sakula | 18b40d316499a87430b4a8fc108cd827d4879fb982134fc5fb47ac61e5f76348

General

Target

18b40d316499a87430b4a8fc108cd827d4879fb982134fc5fb47ac61e5f76348.exe
Size

92KB
MD5

3ef84c10c55dec6cc90f7f8d8317a772
SHA1

63fe6ca8c523f582ca8c517a3a0698d638cbcc53
SHA256

18b40d316499a87430b4a8fc108cd827d4879fb982134fc5fb47ac61e5f76348
SHA512

51b422610652683e40be56715358e5c11ac69d48d71b49feef50c99951322a75578f178ebc97fcd83ec8c083179ec0524276290e027d9af47d237ec045d6b825

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

2552 MediaCenter.exe

pid	process
2552	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:

18b40d316499a87430b4a8fc108cd827d4879fb982134fc5fb47ac61e5f76348.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	18b40d316499a87430b4a8fc108cd827d4879fb982134fc5fb47ac61e5f76348.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

18b40d316499a87430b4a8fc108cd827d4879fb982134fc5fb47ac61e5f76348.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"	18b40d316499a87430b4a8fc108cd827d4879fb982134fc5fb47ac61e5f76348.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\UploadMonthlyInternetBytes = "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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "10.001383"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "16.659985"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1"	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\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\BkDownloadRatePct = "45"	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\PriorityDownloadPendingCount = "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\CacheSizeBytes = "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\DownloadMonthlyCdnBytes = "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\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "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\Settings	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\SwarmCount = "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\UploadCount = "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\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 (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\CDNConnectionCount = "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\DownloadMonthlyRateFrBps = "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\DownlinkUsageBps = "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\NormalDownloadCount = "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\SwarmCount = "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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892850742498713"	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 = "4.411794"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4196"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4412"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2364 PING.EXE

pid	process
2364	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe18b40d316499a87430b4a8fc108cd827d4879fb982134fc5fb47ac61e5f76348.exe

description	pid	process
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeIncBasePriorityPrivilege	2244	18b40d316499a87430b4a8fc108cd827d4879fb982134fc5fb47ac61e5f76348.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

18b40d316499a87430b4a8fc108cd827d4879fb982134fc5fb47ac61e5f76348.execmd.exe

description	pid	process	target process
PID 2244 wrote to memory of 2552	2244	18b40d316499a87430b4a8fc108cd827d4879fb982134fc5fb47ac61e5f76348.exe	MediaCenter.exe
PID 2244 wrote to memory of 2552	2244	18b40d316499a87430b4a8fc108cd827d4879fb982134fc5fb47ac61e5f76348.exe	MediaCenter.exe
PID 2244 wrote to memory of 2552	2244	18b40d316499a87430b4a8fc108cd827d4879fb982134fc5fb47ac61e5f76348.exe	MediaCenter.exe
PID 2244 wrote to memory of 208	2244	18b40d316499a87430b4a8fc108cd827d4879fb982134fc5fb47ac61e5f76348.exe	cmd.exe
PID 2244 wrote to memory of 208	2244	18b40d316499a87430b4a8fc108cd827d4879fb982134fc5fb47ac61e5f76348.exe	cmd.exe
PID 2244 wrote to memory of 208	2244	18b40d316499a87430b4a8fc108cd827d4879fb982134fc5fb47ac61e5f76348.exe	cmd.exe
PID 208 wrote to memory of 2364	208	cmd.exe	PING.EXE
PID 208 wrote to memory of 2364	208	cmd.exe	PING.EXE
PID 208 wrote to memory of 2364	208	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\18b40d316499a87430b4a8fc108cd827d4879fb982134fc5fb47ac61e5f76348.exe
"C:\Users\Admin\AppData\Local\Temp\18b40d316499a87430b4a8fc108cd827d4879fb982134fc5fb47ac61e5f76348.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2244

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2552

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\18b40d316499a87430b4a8fc108cd827d4879fb982134fc5fb47ac61e5f76348.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:208

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2364

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3968

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:3944

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:3972

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
f6fe6c9c32a5637655dd6ae8ddde7b6d

SHA1
a81a04720975bb289a4ef8b2102ef161ba8f4124

SHA256
ec58c5cee0d51e4bda1a6c3084d7fc41455a75bb1019e805f481722248f4feed

SHA512
0daf5b75e2c1ecc2fd72dab6a9e2b6e8c26cad9ce72d4b836219a9b4833aeaaf7429c7705a20d567c8dc6381b4946dd23ef45b47b069b25be141e45e1cee435b

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

MD5
f6fe6c9c32a5637655dd6ae8ddde7b6d

SHA1
a81a04720975bb289a4ef8b2102ef161ba8f4124

SHA256
ec58c5cee0d51e4bda1a6c3084d7fc41455a75bb1019e805f481722248f4feed

SHA512
0daf5b75e2c1ecc2fd72dab6a9e2b6e8c26cad9ce72d4b836219a9b4833aeaaf7429c7705a20d567c8dc6381b4946dd23ef45b47b069b25be141e45e1cee435b

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads