sakula | 170c2ff702a7fa28c22bf487fe9652ae9a455a7553bbbe742b1f83f66f54dbdc

General

Target

170c2ff702a7fa28c22bf487fe9652ae9a455a7553bbbe742b1f83f66f54dbdc.exe
Size

99KB
MD5

4c9959b9f3d6ad340121427ce88739eb
SHA1

60d4cf46181929d26335c364234e75cede0f9b43
SHA256

170c2ff702a7fa28c22bf487fe9652ae9a455a7553bbbe742b1f83f66f54dbdc
SHA512

2a39284a6078065282fb4980d581be027c6657aba4294603265ae5046b4410d5e059b18e302244481808e48cc0de7a1261d663e12e53f7b8c25ed9f448130bf6

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

3976 MediaCenter.exe

pid	process
3976	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:

170c2ff702a7fa28c22bf487fe9652ae9a455a7553bbbe742b1f83f66f54dbdc.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	170c2ff702a7fa28c22bf487fe9652ae9a455a7553bbbe742b1f83f66f54dbdc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

170c2ff702a7fa28c22bf487fe9652ae9a455a7553bbbe742b1f83f66f54dbdc.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"	170c2ff702a7fa28c22bf487fe9652ae9a455a7553bbbe742b1f83f66f54dbdc.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\Logs\CBS\CBS.log	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\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\UploadMonthlyLanBytes = "0"	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\CDNConnectionCount = "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\Config\DODownloadMode = "1"	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\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\Config\DownloadMode_BackCompat = "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\SwarmCount = "1"	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
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\MonthlyUploadRestriction = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4192"	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\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892873406760892"	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\PriorityDownloadPendingCount = "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\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.587298"	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\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\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\UploadRatePct = "100"	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	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "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\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.227790"	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\DownloadMonthlyCacheHostBytes = "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\MonthID = "2"	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\GroupConnectionCount = "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\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4088"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1724 PING.EXE

pid	process
1724	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

170c2ff702a7fa28c22bf487fe9652ae9a455a7553bbbe742b1f83f66f54dbdc.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	624	170c2ff702a7fa28c22bf487fe9652ae9a455a7553bbbe742b1f83f66f54dbdc.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe
Token: SeBackupPrivilege	3536	TiWorker.exe
Token: SeRestorePrivilege	3536	TiWorker.exe
Token: SeSecurityPrivilege	3536	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

170c2ff702a7fa28c22bf487fe9652ae9a455a7553bbbe742b1f83f66f54dbdc.execmd.exe

description	pid	process	target process
PID 624 wrote to memory of 3976	624	170c2ff702a7fa28c22bf487fe9652ae9a455a7553bbbe742b1f83f66f54dbdc.exe	MediaCenter.exe
PID 624 wrote to memory of 3976	624	170c2ff702a7fa28c22bf487fe9652ae9a455a7553bbbe742b1f83f66f54dbdc.exe	MediaCenter.exe
PID 624 wrote to memory of 3976	624	170c2ff702a7fa28c22bf487fe9652ae9a455a7553bbbe742b1f83f66f54dbdc.exe	MediaCenter.exe
PID 624 wrote to memory of 540	624	170c2ff702a7fa28c22bf487fe9652ae9a455a7553bbbe742b1f83f66f54dbdc.exe	cmd.exe
PID 624 wrote to memory of 540	624	170c2ff702a7fa28c22bf487fe9652ae9a455a7553bbbe742b1f83f66f54dbdc.exe	cmd.exe
PID 624 wrote to memory of 540	624	170c2ff702a7fa28c22bf487fe9652ae9a455a7553bbbe742b1f83f66f54dbdc.exe	cmd.exe
PID 540 wrote to memory of 1724	540	cmd.exe	PING.EXE
PID 540 wrote to memory of 1724	540	cmd.exe	PING.EXE
PID 540 wrote to memory of 1724	540	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\170c2ff702a7fa28c22bf487fe9652ae9a455a7553bbbe742b1f83f66f54dbdc.exe
"C:\Users\Admin\AppData\Local\Temp\170c2ff702a7fa28c22bf487fe9652ae9a455a7553bbbe742b1f83f66f54dbdc.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:624

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3976

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\170c2ff702a7fa28c22bf487fe9652ae9a455a7553bbbe742b1f83f66f54dbdc.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:540

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1724

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1324

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:2108

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:3536

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
16613067695d443deeb1a20df7566775

SHA1
fa4b39a39bfefc337185e146de708fb98879a236

SHA256
099e799e5a55d1439fe5f783dd2e3285b85c3154297570059e7d00b0e23926aa

SHA512
3ee2e71f7419df96aeed8bdfed2198069ef14a3fde2d77a570fc957c6f9503dfff5f4a8b29ecd6a59e63dd0b7aa8db7ea74e43b15f592918ce4f72761c6a78bc

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

MD5
16613067695d443deeb1a20df7566775

SHA1
fa4b39a39bfefc337185e146de708fb98879a236

SHA256
099e799e5a55d1439fe5f783dd2e3285b85c3154297570059e7d00b0e23926aa

SHA512
3ee2e71f7419df96aeed8bdfed2198069ef14a3fde2d77a570fc957c6f9503dfff5f4a8b29ecd6a59e63dd0b7aa8db7ea74e43b15f592918ce4f72761c6a78bc

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads