sakula | 165fea0ba623563dd0c7cd798eae33ba362476b518738d8b2c950348205ee9c0

General

Target

165fea0ba623563dd0c7cd798eae33ba362476b518738d8b2c950348205ee9c0.exe
Size

60KB
MD5

4d823bcfe7e3104fc5ef8bf49339e91f
SHA1

d40e112687a026641a318ed876c8bd8950ef8a73
SHA256

165fea0ba623563dd0c7cd798eae33ba362476b518738d8b2c950348205ee9c0
SHA512

8b635ec2bd85afd28459c0592c3a5d06b79506ab665bd77891a8c5fe2f71f9ccabd75905151704b6cbae078723404f872bb96a93b6a66cb5ed637852b264f553

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

764 MediaCenter.exe

pid	process
764	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:

165fea0ba623563dd0c7cd798eae33ba362476b518738d8b2c950348205ee9c0.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	165fea0ba623563dd0c7cd798eae33ba362476b518738d8b2c950348205ee9c0.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

165fea0ba623563dd0c7cd798eae33ba362476b518738d8b2c950348205ee9c0.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"	165fea0ba623563dd0c7cd798eae33ba362476b518738d8b2c950348205ee9c0.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

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

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 49 IoCs

Processes:

svchost.exe

description	ioc	process
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\PriorityDownloadCount = "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 = "4328"	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\LANConnectionCount = "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\UplinkBps = "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\DownlinkUsageBps = "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\DownloadMonthlyRateFrBps = "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\CacheSizeBytes = "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\DownloadMonthlyCdnBytes = "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
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\DownloadMode_BackCompat = "1"	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\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4160"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.086431"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892884431215378"	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\GroupConnectionCount = "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\NormalDownloadPendingCount = "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\DownloadMonthlyGroupBytes = "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\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 (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 (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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.086972"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.013563"	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\UplinkUsageBps = "0"	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
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\Settings	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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1428 PING.EXE

pid	process
1428	PING.EXE

Suspicious use of AdjustPrivilegeToken 34 IoCs

Processes:

165fea0ba623563dd0c7cd798eae33ba362476b518738d8b2c950348205ee9c0.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3720	165fea0ba623563dd0c7cd798eae33ba362476b518738d8b2c950348205ee9c0.exe
Token: SeSecurityPrivilege	2800	TiWorker.exe
Token: SeRestorePrivilege	2800	TiWorker.exe
Token: SeBackupPrivilege	2800	TiWorker.exe
Token: SeBackupPrivilege	2800	TiWorker.exe
Token: SeRestorePrivilege	2800	TiWorker.exe
Token: SeSecurityPrivilege	2800	TiWorker.exe
Token: SeBackupPrivilege	2800	TiWorker.exe
Token: SeRestorePrivilege	2800	TiWorker.exe
Token: SeSecurityPrivilege	2800	TiWorker.exe
Token: SeBackupPrivilege	2800	TiWorker.exe
Token: SeRestorePrivilege	2800	TiWorker.exe
Token: SeSecurityPrivilege	2800	TiWorker.exe
Token: SeBackupPrivilege	2800	TiWorker.exe
Token: SeRestorePrivilege	2800	TiWorker.exe
Token: SeSecurityPrivilege	2800	TiWorker.exe
Token: SeBackupPrivilege	2800	TiWorker.exe
Token: SeRestorePrivilege	2800	TiWorker.exe
Token: SeSecurityPrivilege	2800	TiWorker.exe
Token: SeBackupPrivilege	2800	TiWorker.exe
Token: SeRestorePrivilege	2800	TiWorker.exe
Token: SeSecurityPrivilege	2800	TiWorker.exe
Token: SeBackupPrivilege	2800	TiWorker.exe
Token: SeRestorePrivilege	2800	TiWorker.exe
Token: SeSecurityPrivilege	2800	TiWorker.exe
Token: SeBackupPrivilege	2800	TiWorker.exe
Token: SeRestorePrivilege	2800	TiWorker.exe
Token: SeSecurityPrivilege	2800	TiWorker.exe
Token: SeBackupPrivilege	2800	TiWorker.exe
Token: SeRestorePrivilege	2800	TiWorker.exe
Token: SeSecurityPrivilege	2800	TiWorker.exe
Token: SeBackupPrivilege	2800	TiWorker.exe
Token: SeRestorePrivilege	2800	TiWorker.exe
Token: SeSecurityPrivilege	2800	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

165fea0ba623563dd0c7cd798eae33ba362476b518738d8b2c950348205ee9c0.execmd.exe

description	pid	process	target process
PID 3720 wrote to memory of 764	3720	165fea0ba623563dd0c7cd798eae33ba362476b518738d8b2c950348205ee9c0.exe	MediaCenter.exe
PID 3720 wrote to memory of 764	3720	165fea0ba623563dd0c7cd798eae33ba362476b518738d8b2c950348205ee9c0.exe	MediaCenter.exe
PID 3720 wrote to memory of 764	3720	165fea0ba623563dd0c7cd798eae33ba362476b518738d8b2c950348205ee9c0.exe	MediaCenter.exe
PID 3720 wrote to memory of 64	3720	165fea0ba623563dd0c7cd798eae33ba362476b518738d8b2c950348205ee9c0.exe	cmd.exe
PID 3720 wrote to memory of 64	3720	165fea0ba623563dd0c7cd798eae33ba362476b518738d8b2c950348205ee9c0.exe	cmd.exe
PID 3720 wrote to memory of 64	3720	165fea0ba623563dd0c7cd798eae33ba362476b518738d8b2c950348205ee9c0.exe	cmd.exe
PID 64 wrote to memory of 1428	64	cmd.exe	PING.EXE
PID 64 wrote to memory of 1428	64	cmd.exe	PING.EXE
PID 64 wrote to memory of 1428	64	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\165fea0ba623563dd0c7cd798eae33ba362476b518738d8b2c950348205ee9c0.exe
"C:\Users\Admin\AppData\Local\Temp\165fea0ba623563dd0c7cd798eae33ba362476b518738d8b2c950348205ee9c0.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3720

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:764

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\165fea0ba623563dd0c7cd798eae33ba362476b518738d8b2c950348205ee9c0.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:64

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1428

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3968

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:1276

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:2800

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
c47cb2485bb6d99070c116908210d663

SHA1
61b1d46e4de9ec40f5aa819eb9251a017f02d4a6

SHA256
409708335e1e7915bc4337ba5c133e1ae2fcc12ed4761488e2e2aa26b5779f96

SHA512
bea31869b7e87558e22930b2335fa90904da459036bbb480d51afbb9c822407f7369c8a23c7c6d641bab53d94cd8e2972484ca5cbfbb91c0f159956144ff8694

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

MD5
c47cb2485bb6d99070c116908210d663

SHA1
61b1d46e4de9ec40f5aa819eb9251a017f02d4a6

SHA256
409708335e1e7915bc4337ba5c133e1ae2fcc12ed4761488e2e2aa26b5779f96

SHA512
bea31869b7e87558e22930b2335fa90904da459036bbb480d51afbb9c822407f7369c8a23c7c6d641bab53d94cd8e2972484ca5cbfbb91c0f159956144ff8694

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads