sakula | 0a5a97331ecb7ea152fad16e54d6637ad338946ce3bf47765f95ee7c1f3c371a

General

Target

0a5a97331ecb7ea152fad16e54d6637ad338946ce3bf47765f95ee7c1f3c371a.exe
Size

99KB
MD5

c7544bfee26d6fdc11940a91869cc79a
SHA1

7b427e97643bbf8377eaa2442271779fde3d75bd
SHA256

0a5a97331ecb7ea152fad16e54d6637ad338946ce3bf47765f95ee7c1f3c371a
SHA512

f38d987d219f7cb433d27fd8dee3e0d67513d20e28240453e699322f42c407a1a972d7c32bfbf9f18fa2d9b258f5e57a8209a732eaf31c53f38328a1aab162fe

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

3792 MediaCenter.exe

pid	process
3792	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:

0a5a97331ecb7ea152fad16e54d6637ad338946ce3bf47765f95ee7c1f3c371a.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0a5a97331ecb7ea152fad16e54d6637ad338946ce3bf47765f95ee7c1f3c371a.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0a5a97331ecb7ea152fad16e54d6637ad338946ce3bf47765f95ee7c1f3c371a.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"	0a5a97331ecb7ea152fad16e54d6637ad338946ce3bf47765f95ee7c1f3c371a.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\MemoryUsageKB = "4332"	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\Config	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\SwarmCount = "1"	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\PriorityDownloadCount = "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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	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\Usage	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 = "132893077281587004"	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\CDNConnectionCount = "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\MemoryUsageKB = "4152"	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\UploadMonthlyLanBytes = "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\DownloadMonthlyCacheHostBytes = "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\UploadRatePct = "100"	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\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\LANConnectionCount = "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\UplinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.374666"	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\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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.405581"	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\PeerInfoCount = "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\PriorityDownloadPendingCount = "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\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\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	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\Config\DownloadMode_BackCompat = "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\NormalDownloadPendingCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

424 PING.EXE

pid	process
424	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0a5a97331ecb7ea152fad16e54d6637ad338946ce3bf47765f95ee7c1f3c371a.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3724	0a5a97331ecb7ea152fad16e54d6637ad338946ce3bf47765f95ee7c1f3c371a.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe
Token: SeBackupPrivilege	3484	TiWorker.exe
Token: SeRestorePrivilege	3484	TiWorker.exe
Token: SeSecurityPrivilege	3484	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0a5a97331ecb7ea152fad16e54d6637ad338946ce3bf47765f95ee7c1f3c371a.execmd.exe

description	pid	process	target process
PID 3724 wrote to memory of 3792	3724	0a5a97331ecb7ea152fad16e54d6637ad338946ce3bf47765f95ee7c1f3c371a.exe	MediaCenter.exe
PID 3724 wrote to memory of 3792	3724	0a5a97331ecb7ea152fad16e54d6637ad338946ce3bf47765f95ee7c1f3c371a.exe	MediaCenter.exe
PID 3724 wrote to memory of 3792	3724	0a5a97331ecb7ea152fad16e54d6637ad338946ce3bf47765f95ee7c1f3c371a.exe	MediaCenter.exe
PID 3724 wrote to memory of 2168	3724	0a5a97331ecb7ea152fad16e54d6637ad338946ce3bf47765f95ee7c1f3c371a.exe	cmd.exe
PID 3724 wrote to memory of 2168	3724	0a5a97331ecb7ea152fad16e54d6637ad338946ce3bf47765f95ee7c1f3c371a.exe	cmd.exe
PID 3724 wrote to memory of 2168	3724	0a5a97331ecb7ea152fad16e54d6637ad338946ce3bf47765f95ee7c1f3c371a.exe	cmd.exe
PID 2168 wrote to memory of 424	2168	cmd.exe	PING.EXE
PID 2168 wrote to memory of 424	2168	cmd.exe	PING.EXE
PID 2168 wrote to memory of 424	2168	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0a5a97331ecb7ea152fad16e54d6637ad338946ce3bf47765f95ee7c1f3c371a.exe
"C:\Users\Admin\AppData\Local\Temp\0a5a97331ecb7ea152fad16e54d6637ad338946ce3bf47765f95ee7c1f3c371a.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3724

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3792

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0a5a97331ecb7ea152fad16e54d6637ad338946ce3bf47765f95ee7c1f3c371a.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2168

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:424

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:996

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:3148

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:3484

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
15e6a97d867bb4e7fb48d157c673087b

SHA1
2cf7368c18467390a91cf28253e9358f28898ff9

SHA256
a8ef5cfee86f93af10c7320b12f0528c0cdc3656c8c50e3f07f204316600aa4d

SHA512
e95da3509574f7da0018221752f2ccf9840288c0afd5da236cabec8dab78c575955cec97dec2aa0c7a90d81a918c63feb2c754a80bb633282e09689807bbd469

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
15e6a97d867bb4e7fb48d157c673087b

SHA1
2cf7368c18467390a91cf28253e9358f28898ff9

SHA256
a8ef5cfee86f93af10c7320b12f0528c0cdc3656c8c50e3f07f204316600aa4d

SHA512
e95da3509574f7da0018221752f2ccf9840288c0afd5da236cabec8dab78c575955cec97dec2aa0c7a90d81a918c63feb2c754a80bb633282e09689807bbd469

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads