sakula | 089bab16b3f48e42e40f2514e52b9490bc1f84a6f6ec6d3b469fe13a88ecdacd

General

Target

089bab16b3f48e42e40f2514e52b9490bc1f84a6f6ec6d3b469fe13a88ecdacd.exe
Size

79KB
MD5

24f58bb0ddf2f61ab7388e60f8bc3070
SHA1

2aeee50bac7de5fd3d699042790d69f707bcddcb
SHA256

089bab16b3f48e42e40f2514e52b9490bc1f84a6f6ec6d3b469fe13a88ecdacd
SHA512

2a5243ed5e94d4b071ccec7de28cb10d8069e464d58eda9ede61e032e7b3e3f683c631bc7bfbd757f688c2aa09da03233f818f6f882e6ea8dab0ff78436a94d5

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

956 MediaCenter.exe

pid	process
956	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:

089bab16b3f48e42e40f2514e52b9490bc1f84a6f6ec6d3b469fe13a88ecdacd.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	089bab16b3f48e42e40f2514e52b9490bc1f84a6f6ec6d3b469fe13a88ecdacd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

089bab16b3f48e42e40f2514e52b9490bc1f84a6f6ec6d3b469fe13a88ecdacd.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"	089bab16b3f48e42e40f2514e52b9490bc1f84a6f6ec6d3b469fe13a88ecdacd.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\MemoryUsageKB = "4116"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4288"	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\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\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\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\SwarmCount = "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\Usage\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893104812755842"	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\PeerInfoCount = "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\MonthlyUploadRestriction = "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 (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\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\InternetConnectionCount = "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\DownloadMonthlyGroupBytes = "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\UploadCount = "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\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	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\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	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\CDNConnectionCount = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.724135"	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\DownloadMonthlyCacheHostBytes = "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\PriorityDownloadCount = "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\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "14.284545"	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\UploadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4044 PING.EXE

pid	process
4044	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

089bab16b3f48e42e40f2514e52b9490bc1f84a6f6ec6d3b469fe13a88ecdacd.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3804	089bab16b3f48e42e40f2514e52b9490bc1f84a6f6ec6d3b469fe13a88ecdacd.exe
Token: SeSecurityPrivilege	2268	TiWorker.exe
Token: SeRestorePrivilege	2268	TiWorker.exe
Token: SeBackupPrivilege	2268	TiWorker.exe
Token: SeBackupPrivilege	2268	TiWorker.exe
Token: SeRestorePrivilege	2268	TiWorker.exe
Token: SeSecurityPrivilege	2268	TiWorker.exe
Token: SeBackupPrivilege	2268	TiWorker.exe
Token: SeRestorePrivilege	2268	TiWorker.exe
Token: SeSecurityPrivilege	2268	TiWorker.exe
Token: SeBackupPrivilege	2268	TiWorker.exe
Token: SeRestorePrivilege	2268	TiWorker.exe
Token: SeSecurityPrivilege	2268	TiWorker.exe
Token: SeBackupPrivilege	2268	TiWorker.exe
Token: SeRestorePrivilege	2268	TiWorker.exe
Token: SeSecurityPrivilege	2268	TiWorker.exe
Token: SeBackupPrivilege	2268	TiWorker.exe
Token: SeRestorePrivilege	2268	TiWorker.exe
Token: SeSecurityPrivilege	2268	TiWorker.exe
Token: SeBackupPrivilege	2268	TiWorker.exe
Token: SeRestorePrivilege	2268	TiWorker.exe
Token: SeSecurityPrivilege	2268	TiWorker.exe
Token: SeBackupPrivilege	2268	TiWorker.exe
Token: SeRestorePrivilege	2268	TiWorker.exe
Token: SeSecurityPrivilege	2268	TiWorker.exe
Token: SeBackupPrivilege	2268	TiWorker.exe
Token: SeRestorePrivilege	2268	TiWorker.exe
Token: SeSecurityPrivilege	2268	TiWorker.exe
Token: SeBackupPrivilege	2268	TiWorker.exe
Token: SeRestorePrivilege	2268	TiWorker.exe
Token: SeSecurityPrivilege	2268	TiWorker.exe
Token: SeBackupPrivilege	2268	TiWorker.exe
Token: SeRestorePrivilege	2268	TiWorker.exe
Token: SeSecurityPrivilege	2268	TiWorker.exe
Token: SeBackupPrivilege	2268	TiWorker.exe
Token: SeRestorePrivilege	2268	TiWorker.exe
Token: SeSecurityPrivilege	2268	TiWorker.exe
Token: SeBackupPrivilege	2268	TiWorker.exe
Token: SeRestorePrivilege	2268	TiWorker.exe
Token: SeSecurityPrivilege	2268	TiWorker.exe
Token: SeBackupPrivilege	2268	TiWorker.exe
Token: SeRestorePrivilege	2268	TiWorker.exe
Token: SeSecurityPrivilege	2268	TiWorker.exe
Token: SeBackupPrivilege	2268	TiWorker.exe
Token: SeRestorePrivilege	2268	TiWorker.exe
Token: SeSecurityPrivilege	2268	TiWorker.exe
Token: SeBackupPrivilege	2268	TiWorker.exe
Token: SeRestorePrivilege	2268	TiWorker.exe
Token: SeSecurityPrivilege	2268	TiWorker.exe
Token: SeBackupPrivilege	2268	TiWorker.exe
Token: SeRestorePrivilege	2268	TiWorker.exe
Token: SeSecurityPrivilege	2268	TiWorker.exe
Token: SeBackupPrivilege	2268	TiWorker.exe
Token: SeRestorePrivilege	2268	TiWorker.exe
Token: SeSecurityPrivilege	2268	TiWorker.exe
Token: SeBackupPrivilege	2268	TiWorker.exe
Token: SeRestorePrivilege	2268	TiWorker.exe
Token: SeSecurityPrivilege	2268	TiWorker.exe
Token: SeBackupPrivilege	2268	TiWorker.exe
Token: SeRestorePrivilege	2268	TiWorker.exe
Token: SeSecurityPrivilege	2268	TiWorker.exe
Token: SeBackupPrivilege	2268	TiWorker.exe
Token: SeRestorePrivilege	2268	TiWorker.exe
Token: SeSecurityPrivilege	2268	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

089bab16b3f48e42e40f2514e52b9490bc1f84a6f6ec6d3b469fe13a88ecdacd.execmd.exe

description	pid	process	target process
PID 3804 wrote to memory of 956	3804	089bab16b3f48e42e40f2514e52b9490bc1f84a6f6ec6d3b469fe13a88ecdacd.exe	MediaCenter.exe
PID 3804 wrote to memory of 956	3804	089bab16b3f48e42e40f2514e52b9490bc1f84a6f6ec6d3b469fe13a88ecdacd.exe	MediaCenter.exe
PID 3804 wrote to memory of 956	3804	089bab16b3f48e42e40f2514e52b9490bc1f84a6f6ec6d3b469fe13a88ecdacd.exe	MediaCenter.exe
PID 3804 wrote to memory of 4072	3804	089bab16b3f48e42e40f2514e52b9490bc1f84a6f6ec6d3b469fe13a88ecdacd.exe	cmd.exe
PID 3804 wrote to memory of 4072	3804	089bab16b3f48e42e40f2514e52b9490bc1f84a6f6ec6d3b469fe13a88ecdacd.exe	cmd.exe
PID 3804 wrote to memory of 4072	3804	089bab16b3f48e42e40f2514e52b9490bc1f84a6f6ec6d3b469fe13a88ecdacd.exe	cmd.exe
PID 4072 wrote to memory of 4044	4072	cmd.exe	PING.EXE
PID 4072 wrote to memory of 4044	4072	cmd.exe	PING.EXE
PID 4072 wrote to memory of 4044	4072	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\089bab16b3f48e42e40f2514e52b9490bc1f84a6f6ec6d3b469fe13a88ecdacd.exe
"C:\Users\Admin\AppData\Local\Temp\089bab16b3f48e42e40f2514e52b9490bc1f84a6f6ec6d3b469fe13a88ecdacd.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3804

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:956

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\089bab16b3f48e42e40f2514e52b9490bc1f84a6f6ec6d3b469fe13a88ecdacd.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4072

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:4044

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1036

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:2212

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:2268

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
4317551c4ee7723dff8a85c72f92679e

SHA1
1cb2876aa5066422e0c369614293666390cf68a6

SHA256
950c9b081173a7e65c0f08408cac1b0c40d667dd4293e25673baaa167cdba222

SHA512
4ea1d2cf227f63a641e1bc41cdec447388696b2189ae3214eef09e2e97ff8aa8ac5685f255d0d4ebfecb9ff7887d9d08eae6105b9cd2f3bd4b0c60ed31ad4764

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
4317551c4ee7723dff8a85c72f92679e

SHA1
1cb2876aa5066422e0c369614293666390cf68a6

SHA256
950c9b081173a7e65c0f08408cac1b0c40d667dd4293e25673baaa167cdba222

SHA512
4ea1d2cf227f63a641e1bc41cdec447388696b2189ae3214eef09e2e97ff8aa8ac5685f255d0d4ebfecb9ff7887d9d08eae6105b9cd2f3bd4b0c60ed31ad4764

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads