sakula | 13c973de9cf0bf19bdc2166520fc9642c6b8759a604ca5971848bc10e13745b8

General

Target

13c973de9cf0bf19bdc2166520fc9642c6b8759a604ca5971848bc10e13745b8.exe
Size

101KB
MD5

6a75ba6d9e16c05f224d3ef41d7ff143
SHA1

4e67625a7341475d3d28e9d6d42a74f3389a175d
SHA256

13c973de9cf0bf19bdc2166520fc9642c6b8759a604ca5971848bc10e13745b8
SHA512

1f8ba160ad1aa0030ece3e9ef44dc66d1a02cbe33e63cf6499977e2cb11b94960ebd4e7ff4fdc107eb63c6d0aef275c45f8f22146c7adf2f23cc3bc7c1bb40f9

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

224 MediaCenter.exe

pid	process
224	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:

13c973de9cf0bf19bdc2166520fc9642c6b8759a604ca5971848bc10e13745b8.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	13c973de9cf0bf19bdc2166520fc9642c6b8759a604ca5971848bc10e13745b8.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

13c973de9cf0bf19bdc2166520fc9642c6b8759a604ca5971848bc10e13745b8.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"	13c973de9cf0bf19bdc2166520fc9642c6b8759a604ca5971848bc10e13745b8.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\NormalDownloadCount = "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\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo"	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\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\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4256"	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\DownloadMonthlyLinkLocalBytes = "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\GroupConnectionCount = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.256469"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4104"	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\DownloadMonthlyRateFrBps = "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\LinkLocalConnectionCount = "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\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\SwarmCount = "1"	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\NormalDownloadPendingCount = "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\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\DownloadMonthlyCacheHostBytes = "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\SwarmCount = "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\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\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\UplinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.206610"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892922846813612"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	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\UploadMonthlyLanBytes = "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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1932 PING.EXE

pid	process
1932	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe13c973de9cf0bf19bdc2166520fc9642c6b8759a604ca5971848bc10e13745b8.exe

description	pid	process
Token: SeSecurityPrivilege	2108	TiWorker.exe
Token: SeRestorePrivilege	2108	TiWorker.exe
Token: SeBackupPrivilege	2108	TiWorker.exe
Token: SeBackupPrivilege	2108	TiWorker.exe
Token: SeRestorePrivilege	2108	TiWorker.exe
Token: SeSecurityPrivilege	2108	TiWorker.exe
Token: SeBackupPrivilege	2108	TiWorker.exe
Token: SeRestorePrivilege	2108	TiWorker.exe
Token: SeSecurityPrivilege	2108	TiWorker.exe
Token: SeBackupPrivilege	2108	TiWorker.exe
Token: SeRestorePrivilege	2108	TiWorker.exe
Token: SeSecurityPrivilege	2108	TiWorker.exe
Token: SeBackupPrivilege	2108	TiWorker.exe
Token: SeRestorePrivilege	2108	TiWorker.exe
Token: SeSecurityPrivilege	2108	TiWorker.exe
Token: SeBackupPrivilege	2108	TiWorker.exe
Token: SeRestorePrivilege	2108	TiWorker.exe
Token: SeSecurityPrivilege	2108	TiWorker.exe
Token: SeBackupPrivilege	2108	TiWorker.exe
Token: SeRestorePrivilege	2108	TiWorker.exe
Token: SeSecurityPrivilege	2108	TiWorker.exe
Token: SeIncBasePriorityPrivilege	4072	13c973de9cf0bf19bdc2166520fc9642c6b8759a604ca5971848bc10e13745b8.exe
Token: SeBackupPrivilege	2108	TiWorker.exe
Token: SeRestorePrivilege	2108	TiWorker.exe
Token: SeSecurityPrivilege	2108	TiWorker.exe
Token: SeBackupPrivilege	2108	TiWorker.exe
Token: SeRestorePrivilege	2108	TiWorker.exe
Token: SeSecurityPrivilege	2108	TiWorker.exe
Token: SeBackupPrivilege	2108	TiWorker.exe
Token: SeRestorePrivilege	2108	TiWorker.exe
Token: SeSecurityPrivilege	2108	TiWorker.exe
Token: SeBackupPrivilege	2108	TiWorker.exe
Token: SeRestorePrivilege	2108	TiWorker.exe
Token: SeSecurityPrivilege	2108	TiWorker.exe
Token: SeBackupPrivilege	2108	TiWorker.exe
Token: SeRestorePrivilege	2108	TiWorker.exe
Token: SeSecurityPrivilege	2108	TiWorker.exe
Token: SeBackupPrivilege	2108	TiWorker.exe
Token: SeRestorePrivilege	2108	TiWorker.exe
Token: SeSecurityPrivilege	2108	TiWorker.exe
Token: SeBackupPrivilege	2108	TiWorker.exe
Token: SeRestorePrivilege	2108	TiWorker.exe
Token: SeSecurityPrivilege	2108	TiWorker.exe
Token: SeBackupPrivilege	2108	TiWorker.exe
Token: SeRestorePrivilege	2108	TiWorker.exe
Token: SeSecurityPrivilege	2108	TiWorker.exe
Token: SeBackupPrivilege	2108	TiWorker.exe
Token: SeRestorePrivilege	2108	TiWorker.exe
Token: SeSecurityPrivilege	2108	TiWorker.exe
Token: SeBackupPrivilege	2108	TiWorker.exe
Token: SeRestorePrivilege	2108	TiWorker.exe
Token: SeSecurityPrivilege	2108	TiWorker.exe
Token: SeBackupPrivilege	2108	TiWorker.exe
Token: SeRestorePrivilege	2108	TiWorker.exe
Token: SeSecurityPrivilege	2108	TiWorker.exe
Token: SeBackupPrivilege	2108	TiWorker.exe
Token: SeRestorePrivilege	2108	TiWorker.exe
Token: SeSecurityPrivilege	2108	TiWorker.exe
Token: SeBackupPrivilege	2108	TiWorker.exe
Token: SeRestorePrivilege	2108	TiWorker.exe
Token: SeSecurityPrivilege	2108	TiWorker.exe
Token: SeBackupPrivilege	2108	TiWorker.exe
Token: SeRestorePrivilege	2108	TiWorker.exe
Token: SeSecurityPrivilege	2108	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

13c973de9cf0bf19bdc2166520fc9642c6b8759a604ca5971848bc10e13745b8.execmd.exe

description	pid	process	target process
PID 4072 wrote to memory of 224	4072	13c973de9cf0bf19bdc2166520fc9642c6b8759a604ca5971848bc10e13745b8.exe	MediaCenter.exe
PID 4072 wrote to memory of 224	4072	13c973de9cf0bf19bdc2166520fc9642c6b8759a604ca5971848bc10e13745b8.exe	MediaCenter.exe
PID 4072 wrote to memory of 224	4072	13c973de9cf0bf19bdc2166520fc9642c6b8759a604ca5971848bc10e13745b8.exe	MediaCenter.exe
PID 4072 wrote to memory of 1944	4072	13c973de9cf0bf19bdc2166520fc9642c6b8759a604ca5971848bc10e13745b8.exe	cmd.exe
PID 4072 wrote to memory of 1944	4072	13c973de9cf0bf19bdc2166520fc9642c6b8759a604ca5971848bc10e13745b8.exe	cmd.exe
PID 4072 wrote to memory of 1944	4072	13c973de9cf0bf19bdc2166520fc9642c6b8759a604ca5971848bc10e13745b8.exe	cmd.exe
PID 1944 wrote to memory of 1932	1944	cmd.exe	PING.EXE
PID 1944 wrote to memory of 1932	1944	cmd.exe	PING.EXE
PID 1944 wrote to memory of 1932	1944	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\13c973de9cf0bf19bdc2166520fc9642c6b8759a604ca5971848bc10e13745b8.exe
"C:\Users\Admin\AppData\Local\Temp\13c973de9cf0bf19bdc2166520fc9642c6b8759a604ca5971848bc10e13745b8.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4072

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:224

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\13c973de9cf0bf19bdc2166520fc9642c6b8759a604ca5971848bc10e13745b8.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1944

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1932

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:652

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:3956

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:2108

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
b31361d8fa2d8448a7f947b30494406f

SHA1
de12b6f587d465d670ab4d3db263f9ec58f0cc08

SHA256
6b4e2a2ec72d5b8d016203eafa1bc6fba9973098eb9eb14fd563d16cdb2f7e16

SHA512
59fc769b1f34ec46ad3ba24d1cc6ffbf19b4c2b32b31f5cf02e66a5fe24a54245f2de1118ba2915a86d95c9656f4e1612d1fa904bde9b517c5e6bbf1d0bfa2a6

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

MD5
b31361d8fa2d8448a7f947b30494406f

SHA1
de12b6f587d465d670ab4d3db263f9ec58f0cc08

SHA256
6b4e2a2ec72d5b8d016203eafa1bc6fba9973098eb9eb14fd563d16cdb2f7e16

SHA512
59fc769b1f34ec46ad3ba24d1cc6ffbf19b4c2b32b31f5cf02e66a5fe24a54245f2de1118ba2915a86d95c9656f4e1612d1fa904bde9b517c5e6bbf1d0bfa2a6

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads