sakula | 06b1cf05e64946edbae8f8f625da5de743d6f15af0ce59960ea77768586cc49c

General

Target

06b1cf05e64946edbae8f8f625da5de743d6f15af0ce59960ea77768586cc49c.exe
Size

99KB
MD5

9be9f50ec6a98e80f05e38a80a40d63d
SHA1

1fc6edcdb25cb342f18eaf86d54d2b0eb1dcdd08
SHA256

06b1cf05e64946edbae8f8f625da5de743d6f15af0ce59960ea77768586cc49c
SHA512

9a16cc9c0dc7163e8ec161d10abc29afc128a4a07a88c38a13d92827867798219f8c6da18cbeceb94b139ac713fec37c1b224b0507b318c813264c9ff02940ff

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

3908 MediaCenter.exe

pid	process
3908	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:

06b1cf05e64946edbae8f8f625da5de743d6f15af0ce59960ea77768586cc49c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	06b1cf05e64946edbae8f8f625da5de743d6f15af0ce59960ea77768586cc49c.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

06b1cf05e64946edbae8f8f625da5de743d6f15af0ce59960ea77768586cc49c.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"	06b1cf05e64946edbae8f8f625da5de743d6f15af0ce59960ea77768586cc49c.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 52 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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.077399"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4292"	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\Usage\DownloadMonthlyRateFrBps = "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\UplinkUsageBps = "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\MemoryUsageKB = "4220"	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\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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.251220"	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\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\MonthID = "2"	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\DownlinkBps = "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\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\Usage\UploadMonthlyInternetBytes = "0"	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\CDNConnectionCount = "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\MonthlyUploadRestriction = "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\UploadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893133744714694"	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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4092"	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\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.315209"	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\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3984"	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 (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\InternetConnectionCount = "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\DownloadMonthlyInternetBytes = "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\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2796 PING.EXE

pid	process
2796	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	980	TiWorker.exe
Token: SeRestorePrivilege	980	TiWorker.exe
Token: SeBackupPrivilege	980	TiWorker.exe
Token: SeBackupPrivilege	980	TiWorker.exe
Token: SeRestorePrivilege	980	TiWorker.exe
Token: SeSecurityPrivilege	980	TiWorker.exe
Token: SeBackupPrivilege	980	TiWorker.exe
Token: SeRestorePrivilege	980	TiWorker.exe
Token: SeSecurityPrivilege	980	TiWorker.exe
Token: SeBackupPrivilege	980	TiWorker.exe
Token: SeRestorePrivilege	980	TiWorker.exe
Token: SeSecurityPrivilege	980	TiWorker.exe
Token: SeBackupPrivilege	980	TiWorker.exe
Token: SeRestorePrivilege	980	TiWorker.exe
Token: SeSecurityPrivilege	980	TiWorker.exe
Token: SeBackupPrivilege	980	TiWorker.exe
Token: SeRestorePrivilege	980	TiWorker.exe
Token: SeSecurityPrivilege	980	TiWorker.exe
Token: SeBackupPrivilege	980	TiWorker.exe
Token: SeRestorePrivilege	980	TiWorker.exe
Token: SeSecurityPrivilege	980	TiWorker.exe
Token: SeBackupPrivilege	980	TiWorker.exe
Token: SeRestorePrivilege	980	TiWorker.exe
Token: SeSecurityPrivilege	980	TiWorker.exe
Token: SeBackupPrivilege	980	TiWorker.exe
Token: SeRestorePrivilege	980	TiWorker.exe
Token: SeSecurityPrivilege	980	TiWorker.exe
Token: SeBackupPrivilege	980	TiWorker.exe
Token: SeRestorePrivilege	980	TiWorker.exe
Token: SeSecurityPrivilege	980	TiWorker.exe
Token: SeBackupPrivilege	980	TiWorker.exe
Token: SeRestorePrivilege	980	TiWorker.exe
Token: SeSecurityPrivilege	980	TiWorker.exe
Token: SeBackupPrivilege	980	TiWorker.exe
Token: SeRestorePrivilege	980	TiWorker.exe
Token: SeSecurityPrivilege	980	TiWorker.exe
Token: SeBackupPrivilege	980	TiWorker.exe
Token: SeRestorePrivilege	980	TiWorker.exe
Token: SeSecurityPrivilege	980	TiWorker.exe
Token: SeBackupPrivilege	980	TiWorker.exe
Token: SeRestorePrivilege	980	TiWorker.exe
Token: SeSecurityPrivilege	980	TiWorker.exe
Token: SeBackupPrivilege	980	TiWorker.exe
Token: SeRestorePrivilege	980	TiWorker.exe
Token: SeSecurityPrivilege	980	TiWorker.exe
Token: SeBackupPrivilege	980	TiWorker.exe
Token: SeRestorePrivilege	980	TiWorker.exe
Token: SeSecurityPrivilege	980	TiWorker.exe
Token: SeBackupPrivilege	980	TiWorker.exe
Token: SeRestorePrivilege	980	TiWorker.exe
Token: SeSecurityPrivilege	980	TiWorker.exe
Token: SeBackupPrivilege	980	TiWorker.exe
Token: SeRestorePrivilege	980	TiWorker.exe
Token: SeSecurityPrivilege	980	TiWorker.exe
Token: SeBackupPrivilege	980	TiWorker.exe
Token: SeRestorePrivilege	980	TiWorker.exe
Token: SeSecurityPrivilege	980	TiWorker.exe
Token: SeBackupPrivilege	980	TiWorker.exe
Token: SeRestorePrivilege	980	TiWorker.exe
Token: SeSecurityPrivilege	980	TiWorker.exe
Token: SeBackupPrivilege	980	TiWorker.exe
Token: SeRestorePrivilege	980	TiWorker.exe
Token: SeSecurityPrivilege	980	TiWorker.exe
Token: SeBackupPrivilege	980	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

06b1cf05e64946edbae8f8f625da5de743d6f15af0ce59960ea77768586cc49c.execmd.exe

description	pid	process	target process
PID 1724 wrote to memory of 3908	1724	06b1cf05e64946edbae8f8f625da5de743d6f15af0ce59960ea77768586cc49c.exe	MediaCenter.exe
PID 1724 wrote to memory of 3908	1724	06b1cf05e64946edbae8f8f625da5de743d6f15af0ce59960ea77768586cc49c.exe	MediaCenter.exe
PID 1724 wrote to memory of 3908	1724	06b1cf05e64946edbae8f8f625da5de743d6f15af0ce59960ea77768586cc49c.exe	MediaCenter.exe
PID 1724 wrote to memory of 2720	1724	06b1cf05e64946edbae8f8f625da5de743d6f15af0ce59960ea77768586cc49c.exe	cmd.exe
PID 1724 wrote to memory of 2720	1724	06b1cf05e64946edbae8f8f625da5de743d6f15af0ce59960ea77768586cc49c.exe	cmd.exe
PID 1724 wrote to memory of 2720	1724	06b1cf05e64946edbae8f8f625da5de743d6f15af0ce59960ea77768586cc49c.exe	cmd.exe
PID 2720 wrote to memory of 2796	2720	cmd.exe	PING.EXE
PID 2720 wrote to memory of 2796	2720	cmd.exe	PING.EXE
PID 2720 wrote to memory of 2796	2720	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\06b1cf05e64946edbae8f8f625da5de743d6f15af0ce59960ea77768586cc49c.exe
"C:\Users\Admin\AppData\Local\Temp\06b1cf05e64946edbae8f8f625da5de743d6f15af0ce59960ea77768586cc49c.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1724

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3908

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\06b1cf05e64946edbae8f8f625da5de743d6f15af0ce59960ea77768586cc49c.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2720

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2796

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1592

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:1900

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:980

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
ac3ee7efb8673acfeb9ea192fd6c84b5

SHA1
3c8930411f404961920b07cb85417389bbde835e

SHA256
174e2b37a1e95a1d25a095d99424b9ca3e0481f1bf03eb841ebcf45556606106

SHA512
3eec11421ed8a838215639210049e8c8cad337751bd7f40fc10451a1d9c053bd90b9d71facb239b2bf6a8f1a2c885d0614748d426554ebf07eef63c6e6ba88aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
ac3ee7efb8673acfeb9ea192fd6c84b5

SHA1
3c8930411f404961920b07cb85417389bbde835e

SHA256
174e2b37a1e95a1d25a095d99424b9ca3e0481f1bf03eb841ebcf45556606106

SHA512
3eec11421ed8a838215639210049e8c8cad337751bd7f40fc10451a1d9c053bd90b9d71facb239b2bf6a8f1a2c885d0614748d426554ebf07eef63c6e6ba88aa

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads