db9.exe
Size

216KB
MD5

093ed7ab42a69c53731f426e834cee29
SHA1

4cef0ff90c7aa471e0b1acc9f06fa2a29fa7ea28
SHA256

16841d3402fbe75bb1e62fd90833870f665109a708595e4ceb1e063e6d7a9db9
SHA512

18ced17e41caba08bbf5565b49ddc039dc19b27c45423eba3832068d6695b8ef49b775940a658fabd54a1e7a422ad493c5f20fcdd7ff741af3f0ce7bfa9c91b2

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula

Sakula Payload 4 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe	family_sakula
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe	family_sakula
behavioral2/memory/2800-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula
behavioral2/memory/3796-133-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3796 MediaCenter.exe

pid	process
3796	MediaCenter.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:

16841d3402fbe75bb1e62fd90833870f665109a708595e4ceb1e063e6d7a9db9.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	16841d3402fbe75bb1e62fd90833870f665109a708595e4ceb1e063e6d7a9db9.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

16841d3402fbe75bb1e62fd90833870f665109a708595e4ceb1e063e6d7a9db9.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe"	16841d3402fbe75bb1e62fd90833870f665109a708595e4ceb1e063e6d7a9db9.exe

Drops file in Windows directory 2 IoCs

Processes:

TiWorker.exe

description	ioc	process
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

MusNotifyIcon.exe

description	ioc	process
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotifyIcon.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe

Modifies data under HKEY_USERS 47 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "25.026749"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3968"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3996"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.550205"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3972"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1920 PING.EXE

pid	process
1920	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

16841d3402fbe75bb1e62fd90833870f665109a708595e4ceb1e063e6d7a9db9.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2800	16841d3402fbe75bb1e62fd90833870f665109a708595e4ceb1e063e6d7a9db9.exe
Token: SeSecurityPrivilege	1876	TiWorker.exe
Token: SeRestorePrivilege	1876	TiWorker.exe
Token: SeBackupPrivilege	1876	TiWorker.exe
Token: SeBackupPrivilege	1876	TiWorker.exe
Token: SeRestorePrivilege	1876	TiWorker.exe
Token: SeSecurityPrivilege	1876	TiWorker.exe
Token: SeBackupPrivilege	1876	TiWorker.exe
Token: SeRestorePrivilege	1876	TiWorker.exe
Token: SeSecurityPrivilege	1876	TiWorker.exe
Token: SeBackupPrivilege	1876	TiWorker.exe
Token: SeRestorePrivilege	1876	TiWorker.exe
Token: SeSecurityPrivilege	1876	TiWorker.exe
Token: SeBackupPrivilege	1876	TiWorker.exe
Token: SeRestorePrivilege	1876	TiWorker.exe
Token: SeSecurityPrivilege	1876	TiWorker.exe
Token: SeBackupPrivilege	1876	TiWorker.exe
Token: SeRestorePrivilege	1876	TiWorker.exe
Token: SeSecurityPrivilege	1876	TiWorker.exe
Token: SeBackupPrivilege	1876	TiWorker.exe
Token: SeRestorePrivilege	1876	TiWorker.exe
Token: SeSecurityPrivilege	1876	TiWorker.exe
Token: SeBackupPrivilege	1876	TiWorker.exe
Token: SeRestorePrivilege	1876	TiWorker.exe
Token: SeSecurityPrivilege	1876	TiWorker.exe
Token: SeBackupPrivilege	1876	TiWorker.exe
Token: SeRestorePrivilege	1876	TiWorker.exe
Token: SeSecurityPrivilege	1876	TiWorker.exe
Token: SeBackupPrivilege	1876	TiWorker.exe
Token: SeRestorePrivilege	1876	TiWorker.exe
Token: SeSecurityPrivilege	1876	TiWorker.exe
Token: SeBackupPrivilege	1876	TiWorker.exe
Token: SeRestorePrivilege	1876	TiWorker.exe
Token: SeSecurityPrivilege	1876	TiWorker.exe
Token: SeBackupPrivilege	1876	TiWorker.exe
Token: SeRestorePrivilege	1876	TiWorker.exe
Token: SeSecurityPrivilege	1876	TiWorker.exe
Token: SeBackupPrivilege	1876	TiWorker.exe
Token: SeRestorePrivilege	1876	TiWorker.exe
Token: SeSecurityPrivilege	1876	TiWorker.exe
Token: SeBackupPrivilege	1876	TiWorker.exe
Token: SeRestorePrivilege	1876	TiWorker.exe
Token: SeSecurityPrivilege	1876	TiWorker.exe
Token: SeBackupPrivilege	1876	TiWorker.exe
Token: SeRestorePrivilege	1876	TiWorker.exe
Token: SeSecurityPrivilege	1876	TiWorker.exe
Token: SeBackupPrivilege	1876	TiWorker.exe
Token: SeRestorePrivilege	1876	TiWorker.exe
Token: SeSecurityPrivilege	1876	TiWorker.exe
Token: SeBackupPrivilege	1876	TiWorker.exe
Token: SeRestorePrivilege	1876	TiWorker.exe
Token: SeSecurityPrivilege	1876	TiWorker.exe
Token: SeBackupPrivilege	1876	TiWorker.exe
Token: SeRestorePrivilege	1876	TiWorker.exe
Token: SeSecurityPrivilege	1876	TiWorker.exe
Token: SeBackupPrivilege	1876	TiWorker.exe
Token: SeRestorePrivilege	1876	TiWorker.exe
Token: SeSecurityPrivilege	1876	TiWorker.exe
Token: SeBackupPrivilege	1876	TiWorker.exe
Token: SeRestorePrivilege	1876	TiWorker.exe
Token: SeSecurityPrivilege	1876	TiWorker.exe
Token: SeBackupPrivilege	1876	TiWorker.exe
Token: SeRestorePrivilege	1876	TiWorker.exe
Token: SeSecurityPrivilege	1876	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

16841d3402fbe75bb1e62fd90833870f665109a708595e4ceb1e063e6d7a9db9.execmd.exe

description	pid	process	target process
PID 2800 wrote to memory of 3796	2800	16841d3402fbe75bb1e62fd90833870f665109a708595e4ceb1e063e6d7a9db9.exe	MediaCenter.exe
PID 2800 wrote to memory of 3796	2800	16841d3402fbe75bb1e62fd90833870f665109a708595e4ceb1e063e6d7a9db9.exe	MediaCenter.exe
PID 2800 wrote to memory of 3796	2800	16841d3402fbe75bb1e62fd90833870f665109a708595e4ceb1e063e6d7a9db9.exe	MediaCenter.exe
PID 2800 wrote to memory of 1016	2800	16841d3402fbe75bb1e62fd90833870f665109a708595e4ceb1e063e6d7a9db9.exe	cmd.exe
PID 2800 wrote to memory of 1016	2800	16841d3402fbe75bb1e62fd90833870f665109a708595e4ceb1e063e6d7a9db9.exe	cmd.exe
PID 2800 wrote to memory of 1016	2800	16841d3402fbe75bb1e62fd90833870f665109a708595e4ceb1e063e6d7a9db9.exe	cmd.exe
PID 1016 wrote to memory of 1920	1016	cmd.exe	PING.EXE
PID 1016 wrote to memory of 1920	1016	cmd.exe	PING.EXE
PID 1016 wrote to memory of 1920	1016	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\16841d3402fbe75bb1e62fd90833870f665109a708595e4ceb1e063e6d7a9db9.exe
"C:\Users\Admin\AppData\Local\Temp\16841d3402fbe75bb1e62fd90833870f665109a708595e4ceb1e063e6d7a9db9.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2800

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3796

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\16841d3402fbe75bb1e62fd90833870f665109a708595e4ceb1e063e6d7a9db9.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1016

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1920

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3236

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:3952

C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:1876

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

Remote System Discovery

1

T1018

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

MD5
d7d3573979e386be98225221b66779dd

SHA1
c90bf7483ecab8f0d3327215244e51e543887ed5

SHA256
722b513e06d78b01174bc7ee1efafb936f5468f784a4d4ac722b1d9cbf01b9da

SHA512
689476a4da557f8d120f21c13c5500dd64c484f30485d213b181b03fbee82da2fb39d29ea54410ec45564bee5cc66ec64b88939c1b592a65a95b45609ecf5ad3

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

MD5
d7d3573979e386be98225221b66779dd

SHA1
c90bf7483ecab8f0d3327215244e51e543887ed5

SHA256
722b513e06d78b01174bc7ee1efafb936f5468f784a4d4ac722b1d9cbf01b9da

SHA512
689476a4da557f8d120f21c13c5500dd64c484f30485d213b181b03fbee82da2fb39d29ea54410ec45564bee5cc66ec64b88939c1b592a65a95b45609ecf5ad3

Download Submit
memory/2800-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3796-133-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads