sakula | 0a0b10adcb14ddf6c0817206884f3d90c114e21ba96a1825b401eaf49f8d7b9f

General

Target

0a0b10adcb14ddf6c0817206884f3d90c114e21ba96a1825b401eaf49f8d7b9f.exe
Size

191KB
MD5

c15c7ba556c1cf25ca6c5dfd19555e31
SHA1

bc176b64e59245311a44326fa17cb1fb54eaab15
SHA256

0a0b10adcb14ddf6c0817206884f3d90c114e21ba96a1825b401eaf49f8d7b9f
SHA512

1ca0397cce49a67b8bc3dc44e34e642041201f7215e4de7fc9424de099b587ff4adb1d35e7a69e506d20712337300481554bc3a130ee95144ddb06a80b71e32f

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

3020 MediaCenter.exe

pid	process
3020	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:

0a0b10adcb14ddf6c0817206884f3d90c114e21ba96a1825b401eaf49f8d7b9f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0a0b10adcb14ddf6c0817206884f3d90c114e21ba96a1825b401eaf49f8d7b9f.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0a0b10adcb14ddf6c0817206884f3d90c114e21ba96a1825b401eaf49f8d7b9f.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"	0a0b10adcb14ddf6c0817206884f3d90c114e21ba96a1825b401eaf49f8d7b9f.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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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 (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\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 = "4092"	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\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\CacheSizeBytes = "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\BkDownloadRatePct = "45"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.907046"	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\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893081286405943"	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
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\UploadMonthlyLanBytes = "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
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\MemoryUsageKB = "4312"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1"	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\FrDownloadRatePct = "90"	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\DownloadMonthlyRateBkBps = "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\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\DownlinkUsageBps = "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\MemoryUsageKB = "4028"	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\LinkLocalConnectionCount = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.320116"	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\DownloadMonthlyCacheHostBytes = "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\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\LANConnectionCount = "0"	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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1836 PING.EXE

pid	process
1836	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe0a0b10adcb14ddf6c0817206884f3d90c114e21ba96a1825b401eaf49f8d7b9f.exe

description	pid	process
Token: SeSecurityPrivilege	1892	TiWorker.exe
Token: SeRestorePrivilege	1892	TiWorker.exe
Token: SeBackupPrivilege	1892	TiWorker.exe
Token: SeIncBasePriorityPrivilege	1668	0a0b10adcb14ddf6c0817206884f3d90c114e21ba96a1825b401eaf49f8d7b9f.exe
Token: SeBackupPrivilege	1892	TiWorker.exe
Token: SeRestorePrivilege	1892	TiWorker.exe
Token: SeSecurityPrivilege	1892	TiWorker.exe
Token: SeBackupPrivilege	1892	TiWorker.exe
Token: SeRestorePrivilege	1892	TiWorker.exe
Token: SeSecurityPrivilege	1892	TiWorker.exe
Token: SeBackupPrivilege	1892	TiWorker.exe
Token: SeRestorePrivilege	1892	TiWorker.exe
Token: SeSecurityPrivilege	1892	TiWorker.exe
Token: SeBackupPrivilege	1892	TiWorker.exe
Token: SeRestorePrivilege	1892	TiWorker.exe
Token: SeSecurityPrivilege	1892	TiWorker.exe
Token: SeBackupPrivilege	1892	TiWorker.exe
Token: SeRestorePrivilege	1892	TiWorker.exe
Token: SeSecurityPrivilege	1892	TiWorker.exe
Token: SeBackupPrivilege	1892	TiWorker.exe
Token: SeRestorePrivilege	1892	TiWorker.exe
Token: SeSecurityPrivilege	1892	TiWorker.exe
Token: SeBackupPrivilege	1892	TiWorker.exe
Token: SeRestorePrivilege	1892	TiWorker.exe
Token: SeSecurityPrivilege	1892	TiWorker.exe
Token: SeBackupPrivilege	1892	TiWorker.exe
Token: SeRestorePrivilege	1892	TiWorker.exe
Token: SeSecurityPrivilege	1892	TiWorker.exe
Token: SeBackupPrivilege	1892	TiWorker.exe
Token: SeRestorePrivilege	1892	TiWorker.exe
Token: SeSecurityPrivilege	1892	TiWorker.exe
Token: SeBackupPrivilege	1892	TiWorker.exe
Token: SeRestorePrivilege	1892	TiWorker.exe
Token: SeSecurityPrivilege	1892	TiWorker.exe
Token: SeBackupPrivilege	1892	TiWorker.exe
Token: SeRestorePrivilege	1892	TiWorker.exe
Token: SeSecurityPrivilege	1892	TiWorker.exe
Token: SeBackupPrivilege	1892	TiWorker.exe
Token: SeRestorePrivilege	1892	TiWorker.exe
Token: SeSecurityPrivilege	1892	TiWorker.exe
Token: SeBackupPrivilege	1892	TiWorker.exe
Token: SeRestorePrivilege	1892	TiWorker.exe
Token: SeSecurityPrivilege	1892	TiWorker.exe
Token: SeBackupPrivilege	1892	TiWorker.exe
Token: SeRestorePrivilege	1892	TiWorker.exe
Token: SeSecurityPrivilege	1892	TiWorker.exe
Token: SeBackupPrivilege	1892	TiWorker.exe
Token: SeRestorePrivilege	1892	TiWorker.exe
Token: SeSecurityPrivilege	1892	TiWorker.exe
Token: SeBackupPrivilege	1892	TiWorker.exe
Token: SeRestorePrivilege	1892	TiWorker.exe
Token: SeSecurityPrivilege	1892	TiWorker.exe
Token: SeBackupPrivilege	1892	TiWorker.exe
Token: SeRestorePrivilege	1892	TiWorker.exe
Token: SeSecurityPrivilege	1892	TiWorker.exe
Token: SeBackupPrivilege	1892	TiWorker.exe
Token: SeRestorePrivilege	1892	TiWorker.exe
Token: SeSecurityPrivilege	1892	TiWorker.exe
Token: SeBackupPrivilege	1892	TiWorker.exe
Token: SeRestorePrivilege	1892	TiWorker.exe
Token: SeSecurityPrivilege	1892	TiWorker.exe
Token: SeBackupPrivilege	1892	TiWorker.exe
Token: SeRestorePrivilege	1892	TiWorker.exe
Token: SeSecurityPrivilege	1892	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0a0b10adcb14ddf6c0817206884f3d90c114e21ba96a1825b401eaf49f8d7b9f.execmd.exe

description	pid	process	target process
PID 1668 wrote to memory of 3020	1668	0a0b10adcb14ddf6c0817206884f3d90c114e21ba96a1825b401eaf49f8d7b9f.exe	MediaCenter.exe
PID 1668 wrote to memory of 3020	1668	0a0b10adcb14ddf6c0817206884f3d90c114e21ba96a1825b401eaf49f8d7b9f.exe	MediaCenter.exe
PID 1668 wrote to memory of 3020	1668	0a0b10adcb14ddf6c0817206884f3d90c114e21ba96a1825b401eaf49f8d7b9f.exe	MediaCenter.exe
PID 1668 wrote to memory of 1276	1668	0a0b10adcb14ddf6c0817206884f3d90c114e21ba96a1825b401eaf49f8d7b9f.exe	cmd.exe
PID 1668 wrote to memory of 1276	1668	0a0b10adcb14ddf6c0817206884f3d90c114e21ba96a1825b401eaf49f8d7b9f.exe	cmd.exe
PID 1668 wrote to memory of 1276	1668	0a0b10adcb14ddf6c0817206884f3d90c114e21ba96a1825b401eaf49f8d7b9f.exe	cmd.exe
PID 1276 wrote to memory of 1836	1276	cmd.exe	PING.EXE
PID 1276 wrote to memory of 1836	1276	cmd.exe	PING.EXE
PID 1276 wrote to memory of 1836	1276	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0a0b10adcb14ddf6c0817206884f3d90c114e21ba96a1825b401eaf49f8d7b9f.exe
"C:\Users\Admin\AppData\Local\Temp\0a0b10adcb14ddf6c0817206884f3d90c114e21ba96a1825b401eaf49f8d7b9f.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1668

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3020

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0a0b10adcb14ddf6c0817206884f3d90c114e21ba96a1825b401eaf49f8d7b9f.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1276

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1836

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:676

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:1284

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:1892

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
390196b97d86ad6592718447f3bd62a3

SHA1
0aa6a19d13bf30bd1a0f759a3bb05b659dad6d09

SHA256
6ccfb943fcf5f40ac323c82f373136010da5af3c20f3bb8f38be8bc6a11e149c

SHA512
d3e17844ce63e951285132a98500872d067d3b3e9d7f482102105a1c06a4e7d231a8cb36897cbe1cd8229c37e521b20e700594679b4299193a17acde77b2fa80

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
390196b97d86ad6592718447f3bd62a3

SHA1
0aa6a19d13bf30bd1a0f759a3bb05b659dad6d09

SHA256
6ccfb943fcf5f40ac323c82f373136010da5af3c20f3bb8f38be8bc6a11e149c

SHA512
d3e17844ce63e951285132a98500872d067d3b3e9d7f482102105a1c06a4e7d231a8cb36897cbe1cd8229c37e521b20e700594679b4299193a17acde77b2fa80

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads