sakula | 12d24785ea9e482d28a9d8f54bda1153215320f3cd942432f167a092dfa856d8

General

Target

12d24785ea9e482d28a9d8f54bda1153215320f3cd942432f167a092dfa856d8.exe
Size

220KB
MD5

8763def19d5b42324583dcee1fe7119b
SHA1

e331fbedf3797fa2402235546ec7fc6e7130ec85
SHA256

12d24785ea9e482d28a9d8f54bda1153215320f3cd942432f167a092dfa856d8
SHA512

d4dad9822c0414a32245eb715816e322840c64161ed0ba5ad45da5562897e00022d310e61dfce789d427daa2707fef59e8fb7ffe06a3338314f7002ac6876ddc

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 4 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
behavioral2/memory/1944-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula
behavioral2/memory/752-133-0x0000000000400000-0x0000000000420000-memory.dmp	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

752 MediaCenter.exe

pid	process
752	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:

12d24785ea9e482d28a9d8f54bda1153215320f3cd942432f167a092dfa856d8.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	12d24785ea9e482d28a9d8f54bda1153215320f3cd942432f167a092dfa856d8.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

12d24785ea9e482d28a9d8f54bda1153215320f3cd942432f167a092dfa856d8.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"	12d24785ea9e482d28a9d8f54bda1153215320f3cd942432f167a092dfa856d8.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 49 IoCs

Processes:

svchost.exe

description	ioc	process
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\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\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\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\BkDownloadRatePct = "45"	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\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4200"	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\DownloadMonthlyCacheHostBytes = "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\UploadRatePct = "100"	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\CDNConnectionCount = "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\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.335072"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.166102"	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\Usage\CPUpct = "0.530502"	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\UploadMonthlyLanBytes = "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\PriorityDownloadPendingCount = "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\DownloadMonthlyInternetBytes = "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\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\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0"	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\DownloadMonthlyCdnBytes = "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\DownloadMonthlyRateBkBps = "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\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4064"	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\Config\DODownloadMode = "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\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892935478200792"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

560 PING.EXE

pid	process
560	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	1772	TiWorker.exe
Token: SeRestorePrivilege	1772	TiWorker.exe
Token: SeBackupPrivilege	1772	TiWorker.exe
Token: SeBackupPrivilege	1772	TiWorker.exe
Token: SeRestorePrivilege	1772	TiWorker.exe
Token: SeSecurityPrivilege	1772	TiWorker.exe
Token: SeBackupPrivilege	1772	TiWorker.exe
Token: SeRestorePrivilege	1772	TiWorker.exe
Token: SeSecurityPrivilege	1772	TiWorker.exe
Token: SeBackupPrivilege	1772	TiWorker.exe
Token: SeRestorePrivilege	1772	TiWorker.exe
Token: SeSecurityPrivilege	1772	TiWorker.exe
Token: SeBackupPrivilege	1772	TiWorker.exe
Token: SeRestorePrivilege	1772	TiWorker.exe
Token: SeSecurityPrivilege	1772	TiWorker.exe
Token: SeBackupPrivilege	1772	TiWorker.exe
Token: SeRestorePrivilege	1772	TiWorker.exe
Token: SeSecurityPrivilege	1772	TiWorker.exe
Token: SeBackupPrivilege	1772	TiWorker.exe
Token: SeRestorePrivilege	1772	TiWorker.exe
Token: SeSecurityPrivilege	1772	TiWorker.exe
Token: SeBackupPrivilege	1772	TiWorker.exe
Token: SeRestorePrivilege	1772	TiWorker.exe
Token: SeSecurityPrivilege	1772	TiWorker.exe
Token: SeBackupPrivilege	1772	TiWorker.exe
Token: SeRestorePrivilege	1772	TiWorker.exe
Token: SeSecurityPrivilege	1772	TiWorker.exe
Token: SeBackupPrivilege	1772	TiWorker.exe
Token: SeRestorePrivilege	1772	TiWorker.exe
Token: SeSecurityPrivilege	1772	TiWorker.exe
Token: SeBackupPrivilege	1772	TiWorker.exe
Token: SeRestorePrivilege	1772	TiWorker.exe
Token: SeSecurityPrivilege	1772	TiWorker.exe
Token: SeBackupPrivilege	1772	TiWorker.exe
Token: SeRestorePrivilege	1772	TiWorker.exe
Token: SeSecurityPrivilege	1772	TiWorker.exe
Token: SeBackupPrivilege	1772	TiWorker.exe
Token: SeRestorePrivilege	1772	TiWorker.exe
Token: SeSecurityPrivilege	1772	TiWorker.exe
Token: SeBackupPrivilege	1772	TiWorker.exe
Token: SeRestorePrivilege	1772	TiWorker.exe
Token: SeSecurityPrivilege	1772	TiWorker.exe
Token: SeBackupPrivilege	1772	TiWorker.exe
Token: SeRestorePrivilege	1772	TiWorker.exe
Token: SeSecurityPrivilege	1772	TiWorker.exe
Token: SeBackupPrivilege	1772	TiWorker.exe
Token: SeRestorePrivilege	1772	TiWorker.exe
Token: SeSecurityPrivilege	1772	TiWorker.exe
Token: SeBackupPrivilege	1772	TiWorker.exe
Token: SeRestorePrivilege	1772	TiWorker.exe
Token: SeSecurityPrivilege	1772	TiWorker.exe
Token: SeBackupPrivilege	1772	TiWorker.exe
Token: SeRestorePrivilege	1772	TiWorker.exe
Token: SeSecurityPrivilege	1772	TiWorker.exe
Token: SeBackupPrivilege	1772	TiWorker.exe
Token: SeRestorePrivilege	1772	TiWorker.exe
Token: SeSecurityPrivilege	1772	TiWorker.exe
Token: SeBackupPrivilege	1772	TiWorker.exe
Token: SeRestorePrivilege	1772	TiWorker.exe
Token: SeSecurityPrivilege	1772	TiWorker.exe
Token: SeBackupPrivilege	1772	TiWorker.exe
Token: SeRestorePrivilege	1772	TiWorker.exe
Token: SeSecurityPrivilege	1772	TiWorker.exe
Token: SeBackupPrivilege	1772	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

12d24785ea9e482d28a9d8f54bda1153215320f3cd942432f167a092dfa856d8.execmd.exe

description	pid	process	target process
PID 1944 wrote to memory of 752	1944	12d24785ea9e482d28a9d8f54bda1153215320f3cd942432f167a092dfa856d8.exe	MediaCenter.exe
PID 1944 wrote to memory of 752	1944	12d24785ea9e482d28a9d8f54bda1153215320f3cd942432f167a092dfa856d8.exe	MediaCenter.exe
PID 1944 wrote to memory of 752	1944	12d24785ea9e482d28a9d8f54bda1153215320f3cd942432f167a092dfa856d8.exe	MediaCenter.exe
PID 1944 wrote to memory of 912	1944	12d24785ea9e482d28a9d8f54bda1153215320f3cd942432f167a092dfa856d8.exe	cmd.exe
PID 1944 wrote to memory of 912	1944	12d24785ea9e482d28a9d8f54bda1153215320f3cd942432f167a092dfa856d8.exe	cmd.exe
PID 1944 wrote to memory of 912	1944	12d24785ea9e482d28a9d8f54bda1153215320f3cd942432f167a092dfa856d8.exe	cmd.exe
PID 912 wrote to memory of 560	912	cmd.exe	PING.EXE
PID 912 wrote to memory of 560	912	cmd.exe	PING.EXE
PID 912 wrote to memory of 560	912	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\12d24785ea9e482d28a9d8f54bda1153215320f3cd942432f167a092dfa856d8.exe
"C:\Users\Admin\AppData\Local\Temp\12d24785ea9e482d28a9d8f54bda1153215320f3cd942432f167a092dfa856d8.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1944

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:752

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\12d24785ea9e482d28a9d8f54bda1153215320f3cd942432f167a092dfa856d8.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:912

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:560

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3292

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:2268

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:1772

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k wusvcs -p
1⤵
PID:4004

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
9f73c03cbee8e39e54a8518613f191ce

SHA1
d541b93a9871850691b76c7c70e30f41b9466a08

SHA256
167b9451b557184abffe607b74b4eb3d2eb0ad0be065251b524dde1a2bea8d06

SHA512
11d152b97593f09b2501ee71f796c7b074515c1a8fde3bfe014fc3d3ce4a8c9808226eb8031cd2f090f3e3c5270b10fac383fb49171f14001214f8e48bcf4cb6

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

MD5
9f73c03cbee8e39e54a8518613f191ce

SHA1
d541b93a9871850691b76c7c70e30f41b9466a08

SHA256
167b9451b557184abffe607b74b4eb3d2eb0ad0be065251b524dde1a2bea8d06

SHA512
11d152b97593f09b2501ee71f796c7b074515c1a8fde3bfe014fc3d3ce4a8c9808226eb8031cd2f090f3e3c5270b10fac383fb49171f14001214f8e48bcf4cb6

Download Submit
memory/752-133-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1944-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads