sakula | 0b81113cddb6608d826c86d1981a4207557d5e357772a6bcba331e705db225b8

General

Target

0b81113cddb6608d826c86d1981a4207557d5e357772a6bcba331e705db225b8.exe
Size

92KB
MD5

ca170c50e568b523505e083701986786
SHA1

1514d16cffc1db88ce1143cc6e4c6d72b0db7bef
SHA256

0b81113cddb6608d826c86d1981a4207557d5e357772a6bcba331e705db225b8
SHA512

b4f5e738ca59a8728e2a37fca1107ef20dbddb750185a0139ba1c428b230c64f8ea7ce3146eac79fd3c16a7479f74698f6441dbc201b4e5b5aa22aaa57376301

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

1340 MediaCenter.exe

pid	process
1340	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:

0b81113cddb6608d826c86d1981a4207557d5e357772a6bcba331e705db225b8.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0b81113cddb6608d826c86d1981a4207557d5e357772a6bcba331e705db225b8.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0b81113cddb6608d826c86d1981a4207557d5e357772a6bcba331e705db225b8.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"	0b81113cddb6608d826c86d1981a4207557d5e357772a6bcba331e705db225b8.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 49 IoCs

Processes:

svchost.exe

description	ioc	process
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\DownloadMonthlyGroupBytes = "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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.167001"	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\DownlinkBps = "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\Config	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\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
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\DODownloadMode = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893037994915667"	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\DownloadMonthlyLanBytes = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4304"	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\MonthID = "2"	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\PriorityDownloadCount = "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\MemoryUsageKB = "4124"	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\DownloadMonthlyCacheHostBytes = "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\UploadRatePct = "100"	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 (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\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\UplinkBps = "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\CacheSizeBytes = "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\DownlinkUsageBps = "0"	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\DownloadMonthlyCdnBytes = "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 (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 = "0.485438"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.143265"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

824 PING.EXE

pid	process
824	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0b81113cddb6608d826c86d1981a4207557d5e357772a6bcba331e705db225b8.execmd.exe

description	pid	process	target process
PID 4060 wrote to memory of 1340	4060	0b81113cddb6608d826c86d1981a4207557d5e357772a6bcba331e705db225b8.exe	MediaCenter.exe
PID 4060 wrote to memory of 1340	4060	0b81113cddb6608d826c86d1981a4207557d5e357772a6bcba331e705db225b8.exe	MediaCenter.exe
PID 4060 wrote to memory of 1340	4060	0b81113cddb6608d826c86d1981a4207557d5e357772a6bcba331e705db225b8.exe	MediaCenter.exe
PID 4060 wrote to memory of 2252	4060	0b81113cddb6608d826c86d1981a4207557d5e357772a6bcba331e705db225b8.exe	cmd.exe
PID 4060 wrote to memory of 2252	4060	0b81113cddb6608d826c86d1981a4207557d5e357772a6bcba331e705db225b8.exe	cmd.exe
PID 4060 wrote to memory of 2252	4060	0b81113cddb6608d826c86d1981a4207557d5e357772a6bcba331e705db225b8.exe	cmd.exe
PID 2252 wrote to memory of 824	2252	cmd.exe	PING.EXE
PID 2252 wrote to memory of 824	2252	cmd.exe	PING.EXE
PID 2252 wrote to memory of 824	2252	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0b81113cddb6608d826c86d1981a4207557d5e357772a6bcba331e705db225b8.exe
"C:\Users\Admin\AppData\Local\Temp\0b81113cddb6608d826c86d1981a4207557d5e357772a6bcba331e705db225b8.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4060

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1340

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0b81113cddb6608d826c86d1981a4207557d5e357772a6bcba331e705db225b8.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2252

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:824

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3652

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:1212

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:3264

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
ad593d7b97bc8013e5853c896a7a778c

SHA1
004e5fbbb42923f99e9d0c4b44a0c392f48d965f

SHA256
9f11ac0e02546f9ab1acdac1094463dd2b30a8b95f82b39fd092af37375cefc6

SHA512
f931c846cf6d9c4ca757dd0ca05d407e871896c069d33f0886547c7aa13b8416821d414f248d5520361ff918db1f764b822655d1b513dc5d7a93d8f63452fa40

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

MD5
ad593d7b97bc8013e5853c896a7a778c

SHA1
004e5fbbb42923f99e9d0c4b44a0c392f48d965f

SHA256
9f11ac0e02546f9ab1acdac1094463dd2b30a8b95f82b39fd092af37375cefc6

SHA512
f931c846cf6d9c4ca757dd0ca05d407e871896c069d33f0886547c7aa13b8416821d414f248d5520361ff918db1f764b822655d1b513dc5d7a93d8f63452fa40

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads