sakula | 1912135c2148112514ed319adcfb652a9dd4a46b8e172ec9c3eaf19c153f5b0e

General

Target

1912135c2148112514ed319adcfb652a9dd4a46b8e172ec9c3eaf19c153f5b0e.exe
Size

80KB
MD5

cbf6887e31b70ae67ad8e1b45d67e054
SHA1

2805f5c01d282328c70827b6d2add99a79b54b7f
SHA256

1912135c2148112514ed319adcfb652a9dd4a46b8e172ec9c3eaf19c153f5b0e
SHA512

cb8b5dd6af844c9cbf82c5227a4e76fa05c93f473b3273598fc847adcac0403f74a88e6ebc3a79c5a19fccc206c3b430b9338ff5dc71aa5f0de77abd8292d16d

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

3300 MediaCenter.exe

pid	process
3300	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:

1912135c2148112514ed319adcfb652a9dd4a46b8e172ec9c3eaf19c153f5b0e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1912135c2148112514ed319adcfb652a9dd4a46b8e172ec9c3eaf19c153f5b0e.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1912135c2148112514ed319adcfb652a9dd4a46b8e172ec9c3eaf19c153f5b0e.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"	1912135c2148112514ed319adcfb652a9dd4a46b8e172ec9c3eaf19c153f5b0e.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\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.exe
File opened for modification	C:\Windows\Logs\CBS\CBS.log	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 45 IoCs

Processes:

svchost.exe

description	ioc	process
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\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\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892846772845562"	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\CacheSizeBytes = "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\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\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\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 (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\FrDownloadRatePct = "90"	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\DownloadMonthlyRateBkCnt = "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\PriorityDownloadPendingCount = "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\Usage	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\InternetConnectionCount = "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 = "0.245750"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4148"	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\LANConnectionCount = "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\DownloadMonthlyInternetBytes = "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\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
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\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\CDNConnectionCount = "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\DownlinkBps = "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\DownloadMonthlyRateFrCnt = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3348 PING.EXE

pid	process
3348	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

1912135c2148112514ed319adcfb652a9dd4a46b8e172ec9c3eaf19c153f5b0e.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	4080	1912135c2148112514ed319adcfb652a9dd4a46b8e172ec9c3eaf19c153f5b0e.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe
Token: SeBackupPrivilege	3724	TiWorker.exe
Token: SeRestorePrivilege	3724	TiWorker.exe
Token: SeSecurityPrivilege	3724	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1912135c2148112514ed319adcfb652a9dd4a46b8e172ec9c3eaf19c153f5b0e.execmd.exe

description	pid	process	target process
PID 4080 wrote to memory of 3300	4080	1912135c2148112514ed319adcfb652a9dd4a46b8e172ec9c3eaf19c153f5b0e.exe	MediaCenter.exe
PID 4080 wrote to memory of 3300	4080	1912135c2148112514ed319adcfb652a9dd4a46b8e172ec9c3eaf19c153f5b0e.exe	MediaCenter.exe
PID 4080 wrote to memory of 3300	4080	1912135c2148112514ed319adcfb652a9dd4a46b8e172ec9c3eaf19c153f5b0e.exe	MediaCenter.exe
PID 4080 wrote to memory of 704	4080	1912135c2148112514ed319adcfb652a9dd4a46b8e172ec9c3eaf19c153f5b0e.exe	cmd.exe
PID 4080 wrote to memory of 704	4080	1912135c2148112514ed319adcfb652a9dd4a46b8e172ec9c3eaf19c153f5b0e.exe	cmd.exe
PID 4080 wrote to memory of 704	4080	1912135c2148112514ed319adcfb652a9dd4a46b8e172ec9c3eaf19c153f5b0e.exe	cmd.exe
PID 704 wrote to memory of 3348	704	cmd.exe	PING.EXE
PID 704 wrote to memory of 3348	704	cmd.exe	PING.EXE
PID 704 wrote to memory of 3348	704	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1912135c2148112514ed319adcfb652a9dd4a46b8e172ec9c3eaf19c153f5b0e.exe
"C:\Users\Admin\AppData\Local\Temp\1912135c2148112514ed319adcfb652a9dd4a46b8e172ec9c3eaf19c153f5b0e.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4080

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3300

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1912135c2148112514ed319adcfb652a9dd4a46b8e172ec9c3eaf19c153f5b0e.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:704

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3348

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2404

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:3304

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:3724

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
7e85695a2c2690d9679613c7586535b0

SHA1
6aeb4449498f041636a1327d40918f43a441c0c5

SHA256
3a08821f01296e94b7a74b72d83db7c4e62e1b8b633a3a3475e49075fc5cec81

SHA512
feac608cbc6637b3299abca16f433846bc9472358b6117c8ff87a128628b752fda68264aa8986818705f63c3245a5bc26be44546f7a5925ef43447fc67a18762

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

MD5
7e85695a2c2690d9679613c7586535b0

SHA1
6aeb4449498f041636a1327d40918f43a441c0c5

SHA256
3a08821f01296e94b7a74b72d83db7c4e62e1b8b633a3a3475e49075fc5cec81

SHA512
feac608cbc6637b3299abca16f433846bc9472358b6117c8ff87a128628b752fda68264aa8986818705f63c3245a5bc26be44546f7a5925ef43447fc67a18762

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads