sakula | 09bdcfffdc11b330a3e7fdb084ac4422bdbad951cdc5478d27526b18e5050c4a

General

Target

09bdcfffdc11b330a3e7fdb084ac4422bdbad951cdc5478d27526b18e5050c4a.exe
Size

80KB
MD5

3df6cce53e1c4ac23896209eea50311d
SHA1

d764aaeddaa37c3a08d9added36aaa4874d7697c
SHA256

09bdcfffdc11b330a3e7fdb084ac4422bdbad951cdc5478d27526b18e5050c4a
SHA512

115cc7cd93943595a4f275dcbb63a51ec711520f1290813fa6d4f07ac533702cc38c1f082f3d2376ebcbd1f9d141b97336ee8652a453e0805979a651956750ad

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

2280 MediaCenter.exe

pid	process
2280	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:

09bdcfffdc11b330a3e7fdb084ac4422bdbad951cdc5478d27526b18e5050c4a.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	09bdcfffdc11b330a3e7fdb084ac4422bdbad951cdc5478d27526b18e5050c4a.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

09bdcfffdc11b330a3e7fdb084ac4422bdbad951cdc5478d27526b18e5050c4a.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"	09bdcfffdc11b330a3e7fdb084ac4422bdbad951cdc5478d27526b18e5050c4a.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 51 IoCs

Processes:

svchost.exe

description	ioc	process
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\PeerInfoCount = "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\UploadMonthlyLanBytes = "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 = "132893084429680944"	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\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.881155"	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\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\DownloadMonthlyLinkLocalBytes = "0"	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 = "8.337513"	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\CacheSizeBytes = "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\LinkLocalConnectionCount = "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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4308"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.006585"	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\DownloadMonthlyRateBkBps = "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\BkDownloadRatePct = "45"	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\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 (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\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 (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\Usage\CPUpct = "5.714251"	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\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "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\DownloadMonthlyLanBytes = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3964"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1900 PING.EXE

pid	process
1900	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	628	TiWorker.exe
Token: SeRestorePrivilege	628	TiWorker.exe
Token: SeBackupPrivilege	628	TiWorker.exe
Token: SeBackupPrivilege	628	TiWorker.exe
Token: SeRestorePrivilege	628	TiWorker.exe
Token: SeSecurityPrivilege	628	TiWorker.exe
Token: SeBackupPrivilege	628	TiWorker.exe
Token: SeRestorePrivilege	628	TiWorker.exe
Token: SeSecurityPrivilege	628	TiWorker.exe
Token: SeBackupPrivilege	628	TiWorker.exe
Token: SeRestorePrivilege	628	TiWorker.exe
Token: SeSecurityPrivilege	628	TiWorker.exe
Token: SeBackupPrivilege	628	TiWorker.exe
Token: SeRestorePrivilege	628	TiWorker.exe
Token: SeSecurityPrivilege	628	TiWorker.exe
Token: SeBackupPrivilege	628	TiWorker.exe
Token: SeRestorePrivilege	628	TiWorker.exe
Token: SeSecurityPrivilege	628	TiWorker.exe
Token: SeBackupPrivilege	628	TiWorker.exe
Token: SeRestorePrivilege	628	TiWorker.exe
Token: SeSecurityPrivilege	628	TiWorker.exe
Token: SeBackupPrivilege	628	TiWorker.exe
Token: SeRestorePrivilege	628	TiWorker.exe
Token: SeSecurityPrivilege	628	TiWorker.exe
Token: SeBackupPrivilege	628	TiWorker.exe
Token: SeRestorePrivilege	628	TiWorker.exe
Token: SeSecurityPrivilege	628	TiWorker.exe
Token: SeBackupPrivilege	628	TiWorker.exe
Token: SeRestorePrivilege	628	TiWorker.exe
Token: SeSecurityPrivilege	628	TiWorker.exe
Token: SeBackupPrivilege	628	TiWorker.exe
Token: SeRestorePrivilege	628	TiWorker.exe
Token: SeSecurityPrivilege	628	TiWorker.exe
Token: SeBackupPrivilege	628	TiWorker.exe
Token: SeRestorePrivilege	628	TiWorker.exe
Token: SeSecurityPrivilege	628	TiWorker.exe
Token: SeBackupPrivilege	628	TiWorker.exe
Token: SeRestorePrivilege	628	TiWorker.exe
Token: SeSecurityPrivilege	628	TiWorker.exe
Token: SeBackupPrivilege	628	TiWorker.exe
Token: SeRestorePrivilege	628	TiWorker.exe
Token: SeSecurityPrivilege	628	TiWorker.exe
Token: SeBackupPrivilege	628	TiWorker.exe
Token: SeRestorePrivilege	628	TiWorker.exe
Token: SeSecurityPrivilege	628	TiWorker.exe
Token: SeBackupPrivilege	628	TiWorker.exe
Token: SeRestorePrivilege	628	TiWorker.exe
Token: SeSecurityPrivilege	628	TiWorker.exe
Token: SeBackupPrivilege	628	TiWorker.exe
Token: SeRestorePrivilege	628	TiWorker.exe
Token: SeSecurityPrivilege	628	TiWorker.exe
Token: SeBackupPrivilege	628	TiWorker.exe
Token: SeRestorePrivilege	628	TiWorker.exe
Token: SeSecurityPrivilege	628	TiWorker.exe
Token: SeBackupPrivilege	628	TiWorker.exe
Token: SeRestorePrivilege	628	TiWorker.exe
Token: SeSecurityPrivilege	628	TiWorker.exe
Token: SeBackupPrivilege	628	TiWorker.exe
Token: SeRestorePrivilege	628	TiWorker.exe
Token: SeSecurityPrivilege	628	TiWorker.exe
Token: SeBackupPrivilege	628	TiWorker.exe
Token: SeRestorePrivilege	628	TiWorker.exe
Token: SeSecurityPrivilege	628	TiWorker.exe
Token: SeBackupPrivilege	628	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

09bdcfffdc11b330a3e7fdb084ac4422bdbad951cdc5478d27526b18e5050c4a.execmd.exe

description	pid	process	target process
PID 1248 wrote to memory of 2280	1248	09bdcfffdc11b330a3e7fdb084ac4422bdbad951cdc5478d27526b18e5050c4a.exe	MediaCenter.exe
PID 1248 wrote to memory of 2280	1248	09bdcfffdc11b330a3e7fdb084ac4422bdbad951cdc5478d27526b18e5050c4a.exe	MediaCenter.exe
PID 1248 wrote to memory of 2280	1248	09bdcfffdc11b330a3e7fdb084ac4422bdbad951cdc5478d27526b18e5050c4a.exe	MediaCenter.exe
PID 1248 wrote to memory of 1040	1248	09bdcfffdc11b330a3e7fdb084ac4422bdbad951cdc5478d27526b18e5050c4a.exe	cmd.exe
PID 1248 wrote to memory of 1040	1248	09bdcfffdc11b330a3e7fdb084ac4422bdbad951cdc5478d27526b18e5050c4a.exe	cmd.exe
PID 1248 wrote to memory of 1040	1248	09bdcfffdc11b330a3e7fdb084ac4422bdbad951cdc5478d27526b18e5050c4a.exe	cmd.exe
PID 1040 wrote to memory of 1900	1040	cmd.exe	PING.EXE
PID 1040 wrote to memory of 1900	1040	cmd.exe	PING.EXE
PID 1040 wrote to memory of 1900	1040	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\09bdcfffdc11b330a3e7fdb084ac4422bdbad951cdc5478d27526b18e5050c4a.exe
"C:\Users\Admin\AppData\Local\Temp\09bdcfffdc11b330a3e7fdb084ac4422bdbad951cdc5478d27526b18e5050c4a.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1248

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2280

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\09bdcfffdc11b330a3e7fdb084ac4422bdbad951cdc5478d27526b18e5050c4a.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1040

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1900

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1984

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:2504

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:628

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
0bfa0a26c19178cc1c65b12cc337391c

SHA1
73b33305aa97cdbeef881666becae2cb39c1b51e

SHA256
b3b56a7c43addaa18f3f6ce3aed785fd9062adca5252d8e5e543a0e870bcce4c

SHA512
a3aa89b9a7bec4034f97d84265a0f8bced493a141832046b62805d189f17bb576aecb6d72573591fcad5f72b0960e62db06c96d88ce4192e6a787b4b8fca0ef0

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
0bfa0a26c19178cc1c65b12cc337391c

SHA1
73b33305aa97cdbeef881666becae2cb39c1b51e

SHA256
b3b56a7c43addaa18f3f6ce3aed785fd9062adca5252d8e5e543a0e870bcce4c

SHA512
a3aa89b9a7bec4034f97d84265a0f8bced493a141832046b62805d189f17bb576aecb6d72573591fcad5f72b0960e62db06c96d88ce4192e6a787b4b8fca0ef0

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads