sakula | 0985df5e29fe59f922d77b606089810020f48725ec7fc4cb84b815ed6b876328

General

Target

0985df5e29fe59f922d77b606089810020f48725ec7fc4cb84b815ed6b876328.exe
Size

80KB
MD5

0771a14c1e29190001baaa5cc4ab50ca
SHA1

3fd5214e57390911d3eb2a84bfc3ee6215c2a8a6
SHA256

0985df5e29fe59f922d77b606089810020f48725ec7fc4cb84b815ed6b876328
SHA512

1839870c0d08619076443d6705d4b3c0d64bd2328c6d10e0d70180523e35dc71e792310d2afe3792b979d0f38ca1fec5d0cc3d8b942cc52ba8a11904bd866667

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

3980 MediaCenter.exe

pid	process
3980	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:

0985df5e29fe59f922d77b606089810020f48725ec7fc4cb84b815ed6b876328.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0985df5e29fe59f922d77b606089810020f48725ec7fc4cb84b815ed6b876328.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0985df5e29fe59f922d77b606089810020f48725ec7fc4cb84b815ed6b876328.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"	0985df5e29fe59f922d77b606089810020f48725ec7fc4cb84b815ed6b876328.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "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\GroupConnectionCount = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.954792"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4084"	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\DownloadMonthlyInternetBytes = "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\MemoryUsageKB = "4132"	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\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 (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\DownlinkBps = "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\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.356380"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4316"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	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\UploadMonthlyLanBytes = "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\DownloadMonthlyRateBkCnt = "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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	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 = "0.000000"	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\DownloadMonthlyCacheHostBytes = "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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.006625"	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\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893086529710363"	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\UploadCount = "0"	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\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\BkDownloadRatePct = "45"	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\DownloadMonthlyGroupBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1292 PING.EXE

pid	process
1292	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe0985df5e29fe59f922d77b606089810020f48725ec7fc4cb84b815ed6b876328.exe

description	pid	process
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeIncBasePriorityPrivilege	1112	0985df5e29fe59f922d77b606089810020f48725ec7fc4cb84b815ed6b876328.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0985df5e29fe59f922d77b606089810020f48725ec7fc4cb84b815ed6b876328.execmd.exe

description	pid	process	target process
PID 1112 wrote to memory of 3980	1112	0985df5e29fe59f922d77b606089810020f48725ec7fc4cb84b815ed6b876328.exe	MediaCenter.exe
PID 1112 wrote to memory of 3980	1112	0985df5e29fe59f922d77b606089810020f48725ec7fc4cb84b815ed6b876328.exe	MediaCenter.exe
PID 1112 wrote to memory of 3980	1112	0985df5e29fe59f922d77b606089810020f48725ec7fc4cb84b815ed6b876328.exe	MediaCenter.exe
PID 1112 wrote to memory of 2748	1112	0985df5e29fe59f922d77b606089810020f48725ec7fc4cb84b815ed6b876328.exe	cmd.exe
PID 1112 wrote to memory of 2748	1112	0985df5e29fe59f922d77b606089810020f48725ec7fc4cb84b815ed6b876328.exe	cmd.exe
PID 1112 wrote to memory of 2748	1112	0985df5e29fe59f922d77b606089810020f48725ec7fc4cb84b815ed6b876328.exe	cmd.exe
PID 2748 wrote to memory of 1292	2748	cmd.exe	PING.EXE
PID 2748 wrote to memory of 1292	2748	cmd.exe	PING.EXE
PID 2748 wrote to memory of 1292	2748	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0985df5e29fe59f922d77b606089810020f48725ec7fc4cb84b815ed6b876328.exe
"C:\Users\Admin\AppData\Local\Temp\0985df5e29fe59f922d77b606089810020f48725ec7fc4cb84b815ed6b876328.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1112

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3980

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0985df5e29fe59f922d77b606089810020f48725ec7fc4cb84b815ed6b876328.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2748

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1292

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2340

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:2096

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:1872

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
d1be05eacaf805adc2d226730a436b22

SHA1
9858019ea3421f0f368a2869a0288c11af209ebb

SHA256
17a83a582e483a80cedcab7b782c34798dd165a3ff439a856181b2cfe99db4d8

SHA512
0bc8773a820214300bbdc5878d0b9c7d592071c488f447cec0297239c84a663cdce12185ae4ba59c5852cbdb852135cad6a9055699dd2120becb88470ba1037c

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
d1be05eacaf805adc2d226730a436b22

SHA1
9858019ea3421f0f368a2869a0288c11af209ebb

SHA256
17a83a582e483a80cedcab7b782c34798dd165a3ff439a856181b2cfe99db4d8

SHA512
0bc8773a820214300bbdc5878d0b9c7d592071c488f447cec0297239c84a663cdce12185ae4ba59c5852cbdb852135cad6a9055699dd2120becb88470ba1037c

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads