sakula | 0897434e86349228be72901e4127ace95fa3bb2475e2adefa2851f0221d3ca27

General

Target

0897434e86349228be72901e4127ace95fa3bb2475e2adefa2851f0221d3ca27.exe
Size

152KB
MD5

8cdc21cba19c7031be6eda60c4934f43
SHA1

d4fb28b03fea48a0e3b95b76e13dcc3e3c5ad987
SHA256

0897434e86349228be72901e4127ace95fa3bb2475e2adefa2851f0221d3ca27
SHA512

5accedbf20aef38628f975123a1b25d88ecead7086ff20c0882e4b98f9c1c7a412c7299a9ef2e457318b47afcd374d6f8b54798f1b575abee030021ab7e1f404

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

3000 MediaCenter.exe

pid	process
3000	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:

0897434e86349228be72901e4127ace95fa3bb2475e2adefa2851f0221d3ca27.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0897434e86349228be72901e4127ace95fa3bb2475e2adefa2851f0221d3ca27.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0897434e86349228be72901e4127ace95fa3bb2475e2adefa2851f0221d3ca27.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"	0897434e86349228be72901e4127ace95fa3bb2475e2adefa2851f0221d3ca27.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.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 51 IoCs

Processes:

svchost.exe

description	ioc	process
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\Config\DownloadMode_BackCompat = "1"	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\DownloadMonthlyGroupBytes = "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\Usage\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893104496792026"	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\LANConnectionCount = "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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.362687"	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 = "4332"	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 = "0.892800"	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\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	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\PeerInfoCount = "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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4120"	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\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4092"	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 (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\DownlinkBps = "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\DODownloadMode = "1"	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\DownloadMonthlyRateBkBps = "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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.847458"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "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\InternetConnectionCount = "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\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 (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

996 PING.EXE

pid	process
996	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0897434e86349228be72901e4127ace95fa3bb2475e2adefa2851f0221d3ca27.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3988	0897434e86349228be72901e4127ace95fa3bb2475e2adefa2851f0221d3ca27.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0897434e86349228be72901e4127ace95fa3bb2475e2adefa2851f0221d3ca27.execmd.exe

description	pid	process	target process
PID 3988 wrote to memory of 3000	3988	0897434e86349228be72901e4127ace95fa3bb2475e2adefa2851f0221d3ca27.exe	MediaCenter.exe
PID 3988 wrote to memory of 3000	3988	0897434e86349228be72901e4127ace95fa3bb2475e2adefa2851f0221d3ca27.exe	MediaCenter.exe
PID 3988 wrote to memory of 3000	3988	0897434e86349228be72901e4127ace95fa3bb2475e2adefa2851f0221d3ca27.exe	MediaCenter.exe
PID 3988 wrote to memory of 3332	3988	0897434e86349228be72901e4127ace95fa3bb2475e2adefa2851f0221d3ca27.exe	cmd.exe
PID 3988 wrote to memory of 3332	3988	0897434e86349228be72901e4127ace95fa3bb2475e2adefa2851f0221d3ca27.exe	cmd.exe
PID 3988 wrote to memory of 3332	3988	0897434e86349228be72901e4127ace95fa3bb2475e2adefa2851f0221d3ca27.exe	cmd.exe
PID 3332 wrote to memory of 996	3332	cmd.exe	PING.EXE
PID 3332 wrote to memory of 996	3332	cmd.exe	PING.EXE
PID 3332 wrote to memory of 996	3332	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0897434e86349228be72901e4127ace95fa3bb2475e2adefa2851f0221d3ca27.exe
"C:\Users\Admin\AppData\Local\Temp\0897434e86349228be72901e4127ace95fa3bb2475e2adefa2851f0221d3ca27.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3988

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3000

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0897434e86349228be72901e4127ace95fa3bb2475e2adefa2851f0221d3ca27.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3332

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:996

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:3924

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:2744

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1556

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
1a1c91d432a2b2d69013e80b78ebc009

SHA1
a90b6e5a35daa3976ccc1f09c8aaf9f414af2864

SHA256
62b4021d17b564890646f7c08a80a1add574063b125970f823e80088de390249

SHA512
cba05f72e152d2e7e12f990543605322bc8c7a09d5def83aa21029e36463203cd616f9d6b76871ef9d27dbe84b795ea1aef825dccc4aa4720980369c29e20875

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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
1a1c91d432a2b2d69013e80b78ebc009

SHA1
a90b6e5a35daa3976ccc1f09c8aaf9f414af2864

SHA256
62b4021d17b564890646f7c08a80a1add574063b125970f823e80088de390249

SHA512
cba05f72e152d2e7e12f990543605322bc8c7a09d5def83aa21029e36463203cd616f9d6b76871ef9d27dbe84b795ea1aef825dccc4aa4720980369c29e20875

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads