sakula | 1281d7f5c56a4bdb974f6151972603afd55d07ecb3fc5306cc3945158f4936f3

General

Target

1281d7f5c56a4bdb974f6151972603afd55d07ecb3fc5306cc3945158f4936f3.exe
Size

80KB
MD5

4b4c129f9cce90f19f303b5d0c52452b
SHA1

60925ab268d4cef64806cc1962258b524b448a46
SHA256

1281d7f5c56a4bdb974f6151972603afd55d07ecb3fc5306cc3945158f4936f3
SHA512

366e24f43037d1607a04b0cd6e87f6aa587e2457980569f58d4ef6e77e3aebf4b3a93b493d5b4a3b8e886b6a262b6ae972d49057f3910e9b29a4f91a1a283517

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

3888 MediaCenter.exe

pid	process
3888	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:

1281d7f5c56a4bdb974f6151972603afd55d07ecb3fc5306cc3945158f4936f3.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1281d7f5c56a4bdb974f6151972603afd55d07ecb3fc5306cc3945158f4936f3.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1281d7f5c56a4bdb974f6151972603afd55d07ecb3fc5306cc3945158f4936f3.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"	1281d7f5c56a4bdb974f6151972603afd55d07ecb3fc5306cc3945158f4936f3.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\LANConnectionCount = "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\KVFileExpirationTime = "132892939205761501"	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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.013228"	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\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\UploadRatePct = "100"	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 (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\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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.938373"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4268"	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
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 (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\Config\DODownloadMode = "1"	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\DownloadMonthlyRateFrBps = "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
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\Settings	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\MonthlyUploadRestriction = "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\DownloadMonthlyCacheHostBytes = "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\BkDownloadRatePct = "45"	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\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\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\UploadMonthlyInternetBytes = "0"	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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4064"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.651197"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3940"	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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3396 PING.EXE

pid	process
3396	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe1281d7f5c56a4bdb974f6151972603afd55d07ecb3fc5306cc3945158f4936f3.exe

description	pid	process
Token: SeSecurityPrivilege	3656	TiWorker.exe
Token: SeRestorePrivilege	3656	TiWorker.exe
Token: SeBackupPrivilege	3656	TiWorker.exe
Token: SeBackupPrivilege	3656	TiWorker.exe
Token: SeRestorePrivilege	3656	TiWorker.exe
Token: SeSecurityPrivilege	3656	TiWorker.exe
Token: SeBackupPrivilege	3656	TiWorker.exe
Token: SeRestorePrivilege	3656	TiWorker.exe
Token: SeSecurityPrivilege	3656	TiWorker.exe
Token: SeBackupPrivilege	3656	TiWorker.exe
Token: SeRestorePrivilege	3656	TiWorker.exe
Token: SeSecurityPrivilege	3656	TiWorker.exe
Token: SeBackupPrivilege	3656	TiWorker.exe
Token: SeRestorePrivilege	3656	TiWorker.exe
Token: SeSecurityPrivilege	3656	TiWorker.exe
Token: SeBackupPrivilege	3656	TiWorker.exe
Token: SeRestorePrivilege	3656	TiWorker.exe
Token: SeSecurityPrivilege	3656	TiWorker.exe
Token: SeIncBasePriorityPrivilege	1064	1281d7f5c56a4bdb974f6151972603afd55d07ecb3fc5306cc3945158f4936f3.exe
Token: SeBackupPrivilege	3656	TiWorker.exe
Token: SeRestorePrivilege	3656	TiWorker.exe
Token: SeSecurityPrivilege	3656	TiWorker.exe
Token: SeBackupPrivilege	3656	TiWorker.exe
Token: SeRestorePrivilege	3656	TiWorker.exe
Token: SeSecurityPrivilege	3656	TiWorker.exe
Token: SeBackupPrivilege	3656	TiWorker.exe
Token: SeRestorePrivilege	3656	TiWorker.exe
Token: SeSecurityPrivilege	3656	TiWorker.exe
Token: SeBackupPrivilege	3656	TiWorker.exe
Token: SeRestorePrivilege	3656	TiWorker.exe
Token: SeSecurityPrivilege	3656	TiWorker.exe
Token: SeBackupPrivilege	3656	TiWorker.exe
Token: SeRestorePrivilege	3656	TiWorker.exe
Token: SeSecurityPrivilege	3656	TiWorker.exe
Token: SeBackupPrivilege	3656	TiWorker.exe
Token: SeRestorePrivilege	3656	TiWorker.exe
Token: SeSecurityPrivilege	3656	TiWorker.exe
Token: SeBackupPrivilege	3656	TiWorker.exe
Token: SeRestorePrivilege	3656	TiWorker.exe
Token: SeSecurityPrivilege	3656	TiWorker.exe
Token: SeBackupPrivilege	3656	TiWorker.exe
Token: SeRestorePrivilege	3656	TiWorker.exe
Token: SeSecurityPrivilege	3656	TiWorker.exe
Token: SeBackupPrivilege	3656	TiWorker.exe
Token: SeRestorePrivilege	3656	TiWorker.exe
Token: SeSecurityPrivilege	3656	TiWorker.exe
Token: SeBackupPrivilege	3656	TiWorker.exe
Token: SeRestorePrivilege	3656	TiWorker.exe
Token: SeSecurityPrivilege	3656	TiWorker.exe
Token: SeBackupPrivilege	3656	TiWorker.exe
Token: SeRestorePrivilege	3656	TiWorker.exe
Token: SeSecurityPrivilege	3656	TiWorker.exe
Token: SeBackupPrivilege	3656	TiWorker.exe
Token: SeRestorePrivilege	3656	TiWorker.exe
Token: SeSecurityPrivilege	3656	TiWorker.exe
Token: SeBackupPrivilege	3656	TiWorker.exe
Token: SeRestorePrivilege	3656	TiWorker.exe
Token: SeSecurityPrivilege	3656	TiWorker.exe
Token: SeBackupPrivilege	3656	TiWorker.exe
Token: SeRestorePrivilege	3656	TiWorker.exe
Token: SeSecurityPrivilege	3656	TiWorker.exe
Token: SeBackupPrivilege	3656	TiWorker.exe
Token: SeRestorePrivilege	3656	TiWorker.exe
Token: SeSecurityPrivilege	3656	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1281d7f5c56a4bdb974f6151972603afd55d07ecb3fc5306cc3945158f4936f3.execmd.exe

description	pid	process	target process
PID 1064 wrote to memory of 3888	1064	1281d7f5c56a4bdb974f6151972603afd55d07ecb3fc5306cc3945158f4936f3.exe	MediaCenter.exe
PID 1064 wrote to memory of 3888	1064	1281d7f5c56a4bdb974f6151972603afd55d07ecb3fc5306cc3945158f4936f3.exe	MediaCenter.exe
PID 1064 wrote to memory of 3888	1064	1281d7f5c56a4bdb974f6151972603afd55d07ecb3fc5306cc3945158f4936f3.exe	MediaCenter.exe
PID 1064 wrote to memory of 1308	1064	1281d7f5c56a4bdb974f6151972603afd55d07ecb3fc5306cc3945158f4936f3.exe	cmd.exe
PID 1064 wrote to memory of 1308	1064	1281d7f5c56a4bdb974f6151972603afd55d07ecb3fc5306cc3945158f4936f3.exe	cmd.exe
PID 1064 wrote to memory of 1308	1064	1281d7f5c56a4bdb974f6151972603afd55d07ecb3fc5306cc3945158f4936f3.exe	cmd.exe
PID 1308 wrote to memory of 3396	1308	cmd.exe	PING.EXE
PID 1308 wrote to memory of 3396	1308	cmd.exe	PING.EXE
PID 1308 wrote to memory of 3396	1308	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1281d7f5c56a4bdb974f6151972603afd55d07ecb3fc5306cc3945158f4936f3.exe
"C:\Users\Admin\AppData\Local\Temp\1281d7f5c56a4bdb974f6151972603afd55d07ecb3fc5306cc3945158f4936f3.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1064

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3888

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1281d7f5c56a4bdb974f6151972603afd55d07ecb3fc5306cc3945158f4936f3.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1308

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3396

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1896

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:1992

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:3656

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
19845b9b5f6650f7cfd63fcaed6709fb

SHA1
4f18858caebca41724117b8531f5585cda2cbb02

SHA256
e85356956a16a9862dcaa1dc9c22768bee307fd612a01d59a4a4dc83bdd13004

SHA512
7dde62d409c0bf378420d3f3cf01e4f59da8cac96385a30cae25f1932649c42824acf197a3fbc5fb2c779f155ceeab8cd5c92e3b142e5f63afbed92a69e42b7d

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

MD5
19845b9b5f6650f7cfd63fcaed6709fb

SHA1
4f18858caebca41724117b8531f5585cda2cbb02

SHA256
e85356956a16a9862dcaa1dc9c22768bee307fd612a01d59a4a4dc83bdd13004

SHA512
7dde62d409c0bf378420d3f3cf01e4f59da8cac96385a30cae25f1932649c42824acf197a3fbc5fb2c779f155ceeab8cd5c92e3b142e5f63afbed92a69e42b7d

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads