sakula | 0a4467951c6acea05c2f2f08892961f58e20196e93b3c4e1d231644bdafa7966

General

Target

0a4467951c6acea05c2f2f08892961f58e20196e93b3c4e1d231644bdafa7966.exe
Size

150KB
MD5

03d29ca19d72462fd05d65485a2302a9
SHA1

f5814e105a9fefe79d0b2f765ce2e21176d235d7
SHA256

0a4467951c6acea05c2f2f08892961f58e20196e93b3c4e1d231644bdafa7966
SHA512

1f0376fc99133225b0c49863df27a019009bfa5d3cf2ce2b8870cf4593b1988cbcef4f0fc2141d73c81a61eb5307a23c3a133ddc8df1956b5b8925a3bcbd7459

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 2 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

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

964 MediaCenter.exe

pid	process
964	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:

0a4467951c6acea05c2f2f08892961f58e20196e93b3c4e1d231644bdafa7966.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0a4467951c6acea05c2f2f08892961f58e20196e93b3c4e1d231644bdafa7966.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0a4467951c6acea05c2f2f08892961f58e20196e93b3c4e1d231644bdafa7966.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"	0a4467951c6acea05c2f2f08892961f58e20196e93b3c4e1d231644bdafa7966.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 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\MonthlyUploadRestriction = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.081633"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "16.072375"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0"	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\DownloadMonthlyInternetBytes = "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\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4104"	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\Usage\BkDownloadRatePct = "45"	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\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\DownloadMonthlyRateFrCnt = "0"	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\CacheSizeBytes = "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\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.727245"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4348"	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\UploadMonthlyInternetBytes = "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\Config\KVFileExpirationTime = "132893078198881158"	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\UploadRatePct = "100"	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\SwarmCount = "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\UploadMonthlyLanBytes = "0"	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\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\DownloadMonthlyRateBkCnt = "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\PeerInfoCount = "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\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	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\CDNConnectionCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4028 PING.EXE

pid	process
4028	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0a4467951c6acea05c2f2f08892961f58e20196e93b3c4e1d231644bdafa7966.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3152	0a4467951c6acea05c2f2f08892961f58e20196e93b3c4e1d231644bdafa7966.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe
Token: SeBackupPrivilege	3628	TiWorker.exe
Token: SeRestorePrivilege	3628	TiWorker.exe
Token: SeSecurityPrivilege	3628	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0a4467951c6acea05c2f2f08892961f58e20196e93b3c4e1d231644bdafa7966.execmd.exe

description	pid	process	target process
PID 3152 wrote to memory of 964	3152	0a4467951c6acea05c2f2f08892961f58e20196e93b3c4e1d231644bdafa7966.exe	MediaCenter.exe
PID 3152 wrote to memory of 964	3152	0a4467951c6acea05c2f2f08892961f58e20196e93b3c4e1d231644bdafa7966.exe	MediaCenter.exe
PID 3152 wrote to memory of 964	3152	0a4467951c6acea05c2f2f08892961f58e20196e93b3c4e1d231644bdafa7966.exe	MediaCenter.exe
PID 3152 wrote to memory of 3104	3152	0a4467951c6acea05c2f2f08892961f58e20196e93b3c4e1d231644bdafa7966.exe	cmd.exe
PID 3152 wrote to memory of 3104	3152	0a4467951c6acea05c2f2f08892961f58e20196e93b3c4e1d231644bdafa7966.exe	cmd.exe
PID 3152 wrote to memory of 3104	3152	0a4467951c6acea05c2f2f08892961f58e20196e93b3c4e1d231644bdafa7966.exe	cmd.exe
PID 3104 wrote to memory of 4028	3104	cmd.exe	PING.EXE
PID 3104 wrote to memory of 4028	3104	cmd.exe	PING.EXE
PID 3104 wrote to memory of 4028	3104	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0a4467951c6acea05c2f2f08892961f58e20196e93b3c4e1d231644bdafa7966.exe
"C:\Users\Admin\AppData\Local\Temp\0a4467951c6acea05c2f2f08892961f58e20196e93b3c4e1d231644bdafa7966.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3152

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:964

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0a4467951c6acea05c2f2f08892961f58e20196e93b3c4e1d231644bdafa7966.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3104

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:4028

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:3988

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:3628

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
910b598020b9e080f2c5271640d4e4c5

SHA1
29a6dae57a41cf49c48a84a3af4336c10af725c5

SHA256
f6cc588dbee0da5695aecff80bcc413efdcfd089b7a38c62f87d17050c03632d

SHA512
db25b0c132cbcd9fa29bacd4863b2f223a2775821b2da3edb7e407e64dca74b67e930d98fabddf048a43964107447d637c3c424274df75c3679a1749918f11ae

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
910b598020b9e080f2c5271640d4e4c5

SHA1
29a6dae57a41cf49c48a84a3af4336c10af725c5

SHA256
f6cc588dbee0da5695aecff80bcc413efdcfd089b7a38c62f87d17050c03632d

SHA512
db25b0c132cbcd9fa29bacd4863b2f223a2775821b2da3edb7e407e64dca74b67e930d98fabddf048a43964107447d637c3c424274df75c3679a1749918f11ae

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads