sakula | 0f8e6b95cdd5520edfd2fdc0412f9b1c4e90d7d17831596355aabf9f52310846

General

Target

0f8e6b95cdd5520edfd2fdc0412f9b1c4e90d7d17831596355aabf9f52310846.exe
Size

58KB
MD5

9db41c17d371cf61332db15ede9c5100
SHA1

87815d01ce49c936f5f3aa238c4eca4f0060f74d
SHA256

0f8e6b95cdd5520edfd2fdc0412f9b1c4e90d7d17831596355aabf9f52310846
SHA512

5c4c5ff5253fb02e41c4f223ca9902d9649da3b0fa1fa95d2f0eee2c5a8fc42db8807f3e141b163eecfee52d8c7e1864f8c9c82f5f1dd2661eb85b571fd20318

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3932 MediaCenter.exe

pid	process
3932	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:

0f8e6b95cdd5520edfd2fdc0412f9b1c4e90d7d17831596355aabf9f52310846.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0f8e6b95cdd5520edfd2fdc0412f9b1c4e90d7d17831596355aabf9f52310846.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0f8e6b95cdd5520edfd2fdc0412f9b1c4e90d7d17831596355aabf9f52310846.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"	0f8e6b95cdd5520edfd2fdc0412f9b1c4e90d7d17831596355aabf9f52310846.exe

Drops file in Windows directory 3 IoCs

Processes:

svchost.exeTiWorker.exe

description	ioc	process
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.exe
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 51 IoCs

Processes:

svchost.exe

description	ioc	process
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\LinkLocalConnectionCount = "0"	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\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion"	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\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.904763"	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\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "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\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "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\Usage\SwarmCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3960"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.555448"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4312"	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\PeerInfoCount = "0"	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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.041578"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.006711"	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\DownloadMonthlyGroupBytes = "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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892978580139213"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "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\Config\DODownloadMode = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4096"	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\DownloadMonthlyLinkLocalBytes = "0"	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\DownloadMonthlyRateBkBps = "0"	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\GroupConnectionCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3540 PING.EXE

pid	process
3540	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe0f8e6b95cdd5520edfd2fdc0412f9b1c4e90d7d17831596355aabf9f52310846.exe

description	pid	process
Token: SeSecurityPrivilege	2960	TiWorker.exe
Token: SeRestorePrivilege	2960	TiWorker.exe
Token: SeBackupPrivilege	2960	TiWorker.exe
Token: SeBackupPrivilege	2960	TiWorker.exe
Token: SeRestorePrivilege	2960	TiWorker.exe
Token: SeSecurityPrivilege	2960	TiWorker.exe
Token: SeBackupPrivilege	2960	TiWorker.exe
Token: SeRestorePrivilege	2960	TiWorker.exe
Token: SeSecurityPrivilege	2960	TiWorker.exe
Token: SeBackupPrivilege	2960	TiWorker.exe
Token: SeRestorePrivilege	2960	TiWorker.exe
Token: SeSecurityPrivilege	2960	TiWorker.exe
Token: SeBackupPrivilege	2960	TiWorker.exe
Token: SeRestorePrivilege	2960	TiWorker.exe
Token: SeSecurityPrivilege	2960	TiWorker.exe
Token: SeBackupPrivilege	2960	TiWorker.exe
Token: SeRestorePrivilege	2960	TiWorker.exe
Token: SeSecurityPrivilege	2960	TiWorker.exe
Token: SeBackupPrivilege	2960	TiWorker.exe
Token: SeRestorePrivilege	2960	TiWorker.exe
Token: SeSecurityPrivilege	2960	TiWorker.exe
Token: SeIncBasePriorityPrivilege	776	0f8e6b95cdd5520edfd2fdc0412f9b1c4e90d7d17831596355aabf9f52310846.exe
Token: SeBackupPrivilege	2960	TiWorker.exe
Token: SeRestorePrivilege	2960	TiWorker.exe
Token: SeSecurityPrivilege	2960	TiWorker.exe
Token: SeBackupPrivilege	2960	TiWorker.exe
Token: SeRestorePrivilege	2960	TiWorker.exe
Token: SeSecurityPrivilege	2960	TiWorker.exe
Token: SeBackupPrivilege	2960	TiWorker.exe
Token: SeRestorePrivilege	2960	TiWorker.exe
Token: SeSecurityPrivilege	2960	TiWorker.exe
Token: SeBackupPrivilege	2960	TiWorker.exe
Token: SeRestorePrivilege	2960	TiWorker.exe
Token: SeSecurityPrivilege	2960	TiWorker.exe
Token: SeBackupPrivilege	2960	TiWorker.exe
Token: SeRestorePrivilege	2960	TiWorker.exe
Token: SeSecurityPrivilege	2960	TiWorker.exe
Token: SeBackupPrivilege	2960	TiWorker.exe
Token: SeRestorePrivilege	2960	TiWorker.exe
Token: SeSecurityPrivilege	2960	TiWorker.exe
Token: SeBackupPrivilege	2960	TiWorker.exe
Token: SeRestorePrivilege	2960	TiWorker.exe
Token: SeSecurityPrivilege	2960	TiWorker.exe
Token: SeBackupPrivilege	2960	TiWorker.exe
Token: SeRestorePrivilege	2960	TiWorker.exe
Token: SeSecurityPrivilege	2960	TiWorker.exe
Token: SeBackupPrivilege	2960	TiWorker.exe
Token: SeRestorePrivilege	2960	TiWorker.exe
Token: SeSecurityPrivilege	2960	TiWorker.exe
Token: SeBackupPrivilege	2960	TiWorker.exe
Token: SeRestorePrivilege	2960	TiWorker.exe
Token: SeSecurityPrivilege	2960	TiWorker.exe
Token: SeBackupPrivilege	2960	TiWorker.exe
Token: SeRestorePrivilege	2960	TiWorker.exe
Token: SeSecurityPrivilege	2960	TiWorker.exe
Token: SeBackupPrivilege	2960	TiWorker.exe
Token: SeRestorePrivilege	2960	TiWorker.exe
Token: SeSecurityPrivilege	2960	TiWorker.exe
Token: SeBackupPrivilege	2960	TiWorker.exe
Token: SeRestorePrivilege	2960	TiWorker.exe
Token: SeSecurityPrivilege	2960	TiWorker.exe
Token: SeBackupPrivilege	2960	TiWorker.exe
Token: SeRestorePrivilege	2960	TiWorker.exe
Token: SeSecurityPrivilege	2960	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0f8e6b95cdd5520edfd2fdc0412f9b1c4e90d7d17831596355aabf9f52310846.execmd.exe

description	pid	process	target process
PID 776 wrote to memory of 3932	776	0f8e6b95cdd5520edfd2fdc0412f9b1c4e90d7d17831596355aabf9f52310846.exe	MediaCenter.exe
PID 776 wrote to memory of 3932	776	0f8e6b95cdd5520edfd2fdc0412f9b1c4e90d7d17831596355aabf9f52310846.exe	MediaCenter.exe
PID 776 wrote to memory of 3932	776	0f8e6b95cdd5520edfd2fdc0412f9b1c4e90d7d17831596355aabf9f52310846.exe	MediaCenter.exe
PID 776 wrote to memory of 2908	776	0f8e6b95cdd5520edfd2fdc0412f9b1c4e90d7d17831596355aabf9f52310846.exe	cmd.exe
PID 776 wrote to memory of 2908	776	0f8e6b95cdd5520edfd2fdc0412f9b1c4e90d7d17831596355aabf9f52310846.exe	cmd.exe
PID 776 wrote to memory of 2908	776	0f8e6b95cdd5520edfd2fdc0412f9b1c4e90d7d17831596355aabf9f52310846.exe	cmd.exe
PID 2908 wrote to memory of 3540	2908	cmd.exe	PING.EXE
PID 2908 wrote to memory of 3540	2908	cmd.exe	PING.EXE
PID 2908 wrote to memory of 3540	2908	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0f8e6b95cdd5520edfd2fdc0412f9b1c4e90d7d17831596355aabf9f52310846.exe
"C:\Users\Admin\AppData\Local\Temp\0f8e6b95cdd5520edfd2fdc0412f9b1c4e90d7d17831596355aabf9f52310846.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:776

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3932

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0f8e6b95cdd5520edfd2fdc0412f9b1c4e90d7d17831596355aabf9f52310846.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2908

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3540

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2828

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:3976

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:2960

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
a46b9ab82ba80048946acc024d9f6264

SHA1
121aa8b7efc3e603f9ae4bdbbbe2ebcf29cc1e53

SHA256
f0fadd91b6fd1acbc232bba40d0900915932654927045391853e207bd940df52

SHA512
1dfc890cd60319fd8b415a1beb207b4f122ba74063a17338648ca0f500db131373cbdc4982c03de3622a855fe5f30afc9903e6201a6146a02c74efb82e67fc5d

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

MD5
a46b9ab82ba80048946acc024d9f6264

SHA1
121aa8b7efc3e603f9ae4bdbbbe2ebcf29cc1e53

SHA256
f0fadd91b6fd1acbc232bba40d0900915932654927045391853e207bd940df52

SHA512
1dfc890cd60319fd8b415a1beb207b4f122ba74063a17338648ca0f500db131373cbdc4982c03de3622a855fe5f30afc9903e6201a6146a02c74efb82e67fc5d

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads