sakula | 0cb4f6a76f4f5527116d13493ee70b8ae18bb6c944ba94d0076035af390f7e9b

General

Target

0cb4f6a76f4f5527116d13493ee70b8ae18bb6c944ba94d0076035af390f7e9b.exe
Size

36KB
MD5

7272859ae1cfabbbb9562035c8c1da4b
SHA1

7216190cadeecb314aabb1be05424c2ede8047ce
SHA256

0cb4f6a76f4f5527116d13493ee70b8ae18bb6c944ba94d0076035af390f7e9b
SHA512

a95260b378c614edb7f8705ece74aa2d509d78aff04fb9bb665e3064f4adaa70cd61eea7d936363c37b2d31174440642ba1f7a009a893e34436893bb79f7d552

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

1248 MediaCenter.exe

pid	process
1248	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:

0cb4f6a76f4f5527116d13493ee70b8ae18bb6c944ba94d0076035af390f7e9b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0cb4f6a76f4f5527116d13493ee70b8ae18bb6c944ba94d0076035af390f7e9b.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0cb4f6a76f4f5527116d13493ee70b8ae18bb6c944ba94d0076035af390f7e9b.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"	0cb4f6a76f4f5527116d13493ee70b8ae18bb6c944ba94d0076035af390f7e9b.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\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.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\Usage\UploadRatePct = "100"	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\MemoryUsageKB = "4204"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	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\MonthID = "2"	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\CDNConnectionCount = "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\PriorityDownloadPendingCount = "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\UploadMonthlyInternetBytes = "0"	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\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo"	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\MemoryUsageKB = "4120"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3884"	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 = "0.009259"	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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4212"	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\Config\DownloadMode_BackCompat = "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\Config\KVFileExpirationTime = "132893021448194777"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.059242"	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\NormalDownloadPendingCount = "0"	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 (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\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\DownlinkUsageBps = "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\DownloadMonthlyInternetBytes = "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 (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\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.273228"	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\BkDownloadRatePct = "45"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.357710"	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\UploadMonthlyLanBytes = "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\CacheSizeBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4016 PING.EXE

pid	process
4016	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe0cb4f6a76f4f5527116d13493ee70b8ae18bb6c944ba94d0076035af390f7e9b.exe

description	pid	process
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeIncBasePriorityPrivilege	1100	0cb4f6a76f4f5527116d13493ee70b8ae18bb6c944ba94d0076035af390f7e9b.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe
Token: SeBackupPrivilege	3924	TiWorker.exe
Token: SeRestorePrivilege	3924	TiWorker.exe
Token: SeSecurityPrivilege	3924	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0cb4f6a76f4f5527116d13493ee70b8ae18bb6c944ba94d0076035af390f7e9b.execmd.exe

description	pid	process	target process
PID 1100 wrote to memory of 1248	1100	0cb4f6a76f4f5527116d13493ee70b8ae18bb6c944ba94d0076035af390f7e9b.exe	MediaCenter.exe
PID 1100 wrote to memory of 1248	1100	0cb4f6a76f4f5527116d13493ee70b8ae18bb6c944ba94d0076035af390f7e9b.exe	MediaCenter.exe
PID 1100 wrote to memory of 1248	1100	0cb4f6a76f4f5527116d13493ee70b8ae18bb6c944ba94d0076035af390f7e9b.exe	MediaCenter.exe
PID 1100 wrote to memory of 1536	1100	0cb4f6a76f4f5527116d13493ee70b8ae18bb6c944ba94d0076035af390f7e9b.exe	cmd.exe
PID 1100 wrote to memory of 1536	1100	0cb4f6a76f4f5527116d13493ee70b8ae18bb6c944ba94d0076035af390f7e9b.exe	cmd.exe
PID 1100 wrote to memory of 1536	1100	0cb4f6a76f4f5527116d13493ee70b8ae18bb6c944ba94d0076035af390f7e9b.exe	cmd.exe
PID 1536 wrote to memory of 4016	1536	cmd.exe	PING.EXE
PID 1536 wrote to memory of 4016	1536	cmd.exe	PING.EXE
PID 1536 wrote to memory of 4016	1536	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0cb4f6a76f4f5527116d13493ee70b8ae18bb6c944ba94d0076035af390f7e9b.exe
"C:\Users\Admin\AppData\Local\Temp\0cb4f6a76f4f5527116d13493ee70b8ae18bb6c944ba94d0076035af390f7e9b.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1100

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1248

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0cb4f6a76f4f5527116d13493ee70b8ae18bb6c944ba94d0076035af390f7e9b.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1536

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:4016

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:540

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:3264

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:3924

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
4eb02d284d6a5e6e0b691b10ad4f022f

SHA1
ac76eaa8164b337d16f75e9695c39edb756d1d98

SHA256
f40b61bec2c5048344bba11e69277cc72086720b6d8b8319bcaddeb8ca9689fe

SHA512
7ac0ed5126e0dc222379b15f8b40a37dc9dd1df81058cf5c98d819b018bddbdc1709972a7f0d98ec12b58b62557d2f7643b56602354161d3cf9b847b54829157

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

MD5
4eb02d284d6a5e6e0b691b10ad4f022f

SHA1
ac76eaa8164b337d16f75e9695c39edb756d1d98

SHA256
f40b61bec2c5048344bba11e69277cc72086720b6d8b8319bcaddeb8ca9689fe

SHA512
7ac0ed5126e0dc222379b15f8b40a37dc9dd1df81058cf5c98d819b018bddbdc1709972a7f0d98ec12b58b62557d2f7643b56602354161d3cf9b847b54829157

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads