sakula | 16e7905aeabacadac414dd1f1b605ab718214c1732f606aedd26b59e1d993561

General

Target

16e7905aeabacadac414dd1f1b605ab718214c1732f606aedd26b59e1d993561.exe
Size

89KB
MD5

96584bfc8ea2b79d1e0c153fc82b71dc
SHA1

e9a50a2a4c2eb81f115abe1dc8b147765d9c5dcd
SHA256

16e7905aeabacadac414dd1f1b605ab718214c1732f606aedd26b59e1d993561
SHA512

b9e80a9fc5781d8e05cadcb2a9b5b0b0835085c877d34b078dc22af7dcd369416843d9700f9cd243566eb189b35e6bb98466424b4ebff271111911a4d5844d62

Score

10^/10

sakula persistence rat suricata 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

suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

1396 MediaCenter.exe

pid	process
1396	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:

16e7905aeabacadac414dd1f1b605ab718214c1732f606aedd26b59e1d993561.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	16e7905aeabacadac414dd1f1b605ab718214c1732f606aedd26b59e1d993561.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

16e7905aeabacadac414dd1f1b605ab718214c1732f606aedd26b59e1d993561.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"	16e7905aeabacadac414dd1f1b605ab718214c1732f606aedd26b59e1d993561.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 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

MusNotifyIcon.exeMusNotifyIcon.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
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 48 IoCs

Processes:

svchost.exe

description	ioc	process
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\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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0"	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\DODownloadMode = "1"	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\UplinkUsageBps = "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\DownlinkUsageBps = "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	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\Config\DownloadMode_BackCompat = "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\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\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4280"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	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\InternetConnectionCount = "0"	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\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\DownloadMonthlyCacheHostBytes = "0"	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\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\Config\KVFileExpirationTime = "132892875816595698"	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\GroupConnectionCount = "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\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\MonthID = "2"	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\PriorityDownloadPendingCount = "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 = "1.598175"	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\CacheSizeBytes = "0"	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\MemoryUsageKB = "4088"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1304 PING.EXE

pid	process
1304	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

16e7905aeabacadac414dd1f1b605ab718214c1732f606aedd26b59e1d993561.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2040	16e7905aeabacadac414dd1f1b605ab718214c1732f606aedd26b59e1d993561.exe
Token: SeSecurityPrivilege	1232	TiWorker.exe
Token: SeRestorePrivilege	1232	TiWorker.exe
Token: SeBackupPrivilege	1232	TiWorker.exe
Token: SeBackupPrivilege	1232	TiWorker.exe
Token: SeRestorePrivilege	1232	TiWorker.exe
Token: SeSecurityPrivilege	1232	TiWorker.exe
Token: SeBackupPrivilege	1232	TiWorker.exe
Token: SeRestorePrivilege	1232	TiWorker.exe
Token: SeSecurityPrivilege	1232	TiWorker.exe
Token: SeBackupPrivilege	1232	TiWorker.exe
Token: SeRestorePrivilege	1232	TiWorker.exe
Token: SeSecurityPrivilege	1232	TiWorker.exe
Token: SeBackupPrivilege	1232	TiWorker.exe
Token: SeRestorePrivilege	1232	TiWorker.exe
Token: SeSecurityPrivilege	1232	TiWorker.exe
Token: SeBackupPrivilege	1232	TiWorker.exe
Token: SeRestorePrivilege	1232	TiWorker.exe
Token: SeSecurityPrivilege	1232	TiWorker.exe
Token: SeBackupPrivilege	1232	TiWorker.exe
Token: SeRestorePrivilege	1232	TiWorker.exe
Token: SeSecurityPrivilege	1232	TiWorker.exe
Token: SeBackupPrivilege	1232	TiWorker.exe
Token: SeRestorePrivilege	1232	TiWorker.exe
Token: SeSecurityPrivilege	1232	TiWorker.exe
Token: SeBackupPrivilege	1232	TiWorker.exe
Token: SeRestorePrivilege	1232	TiWorker.exe
Token: SeSecurityPrivilege	1232	TiWorker.exe
Token: SeBackupPrivilege	1232	TiWorker.exe
Token: SeRestorePrivilege	1232	TiWorker.exe
Token: SeSecurityPrivilege	1232	TiWorker.exe
Token: SeBackupPrivilege	1232	TiWorker.exe
Token: SeRestorePrivilege	1232	TiWorker.exe
Token: SeSecurityPrivilege	1232	TiWorker.exe
Token: SeBackupPrivilege	1232	TiWorker.exe
Token: SeRestorePrivilege	1232	TiWorker.exe
Token: SeSecurityPrivilege	1232	TiWorker.exe
Token: SeBackupPrivilege	1232	TiWorker.exe
Token: SeRestorePrivilege	1232	TiWorker.exe
Token: SeSecurityPrivilege	1232	TiWorker.exe
Token: SeBackupPrivilege	1232	TiWorker.exe
Token: SeRestorePrivilege	1232	TiWorker.exe
Token: SeSecurityPrivilege	1232	TiWorker.exe
Token: SeBackupPrivilege	1232	TiWorker.exe
Token: SeRestorePrivilege	1232	TiWorker.exe
Token: SeSecurityPrivilege	1232	TiWorker.exe
Token: SeBackupPrivilege	1232	TiWorker.exe
Token: SeRestorePrivilege	1232	TiWorker.exe
Token: SeSecurityPrivilege	1232	TiWorker.exe
Token: SeBackupPrivilege	1232	TiWorker.exe
Token: SeRestorePrivilege	1232	TiWorker.exe
Token: SeSecurityPrivilege	1232	TiWorker.exe
Token: SeBackupPrivilege	1232	TiWorker.exe
Token: SeRestorePrivilege	1232	TiWorker.exe
Token: SeSecurityPrivilege	1232	TiWorker.exe
Token: SeBackupPrivilege	1232	TiWorker.exe
Token: SeRestorePrivilege	1232	TiWorker.exe
Token: SeSecurityPrivilege	1232	TiWorker.exe
Token: SeBackupPrivilege	1232	TiWorker.exe
Token: SeRestorePrivilege	1232	TiWorker.exe
Token: SeSecurityPrivilege	1232	TiWorker.exe
Token: SeBackupPrivilege	1232	TiWorker.exe
Token: SeRestorePrivilege	1232	TiWorker.exe
Token: SeSecurityPrivilege	1232	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

16e7905aeabacadac414dd1f1b605ab718214c1732f606aedd26b59e1d993561.execmd.exe

description	pid	process	target process
PID 2040 wrote to memory of 1396	2040	16e7905aeabacadac414dd1f1b605ab718214c1732f606aedd26b59e1d993561.exe	MediaCenter.exe
PID 2040 wrote to memory of 1396	2040	16e7905aeabacadac414dd1f1b605ab718214c1732f606aedd26b59e1d993561.exe	MediaCenter.exe
PID 2040 wrote to memory of 1396	2040	16e7905aeabacadac414dd1f1b605ab718214c1732f606aedd26b59e1d993561.exe	MediaCenter.exe
PID 2040 wrote to memory of 3172	2040	16e7905aeabacadac414dd1f1b605ab718214c1732f606aedd26b59e1d993561.exe	cmd.exe
PID 2040 wrote to memory of 3172	2040	16e7905aeabacadac414dd1f1b605ab718214c1732f606aedd26b59e1d993561.exe	cmd.exe
PID 2040 wrote to memory of 3172	2040	16e7905aeabacadac414dd1f1b605ab718214c1732f606aedd26b59e1d993561.exe	cmd.exe
PID 3172 wrote to memory of 1304	3172	cmd.exe	PING.EXE
PID 3172 wrote to memory of 1304	3172	cmd.exe	PING.EXE
PID 3172 wrote to memory of 1304	3172	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\16e7905aeabacadac414dd1f1b605ab718214c1732f606aedd26b59e1d993561.exe
"C:\Users\Admin\AppData\Local\Temp\16e7905aeabacadac414dd1f1b605ab718214c1732f606aedd26b59e1d993561.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2040

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1396

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\16e7905aeabacadac414dd1f1b605ab718214c1732f606aedd26b59e1d993561.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3172

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1304

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:376

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:696

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:3136

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:1232

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
323f6c8b433bcc4bb4344ffe41c688db

SHA1
43416d871e5c9d52621fb7f0e56b1f0ca85f84d6

SHA256
ab4af652c83a0cc0e54a0696081761dacb14775bce7590f337100f7d2b6c6707

SHA512
98cbb678c5d3088730e4973fa71dac4375e909e69941fa94b9d86ce144f5a149b055ab359faf72d66ea9c11cb718d91410d7938517b56eac9a06abd3f1c346ab

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

MD5
323f6c8b433bcc4bb4344ffe41c688db

SHA1
43416d871e5c9d52621fb7f0e56b1f0ca85f84d6

SHA256
ab4af652c83a0cc0e54a0696081761dacb14775bce7590f337100f7d2b6c6707

SHA512
98cbb678c5d3088730e4973fa71dac4375e909e69941fa94b9d86ce144f5a149b055ab359faf72d66ea9c11cb718d91410d7938517b56eac9a06abd3f1c346ab

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads