sakula | 09f62a8b75044d2bfc13cfed89f3f4f78e175957c833e14baf7b3f885d7a0a68

General

Target

09f62a8b75044d2bfc13cfed89f3f4f78e175957c833e14baf7b3f885d7a0a68.exe
Size

79KB
MD5

87ad6acbedddffae2ceb54d9dcaf17c1
SHA1

94d38b9a40bb485358e2ae9132d132d5190bd625
SHA256

09f62a8b75044d2bfc13cfed89f3f4f78e175957c833e14baf7b3f885d7a0a68
SHA512

29ba6d524cec0fd08f9296d4db02562ff0ecf79951e1c0cdf8f15767afd32470034804fc0726dbf8654fe4a2f468b9fb2551eac90a2b3b2a17b2459ec2cd83be

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

2220 MediaCenter.exe

pid	process
2220	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:

09f62a8b75044d2bfc13cfed89f3f4f78e175957c833e14baf7b3f885d7a0a68.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	09f62a8b75044d2bfc13cfed89f3f4f78e175957c833e14baf7b3f885d7a0a68.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

09f62a8b75044d2bfc13cfed89f3f4f78e175957c833e14baf7b3f885d7a0a68.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"	09f62a8b75044d2bfc13cfed89f3f4f78e175957c833e14baf7b3f885d7a0a68.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 52 IoCs

Processes:

svchost.exe

description	ioc	process
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 = "0.006580"	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\InternetConnectionCount = "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\DownloadMonthlyLinkLocalBytes = "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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	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\Usage	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\Usage\CPUpct = "9.524007"	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\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893082082702778"	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
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\DownloadMonthlyInternetBytes = "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\BkDownloadRatePct = "45"	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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.154055"	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\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\CacheSizeBytes = "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\UplinkUsageBps = "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\MonthID = "2"	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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4108"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4304"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4320"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4020"	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\DownloadMonthlyRateFrCnt = "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\PeerInfoCount = "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 (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	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\DownloadMonthlyRateBkBps = "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\CDNConnectionCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3764 PING.EXE

pid	process
3764	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	2660	TiWorker.exe
Token: SeRestorePrivilege	2660	TiWorker.exe
Token: SeBackupPrivilege	2660	TiWorker.exe
Token: SeBackupPrivilege	2660	TiWorker.exe
Token: SeRestorePrivilege	2660	TiWorker.exe
Token: SeSecurityPrivilege	2660	TiWorker.exe
Token: SeBackupPrivilege	2660	TiWorker.exe
Token: SeRestorePrivilege	2660	TiWorker.exe
Token: SeSecurityPrivilege	2660	TiWorker.exe
Token: SeBackupPrivilege	2660	TiWorker.exe
Token: SeRestorePrivilege	2660	TiWorker.exe
Token: SeSecurityPrivilege	2660	TiWorker.exe
Token: SeBackupPrivilege	2660	TiWorker.exe
Token: SeRestorePrivilege	2660	TiWorker.exe
Token: SeSecurityPrivilege	2660	TiWorker.exe
Token: SeBackupPrivilege	2660	TiWorker.exe
Token: SeRestorePrivilege	2660	TiWorker.exe
Token: SeSecurityPrivilege	2660	TiWorker.exe
Token: SeBackupPrivilege	2660	TiWorker.exe
Token: SeRestorePrivilege	2660	TiWorker.exe
Token: SeSecurityPrivilege	2660	TiWorker.exe
Token: SeBackupPrivilege	2660	TiWorker.exe
Token: SeRestorePrivilege	2660	TiWorker.exe
Token: SeSecurityPrivilege	2660	TiWorker.exe
Token: SeBackupPrivilege	2660	TiWorker.exe
Token: SeRestorePrivilege	2660	TiWorker.exe
Token: SeSecurityPrivilege	2660	TiWorker.exe
Token: SeBackupPrivilege	2660	TiWorker.exe
Token: SeRestorePrivilege	2660	TiWorker.exe
Token: SeSecurityPrivilege	2660	TiWorker.exe
Token: SeBackupPrivilege	2660	TiWorker.exe
Token: SeRestorePrivilege	2660	TiWorker.exe
Token: SeSecurityPrivilege	2660	TiWorker.exe
Token: SeBackupPrivilege	2660	TiWorker.exe
Token: SeRestorePrivilege	2660	TiWorker.exe
Token: SeSecurityPrivilege	2660	TiWorker.exe
Token: SeBackupPrivilege	2660	TiWorker.exe
Token: SeRestorePrivilege	2660	TiWorker.exe
Token: SeSecurityPrivilege	2660	TiWorker.exe
Token: SeBackupPrivilege	2660	TiWorker.exe
Token: SeRestorePrivilege	2660	TiWorker.exe
Token: SeSecurityPrivilege	2660	TiWorker.exe
Token: SeBackupPrivilege	2660	TiWorker.exe
Token: SeRestorePrivilege	2660	TiWorker.exe
Token: SeSecurityPrivilege	2660	TiWorker.exe
Token: SeBackupPrivilege	2660	TiWorker.exe
Token: SeRestorePrivilege	2660	TiWorker.exe
Token: SeSecurityPrivilege	2660	TiWorker.exe
Token: SeBackupPrivilege	2660	TiWorker.exe
Token: SeRestorePrivilege	2660	TiWorker.exe
Token: SeSecurityPrivilege	2660	TiWorker.exe
Token: SeBackupPrivilege	2660	TiWorker.exe
Token: SeRestorePrivilege	2660	TiWorker.exe
Token: SeSecurityPrivilege	2660	TiWorker.exe
Token: SeBackupPrivilege	2660	TiWorker.exe
Token: SeRestorePrivilege	2660	TiWorker.exe
Token: SeSecurityPrivilege	2660	TiWorker.exe
Token: SeBackupPrivilege	2660	TiWorker.exe
Token: SeRestorePrivilege	2660	TiWorker.exe
Token: SeSecurityPrivilege	2660	TiWorker.exe
Token: SeBackupPrivilege	2660	TiWorker.exe
Token: SeRestorePrivilege	2660	TiWorker.exe
Token: SeSecurityPrivilege	2660	TiWorker.exe
Token: SeBackupPrivilege	2660	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

09f62a8b75044d2bfc13cfed89f3f4f78e175957c833e14baf7b3f885d7a0a68.execmd.exe

description	pid	process	target process
PID 1944 wrote to memory of 2220	1944	09f62a8b75044d2bfc13cfed89f3f4f78e175957c833e14baf7b3f885d7a0a68.exe	MediaCenter.exe
PID 1944 wrote to memory of 2220	1944	09f62a8b75044d2bfc13cfed89f3f4f78e175957c833e14baf7b3f885d7a0a68.exe	MediaCenter.exe
PID 1944 wrote to memory of 2220	1944	09f62a8b75044d2bfc13cfed89f3f4f78e175957c833e14baf7b3f885d7a0a68.exe	MediaCenter.exe
PID 1944 wrote to memory of 2728	1944	09f62a8b75044d2bfc13cfed89f3f4f78e175957c833e14baf7b3f885d7a0a68.exe	cmd.exe
PID 1944 wrote to memory of 2728	1944	09f62a8b75044d2bfc13cfed89f3f4f78e175957c833e14baf7b3f885d7a0a68.exe	cmd.exe
PID 1944 wrote to memory of 2728	1944	09f62a8b75044d2bfc13cfed89f3f4f78e175957c833e14baf7b3f885d7a0a68.exe	cmd.exe
PID 2728 wrote to memory of 3764	2728	cmd.exe	PING.EXE
PID 2728 wrote to memory of 3764	2728	cmd.exe	PING.EXE
PID 2728 wrote to memory of 3764	2728	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\09f62a8b75044d2bfc13cfed89f3f4f78e175957c833e14baf7b3f885d7a0a68.exe
"C:\Users\Admin\AppData\Local\Temp\09f62a8b75044d2bfc13cfed89f3f4f78e175957c833e14baf7b3f885d7a0a68.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:2220

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\09f62a8b75044d2bfc13cfed89f3f4f78e175957c833e14baf7b3f885d7a0a68.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2728

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3764

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2280

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:1660

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:2660

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
861e46e196fe8729e94f08a9110f2b3f

SHA1
8a3923c5a97ad5a89176c991631ccdaf5f84bb84

SHA256
36cd7aaea9bdfcb5a178d108b6f10500f39d97d2db685a21be47b9b61e94f2fd

SHA512
bf7c8ec01a969ef76ae5c7048b7adf05dec21b17e0275e0bacfb4db3bd9732ccb3800897124971a3f26a272482f2d576d5900e100262aa03b9661358a5c68968

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
861e46e196fe8729e94f08a9110f2b3f

SHA1
8a3923c5a97ad5a89176c991631ccdaf5f84bb84

SHA256
36cd7aaea9bdfcb5a178d108b6f10500f39d97d2db685a21be47b9b61e94f2fd

SHA512
bf7c8ec01a969ef76ae5c7048b7adf05dec21b17e0275e0bacfb4db3bd9732ccb3800897124971a3f26a272482f2d576d5900e100262aa03b9661358a5c68968

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads