sakula | 061ceec3bf5bbd12b0c7b48aa45583cd1f9f24cdf6b97f6cdef2d1d40f82abe2

General

Target

061ceec3bf5bbd12b0c7b48aa45583cd1f9f24cdf6b97f6cdef2d1d40f82abe2.exe
Size

36KB
MD5

9c1971ecc1f8eddd522e5a7b52cda59e
SHA1

ed0dacc0d8cc62a97a451372a3e97bba14e26b41
SHA256

061ceec3bf5bbd12b0c7b48aa45583cd1f9f24cdf6b97f6cdef2d1d40f82abe2
SHA512

13d9620335192905320ecbed60aaca0d142884290e83fca2f86062a684fe817e46dcb81c5f23e52684c4e76fe0c55a505e8d8ba69339d50729b58894ad3ac64c

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

4072 MediaCenter.exe

pid	process
4072	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:

061ceec3bf5bbd12b0c7b48aa45583cd1f9f24cdf6b97f6cdef2d1d40f82abe2.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	061ceec3bf5bbd12b0c7b48aa45583cd1f9f24cdf6b97f6cdef2d1d40f82abe2.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

061ceec3bf5bbd12b0c7b48aa45583cd1f9f24cdf6b97f6cdef2d1d40f82abe2.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"	061ceec3bf5bbd12b0c7b48aa45583cd1f9f24cdf6b97f6cdef2d1d40f82abe2.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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\BkDownloadRatePct = "45"	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\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "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\NormalDownloadCount = "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\Config\DODownloadMode = "1"	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\DownloadMonthlyGroupBytes = "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\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\NormalDownloadPendingCount = "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\UploadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.194704"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4152"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.091575"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4304"	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\CDNConnectionCount = "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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.142851"	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\Config	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "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\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\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\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893140850544908"	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\DownloadMonthlyRateFrBps = "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\InternetConnectionCount = "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\UploadRatePct = "100"	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\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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4204"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2828 PING.EXE

pid	process
2828	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	1420	TiWorker.exe
Token: SeRestorePrivilege	1420	TiWorker.exe
Token: SeBackupPrivilege	1420	TiWorker.exe
Token: SeBackupPrivilege	1420	TiWorker.exe
Token: SeRestorePrivilege	1420	TiWorker.exe
Token: SeSecurityPrivilege	1420	TiWorker.exe
Token: SeBackupPrivilege	1420	TiWorker.exe
Token: SeRestorePrivilege	1420	TiWorker.exe
Token: SeSecurityPrivilege	1420	TiWorker.exe
Token: SeBackupPrivilege	1420	TiWorker.exe
Token: SeRestorePrivilege	1420	TiWorker.exe
Token: SeSecurityPrivilege	1420	TiWorker.exe
Token: SeBackupPrivilege	1420	TiWorker.exe
Token: SeRestorePrivilege	1420	TiWorker.exe
Token: SeSecurityPrivilege	1420	TiWorker.exe
Token: SeBackupPrivilege	1420	TiWorker.exe
Token: SeRestorePrivilege	1420	TiWorker.exe
Token: SeSecurityPrivilege	1420	TiWorker.exe
Token: SeBackupPrivilege	1420	TiWorker.exe
Token: SeRestorePrivilege	1420	TiWorker.exe
Token: SeSecurityPrivilege	1420	TiWorker.exe
Token: SeBackupPrivilege	1420	TiWorker.exe
Token: SeRestorePrivilege	1420	TiWorker.exe
Token: SeSecurityPrivilege	1420	TiWorker.exe
Token: SeBackupPrivilege	1420	TiWorker.exe
Token: SeRestorePrivilege	1420	TiWorker.exe
Token: SeSecurityPrivilege	1420	TiWorker.exe
Token: SeBackupPrivilege	1420	TiWorker.exe
Token: SeRestorePrivilege	1420	TiWorker.exe
Token: SeSecurityPrivilege	1420	TiWorker.exe
Token: SeBackupPrivilege	1420	TiWorker.exe
Token: SeRestorePrivilege	1420	TiWorker.exe
Token: SeSecurityPrivilege	1420	TiWorker.exe
Token: SeBackupPrivilege	1420	TiWorker.exe
Token: SeRestorePrivilege	1420	TiWorker.exe
Token: SeSecurityPrivilege	1420	TiWorker.exe
Token: SeBackupPrivilege	1420	TiWorker.exe
Token: SeRestorePrivilege	1420	TiWorker.exe
Token: SeSecurityPrivilege	1420	TiWorker.exe
Token: SeBackupPrivilege	1420	TiWorker.exe
Token: SeRestorePrivilege	1420	TiWorker.exe
Token: SeSecurityPrivilege	1420	TiWorker.exe
Token: SeBackupPrivilege	1420	TiWorker.exe
Token: SeRestorePrivilege	1420	TiWorker.exe
Token: SeSecurityPrivilege	1420	TiWorker.exe
Token: SeBackupPrivilege	1420	TiWorker.exe
Token: SeRestorePrivilege	1420	TiWorker.exe
Token: SeSecurityPrivilege	1420	TiWorker.exe
Token: SeBackupPrivilege	1420	TiWorker.exe
Token: SeRestorePrivilege	1420	TiWorker.exe
Token: SeSecurityPrivilege	1420	TiWorker.exe
Token: SeBackupPrivilege	1420	TiWorker.exe
Token: SeRestorePrivilege	1420	TiWorker.exe
Token: SeSecurityPrivilege	1420	TiWorker.exe
Token: SeBackupPrivilege	1420	TiWorker.exe
Token: SeRestorePrivilege	1420	TiWorker.exe
Token: SeSecurityPrivilege	1420	TiWorker.exe
Token: SeBackupPrivilege	1420	TiWorker.exe
Token: SeRestorePrivilege	1420	TiWorker.exe
Token: SeSecurityPrivilege	1420	TiWorker.exe
Token: SeBackupPrivilege	1420	TiWorker.exe
Token: SeRestorePrivilege	1420	TiWorker.exe
Token: SeSecurityPrivilege	1420	TiWorker.exe
Token: SeBackupPrivilege	1420	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

061ceec3bf5bbd12b0c7b48aa45583cd1f9f24cdf6b97f6cdef2d1d40f82abe2.execmd.exe

description	pid	process	target process
PID 2452 wrote to memory of 4072	2452	061ceec3bf5bbd12b0c7b48aa45583cd1f9f24cdf6b97f6cdef2d1d40f82abe2.exe	MediaCenter.exe
PID 2452 wrote to memory of 4072	2452	061ceec3bf5bbd12b0c7b48aa45583cd1f9f24cdf6b97f6cdef2d1d40f82abe2.exe	MediaCenter.exe
PID 2452 wrote to memory of 4072	2452	061ceec3bf5bbd12b0c7b48aa45583cd1f9f24cdf6b97f6cdef2d1d40f82abe2.exe	MediaCenter.exe
PID 2452 wrote to memory of 1152	2452	061ceec3bf5bbd12b0c7b48aa45583cd1f9f24cdf6b97f6cdef2d1d40f82abe2.exe	cmd.exe
PID 2452 wrote to memory of 1152	2452	061ceec3bf5bbd12b0c7b48aa45583cd1f9f24cdf6b97f6cdef2d1d40f82abe2.exe	cmd.exe
PID 2452 wrote to memory of 1152	2452	061ceec3bf5bbd12b0c7b48aa45583cd1f9f24cdf6b97f6cdef2d1d40f82abe2.exe	cmd.exe
PID 1152 wrote to memory of 2828	1152	cmd.exe	PING.EXE
PID 1152 wrote to memory of 2828	1152	cmd.exe	PING.EXE
PID 1152 wrote to memory of 2828	1152	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\061ceec3bf5bbd12b0c7b48aa45583cd1f9f24cdf6b97f6cdef2d1d40f82abe2.exe
"C:\Users\Admin\AppData\Local\Temp\061ceec3bf5bbd12b0c7b48aa45583cd1f9f24cdf6b97f6cdef2d1d40f82abe2.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2452

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:4072

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\061ceec3bf5bbd12b0c7b48aa45583cd1f9f24cdf6b97f6cdef2d1d40f82abe2.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1152

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2828

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:484

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:1376

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:1420

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
a08fac5ec34becf4dd84296b300f34a6

SHA1
99dc0b47dd5fd8aec83606d099da01967db2646a

SHA256
38534e32f53bf0504569036943bac48e3f5c86aa8e04d5d05bf7918740700248

SHA512
56fb9539cf8b697fe26e4a6b7039852316c2d07be6b8b4451844417cce2189ac5c54f153a370e5b47bc1669fc5493d19e53d2b1cd580ad7552b5d4dc13ef8d24

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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
a08fac5ec34becf4dd84296b300f34a6

SHA1
99dc0b47dd5fd8aec83606d099da01967db2646a

SHA256
38534e32f53bf0504569036943bac48e3f5c86aa8e04d5d05bf7918740700248

SHA512
56fb9539cf8b697fe26e4a6b7039852316c2d07be6b8b4451844417cce2189ac5c54f153a370e5b47bc1669fc5493d19e53d2b1cd580ad7552b5d4dc13ef8d24

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads