sakula | 16c6f09b21551697b130d5434265289d6fa06ba131ae90a891e8338e37d7c489

General

Target

16c6f09b21551697b130d5434265289d6fa06ba131ae90a891e8338e37d7c489.exe
Size

191KB
MD5

092fa8d2cbdb25d581c2529de6cdafb1
SHA1

cb0e9a40e2634d6c079cb99aa5c9b86fb0740bdb
SHA256

16c6f09b21551697b130d5434265289d6fa06ba131ae90a891e8338e37d7c489
SHA512

136e448aa6b441c781709fb81337c5ea317d788ba30bbe739fbbe14df03f635e30c92a662580e19d23e4367210c2de41272d5732055ded78c4e4ad97fcf0cf93

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

384 MediaCenter.exe

pid	process
384	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:

16c6f09b21551697b130d5434265289d6fa06ba131ae90a891e8338e37d7c489.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	16c6f09b21551697b130d5434265289d6fa06ba131ae90a891e8338e37d7c489.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

16c6f09b21551697b130d5434265289d6fa06ba131ae90a891e8338e37d7c489.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"	16c6f09b21551697b130d5434265289d6fa06ba131ae90a891e8338e37d7c489.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 52 IoCs

Processes:

svchost.exe

description	ioc	process
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\DownloadMonthlyInternetBytes = "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
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\MemoryUsageKB = "4108"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.299833"	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
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\DownloadMonthlyGroupBytes = "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\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\PeerInfoCount = "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 = "0.000000"	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\DownloadMonthlyRateFrBps = "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
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.636313"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3880"	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\NormalDownloadPendingCount = "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\DownloadMonthlyCacheHostBytes = "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\DownloadMonthlyRateBkCnt = "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\UploadRatePct = "100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.143797"	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\Usage\DownloadMonthlyLanBytes = "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\GroupConnectionCount = "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\DownlinkUsageBps = "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\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\SwarmCount = "1"	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 = "4220"	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\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892877228614658"	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\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4236"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2620 PING.EXE

pid	process
2620	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe16c6f09b21551697b130d5434265289d6fa06ba131ae90a891e8338e37d7c489.exe

description	pid	process
Token: SeSecurityPrivilege	2784	TiWorker.exe
Token: SeRestorePrivilege	2784	TiWorker.exe
Token: SeBackupPrivilege	2784	TiWorker.exe
Token: SeIncBasePriorityPrivilege	1908	16c6f09b21551697b130d5434265289d6fa06ba131ae90a891e8338e37d7c489.exe
Token: SeBackupPrivilege	2784	TiWorker.exe
Token: SeRestorePrivilege	2784	TiWorker.exe
Token: SeSecurityPrivilege	2784	TiWorker.exe
Token: SeBackupPrivilege	2784	TiWorker.exe
Token: SeRestorePrivilege	2784	TiWorker.exe
Token: SeSecurityPrivilege	2784	TiWorker.exe
Token: SeBackupPrivilege	2784	TiWorker.exe
Token: SeRestorePrivilege	2784	TiWorker.exe
Token: SeSecurityPrivilege	2784	TiWorker.exe
Token: SeBackupPrivilege	2784	TiWorker.exe
Token: SeRestorePrivilege	2784	TiWorker.exe
Token: SeSecurityPrivilege	2784	TiWorker.exe
Token: SeBackupPrivilege	2784	TiWorker.exe
Token: SeRestorePrivilege	2784	TiWorker.exe
Token: SeSecurityPrivilege	2784	TiWorker.exe
Token: SeBackupPrivilege	2784	TiWorker.exe
Token: SeRestorePrivilege	2784	TiWorker.exe
Token: SeSecurityPrivilege	2784	TiWorker.exe
Token: SeBackupPrivilege	2784	TiWorker.exe
Token: SeRestorePrivilege	2784	TiWorker.exe
Token: SeSecurityPrivilege	2784	TiWorker.exe
Token: SeBackupPrivilege	2784	TiWorker.exe
Token: SeRestorePrivilege	2784	TiWorker.exe
Token: SeSecurityPrivilege	2784	TiWorker.exe
Token: SeBackupPrivilege	2784	TiWorker.exe
Token: SeRestorePrivilege	2784	TiWorker.exe
Token: SeSecurityPrivilege	2784	TiWorker.exe
Token: SeBackupPrivilege	2784	TiWorker.exe
Token: SeRestorePrivilege	2784	TiWorker.exe
Token: SeSecurityPrivilege	2784	TiWorker.exe
Token: SeBackupPrivilege	2784	TiWorker.exe
Token: SeRestorePrivilege	2784	TiWorker.exe
Token: SeSecurityPrivilege	2784	TiWorker.exe
Token: SeBackupPrivilege	2784	TiWorker.exe
Token: SeRestorePrivilege	2784	TiWorker.exe
Token: SeSecurityPrivilege	2784	TiWorker.exe
Token: SeBackupPrivilege	2784	TiWorker.exe
Token: SeRestorePrivilege	2784	TiWorker.exe
Token: SeSecurityPrivilege	2784	TiWorker.exe
Token: SeBackupPrivilege	2784	TiWorker.exe
Token: SeRestorePrivilege	2784	TiWorker.exe
Token: SeSecurityPrivilege	2784	TiWorker.exe
Token: SeBackupPrivilege	2784	TiWorker.exe
Token: SeRestorePrivilege	2784	TiWorker.exe
Token: SeSecurityPrivilege	2784	TiWorker.exe
Token: SeBackupPrivilege	2784	TiWorker.exe
Token: SeRestorePrivilege	2784	TiWorker.exe
Token: SeSecurityPrivilege	2784	TiWorker.exe
Token: SeBackupPrivilege	2784	TiWorker.exe
Token: SeRestorePrivilege	2784	TiWorker.exe
Token: SeSecurityPrivilege	2784	TiWorker.exe
Token: SeBackupPrivilege	2784	TiWorker.exe
Token: SeRestorePrivilege	2784	TiWorker.exe
Token: SeSecurityPrivilege	2784	TiWorker.exe
Token: SeBackupPrivilege	2784	TiWorker.exe
Token: SeRestorePrivilege	2784	TiWorker.exe
Token: SeSecurityPrivilege	2784	TiWorker.exe
Token: SeBackupPrivilege	2784	TiWorker.exe
Token: SeRestorePrivilege	2784	TiWorker.exe
Token: SeSecurityPrivilege	2784	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

16c6f09b21551697b130d5434265289d6fa06ba131ae90a891e8338e37d7c489.execmd.exe

description	pid	process	target process
PID 1908 wrote to memory of 384	1908	16c6f09b21551697b130d5434265289d6fa06ba131ae90a891e8338e37d7c489.exe	MediaCenter.exe
PID 1908 wrote to memory of 384	1908	16c6f09b21551697b130d5434265289d6fa06ba131ae90a891e8338e37d7c489.exe	MediaCenter.exe
PID 1908 wrote to memory of 384	1908	16c6f09b21551697b130d5434265289d6fa06ba131ae90a891e8338e37d7c489.exe	MediaCenter.exe
PID 1908 wrote to memory of 2072	1908	16c6f09b21551697b130d5434265289d6fa06ba131ae90a891e8338e37d7c489.exe	cmd.exe
PID 1908 wrote to memory of 2072	1908	16c6f09b21551697b130d5434265289d6fa06ba131ae90a891e8338e37d7c489.exe	cmd.exe
PID 1908 wrote to memory of 2072	1908	16c6f09b21551697b130d5434265289d6fa06ba131ae90a891e8338e37d7c489.exe	cmd.exe
PID 2072 wrote to memory of 2620	2072	cmd.exe	PING.EXE
PID 2072 wrote to memory of 2620	2072	cmd.exe	PING.EXE
PID 2072 wrote to memory of 2620	2072	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\16c6f09b21551697b130d5434265289d6fa06ba131ae90a891e8338e37d7c489.exe
"C:\Users\Admin\AppData\Local\Temp\16c6f09b21551697b130d5434265289d6fa06ba131ae90a891e8338e37d7c489.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1908

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:384

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\16c6f09b21551697b130d5434265289d6fa06ba131ae90a891e8338e37d7c489.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2072

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2620

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2036

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:2280

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:2784

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
0143ec4511888b753d4a44d994f7919c

SHA1
372fba31756ec5b5069d4bd4e300598f43a7b828

SHA256
5ff3821ebb8f13baa380545ac547822c6866eee15f402a558062d09345bca257

SHA512
0c9954e2346c5c784f4506020ef4dbb9af1a287a7b8aae6c2d06cab023dec440a79ee069ded1493748708d0f13492ed033f418fc2e542073362f7ce6a74291f9

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

MD5
0143ec4511888b753d4a44d994f7919c

SHA1
372fba31756ec5b5069d4bd4e300598f43a7b828

SHA256
5ff3821ebb8f13baa380545ac547822c6866eee15f402a558062d09345bca257

SHA512
0c9954e2346c5c784f4506020ef4dbb9af1a287a7b8aae6c2d06cab023dec440a79ee069ded1493748708d0f13492ed033f418fc2e542073362f7ce6a74291f9

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads