sakula | 11d38eb09ef4332746e47989ae26e726b8fd8ac7e741df5aedbf7e27ed678573

General

Target

11d38eb09ef4332746e47989ae26e726b8fd8ac7e741df5aedbf7e27ed678573.exe
Size

192KB
MD5

ba86df40294a8b168ac0db2c36456e21
SHA1

679a0f4bdcfdd5ae2c407defd72acae6e84bfccd
SHA256

11d38eb09ef4332746e47989ae26e726b8fd8ac7e741df5aedbf7e27ed678573
SHA512

905853bb899e0730f3f55b345257fc0958a1beac89d4e28ae08d7ab9a582a9f2a9006f2137b47aaa39a2e567ec59a7f471f5b1474ffc9c6c8eaca46a99ed4a3b

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

2840 MediaCenter.exe

pid	process
2840	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:

11d38eb09ef4332746e47989ae26e726b8fd8ac7e741df5aedbf7e27ed678573.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	11d38eb09ef4332746e47989ae26e726b8fd8ac7e741df5aedbf7e27ed678573.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

11d38eb09ef4332746e47989ae26e726b8fd8ac7e741df5aedbf7e27ed678573.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"	11d38eb09ef4332746e47989ae26e726b8fd8ac7e741df5aedbf7e27ed678573.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

Modifies data under HKEY_USERS 51 IoCs

Processes:

svchost.exe

description	ioc	process
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 (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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.501630"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.189826"	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\Config\DownloadMode_BackCompat = "1"	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\CacheSizeBytes = "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\DownloadMonthlyCacheHostBytes = "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\Config\KVFileExpirationTime = "132892947567739837"	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\UplinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.079109"	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\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\SwarmCount = "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\FrDownloadRatePct = "90"	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\UploadMonthlyInternetBytes = "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\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\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\Usage\MemoryUsageKB = "4124"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.008037"	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\LinkLocalConnectionCount = "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\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4208"	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\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\PeerInfoCount = "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\DownlinkBps = "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\CDNConnectionCount = "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\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3828"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1800 PING.EXE

pid	process
1800	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe11d38eb09ef4332746e47989ae26e726b8fd8ac7e741df5aedbf7e27ed678573.exe

description	pid	process
Token: SeSecurityPrivilege	3404	TiWorker.exe
Token: SeRestorePrivilege	3404	TiWorker.exe
Token: SeBackupPrivilege	3404	TiWorker.exe
Token: SeIncBasePriorityPrivilege	312	11d38eb09ef4332746e47989ae26e726b8fd8ac7e741df5aedbf7e27ed678573.exe
Token: SeBackupPrivilege	3404	TiWorker.exe
Token: SeRestorePrivilege	3404	TiWorker.exe
Token: SeSecurityPrivilege	3404	TiWorker.exe
Token: SeBackupPrivilege	3404	TiWorker.exe
Token: SeRestorePrivilege	3404	TiWorker.exe
Token: SeSecurityPrivilege	3404	TiWorker.exe
Token: SeBackupPrivilege	3404	TiWorker.exe
Token: SeRestorePrivilege	3404	TiWorker.exe
Token: SeSecurityPrivilege	3404	TiWorker.exe
Token: SeBackupPrivilege	3404	TiWorker.exe
Token: SeRestorePrivilege	3404	TiWorker.exe
Token: SeSecurityPrivilege	3404	TiWorker.exe
Token: SeBackupPrivilege	3404	TiWorker.exe
Token: SeRestorePrivilege	3404	TiWorker.exe
Token: SeSecurityPrivilege	3404	TiWorker.exe
Token: SeBackupPrivilege	3404	TiWorker.exe
Token: SeRestorePrivilege	3404	TiWorker.exe
Token: SeSecurityPrivilege	3404	TiWorker.exe
Token: SeBackupPrivilege	3404	TiWorker.exe
Token: SeRestorePrivilege	3404	TiWorker.exe
Token: SeSecurityPrivilege	3404	TiWorker.exe
Token: SeBackupPrivilege	3404	TiWorker.exe
Token: SeRestorePrivilege	3404	TiWorker.exe
Token: SeSecurityPrivilege	3404	TiWorker.exe
Token: SeBackupPrivilege	3404	TiWorker.exe
Token: SeRestorePrivilege	3404	TiWorker.exe
Token: SeSecurityPrivilege	3404	TiWorker.exe
Token: SeBackupPrivilege	3404	TiWorker.exe
Token: SeRestorePrivilege	3404	TiWorker.exe
Token: SeSecurityPrivilege	3404	TiWorker.exe
Token: SeBackupPrivilege	3404	TiWorker.exe
Token: SeRestorePrivilege	3404	TiWorker.exe
Token: SeSecurityPrivilege	3404	TiWorker.exe
Token: SeBackupPrivilege	3404	TiWorker.exe
Token: SeRestorePrivilege	3404	TiWorker.exe
Token: SeSecurityPrivilege	3404	TiWorker.exe
Token: SeBackupPrivilege	3404	TiWorker.exe
Token: SeRestorePrivilege	3404	TiWorker.exe
Token: SeSecurityPrivilege	3404	TiWorker.exe
Token: SeBackupPrivilege	3404	TiWorker.exe
Token: SeRestorePrivilege	3404	TiWorker.exe
Token: SeSecurityPrivilege	3404	TiWorker.exe
Token: SeBackupPrivilege	3404	TiWorker.exe
Token: SeRestorePrivilege	3404	TiWorker.exe
Token: SeSecurityPrivilege	3404	TiWorker.exe
Token: SeBackupPrivilege	3404	TiWorker.exe
Token: SeRestorePrivilege	3404	TiWorker.exe
Token: SeSecurityPrivilege	3404	TiWorker.exe
Token: SeBackupPrivilege	3404	TiWorker.exe
Token: SeRestorePrivilege	3404	TiWorker.exe
Token: SeSecurityPrivilege	3404	TiWorker.exe
Token: SeBackupPrivilege	3404	TiWorker.exe
Token: SeRestorePrivilege	3404	TiWorker.exe
Token: SeSecurityPrivilege	3404	TiWorker.exe
Token: SeBackupPrivilege	3404	TiWorker.exe
Token: SeRestorePrivilege	3404	TiWorker.exe
Token: SeSecurityPrivilege	3404	TiWorker.exe
Token: SeBackupPrivilege	3404	TiWorker.exe
Token: SeRestorePrivilege	3404	TiWorker.exe
Token: SeSecurityPrivilege	3404	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

11d38eb09ef4332746e47989ae26e726b8fd8ac7e741df5aedbf7e27ed678573.execmd.exe

description	pid	process	target process
PID 312 wrote to memory of 2840	312	11d38eb09ef4332746e47989ae26e726b8fd8ac7e741df5aedbf7e27ed678573.exe	MediaCenter.exe
PID 312 wrote to memory of 2840	312	11d38eb09ef4332746e47989ae26e726b8fd8ac7e741df5aedbf7e27ed678573.exe	MediaCenter.exe
PID 312 wrote to memory of 2840	312	11d38eb09ef4332746e47989ae26e726b8fd8ac7e741df5aedbf7e27ed678573.exe	MediaCenter.exe
PID 312 wrote to memory of 3460	312	11d38eb09ef4332746e47989ae26e726b8fd8ac7e741df5aedbf7e27ed678573.exe	cmd.exe
PID 312 wrote to memory of 3460	312	11d38eb09ef4332746e47989ae26e726b8fd8ac7e741df5aedbf7e27ed678573.exe	cmd.exe
PID 312 wrote to memory of 3460	312	11d38eb09ef4332746e47989ae26e726b8fd8ac7e741df5aedbf7e27ed678573.exe	cmd.exe
PID 3460 wrote to memory of 1800	3460	cmd.exe	PING.EXE
PID 3460 wrote to memory of 1800	3460	cmd.exe	PING.EXE
PID 3460 wrote to memory of 1800	3460	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\11d38eb09ef4332746e47989ae26e726b8fd8ac7e741df5aedbf7e27ed678573.exe
"C:\Users\Admin\AppData\Local\Temp\11d38eb09ef4332746e47989ae26e726b8fd8ac7e741df5aedbf7e27ed678573.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:312

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2840

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\11d38eb09ef4332746e47989ae26e726b8fd8ac7e741df5aedbf7e27ed678573.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3460

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1800

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:3936

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:3404

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

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

MD5
fcfa3035edd605edb495bc6225f9153a

SHA1
4e6cfb1ac4756a0d08c704a3f7820df3b32a5d4a

SHA256
247ca40fdd2e7cea992240a2c79d8176afe6b5bf7f835ff844cd2fae55365835

SHA512
9944c015bb9da5f9d658756f7daf28f1f5cda639919e95a8a333386b7c986d678f7e68e29f8d747cb950cfda6e42270a23b89382d4d07588b4de68824e658360

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

MD5
fcfa3035edd605edb495bc6225f9153a

SHA1
4e6cfb1ac4756a0d08c704a3f7820df3b32a5d4a

SHA256
247ca40fdd2e7cea992240a2c79d8176afe6b5bf7f835ff844cd2fae55365835

SHA512
9944c015bb9da5f9d658756f7daf28f1f5cda639919e95a8a333386b7c986d678f7e68e29f8d747cb950cfda6e42270a23b89382d4d07588b4de68824e658360

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads