sakula | 12d72294ce01a2dfb7e3dc1b21f9af758875e77eaa31a51eb4a8b3aa3031b99c

General

Target

12d72294ce01a2dfb7e3dc1b21f9af758875e77eaa31a51eb4a8b3aa3031b99c.exe
Size

92KB
MD5

bbf7577237548481f10b45c511b57f31
SHA1

bf80d817be0fa3ee8dca7d2151f832028e986710
SHA256

12d72294ce01a2dfb7e3dc1b21f9af758875e77eaa31a51eb4a8b3aa3031b99c
SHA512

588558479baae08935660bdd42a64cfeb2ac0229c78560d5b0e6fd2a7858e3cbc848bc4fe896188fb691f127037edd245c17e5bd1176edca60a6e1525afd31e0

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

1112 MediaCenter.exe

pid	process
1112	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:

12d72294ce01a2dfb7e3dc1b21f9af758875e77eaa31a51eb4a8b3aa3031b99c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	12d72294ce01a2dfb7e3dc1b21f9af758875e77eaa31a51eb4a8b3aa3031b99c.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

12d72294ce01a2dfb7e3dc1b21f9af758875e77eaa31a51eb4a8b3aa3031b99c.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"	12d72294ce01a2dfb7e3dc1b21f9af758875e77eaa31a51eb4a8b3aa3031b99c.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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\UploadMonthlyInternetBytes = "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\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\DownlinkUsageBps = "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\UplinkUsageBps = "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\DownloadMonthlyLinkLocalBytes = "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\InternetConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.884568"	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\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892935248383428"	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 = "4244"	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\UploadRatePct = "100"	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\DownloadMonthlyRateFrBps = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4080"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.067522"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.245096"	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
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\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\DownloadMonthlyCdnBytes = "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\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\Usage\PeerInfoCount = "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\BkDownloadRatePct = "45"	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\SwarmCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4260"	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\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
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\DownloadMonthlyInternetBytes = "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\GroupConnectionCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3468 PING.EXE

pid	process
3468	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe12d72294ce01a2dfb7e3dc1b21f9af758875e77eaa31a51eb4a8b3aa3031b99c.exe

description	pid	process
Token: SeSecurityPrivilege	1948	TiWorker.exe
Token: SeRestorePrivilege	1948	TiWorker.exe
Token: SeBackupPrivilege	1948	TiWorker.exe
Token: SeIncBasePriorityPrivilege	3740	12d72294ce01a2dfb7e3dc1b21f9af758875e77eaa31a51eb4a8b3aa3031b99c.exe
Token: SeBackupPrivilege	1948	TiWorker.exe
Token: SeRestorePrivilege	1948	TiWorker.exe
Token: SeSecurityPrivilege	1948	TiWorker.exe
Token: SeBackupPrivilege	1948	TiWorker.exe
Token: SeRestorePrivilege	1948	TiWorker.exe
Token: SeSecurityPrivilege	1948	TiWorker.exe
Token: SeBackupPrivilege	1948	TiWorker.exe
Token: SeRestorePrivilege	1948	TiWorker.exe
Token: SeSecurityPrivilege	1948	TiWorker.exe
Token: SeBackupPrivilege	1948	TiWorker.exe
Token: SeRestorePrivilege	1948	TiWorker.exe
Token: SeSecurityPrivilege	1948	TiWorker.exe
Token: SeBackupPrivilege	1948	TiWorker.exe
Token: SeRestorePrivilege	1948	TiWorker.exe
Token: SeSecurityPrivilege	1948	TiWorker.exe
Token: SeBackupPrivilege	1948	TiWorker.exe
Token: SeRestorePrivilege	1948	TiWorker.exe
Token: SeSecurityPrivilege	1948	TiWorker.exe
Token: SeBackupPrivilege	1948	TiWorker.exe
Token: SeRestorePrivilege	1948	TiWorker.exe
Token: SeSecurityPrivilege	1948	TiWorker.exe
Token: SeBackupPrivilege	1948	TiWorker.exe
Token: SeRestorePrivilege	1948	TiWorker.exe
Token: SeSecurityPrivilege	1948	TiWorker.exe
Token: SeBackupPrivilege	1948	TiWorker.exe
Token: SeRestorePrivilege	1948	TiWorker.exe
Token: SeSecurityPrivilege	1948	TiWorker.exe
Token: SeBackupPrivilege	1948	TiWorker.exe
Token: SeRestorePrivilege	1948	TiWorker.exe
Token: SeSecurityPrivilege	1948	TiWorker.exe
Token: SeBackupPrivilege	1948	TiWorker.exe
Token: SeRestorePrivilege	1948	TiWorker.exe
Token: SeSecurityPrivilege	1948	TiWorker.exe
Token: SeBackupPrivilege	1948	TiWorker.exe
Token: SeRestorePrivilege	1948	TiWorker.exe
Token: SeSecurityPrivilege	1948	TiWorker.exe
Token: SeBackupPrivilege	1948	TiWorker.exe
Token: SeRestorePrivilege	1948	TiWorker.exe
Token: SeSecurityPrivilege	1948	TiWorker.exe
Token: SeBackupPrivilege	1948	TiWorker.exe
Token: SeRestorePrivilege	1948	TiWorker.exe
Token: SeSecurityPrivilege	1948	TiWorker.exe
Token: SeBackupPrivilege	1948	TiWorker.exe
Token: SeRestorePrivilege	1948	TiWorker.exe
Token: SeSecurityPrivilege	1948	TiWorker.exe
Token: SeBackupPrivilege	1948	TiWorker.exe
Token: SeRestorePrivilege	1948	TiWorker.exe
Token: SeSecurityPrivilege	1948	TiWorker.exe
Token: SeBackupPrivilege	1948	TiWorker.exe
Token: SeRestorePrivilege	1948	TiWorker.exe
Token: SeSecurityPrivilege	1948	TiWorker.exe
Token: SeBackupPrivilege	1948	TiWorker.exe
Token: SeRestorePrivilege	1948	TiWorker.exe
Token: SeSecurityPrivilege	1948	TiWorker.exe
Token: SeBackupPrivilege	1948	TiWorker.exe
Token: SeRestorePrivilege	1948	TiWorker.exe
Token: SeSecurityPrivilege	1948	TiWorker.exe
Token: SeBackupPrivilege	1948	TiWorker.exe
Token: SeRestorePrivilege	1948	TiWorker.exe
Token: SeSecurityPrivilege	1948	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

12d72294ce01a2dfb7e3dc1b21f9af758875e77eaa31a51eb4a8b3aa3031b99c.execmd.exe

description	pid	process	target process
PID 3740 wrote to memory of 1112	3740	12d72294ce01a2dfb7e3dc1b21f9af758875e77eaa31a51eb4a8b3aa3031b99c.exe	MediaCenter.exe
PID 3740 wrote to memory of 1112	3740	12d72294ce01a2dfb7e3dc1b21f9af758875e77eaa31a51eb4a8b3aa3031b99c.exe	MediaCenter.exe
PID 3740 wrote to memory of 1112	3740	12d72294ce01a2dfb7e3dc1b21f9af758875e77eaa31a51eb4a8b3aa3031b99c.exe	MediaCenter.exe
PID 3740 wrote to memory of 3012	3740	12d72294ce01a2dfb7e3dc1b21f9af758875e77eaa31a51eb4a8b3aa3031b99c.exe	cmd.exe
PID 3740 wrote to memory of 3012	3740	12d72294ce01a2dfb7e3dc1b21f9af758875e77eaa31a51eb4a8b3aa3031b99c.exe	cmd.exe
PID 3740 wrote to memory of 3012	3740	12d72294ce01a2dfb7e3dc1b21f9af758875e77eaa31a51eb4a8b3aa3031b99c.exe	cmd.exe
PID 3012 wrote to memory of 3468	3012	cmd.exe	PING.EXE
PID 3012 wrote to memory of 3468	3012	cmd.exe	PING.EXE
PID 3012 wrote to memory of 3468	3012	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\12d72294ce01a2dfb7e3dc1b21f9af758875e77eaa31a51eb4a8b3aa3031b99c.exe
"C:\Users\Admin\AppData\Local\Temp\12d72294ce01a2dfb7e3dc1b21f9af758875e77eaa31a51eb4a8b3aa3031b99c.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3740

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1112

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\12d72294ce01a2dfb7e3dc1b21f9af758875e77eaa31a51eb4a8b3aa3031b99c.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3012

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3468

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2768

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:940

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:1948

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
035ea560126eb543832a9e0bfdcc2952

SHA1
6bbba66effc2afe30ede73c1b42824a269447869

SHA256
186443fcda300b4f16bcc1dc3d2accf3cddbf7b19e0c5144cb7cb2f849d4df79

SHA512
50f57b634fbd39167723a416375cc36711d3939b89be2e29aa59015d508d5f341cd434f340759c474463ae36d87afe58fed0aa90c7f13f058e3076de7bb5a2b6

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

MD5
035ea560126eb543832a9e0bfdcc2952

SHA1
6bbba66effc2afe30ede73c1b42824a269447869

SHA256
186443fcda300b4f16bcc1dc3d2accf3cddbf7b19e0c5144cb7cb2f849d4df79

SHA512
50f57b634fbd39167723a416375cc36711d3939b89be2e29aa59015d508d5f341cd434f340759c474463ae36d87afe58fed0aa90c7f13f058e3076de7bb5a2b6

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads