sakula | 1093fb813436876accbdec43d77874b09ff7682e6b6e9d9a72566b55d09c4c65

General

Target

1093fb813436876accbdec43d77874b09ff7682e6b6e9d9a72566b55d09c4c65.exe
Size

191KB
MD5

94d1b47f4cdfa4785ad8772aa586ff4e
SHA1

2001036aa001d0b6efca09e34517e027caadd104
SHA256

1093fb813436876accbdec43d77874b09ff7682e6b6e9d9a72566b55d09c4c65
SHA512

226264d13284a76c7a85c10cd6482d3784602666df4308e2b84e2a143e0a7fc3331dc9de7ef31242ccb6c53720f8977da0c4da40b9323c98f0db450c050f3ad1

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

2484 MediaCenter.exe

pid	process
2484	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:

1093fb813436876accbdec43d77874b09ff7682e6b6e9d9a72566b55d09c4c65.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1093fb813436876accbdec43d77874b09ff7682e6b6e9d9a72566b55d09c4c65.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1093fb813436876accbdec43d77874b09ff7682e6b6e9d9a72566b55d09c4c65.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"	1093fb813436876accbdec43d77874b09ff7682e6b6e9d9a72566b55d09c4c65.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\Logs\CBS\CBS.log	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\DownloadMonthlyLanBytes = "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\UploadCount = "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\MemoryUsageKB = "4104"	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\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\Config\KVFileExpirationTime = "132892965080566671"	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\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4332"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.090415"	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\DownloadMonthlyLinkLocalBytes = "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\LinkLocalConnectionCount = "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\BkDownloadRatePct = "45"	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\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\Config\DODownloadMode = "1"	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\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.155763"	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\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\MemoryUsageKB = "4328"	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\Usage\DownloadMonthlyRateBkBps = "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\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\FrDownloadRatePct = "90"	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\Usage	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\DownloadMonthlyCacheHostBytes = "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\LANConnectionCount = "0"	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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.117187"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2872 PING.EXE

pid	process
2872	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

1093fb813436876accbdec43d77874b09ff7682e6b6e9d9a72566b55d09c4c65.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2252	1093fb813436876accbdec43d77874b09ff7682e6b6e9d9a72566b55d09c4c65.exe
Token: SeSecurityPrivilege	2772	TiWorker.exe
Token: SeRestorePrivilege	2772	TiWorker.exe
Token: SeBackupPrivilege	2772	TiWorker.exe
Token: SeBackupPrivilege	2772	TiWorker.exe
Token: SeRestorePrivilege	2772	TiWorker.exe
Token: SeSecurityPrivilege	2772	TiWorker.exe
Token: SeBackupPrivilege	2772	TiWorker.exe
Token: SeRestorePrivilege	2772	TiWorker.exe
Token: SeSecurityPrivilege	2772	TiWorker.exe
Token: SeBackupPrivilege	2772	TiWorker.exe
Token: SeRestorePrivilege	2772	TiWorker.exe
Token: SeSecurityPrivilege	2772	TiWorker.exe
Token: SeBackupPrivilege	2772	TiWorker.exe
Token: SeRestorePrivilege	2772	TiWorker.exe
Token: SeSecurityPrivilege	2772	TiWorker.exe
Token: SeBackupPrivilege	2772	TiWorker.exe
Token: SeRestorePrivilege	2772	TiWorker.exe
Token: SeSecurityPrivilege	2772	TiWorker.exe
Token: SeBackupPrivilege	2772	TiWorker.exe
Token: SeRestorePrivilege	2772	TiWorker.exe
Token: SeSecurityPrivilege	2772	TiWorker.exe
Token: SeBackupPrivilege	2772	TiWorker.exe
Token: SeRestorePrivilege	2772	TiWorker.exe
Token: SeSecurityPrivilege	2772	TiWorker.exe
Token: SeBackupPrivilege	2772	TiWorker.exe
Token: SeRestorePrivilege	2772	TiWorker.exe
Token: SeSecurityPrivilege	2772	TiWorker.exe
Token: SeBackupPrivilege	2772	TiWorker.exe
Token: SeRestorePrivilege	2772	TiWorker.exe
Token: SeSecurityPrivilege	2772	TiWorker.exe
Token: SeBackupPrivilege	2772	TiWorker.exe
Token: SeRestorePrivilege	2772	TiWorker.exe
Token: SeSecurityPrivilege	2772	TiWorker.exe
Token: SeBackupPrivilege	2772	TiWorker.exe
Token: SeRestorePrivilege	2772	TiWorker.exe
Token: SeSecurityPrivilege	2772	TiWorker.exe
Token: SeBackupPrivilege	2772	TiWorker.exe
Token: SeRestorePrivilege	2772	TiWorker.exe
Token: SeSecurityPrivilege	2772	TiWorker.exe
Token: SeBackupPrivilege	2772	TiWorker.exe
Token: SeRestorePrivilege	2772	TiWorker.exe
Token: SeSecurityPrivilege	2772	TiWorker.exe
Token: SeBackupPrivilege	2772	TiWorker.exe
Token: SeRestorePrivilege	2772	TiWorker.exe
Token: SeSecurityPrivilege	2772	TiWorker.exe
Token: SeBackupPrivilege	2772	TiWorker.exe
Token: SeRestorePrivilege	2772	TiWorker.exe
Token: SeSecurityPrivilege	2772	TiWorker.exe
Token: SeBackupPrivilege	2772	TiWorker.exe
Token: SeRestorePrivilege	2772	TiWorker.exe
Token: SeSecurityPrivilege	2772	TiWorker.exe
Token: SeBackupPrivilege	2772	TiWorker.exe
Token: SeRestorePrivilege	2772	TiWorker.exe
Token: SeSecurityPrivilege	2772	TiWorker.exe
Token: SeBackupPrivilege	2772	TiWorker.exe
Token: SeRestorePrivilege	2772	TiWorker.exe
Token: SeSecurityPrivilege	2772	TiWorker.exe
Token: SeBackupPrivilege	2772	TiWorker.exe
Token: SeRestorePrivilege	2772	TiWorker.exe
Token: SeSecurityPrivilege	2772	TiWorker.exe
Token: SeBackupPrivilege	2772	TiWorker.exe
Token: SeRestorePrivilege	2772	TiWorker.exe
Token: SeSecurityPrivilege	2772	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1093fb813436876accbdec43d77874b09ff7682e6b6e9d9a72566b55d09c4c65.execmd.exe

description	pid	process	target process
PID 2252 wrote to memory of 2484	2252	1093fb813436876accbdec43d77874b09ff7682e6b6e9d9a72566b55d09c4c65.exe	MediaCenter.exe
PID 2252 wrote to memory of 2484	2252	1093fb813436876accbdec43d77874b09ff7682e6b6e9d9a72566b55d09c4c65.exe	MediaCenter.exe
PID 2252 wrote to memory of 2484	2252	1093fb813436876accbdec43d77874b09ff7682e6b6e9d9a72566b55d09c4c65.exe	MediaCenter.exe
PID 2252 wrote to memory of 1908	2252	1093fb813436876accbdec43d77874b09ff7682e6b6e9d9a72566b55d09c4c65.exe	cmd.exe
PID 2252 wrote to memory of 1908	2252	1093fb813436876accbdec43d77874b09ff7682e6b6e9d9a72566b55d09c4c65.exe	cmd.exe
PID 2252 wrote to memory of 1908	2252	1093fb813436876accbdec43d77874b09ff7682e6b6e9d9a72566b55d09c4c65.exe	cmd.exe
PID 1908 wrote to memory of 2872	1908	cmd.exe	PING.EXE
PID 1908 wrote to memory of 2872	1908	cmd.exe	PING.EXE
PID 1908 wrote to memory of 2872	1908	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1093fb813436876accbdec43d77874b09ff7682e6b6e9d9a72566b55d09c4c65.exe
"C:\Users\Admin\AppData\Local\Temp\1093fb813436876accbdec43d77874b09ff7682e6b6e9d9a72566b55d09c4c65.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2252

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2484

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1093fb813436876accbdec43d77874b09ff7682e6b6e9d9a72566b55d09c4c65.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1908

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2872

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3000

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:3904

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:2772

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
38c920f7b1fe17b4209fa3350cc456d3

SHA1
32de2c524c87e44f8945e2e775542efff2d35678

SHA256
60e94c9a5e8dc7bcadd7dbf255d54ed15f28efbae811132f44cbb0f2734c5096

SHA512
d0c12fd6d9300f9dfad400f1bb0bf3d3e7e59494faf7795f6d43ccc84ec2d6f77ecbd5ece4a381e6d8ff16d2cdc9daa982b8988d299b9bbb755fc1911969acbb

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

MD5
38c920f7b1fe17b4209fa3350cc456d3

SHA1
32de2c524c87e44f8945e2e775542efff2d35678

SHA256
60e94c9a5e8dc7bcadd7dbf255d54ed15f28efbae811132f44cbb0f2734c5096

SHA512
d0c12fd6d9300f9dfad400f1bb0bf3d3e7e59494faf7795f6d43ccc84ec2d6f77ecbd5ece4a381e6d8ff16d2cdc9daa982b8988d299b9bbb755fc1911969acbb

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads