sakula | 16d0e38c6fdeb87057a71e56b5c602cd2b02218eeeea1c0d302dfff19aeaaa12

General

Target

16d0e38c6fdeb87057a71e56b5c602cd2b02218eeeea1c0d302dfff19aeaaa12.exe
Size

99KB
MD5

f6f903bee6576a1235efee8ebaf7e611
SHA1

b1f195aa0563dfedf60dc7371ab9e6c18e249fa3
SHA256

16d0e38c6fdeb87057a71e56b5c602cd2b02218eeeea1c0d302dfff19aeaaa12
SHA512

c58b262384da052c4ec258585aea31f56550ce433ff45e02ab69b43124c826495268b63c085ae6e0a6fd680df963f4d08ed5fb8dc21cbabdc988006cfed25848

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

1268 MediaCenter.exe

pid	process
1268	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:

16d0e38c6fdeb87057a71e56b5c602cd2b02218eeeea1c0d302dfff19aeaaa12.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	16d0e38c6fdeb87057a71e56b5c602cd2b02218eeeea1c0d302dfff19aeaaa12.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

16d0e38c6fdeb87057a71e56b5c602cd2b02218eeeea1c0d302dfff19aeaaa12.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"	16d0e38c6fdeb87057a71e56b5c602cd2b02218eeeea1c0d302dfff19aeaaa12.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\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\LANConnectionCount = "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\Usage\PeerInfoCount = "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\DownloadMonthlyCdnBytes = "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\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "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\SwarmCount = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.688157"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\DownloadMonthlyRateBkCnt = "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\DownlinkBps = "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\DownloadMonthlyLinkLocalBytes = "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\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\InternetConnectionCount = "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\UploadRatePct = "100"	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\Config\DODownloadMode = "1"	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\CDNConnectionCount = "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\PriorityDownloadCount = "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\MemoryUsageKB = "4312"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.703533"	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\UploadMonthlyLanBytes = "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\UploadCount = "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\BkDownloadRatePct = "45"	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\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\Config\KVFileExpirationTime = "132892876863379852"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3036 PING.EXE

pid	process
3036	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe16d0e38c6fdeb87057a71e56b5c602cd2b02218eeeea1c0d302dfff19aeaaa12.exe

description	pid	process
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeIncBasePriorityPrivilege	976	16d0e38c6fdeb87057a71e56b5c602cd2b02218eeeea1c0d302dfff19aeaaa12.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe
Token: SeBackupPrivilege	3892	TiWorker.exe
Token: SeRestorePrivilege	3892	TiWorker.exe
Token: SeSecurityPrivilege	3892	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

16d0e38c6fdeb87057a71e56b5c602cd2b02218eeeea1c0d302dfff19aeaaa12.execmd.exe

description	pid	process	target process
PID 976 wrote to memory of 1268	976	16d0e38c6fdeb87057a71e56b5c602cd2b02218eeeea1c0d302dfff19aeaaa12.exe	MediaCenter.exe
PID 976 wrote to memory of 1268	976	16d0e38c6fdeb87057a71e56b5c602cd2b02218eeeea1c0d302dfff19aeaaa12.exe	MediaCenter.exe
PID 976 wrote to memory of 1268	976	16d0e38c6fdeb87057a71e56b5c602cd2b02218eeeea1c0d302dfff19aeaaa12.exe	MediaCenter.exe
PID 976 wrote to memory of 2156	976	16d0e38c6fdeb87057a71e56b5c602cd2b02218eeeea1c0d302dfff19aeaaa12.exe	cmd.exe
PID 976 wrote to memory of 2156	976	16d0e38c6fdeb87057a71e56b5c602cd2b02218eeeea1c0d302dfff19aeaaa12.exe	cmd.exe
PID 976 wrote to memory of 2156	976	16d0e38c6fdeb87057a71e56b5c602cd2b02218eeeea1c0d302dfff19aeaaa12.exe	cmd.exe
PID 2156 wrote to memory of 3036	2156	cmd.exe	PING.EXE
PID 2156 wrote to memory of 3036	2156	cmd.exe	PING.EXE
PID 2156 wrote to memory of 3036	2156	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\16d0e38c6fdeb87057a71e56b5c602cd2b02218eeeea1c0d302dfff19aeaaa12.exe
"C:\Users\Admin\AppData\Local\Temp\16d0e38c6fdeb87057a71e56b5c602cd2b02218eeeea1c0d302dfff19aeaaa12.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:976

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1268

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\16d0e38c6fdeb87057a71e56b5c602cd2b02218eeeea1c0d302dfff19aeaaa12.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2156

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3036

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1868

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:3784

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:3892

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
a6641dad000d31e75da1343afa8a3138

SHA1
c92870f4cedd638602a11fd3e8947b0fab5425f9

SHA256
b02cbbbe9e28361856eae141e37a7fed7d3145bfa70c9724fcd41819569d679a

SHA512
608265c03cfddd79cd73e3f047867009bb874e0187d75fdab8338e6a5742119311d7eed9f406be75e643cabaea6983bec0b38779251b8b54e9068047fb065f72

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

MD5
a6641dad000d31e75da1343afa8a3138

SHA1
c92870f4cedd638602a11fd3e8947b0fab5425f9

SHA256
b02cbbbe9e28361856eae141e37a7fed7d3145bfa70c9724fcd41819569d679a

SHA512
608265c03cfddd79cd73e3f047867009bb874e0187d75fdab8338e6a5742119311d7eed9f406be75e643cabaea6983bec0b38779251b8b54e9068047fb065f72

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads