sakula | 0615a003dde769f696308561026311a46ab43313ec12710397537fb301acf374

General

Target

0615a003dde769f696308561026311a46ab43313ec12710397537fb301acf374.exe
Size

79KB
MD5

36f2ee7ffffdf2aaa3a3097454440918
SHA1

59506547dea7f0ebdb169d754f8ce6fffe1d2112
SHA256

0615a003dde769f696308561026311a46ab43313ec12710397537fb301acf374
SHA512

5dd40f1722a0ebd641855f89595128a0bdb3547fc9a7ac4a23969af7c4881c098ca46e159d2242b43894e5343176635fd8ead18c0b28eb536f33a7bd123b9526

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

3832 MediaCenter.exe

pid	process
3832	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:

0615a003dde769f696308561026311a46ab43313ec12710397537fb301acf374.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0615a003dde769f696308561026311a46ab43313ec12710397537fb301acf374.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0615a003dde769f696308561026311a46ab43313ec12710397537fb301acf374.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"	0615a003dde769f696308561026311a46ab43313ec12710397537fb301acf374.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 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

MusNotifyIcon.exeMusNotifyIcon.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
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
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\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 (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\DownlinkBps = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	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\UploadMonthlyLanBytes = "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\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\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893140951022188"	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\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4080"	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	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\BkDownloadRatePct = "45"	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 = "3.125050"	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\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 (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 (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\UplinkBps = "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\CacheSizeBytes = "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\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\DownloadMonthlyInternetBytes = "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\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\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\DownloadMonthlyLanBytes = "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\Usage\CPUpct = "2.592579"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4296"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2276 PING.EXE

pid	process
2276	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0615a003dde769f696308561026311a46ab43313ec12710397537fb301acf374.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3892	0615a003dde769f696308561026311a46ab43313ec12710397537fb301acf374.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe
Token: SeBackupPrivilege	2792	TiWorker.exe
Token: SeRestorePrivilege	2792	TiWorker.exe
Token: SeSecurityPrivilege	2792	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0615a003dde769f696308561026311a46ab43313ec12710397537fb301acf374.execmd.exe

description	pid	process	target process
PID 3892 wrote to memory of 3832	3892	0615a003dde769f696308561026311a46ab43313ec12710397537fb301acf374.exe	MediaCenter.exe
PID 3892 wrote to memory of 3832	3892	0615a003dde769f696308561026311a46ab43313ec12710397537fb301acf374.exe	MediaCenter.exe
PID 3892 wrote to memory of 3832	3892	0615a003dde769f696308561026311a46ab43313ec12710397537fb301acf374.exe	MediaCenter.exe
PID 3892 wrote to memory of 4044	3892	0615a003dde769f696308561026311a46ab43313ec12710397537fb301acf374.exe	cmd.exe
PID 3892 wrote to memory of 4044	3892	0615a003dde769f696308561026311a46ab43313ec12710397537fb301acf374.exe	cmd.exe
PID 3892 wrote to memory of 4044	3892	0615a003dde769f696308561026311a46ab43313ec12710397537fb301acf374.exe	cmd.exe
PID 4044 wrote to memory of 2276	4044	cmd.exe	PING.EXE
PID 4044 wrote to memory of 2276	4044	cmd.exe	PING.EXE
PID 4044 wrote to memory of 2276	4044	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0615a003dde769f696308561026311a46ab43313ec12710397537fb301acf374.exe
"C:\Users\Admin\AppData\Local\Temp\0615a003dde769f696308561026311a46ab43313ec12710397537fb301acf374.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3892

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3832

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0615a003dde769f696308561026311a46ab43313ec12710397537fb301acf374.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4044

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2276

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3008

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1596

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:2360

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:2792

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
a838d5cf3afb7d0c8490b62ab6179639

SHA1
a2b4e2ec0abd00a2790609cf1551323d26bc3aa7

SHA256
9dc60c910f4cf1139ee37d150338de1d7efdd6f9b0c40ca432ca9007973362f6

SHA512
358d524d71577d82f36a6db7668792844355c0831bd3c2ab47ae6e263b73d7d09ef49e9b2db6d395a5502dd3cb07fda45930c272c99f7002d2b148aeb4449fb2

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
a838d5cf3afb7d0c8490b62ab6179639

SHA1
a2b4e2ec0abd00a2790609cf1551323d26bc3aa7

SHA256
9dc60c910f4cf1139ee37d150338de1d7efdd6f9b0c40ca432ca9007973362f6

SHA512
358d524d71577d82f36a6db7668792844355c0831bd3c2ab47ae6e263b73d7d09ef49e9b2db6d395a5502dd3cb07fda45930c272c99f7002d2b148aeb4449fb2

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads