sakula | 15ffba13bfa69def699d25c7ec4b44b0675f148d30b2ffdfb688bdf341c5b118

General

Target

15ffba13bfa69def699d25c7ec4b44b0675f148d30b2ffdfb688bdf341c5b118.exe
Size

60KB
MD5

c24eeeb38d5c279b011cf4e475be7c63
SHA1

3ceedd2ce52df26ef7ce069e46d257e61f45b0c8
SHA256

15ffba13bfa69def699d25c7ec4b44b0675f148d30b2ffdfb688bdf341c5b118
SHA512

80a46172f5ab3ab3b9c44023ec003f56e169e2d7a8a05261f522e80a8008e6e6395cde9789725df9b05efdb724d83c48b4ddb02ff61aa08ad32b9eab2a101b95

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

2208 MediaCenter.exe

pid	process
2208	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:

15ffba13bfa69def699d25c7ec4b44b0675f148d30b2ffdfb688bdf341c5b118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	15ffba13bfa69def699d25c7ec4b44b0675f148d30b2ffdfb688bdf341c5b118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

15ffba13bfa69def699d25c7ec4b44b0675f148d30b2ffdfb688bdf341c5b118.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"	15ffba13bfa69def699d25c7ec4b44b0675f148d30b2ffdfb688bdf341c5b118.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\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.470502"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.786518"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892889573471171"	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\LinkLocalConnectionCount = "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\SwarmCount = "1"	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\FrDownloadRatePct = "90"	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\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\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4232"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\UploadMonthlyLanBytes = "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\PriorityDownloadCount = "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\InternetConnectionCount = "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\NormalDownloadCount = "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\UploadCount = "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\DownloadMonthlyLinkLocalBytes = "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\DownlinkUsageBps = "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\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4128"	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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyCdnBytes = "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\CDNConnectionCount = "0"	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\Config\DownloadMode_BackCompat = "1"	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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4072 PING.EXE

pid	process
4072	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

15ffba13bfa69def699d25c7ec4b44b0675f148d30b2ffdfb688bdf341c5b118.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1556	15ffba13bfa69def699d25c7ec4b44b0675f148d30b2ffdfb688bdf341c5b118.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe
Token: SeBackupPrivilege	2616	TiWorker.exe
Token: SeRestorePrivilege	2616	TiWorker.exe
Token: SeSecurityPrivilege	2616	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

15ffba13bfa69def699d25c7ec4b44b0675f148d30b2ffdfb688bdf341c5b118.execmd.exe

description	pid	process	target process
PID 1556 wrote to memory of 2208	1556	15ffba13bfa69def699d25c7ec4b44b0675f148d30b2ffdfb688bdf341c5b118.exe	MediaCenter.exe
PID 1556 wrote to memory of 2208	1556	15ffba13bfa69def699d25c7ec4b44b0675f148d30b2ffdfb688bdf341c5b118.exe	MediaCenter.exe
PID 1556 wrote to memory of 2208	1556	15ffba13bfa69def699d25c7ec4b44b0675f148d30b2ffdfb688bdf341c5b118.exe	MediaCenter.exe
PID 1556 wrote to memory of 3656	1556	15ffba13bfa69def699d25c7ec4b44b0675f148d30b2ffdfb688bdf341c5b118.exe	cmd.exe
PID 1556 wrote to memory of 3656	1556	15ffba13bfa69def699d25c7ec4b44b0675f148d30b2ffdfb688bdf341c5b118.exe	cmd.exe
PID 1556 wrote to memory of 3656	1556	15ffba13bfa69def699d25c7ec4b44b0675f148d30b2ffdfb688bdf341c5b118.exe	cmd.exe
PID 3656 wrote to memory of 4072	3656	cmd.exe	PING.EXE
PID 3656 wrote to memory of 4072	3656	cmd.exe	PING.EXE
PID 3656 wrote to memory of 4072	3656	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\15ffba13bfa69def699d25c7ec4b44b0675f148d30b2ffdfb688bdf341c5b118.exe
"C:\Users\Admin\AppData\Local\Temp\15ffba13bfa69def699d25c7ec4b44b0675f148d30b2ffdfb688bdf341c5b118.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1556

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2208

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\15ffba13bfa69def699d25c7ec4b44b0675f148d30b2ffdfb688bdf341c5b118.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3656

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:4072

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3880

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:2168

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:2616

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
20df6dc6bf3e3c43abf3386a771069b6

SHA1
c8ead668c3a2c8b8978aa26db77bdc386b4ffde9

SHA256
f65bb5671d0a8143880062a66d78de744857c87cf30d0fabb69d1e91e1e9a143

SHA512
fb89fe045ecba4620e5f29612eb73855d467f106d64da6b2a9218678a351a5c8c1e8fabd9cae04e718d1078b26be7fd188cdbfea6163da4b9f4a40b4ba53685a

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

MD5
20df6dc6bf3e3c43abf3386a771069b6

SHA1
c8ead668c3a2c8b8978aa26db77bdc386b4ffde9

SHA256
f65bb5671d0a8143880062a66d78de744857c87cf30d0fabb69d1e91e1e9a143

SHA512
fb89fe045ecba4620e5f29612eb73855d467f106d64da6b2a9218678a351a5c8c1e8fabd9cae04e718d1078b26be7fd188cdbfea6163da4b9f4a40b4ba53685a

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads