sakula | 07b7016b9424516b9f5616538aecc825c8c7ec4cd22f0f7676fa95d1ea9d5116

General

Target

07b7016b9424516b9f5616538aecc825c8c7ec4cd22f0f7676fa95d1ea9d5116.exe
Size

101KB
MD5

83b47a731c040e06d8a14c81219e7aab
SHA1

5ddefbf9899999c90216622a14b53bd3ecafaf06
SHA256

07b7016b9424516b9f5616538aecc825c8c7ec4cd22f0f7676fa95d1ea9d5116
SHA512

e58b5fa9bda78de2f53fa8926efe82dfc031136bc30030051ed608fef4e00e723f234dbeab09329acd95e91e126357c2a307d5d0552ef418ad0eb1053e4b84f2

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

3356 MediaCenter.exe

pid	process
3356	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:

07b7016b9424516b9f5616538aecc825c8c7ec4cd22f0f7676fa95d1ea9d5116.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	07b7016b9424516b9f5616538aecc825c8c7ec4cd22f0f7676fa95d1ea9d5116.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

07b7016b9424516b9f5616538aecc825c8c7ec4cd22f0f7676fa95d1ea9d5116.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"	07b7016b9424516b9f5616538aecc825c8c7ec4cd22f0f7676fa95d1ea9d5116.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotifyIcon.exe

Modifies data under HKEY_USERS 49 IoCs

Processes:

svchost.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	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\CDNConnectionCount = "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\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 (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\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\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\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 (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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.459771"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.190275"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4212"	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\DownloadMonthlyCdnBytes = "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\FrDownloadRatePct = "90"	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\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4104"	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\MonthID = "2"	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\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\SwarmCount = "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\DownloadMonthlyRateFrBps = "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\Config\KVFileExpirationTime = "132893117381972520"	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\UploadMonthlyLanBytes = "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 (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\SwarmCount = "1"	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\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3324 PING.EXE

pid	process
3324	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

07b7016b9424516b9f5616538aecc825c8c7ec4cd22f0f7676fa95d1ea9d5116.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2404	07b7016b9424516b9f5616538aecc825c8c7ec4cd22f0f7676fa95d1ea9d5116.exe
Token: SeSecurityPrivilege	1500	TiWorker.exe
Token: SeRestorePrivilege	1500	TiWorker.exe
Token: SeBackupPrivilege	1500	TiWorker.exe
Token: SeBackupPrivilege	1500	TiWorker.exe
Token: SeRestorePrivilege	1500	TiWorker.exe
Token: SeSecurityPrivilege	1500	TiWorker.exe
Token: SeBackupPrivilege	1500	TiWorker.exe
Token: SeRestorePrivilege	1500	TiWorker.exe
Token: SeSecurityPrivilege	1500	TiWorker.exe
Token: SeBackupPrivilege	1500	TiWorker.exe
Token: SeRestorePrivilege	1500	TiWorker.exe
Token: SeSecurityPrivilege	1500	TiWorker.exe
Token: SeBackupPrivilege	1500	TiWorker.exe
Token: SeRestorePrivilege	1500	TiWorker.exe
Token: SeSecurityPrivilege	1500	TiWorker.exe
Token: SeBackupPrivilege	1500	TiWorker.exe
Token: SeRestorePrivilege	1500	TiWorker.exe
Token: SeSecurityPrivilege	1500	TiWorker.exe
Token: SeBackupPrivilege	1500	TiWorker.exe
Token: SeRestorePrivilege	1500	TiWorker.exe
Token: SeSecurityPrivilege	1500	TiWorker.exe
Token: SeBackupPrivilege	1500	TiWorker.exe
Token: SeRestorePrivilege	1500	TiWorker.exe
Token: SeSecurityPrivilege	1500	TiWorker.exe
Token: SeBackupPrivilege	1500	TiWorker.exe
Token: SeRestorePrivilege	1500	TiWorker.exe
Token: SeSecurityPrivilege	1500	TiWorker.exe
Token: SeBackupPrivilege	1500	TiWorker.exe
Token: SeRestorePrivilege	1500	TiWorker.exe
Token: SeSecurityPrivilege	1500	TiWorker.exe
Token: SeBackupPrivilege	1500	TiWorker.exe
Token: SeRestorePrivilege	1500	TiWorker.exe
Token: SeSecurityPrivilege	1500	TiWorker.exe
Token: SeBackupPrivilege	1500	TiWorker.exe
Token: SeRestorePrivilege	1500	TiWorker.exe
Token: SeSecurityPrivilege	1500	TiWorker.exe
Token: SeBackupPrivilege	1500	TiWorker.exe
Token: SeRestorePrivilege	1500	TiWorker.exe
Token: SeSecurityPrivilege	1500	TiWorker.exe
Token: SeBackupPrivilege	1500	TiWorker.exe
Token: SeRestorePrivilege	1500	TiWorker.exe
Token: SeSecurityPrivilege	1500	TiWorker.exe
Token: SeBackupPrivilege	1500	TiWorker.exe
Token: SeRestorePrivilege	1500	TiWorker.exe
Token: SeSecurityPrivilege	1500	TiWorker.exe
Token: SeBackupPrivilege	1500	TiWorker.exe
Token: SeRestorePrivilege	1500	TiWorker.exe
Token: SeSecurityPrivilege	1500	TiWorker.exe
Token: SeBackupPrivilege	1500	TiWorker.exe
Token: SeRestorePrivilege	1500	TiWorker.exe
Token: SeSecurityPrivilege	1500	TiWorker.exe
Token: SeBackupPrivilege	1500	TiWorker.exe
Token: SeRestorePrivilege	1500	TiWorker.exe
Token: SeSecurityPrivilege	1500	TiWorker.exe
Token: SeBackupPrivilege	1500	TiWorker.exe
Token: SeRestorePrivilege	1500	TiWorker.exe
Token: SeSecurityPrivilege	1500	TiWorker.exe
Token: SeBackupPrivilege	1500	TiWorker.exe
Token: SeRestorePrivilege	1500	TiWorker.exe
Token: SeSecurityPrivilege	1500	TiWorker.exe
Token: SeBackupPrivilege	1500	TiWorker.exe
Token: SeRestorePrivilege	1500	TiWorker.exe
Token: SeSecurityPrivilege	1500	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

07b7016b9424516b9f5616538aecc825c8c7ec4cd22f0f7676fa95d1ea9d5116.execmd.exe

description	pid	process	target process
PID 2404 wrote to memory of 3356	2404	07b7016b9424516b9f5616538aecc825c8c7ec4cd22f0f7676fa95d1ea9d5116.exe	MediaCenter.exe
PID 2404 wrote to memory of 3356	2404	07b7016b9424516b9f5616538aecc825c8c7ec4cd22f0f7676fa95d1ea9d5116.exe	MediaCenter.exe
PID 2404 wrote to memory of 3356	2404	07b7016b9424516b9f5616538aecc825c8c7ec4cd22f0f7676fa95d1ea9d5116.exe	MediaCenter.exe
PID 2404 wrote to memory of 3788	2404	07b7016b9424516b9f5616538aecc825c8c7ec4cd22f0f7676fa95d1ea9d5116.exe	cmd.exe
PID 2404 wrote to memory of 3788	2404	07b7016b9424516b9f5616538aecc825c8c7ec4cd22f0f7676fa95d1ea9d5116.exe	cmd.exe
PID 2404 wrote to memory of 3788	2404	07b7016b9424516b9f5616538aecc825c8c7ec4cd22f0f7676fa95d1ea9d5116.exe	cmd.exe
PID 3788 wrote to memory of 3324	3788	cmd.exe	PING.EXE
PID 3788 wrote to memory of 3324	3788	cmd.exe	PING.EXE
PID 3788 wrote to memory of 3324	3788	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\07b7016b9424516b9f5616538aecc825c8c7ec4cd22f0f7676fa95d1ea9d5116.exe
"C:\Users\Admin\AppData\Local\Temp\07b7016b9424516b9f5616538aecc825c8c7ec4cd22f0f7676fa95d1ea9d5116.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2404

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3356

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\07b7016b9424516b9f5616538aecc825c8c7ec4cd22f0f7676fa95d1ea9d5116.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3788

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3324

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:4072

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:1232

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:1500

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
b834ead0e1f956604bede32718c70c0d

SHA1
d50b1ad975fa7d6095ad97ad69cba74408876e99

SHA256
5161de71349c5af194f8f647d0412472a807c06f38479f55e9031e5131197067

SHA512
bbff8bc048791300b0e0be1d2f4420fce970228621cd549fc2a1ab793670cab7e567d8d0eceb6d677b82824ba32b3c93a1fec836018d28810c08b80336bf4e4d

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
b834ead0e1f956604bede32718c70c0d

SHA1
d50b1ad975fa7d6095ad97ad69cba74408876e99

SHA256
5161de71349c5af194f8f647d0412472a807c06f38479f55e9031e5131197067

SHA512
bbff8bc048791300b0e0be1d2f4420fce970228621cd549fc2a1ab793670cab7e567d8d0eceb6d677b82824ba32b3c93a1fec836018d28810c08b80336bf4e4d

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads