sakula | 0fa0b2be3d9c982cea3b374fa6c875c8a38b401c22ac4bda911c6ebfb3ac2c98

General

Target

0fa0b2be3d9c982cea3b374fa6c875c8a38b401c22ac4bda911c6ebfb3ac2c98.exe
Size

99KB
MD5

6f55b4a0942f9b37f0575e5534ebcb34
SHA1

773d6088855e7e1f4b55a68db136458ea0cb2384
SHA256

0fa0b2be3d9c982cea3b374fa6c875c8a38b401c22ac4bda911c6ebfb3ac2c98
SHA512

e421a791fc6a29dad53781ce1b35f96f17ab6b915403aeabe7611cf6f5f3400e13774458cf103a8fe7cbf014119685a27716eca90792aee722ccfcfeb4dbbe86

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

2584 MediaCenter.exe

pid	process
2584	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:

0fa0b2be3d9c982cea3b374fa6c875c8a38b401c22ac4bda911c6ebfb3ac2c98.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0fa0b2be3d9c982cea3b374fa6c875c8a38b401c22ac4bda911c6ebfb3ac2c98.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0fa0b2be3d9c982cea3b374fa6c875c8a38b401c22ac4bda911c6ebfb3ac2c98.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"	0fa0b2be3d9c982cea3b374fa6c875c8a38b401c22ac4bda911c6ebfb3ac2c98.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 49 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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4360"	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\LANConnectionCount = "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\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	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\MonthID = "2"	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\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\PriorityDownloadCount = "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\DownloadMonthlyCacheHostBytes = "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\DownloadMonthlyRateFrCnt = "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\UploadCount = "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 (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
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\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\DownloadMonthlyGroupBytes = "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\UplinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.580625"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4368"	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 (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\LinkLocalConnectionCount = "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\PriorityDownloadPendingCount = "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\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\Config\KVFileExpirationTime = "132892978392803494"	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\Usage	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\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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3584 PING.EXE

pid	process
3584	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0fa0b2be3d9c982cea3b374fa6c875c8a38b401c22ac4bda911c6ebfb3ac2c98.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3348	0fa0b2be3d9c982cea3b374fa6c875c8a38b401c22ac4bda911c6ebfb3ac2c98.exe
Token: SeSecurityPrivilege	2052	TiWorker.exe
Token: SeRestorePrivilege	2052	TiWorker.exe
Token: SeBackupPrivilege	2052	TiWorker.exe
Token: SeBackupPrivilege	2052	TiWorker.exe
Token: SeRestorePrivilege	2052	TiWorker.exe
Token: SeSecurityPrivilege	2052	TiWorker.exe
Token: SeBackupPrivilege	2052	TiWorker.exe
Token: SeRestorePrivilege	2052	TiWorker.exe
Token: SeSecurityPrivilege	2052	TiWorker.exe
Token: SeBackupPrivilege	2052	TiWorker.exe
Token: SeRestorePrivilege	2052	TiWorker.exe
Token: SeSecurityPrivilege	2052	TiWorker.exe
Token: SeBackupPrivilege	2052	TiWorker.exe
Token: SeRestorePrivilege	2052	TiWorker.exe
Token: SeSecurityPrivilege	2052	TiWorker.exe
Token: SeBackupPrivilege	2052	TiWorker.exe
Token: SeRestorePrivilege	2052	TiWorker.exe
Token: SeSecurityPrivilege	2052	TiWorker.exe
Token: SeBackupPrivilege	2052	TiWorker.exe
Token: SeRestorePrivilege	2052	TiWorker.exe
Token: SeSecurityPrivilege	2052	TiWorker.exe
Token: SeBackupPrivilege	2052	TiWorker.exe
Token: SeRestorePrivilege	2052	TiWorker.exe
Token: SeSecurityPrivilege	2052	TiWorker.exe
Token: SeBackupPrivilege	2052	TiWorker.exe
Token: SeRestorePrivilege	2052	TiWorker.exe
Token: SeSecurityPrivilege	2052	TiWorker.exe
Token: SeBackupPrivilege	2052	TiWorker.exe
Token: SeRestorePrivilege	2052	TiWorker.exe
Token: SeSecurityPrivilege	2052	TiWorker.exe
Token: SeBackupPrivilege	2052	TiWorker.exe
Token: SeRestorePrivilege	2052	TiWorker.exe
Token: SeSecurityPrivilege	2052	TiWorker.exe
Token: SeBackupPrivilege	2052	TiWorker.exe
Token: SeRestorePrivilege	2052	TiWorker.exe
Token: SeSecurityPrivilege	2052	TiWorker.exe
Token: SeBackupPrivilege	2052	TiWorker.exe
Token: SeRestorePrivilege	2052	TiWorker.exe
Token: SeSecurityPrivilege	2052	TiWorker.exe
Token: SeBackupPrivilege	2052	TiWorker.exe
Token: SeRestorePrivilege	2052	TiWorker.exe
Token: SeSecurityPrivilege	2052	TiWorker.exe
Token: SeBackupPrivilege	2052	TiWorker.exe
Token: SeRestorePrivilege	2052	TiWorker.exe
Token: SeSecurityPrivilege	2052	TiWorker.exe
Token: SeBackupPrivilege	2052	TiWorker.exe
Token: SeRestorePrivilege	2052	TiWorker.exe
Token: SeSecurityPrivilege	2052	TiWorker.exe
Token: SeBackupPrivilege	2052	TiWorker.exe
Token: SeRestorePrivilege	2052	TiWorker.exe
Token: SeSecurityPrivilege	2052	TiWorker.exe
Token: SeBackupPrivilege	2052	TiWorker.exe
Token: SeRestorePrivilege	2052	TiWorker.exe
Token: SeSecurityPrivilege	2052	TiWorker.exe
Token: SeBackupPrivilege	2052	TiWorker.exe
Token: SeRestorePrivilege	2052	TiWorker.exe
Token: SeSecurityPrivilege	2052	TiWorker.exe
Token: SeBackupPrivilege	2052	TiWorker.exe
Token: SeRestorePrivilege	2052	TiWorker.exe
Token: SeSecurityPrivilege	2052	TiWorker.exe
Token: SeBackupPrivilege	2052	TiWorker.exe
Token: SeRestorePrivilege	2052	TiWorker.exe
Token: SeSecurityPrivilege	2052	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0fa0b2be3d9c982cea3b374fa6c875c8a38b401c22ac4bda911c6ebfb3ac2c98.execmd.exe

description	pid	process	target process
PID 3348 wrote to memory of 2584	3348	0fa0b2be3d9c982cea3b374fa6c875c8a38b401c22ac4bda911c6ebfb3ac2c98.exe	MediaCenter.exe
PID 3348 wrote to memory of 2584	3348	0fa0b2be3d9c982cea3b374fa6c875c8a38b401c22ac4bda911c6ebfb3ac2c98.exe	MediaCenter.exe
PID 3348 wrote to memory of 2584	3348	0fa0b2be3d9c982cea3b374fa6c875c8a38b401c22ac4bda911c6ebfb3ac2c98.exe	MediaCenter.exe
PID 3348 wrote to memory of 3816	3348	0fa0b2be3d9c982cea3b374fa6c875c8a38b401c22ac4bda911c6ebfb3ac2c98.exe	cmd.exe
PID 3348 wrote to memory of 3816	3348	0fa0b2be3d9c982cea3b374fa6c875c8a38b401c22ac4bda911c6ebfb3ac2c98.exe	cmd.exe
PID 3348 wrote to memory of 3816	3348	0fa0b2be3d9c982cea3b374fa6c875c8a38b401c22ac4bda911c6ebfb3ac2c98.exe	cmd.exe
PID 3816 wrote to memory of 3584	3816	cmd.exe	PING.EXE
PID 3816 wrote to memory of 3584	3816	cmd.exe	PING.EXE
PID 3816 wrote to memory of 3584	3816	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0fa0b2be3d9c982cea3b374fa6c875c8a38b401c22ac4bda911c6ebfb3ac2c98.exe
"C:\Users\Admin\AppData\Local\Temp\0fa0b2be3d9c982cea3b374fa6c875c8a38b401c22ac4bda911c6ebfb3ac2c98.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3348

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2584

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0fa0b2be3d9c982cea3b374fa6c875c8a38b401c22ac4bda911c6ebfb3ac2c98.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3816

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3584

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3408

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:336

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:2052

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
729003ab3d9f305e442be9edb8c6da91

SHA1
cd469a8d1250c819c3a3f2c28af04a4a6e2bbb1a

SHA256
e6c10bb6676d6428c3b6a219cfe712d0d7af02907a2e03d688f5d136aa7ad156

SHA512
675c728b4e59a5c59534d97d8e78d72bba2af67c68a997c82aa9eb87c173f237b86922882a991d1a065d275650b772fcff3261444bcc4a688f48165b621a8316

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

MD5
729003ab3d9f305e442be9edb8c6da91

SHA1
cd469a8d1250c819c3a3f2c28af04a4a6e2bbb1a

SHA256
e6c10bb6676d6428c3b6a219cfe712d0d7af02907a2e03d688f5d136aa7ad156

SHA512
675c728b4e59a5c59534d97d8e78d72bba2af67c68a997c82aa9eb87c173f237b86922882a991d1a065d275650b772fcff3261444bcc4a688f48165b621a8316

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads