sakula | 170e7f9b8b91012265ce4c2fcabc66178cc705df28ebd506c4c5db1f2b6f1b1d

General

Target

170e7f9b8b91012265ce4c2fcabc66178cc705df28ebd506c4c5db1f2b6f1b1d.exe
Size

80KB
MD5

7b62e3d9d30de24b1ea9a0e23217bf6d
SHA1

43e63ac050a2ea99f36e2f50d9adc84eefdcd2f5
SHA256

170e7f9b8b91012265ce4c2fcabc66178cc705df28ebd506c4c5db1f2b6f1b1d
SHA512

04f40af1fc875241554e651ee9f312ba80d0b1f97a73850180860770243b9fe09f9431a22ad1f9a74fbf9f938ac5867c76ee12723abc11181734cad5364e9840

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

3840 MediaCenter.exe

pid	process
3840	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:

170e7f9b8b91012265ce4c2fcabc66178cc705df28ebd506c4c5db1f2b6f1b1d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	170e7f9b8b91012265ce4c2fcabc66178cc705df28ebd506c4c5db1f2b6f1b1d.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

170e7f9b8b91012265ce4c2fcabc66178cc705df28ebd506c4c5db1f2b6f1b1d.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"	170e7f9b8b91012265ce4c2fcabc66178cc705df28ebd506c4c5db1f2b6f1b1d.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

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\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\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\MemoryUsageKB = "4156"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.167644"	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\UploadMonthlyInternetBytes = "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\DownloadMonthlyRateBkCnt = "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\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\UplinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.142890"	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\DODownloadMode = "1"	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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "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\UploadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892872829689322"	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\PriorityDownloadPendingCount = "0"	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\LinkLocalConnectionCount = "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\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 (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\DownloadMode_BackCompat = "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\DownloadMonthlyCdnBytes = "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\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\CacheSizeBytes = "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\MemoryUsageKB = "4352"	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\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\DownloadMonthlyGroupBytes = "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\InternetConnectionCount = "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\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2956 PING.EXE

pid	process
2956	PING.EXE

Suspicious use of AdjustPrivilegeToken 34 IoCs

Processes:

170e7f9b8b91012265ce4c2fcabc66178cc705df28ebd506c4c5db1f2b6f1b1d.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2800	170e7f9b8b91012265ce4c2fcabc66178cc705df28ebd506c4c5db1f2b6f1b1d.exe
Token: SeSecurityPrivilege	1256	TiWorker.exe
Token: SeRestorePrivilege	1256	TiWorker.exe
Token: SeBackupPrivilege	1256	TiWorker.exe
Token: SeBackupPrivilege	1256	TiWorker.exe
Token: SeRestorePrivilege	1256	TiWorker.exe
Token: SeSecurityPrivilege	1256	TiWorker.exe
Token: SeBackupPrivilege	1256	TiWorker.exe
Token: SeRestorePrivilege	1256	TiWorker.exe
Token: SeSecurityPrivilege	1256	TiWorker.exe
Token: SeBackupPrivilege	1256	TiWorker.exe
Token: SeRestorePrivilege	1256	TiWorker.exe
Token: SeSecurityPrivilege	1256	TiWorker.exe
Token: SeBackupPrivilege	1256	TiWorker.exe
Token: SeRestorePrivilege	1256	TiWorker.exe
Token: SeSecurityPrivilege	1256	TiWorker.exe
Token: SeBackupPrivilege	1256	TiWorker.exe
Token: SeRestorePrivilege	1256	TiWorker.exe
Token: SeSecurityPrivilege	1256	TiWorker.exe
Token: SeBackupPrivilege	1256	TiWorker.exe
Token: SeRestorePrivilege	1256	TiWorker.exe
Token: SeSecurityPrivilege	1256	TiWorker.exe
Token: SeBackupPrivilege	1256	TiWorker.exe
Token: SeRestorePrivilege	1256	TiWorker.exe
Token: SeSecurityPrivilege	1256	TiWorker.exe
Token: SeBackupPrivilege	1256	TiWorker.exe
Token: SeRestorePrivilege	1256	TiWorker.exe
Token: SeSecurityPrivilege	1256	TiWorker.exe
Token: SeBackupPrivilege	1256	TiWorker.exe
Token: SeRestorePrivilege	1256	TiWorker.exe
Token: SeSecurityPrivilege	1256	TiWorker.exe
Token: SeBackupPrivilege	1256	TiWorker.exe
Token: SeRestorePrivilege	1256	TiWorker.exe
Token: SeSecurityPrivilege	1256	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

170e7f9b8b91012265ce4c2fcabc66178cc705df28ebd506c4c5db1f2b6f1b1d.execmd.exe

description	pid	process	target process
PID 2800 wrote to memory of 3840	2800	170e7f9b8b91012265ce4c2fcabc66178cc705df28ebd506c4c5db1f2b6f1b1d.exe	MediaCenter.exe
PID 2800 wrote to memory of 3840	2800	170e7f9b8b91012265ce4c2fcabc66178cc705df28ebd506c4c5db1f2b6f1b1d.exe	MediaCenter.exe
PID 2800 wrote to memory of 3840	2800	170e7f9b8b91012265ce4c2fcabc66178cc705df28ebd506c4c5db1f2b6f1b1d.exe	MediaCenter.exe
PID 2800 wrote to memory of 1576	2800	170e7f9b8b91012265ce4c2fcabc66178cc705df28ebd506c4c5db1f2b6f1b1d.exe	cmd.exe
PID 2800 wrote to memory of 1576	2800	170e7f9b8b91012265ce4c2fcabc66178cc705df28ebd506c4c5db1f2b6f1b1d.exe	cmd.exe
PID 2800 wrote to memory of 1576	2800	170e7f9b8b91012265ce4c2fcabc66178cc705df28ebd506c4c5db1f2b6f1b1d.exe	cmd.exe
PID 1576 wrote to memory of 2956	1576	cmd.exe	PING.EXE
PID 1576 wrote to memory of 2956	1576	cmd.exe	PING.EXE
PID 1576 wrote to memory of 2956	1576	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\170e7f9b8b91012265ce4c2fcabc66178cc705df28ebd506c4c5db1f2b6f1b1d.exe
"C:\Users\Admin\AppData\Local\Temp\170e7f9b8b91012265ce4c2fcabc66178cc705df28ebd506c4c5db1f2b6f1b1d.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:3840

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\170e7f9b8b91012265ce4c2fcabc66178cc705df28ebd506c4c5db1f2b6f1b1d.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1576

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2956

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:3292

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:1256

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

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

MD5
7e651b9f41a4261f9f410b6001fb80b2

SHA1
73d9797d62fa25221d6a972b0982d595b1470304

SHA256
f2966da1484976efeb2190382811e0e398ab5677794077d349f44c2a9738b43b

SHA512
af689bd1ed63efe0ebb2280e08fd5b0e0beb2199bf53f407ae361ae90d6f0c36461694bcbaecafe893c02d7e999f23ccb0e038f32a792b292a056e51027854db

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

MD5
7e651b9f41a4261f9f410b6001fb80b2

SHA1
73d9797d62fa25221d6a972b0982d595b1470304

SHA256
f2966da1484976efeb2190382811e0e398ab5677794077d349f44c2a9738b43b

SHA512
af689bd1ed63efe0ebb2280e08fd5b0e0beb2199bf53f407ae361ae90d6f0c36461694bcbaecafe893c02d7e999f23ccb0e038f32a792b292a056e51027854db

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads