sakula | 17582e12053169192de99961614e8895978d859d8571665754b4ded0283702e2

General

Target

17582e12053169192de99961614e8895978d859d8571665754b4ded0283702e2.exe
Size

92KB
MD5

a81416c358133806902288e7c41d976b
SHA1

c791cb19d17cf8d3959399eec9d680d446d43682
SHA256

17582e12053169192de99961614e8895978d859d8571665754b4ded0283702e2
SHA512

369cd433bc68eac60124550025fb727ca91b4184a8b6ebedf686de69bf5812b0e8543ca6b5f5ef2b693489d502908282658216b386b8bbc7932a2eb9bfa325a4

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

2468 MediaCenter.exe

pid	process
2468	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:

17582e12053169192de99961614e8895978d859d8571665754b4ded0283702e2.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	17582e12053169192de99961614e8895978d859d8571665754b4ded0283702e2.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

17582e12053169192de99961614e8895978d859d8571665754b4ded0283702e2.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"	17582e12053169192de99961614e8895978d859d8571665754b4ded0283702e2.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 49 IoCs

Processes:

svchost.exe

description	ioc	process
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\NormalDownloadCount = "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\Config\DODownloadMode = "1"	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\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4092"	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\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\SwarmCount = "1"	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\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\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4204"	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 (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\Config\KVFileExpirationTime = "132892868950591322"	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\Config\DownloadMode_BackCompat = "1"	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\DownloadMonthlyGroupBytes = "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\SwarmCount = "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\LANConnectionCount = "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\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\DownlinkBps = "0"	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\CDNConnectionCount = "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\PriorityDownloadPendingCount = "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\Usage\DownloadMonthlyCdnBytes = "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\Usage\CPUpct = "1.608185"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.409837"	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\CacheSizeBytes = "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\UplinkUsageBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3656 PING.EXE

pid	process
3656	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe17582e12053169192de99961614e8895978d859d8571665754b4ded0283702e2.exe

description	pid	process
Token: SeSecurityPrivilege	3596	TiWorker.exe
Token: SeRestorePrivilege	3596	TiWorker.exe
Token: SeBackupPrivilege	3596	TiWorker.exe
Token: SeIncBasePriorityPrivilege	2988	17582e12053169192de99961614e8895978d859d8571665754b4ded0283702e2.exe
Token: SeBackupPrivilege	3596	TiWorker.exe
Token: SeRestorePrivilege	3596	TiWorker.exe
Token: SeSecurityPrivilege	3596	TiWorker.exe
Token: SeBackupPrivilege	3596	TiWorker.exe
Token: SeRestorePrivilege	3596	TiWorker.exe
Token: SeSecurityPrivilege	3596	TiWorker.exe
Token: SeBackupPrivilege	3596	TiWorker.exe
Token: SeRestorePrivilege	3596	TiWorker.exe
Token: SeSecurityPrivilege	3596	TiWorker.exe
Token: SeBackupPrivilege	3596	TiWorker.exe
Token: SeRestorePrivilege	3596	TiWorker.exe
Token: SeSecurityPrivilege	3596	TiWorker.exe
Token: SeBackupPrivilege	3596	TiWorker.exe
Token: SeRestorePrivilege	3596	TiWorker.exe
Token: SeSecurityPrivilege	3596	TiWorker.exe
Token: SeBackupPrivilege	3596	TiWorker.exe
Token: SeRestorePrivilege	3596	TiWorker.exe
Token: SeSecurityPrivilege	3596	TiWorker.exe
Token: SeBackupPrivilege	3596	TiWorker.exe
Token: SeRestorePrivilege	3596	TiWorker.exe
Token: SeSecurityPrivilege	3596	TiWorker.exe
Token: SeBackupPrivilege	3596	TiWorker.exe
Token: SeRestorePrivilege	3596	TiWorker.exe
Token: SeSecurityPrivilege	3596	TiWorker.exe
Token: SeBackupPrivilege	3596	TiWorker.exe
Token: SeRestorePrivilege	3596	TiWorker.exe
Token: SeSecurityPrivilege	3596	TiWorker.exe
Token: SeBackupPrivilege	3596	TiWorker.exe
Token: SeRestorePrivilege	3596	TiWorker.exe
Token: SeSecurityPrivilege	3596	TiWorker.exe
Token: SeBackupPrivilege	3596	TiWorker.exe
Token: SeRestorePrivilege	3596	TiWorker.exe
Token: SeSecurityPrivilege	3596	TiWorker.exe
Token: SeBackupPrivilege	3596	TiWorker.exe
Token: SeRestorePrivilege	3596	TiWorker.exe
Token: SeSecurityPrivilege	3596	TiWorker.exe
Token: SeBackupPrivilege	3596	TiWorker.exe
Token: SeRestorePrivilege	3596	TiWorker.exe
Token: SeSecurityPrivilege	3596	TiWorker.exe
Token: SeBackupPrivilege	3596	TiWorker.exe
Token: SeRestorePrivilege	3596	TiWorker.exe
Token: SeSecurityPrivilege	3596	TiWorker.exe
Token: SeBackupPrivilege	3596	TiWorker.exe
Token: SeRestorePrivilege	3596	TiWorker.exe
Token: SeSecurityPrivilege	3596	TiWorker.exe
Token: SeBackupPrivilege	3596	TiWorker.exe
Token: SeRestorePrivilege	3596	TiWorker.exe
Token: SeSecurityPrivilege	3596	TiWorker.exe
Token: SeBackupPrivilege	3596	TiWorker.exe
Token: SeRestorePrivilege	3596	TiWorker.exe
Token: SeSecurityPrivilege	3596	TiWorker.exe
Token: SeBackupPrivilege	3596	TiWorker.exe
Token: SeRestorePrivilege	3596	TiWorker.exe
Token: SeSecurityPrivilege	3596	TiWorker.exe
Token: SeBackupPrivilege	3596	TiWorker.exe
Token: SeRestorePrivilege	3596	TiWorker.exe
Token: SeSecurityPrivilege	3596	TiWorker.exe
Token: SeBackupPrivilege	3596	TiWorker.exe
Token: SeRestorePrivilege	3596	TiWorker.exe
Token: SeSecurityPrivilege	3596	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

17582e12053169192de99961614e8895978d859d8571665754b4ded0283702e2.execmd.exe

description	pid	process	target process
PID 2988 wrote to memory of 2468	2988	17582e12053169192de99961614e8895978d859d8571665754b4ded0283702e2.exe	MediaCenter.exe
PID 2988 wrote to memory of 2468	2988	17582e12053169192de99961614e8895978d859d8571665754b4ded0283702e2.exe	MediaCenter.exe
PID 2988 wrote to memory of 2468	2988	17582e12053169192de99961614e8895978d859d8571665754b4ded0283702e2.exe	MediaCenter.exe
PID 2988 wrote to memory of 2168	2988	17582e12053169192de99961614e8895978d859d8571665754b4ded0283702e2.exe	cmd.exe
PID 2988 wrote to memory of 2168	2988	17582e12053169192de99961614e8895978d859d8571665754b4ded0283702e2.exe	cmd.exe
PID 2988 wrote to memory of 2168	2988	17582e12053169192de99961614e8895978d859d8571665754b4ded0283702e2.exe	cmd.exe
PID 2168 wrote to memory of 3656	2168	cmd.exe	PING.EXE
PID 2168 wrote to memory of 3656	2168	cmd.exe	PING.EXE
PID 2168 wrote to memory of 3656	2168	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\17582e12053169192de99961614e8895978d859d8571665754b4ded0283702e2.exe
"C:\Users\Admin\AppData\Local\Temp\17582e12053169192de99961614e8895978d859d8571665754b4ded0283702e2.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2988

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2468

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\17582e12053169192de99961614e8895978d859d8571665754b4ded0283702e2.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2168

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3656

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3312

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:1824

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:3596

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
00ba11686ef337bf6d580b94b616f7e9

SHA1
997c8d388445a1df941b66478680db8fe8bd75ab

SHA256
49df0d4f0d32b55f58e85766174dc88bf859db4a397e82aeaba6ceedc0349163

SHA512
e9794dbf15b36f97962dd45059a0a75f92cd0a8f6398262c3f4d12b62c19339b7b288ce555f6be4d53127d6fc2a9a2eeb2f4f29c285963b4f91d7cfe7bc71dc0

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

MD5
00ba11686ef337bf6d580b94b616f7e9

SHA1
997c8d388445a1df941b66478680db8fe8bd75ab

SHA256
49df0d4f0d32b55f58e85766174dc88bf859db4a397e82aeaba6ceedc0349163

SHA512
e9794dbf15b36f97962dd45059a0a75f92cd0a8f6398262c3f4d12b62c19339b7b288ce555f6be4d53127d6fc2a9a2eeb2f4f29c285963b4f91d7cfe7bc71dc0

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads