sakula | 13388c5f70510121cfeefbb2971e181d4b12869199fabc85613e1537b9f809e4

General

Target

13388c5f70510121cfeefbb2971e181d4b12869199fabc85613e1537b9f809e4.exe
Size

101KB
MD5

6322352c6eaba6205b8a55cd578b6f24
SHA1

fe23a3b0793071326e20a5a607b04bb2d497a4cf
SHA256

13388c5f70510121cfeefbb2971e181d4b12869199fabc85613e1537b9f809e4
SHA512

eed8df2bb8c6afe9a0b847e44f348fc9eacd8037f252453ba60daff62bc48c1033a131f6833450888098b0827db315d5f943ee36e82a0d9a8da4722996ccfefa

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

1712 MediaCenter.exe

pid	process
1712	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:

13388c5f70510121cfeefbb2971e181d4b12869199fabc85613e1537b9f809e4.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	13388c5f70510121cfeefbb2971e181d4b12869199fabc85613e1537b9f809e4.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

13388c5f70510121cfeefbb2971e181d4b12869199fabc85613e1537b9f809e4.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"	13388c5f70510121cfeefbb2971e181d4b12869199fabc85613e1537b9f809e4.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 49 IoCs

Processes:

svchost.exe

description	ioc	process
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\PeerInfoCount = "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\BkDownloadRatePct = "45"	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\PriorityDownloadPendingCount = "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\UploadMonthlyLanBytes = "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\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.019779"	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
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\CDNConnectionCount = "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\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\Config\KVFileExpirationTime = "132892931008151652"	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\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4284"	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\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\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 (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\MonthID = "2"	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\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "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\SwarmCount = "1"	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 = "0.328516"	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\DownloadMonthlyRateBkBps = "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\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4088"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "15.780400"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3440 PING.EXE

pid	process
3440	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe13388c5f70510121cfeefbb2971e181d4b12869199fabc85613e1537b9f809e4.exe

description	pid	process
Token: SeSecurityPrivilege	1532	TiWorker.exe
Token: SeRestorePrivilege	1532	TiWorker.exe
Token: SeBackupPrivilege	1532	TiWorker.exe
Token: SeBackupPrivilege	1532	TiWorker.exe
Token: SeRestorePrivilege	1532	TiWorker.exe
Token: SeSecurityPrivilege	1532	TiWorker.exe
Token: SeBackupPrivilege	1532	TiWorker.exe
Token: SeRestorePrivilege	1532	TiWorker.exe
Token: SeSecurityPrivilege	1532	TiWorker.exe
Token: SeBackupPrivilege	1532	TiWorker.exe
Token: SeRestorePrivilege	1532	TiWorker.exe
Token: SeSecurityPrivilege	1532	TiWorker.exe
Token: SeBackupPrivilege	1532	TiWorker.exe
Token: SeRestorePrivilege	1532	TiWorker.exe
Token: SeSecurityPrivilege	1532	TiWorker.exe
Token: SeBackupPrivilege	1532	TiWorker.exe
Token: SeRestorePrivilege	1532	TiWorker.exe
Token: SeSecurityPrivilege	1532	TiWorker.exe
Token: SeBackupPrivilege	1532	TiWorker.exe
Token: SeRestorePrivilege	1532	TiWorker.exe
Token: SeSecurityPrivilege	1532	TiWorker.exe
Token: SeBackupPrivilege	1532	TiWorker.exe
Token: SeRestorePrivilege	1532	TiWorker.exe
Token: SeSecurityPrivilege	1532	TiWorker.exe
Token: SeIncBasePriorityPrivilege	2560	13388c5f70510121cfeefbb2971e181d4b12869199fabc85613e1537b9f809e4.exe
Token: SeBackupPrivilege	1532	TiWorker.exe
Token: SeRestorePrivilege	1532	TiWorker.exe
Token: SeSecurityPrivilege	1532	TiWorker.exe
Token: SeBackupPrivilege	1532	TiWorker.exe
Token: SeRestorePrivilege	1532	TiWorker.exe
Token: SeSecurityPrivilege	1532	TiWorker.exe
Token: SeBackupPrivilege	1532	TiWorker.exe
Token: SeRestorePrivilege	1532	TiWorker.exe
Token: SeSecurityPrivilege	1532	TiWorker.exe
Token: SeBackupPrivilege	1532	TiWorker.exe
Token: SeRestorePrivilege	1532	TiWorker.exe
Token: SeSecurityPrivilege	1532	TiWorker.exe
Token: SeBackupPrivilege	1532	TiWorker.exe
Token: SeRestorePrivilege	1532	TiWorker.exe
Token: SeSecurityPrivilege	1532	TiWorker.exe
Token: SeBackupPrivilege	1532	TiWorker.exe
Token: SeRestorePrivilege	1532	TiWorker.exe
Token: SeSecurityPrivilege	1532	TiWorker.exe
Token: SeBackupPrivilege	1532	TiWorker.exe
Token: SeRestorePrivilege	1532	TiWorker.exe
Token: SeSecurityPrivilege	1532	TiWorker.exe
Token: SeBackupPrivilege	1532	TiWorker.exe
Token: SeRestorePrivilege	1532	TiWorker.exe
Token: SeSecurityPrivilege	1532	TiWorker.exe
Token: SeBackupPrivilege	1532	TiWorker.exe
Token: SeRestorePrivilege	1532	TiWorker.exe
Token: SeSecurityPrivilege	1532	TiWorker.exe
Token: SeBackupPrivilege	1532	TiWorker.exe
Token: SeRestorePrivilege	1532	TiWorker.exe
Token: SeSecurityPrivilege	1532	TiWorker.exe
Token: SeBackupPrivilege	1532	TiWorker.exe
Token: SeRestorePrivilege	1532	TiWorker.exe
Token: SeSecurityPrivilege	1532	TiWorker.exe
Token: SeBackupPrivilege	1532	TiWorker.exe
Token: SeRestorePrivilege	1532	TiWorker.exe
Token: SeSecurityPrivilege	1532	TiWorker.exe
Token: SeBackupPrivilege	1532	TiWorker.exe
Token: SeRestorePrivilege	1532	TiWorker.exe
Token: SeSecurityPrivilege	1532	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

13388c5f70510121cfeefbb2971e181d4b12869199fabc85613e1537b9f809e4.execmd.exe

description	pid	process	target process
PID 2560 wrote to memory of 1712	2560	13388c5f70510121cfeefbb2971e181d4b12869199fabc85613e1537b9f809e4.exe	MediaCenter.exe
PID 2560 wrote to memory of 1712	2560	13388c5f70510121cfeefbb2971e181d4b12869199fabc85613e1537b9f809e4.exe	MediaCenter.exe
PID 2560 wrote to memory of 1712	2560	13388c5f70510121cfeefbb2971e181d4b12869199fabc85613e1537b9f809e4.exe	MediaCenter.exe
PID 2560 wrote to memory of 2220	2560	13388c5f70510121cfeefbb2971e181d4b12869199fabc85613e1537b9f809e4.exe	cmd.exe
PID 2560 wrote to memory of 2220	2560	13388c5f70510121cfeefbb2971e181d4b12869199fabc85613e1537b9f809e4.exe	cmd.exe
PID 2560 wrote to memory of 2220	2560	13388c5f70510121cfeefbb2971e181d4b12869199fabc85613e1537b9f809e4.exe	cmd.exe
PID 2220 wrote to memory of 3440	2220	cmd.exe	PING.EXE
PID 2220 wrote to memory of 3440	2220	cmd.exe	PING.EXE
PID 2220 wrote to memory of 3440	2220	cmd.exe	PING.EXE

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:412

C:\Users\Admin\AppData\Local\Temp\13388c5f70510121cfeefbb2971e181d4b12869199fabc85613e1537b9f809e4.exe
"C:\Users\Admin\AppData\Local\Temp\13388c5f70510121cfeefbb2971e181d4b12869199fabc85613e1537b9f809e4.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2560

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1712

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\13388c5f70510121cfeefbb2971e181d4b12869199fabc85613e1537b9f809e4.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2220

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3440

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:1604

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:1532

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
0d185a2529a656de963c9bfa41bdac93

SHA1
be7e4baf78f4681b12e3ff53fd1cafd2b979bb67

SHA256
be2489121b5691f54fe4aaaf8f4953edc921fa0f7be2aae4bf7fbedaa8f6af30

SHA512
0267ddcd9aeab04033314de03ba544316e35e19076537f507cfbccfd9927002d257a679b3d0f13926037cb409a540471130c3429e37f7aa4e0151a4d0c48e0f0

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

MD5
0d185a2529a656de963c9bfa41bdac93

SHA1
be7e4baf78f4681b12e3ff53fd1cafd2b979bb67

SHA256
be2489121b5691f54fe4aaaf8f4953edc921fa0f7be2aae4bf7fbedaa8f6af30

SHA512
0267ddcd9aeab04033314de03ba544316e35e19076537f507cfbccfd9927002d257a679b3d0f13926037cb409a540471130c3429e37f7aa4e0151a4d0c48e0f0

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads