sakula | 11ef8a2f83edc44c757d7b2bb6b75edeaf172931c927cd9a644100eac71532f8

General

Target

11ef8a2f83edc44c757d7b2bb6b75edeaf172931c927cd9a644100eac71532f8.exe
Size

58KB
MD5

9db1a91fc84b4dcd1546cf244b4069c4
SHA1

387d624d5feb0c056743af79f33a3fadd284410b
SHA256

11ef8a2f83edc44c757d7b2bb6b75edeaf172931c927cd9a644100eac71532f8
SHA512

62743259d2ef7edc8f5544ccd1527039c2245fa62396eca5d93fd73d30f641235f9f78293af25a3d01a2e592536b2ccb5fea3e46a3cc4eec2ba241e44a3e5d94

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

2200 MediaCenter.exe

pid	process
2200	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:

11ef8a2f83edc44c757d7b2bb6b75edeaf172931c927cd9a644100eac71532f8.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	11ef8a2f83edc44c757d7b2bb6b75edeaf172931c927cd9a644100eac71532f8.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

11ef8a2f83edc44c757d7b2bb6b75edeaf172931c927cd9a644100eac71532f8.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"	11ef8a2f83edc44c757d7b2bb6b75edeaf172931c927cd9a644100eac71532f8.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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\BkDownloadRatePct = "45"	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\MemoryUsageKB = "4072"	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\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.081466"	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\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.601146"	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\CDNConnectionCount = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	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\MemoryUsageKB = "4224"	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\DownlinkUsageBps = "0"	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\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.009885"	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\LANConnectionCount = "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\DownloadMonthlyCdnBytes = "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\DownloadMonthlyRateFrBps = "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\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1"	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\DownloadMonthlyLanBytes = "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\NormalDownloadCount = "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\UploadRatePct = "100"	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\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\UplinkUsageBps = "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 = "132892946246261343"	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\MemoryUsageKB = "4328"	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\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3776 PING.EXE

pid	process
3776	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe11ef8a2f83edc44c757d7b2bb6b75edeaf172931c927cd9a644100eac71532f8.exe

description	pid	process
Token: SeSecurityPrivilege	576	TiWorker.exe
Token: SeRestorePrivilege	576	TiWorker.exe
Token: SeBackupPrivilege	576	TiWorker.exe
Token: SeIncBasePriorityPrivilege	3748	11ef8a2f83edc44c757d7b2bb6b75edeaf172931c927cd9a644100eac71532f8.exe
Token: SeBackupPrivilege	576	TiWorker.exe
Token: SeRestorePrivilege	576	TiWorker.exe
Token: SeSecurityPrivilege	576	TiWorker.exe
Token: SeBackupPrivilege	576	TiWorker.exe
Token: SeRestorePrivilege	576	TiWorker.exe
Token: SeSecurityPrivilege	576	TiWorker.exe
Token: SeBackupPrivilege	576	TiWorker.exe
Token: SeRestorePrivilege	576	TiWorker.exe
Token: SeSecurityPrivilege	576	TiWorker.exe
Token: SeBackupPrivilege	576	TiWorker.exe
Token: SeRestorePrivilege	576	TiWorker.exe
Token: SeSecurityPrivilege	576	TiWorker.exe
Token: SeBackupPrivilege	576	TiWorker.exe
Token: SeRestorePrivilege	576	TiWorker.exe
Token: SeSecurityPrivilege	576	TiWorker.exe
Token: SeBackupPrivilege	576	TiWorker.exe
Token: SeRestorePrivilege	576	TiWorker.exe
Token: SeSecurityPrivilege	576	TiWorker.exe
Token: SeBackupPrivilege	576	TiWorker.exe
Token: SeRestorePrivilege	576	TiWorker.exe
Token: SeSecurityPrivilege	576	TiWorker.exe
Token: SeBackupPrivilege	576	TiWorker.exe
Token: SeRestorePrivilege	576	TiWorker.exe
Token: SeSecurityPrivilege	576	TiWorker.exe
Token: SeBackupPrivilege	576	TiWorker.exe
Token: SeRestorePrivilege	576	TiWorker.exe
Token: SeSecurityPrivilege	576	TiWorker.exe
Token: SeBackupPrivilege	576	TiWorker.exe
Token: SeRestorePrivilege	576	TiWorker.exe
Token: SeSecurityPrivilege	576	TiWorker.exe
Token: SeBackupPrivilege	576	TiWorker.exe
Token: SeRestorePrivilege	576	TiWorker.exe
Token: SeSecurityPrivilege	576	TiWorker.exe
Token: SeBackupPrivilege	576	TiWorker.exe
Token: SeRestorePrivilege	576	TiWorker.exe
Token: SeSecurityPrivilege	576	TiWorker.exe
Token: SeBackupPrivilege	576	TiWorker.exe
Token: SeRestorePrivilege	576	TiWorker.exe
Token: SeSecurityPrivilege	576	TiWorker.exe
Token: SeBackupPrivilege	576	TiWorker.exe
Token: SeRestorePrivilege	576	TiWorker.exe
Token: SeSecurityPrivilege	576	TiWorker.exe
Token: SeBackupPrivilege	576	TiWorker.exe
Token: SeRestorePrivilege	576	TiWorker.exe
Token: SeSecurityPrivilege	576	TiWorker.exe
Token: SeBackupPrivilege	576	TiWorker.exe
Token: SeRestorePrivilege	576	TiWorker.exe
Token: SeSecurityPrivilege	576	TiWorker.exe
Token: SeBackupPrivilege	576	TiWorker.exe
Token: SeRestorePrivilege	576	TiWorker.exe
Token: SeSecurityPrivilege	576	TiWorker.exe
Token: SeBackupPrivilege	576	TiWorker.exe
Token: SeRestorePrivilege	576	TiWorker.exe
Token: SeSecurityPrivilege	576	TiWorker.exe
Token: SeBackupPrivilege	576	TiWorker.exe
Token: SeRestorePrivilege	576	TiWorker.exe
Token: SeSecurityPrivilege	576	TiWorker.exe
Token: SeBackupPrivilege	576	TiWorker.exe
Token: SeRestorePrivilege	576	TiWorker.exe
Token: SeSecurityPrivilege	576	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

11ef8a2f83edc44c757d7b2bb6b75edeaf172931c927cd9a644100eac71532f8.execmd.exe

description	pid	process	target process
PID 3748 wrote to memory of 2200	3748	11ef8a2f83edc44c757d7b2bb6b75edeaf172931c927cd9a644100eac71532f8.exe	MediaCenter.exe
PID 3748 wrote to memory of 2200	3748	11ef8a2f83edc44c757d7b2bb6b75edeaf172931c927cd9a644100eac71532f8.exe	MediaCenter.exe
PID 3748 wrote to memory of 2200	3748	11ef8a2f83edc44c757d7b2bb6b75edeaf172931c927cd9a644100eac71532f8.exe	MediaCenter.exe
PID 3748 wrote to memory of 3948	3748	11ef8a2f83edc44c757d7b2bb6b75edeaf172931c927cd9a644100eac71532f8.exe	cmd.exe
PID 3748 wrote to memory of 3948	3748	11ef8a2f83edc44c757d7b2bb6b75edeaf172931c927cd9a644100eac71532f8.exe	cmd.exe
PID 3748 wrote to memory of 3948	3748	11ef8a2f83edc44c757d7b2bb6b75edeaf172931c927cd9a644100eac71532f8.exe	cmd.exe
PID 3948 wrote to memory of 3776	3948	cmd.exe	PING.EXE
PID 3948 wrote to memory of 3776	3948	cmd.exe	PING.EXE
PID 3948 wrote to memory of 3776	3948	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\11ef8a2f83edc44c757d7b2bb6b75edeaf172931c927cd9a644100eac71532f8.exe
"C:\Users\Admin\AppData\Local\Temp\11ef8a2f83edc44c757d7b2bb6b75edeaf172931c927cd9a644100eac71532f8.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3748

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2200

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\11ef8a2f83edc44c757d7b2bb6b75edeaf172931c927cd9a644100eac71532f8.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3948

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3776

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3104

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:2984

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:576

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
5361b408db59ebca003f8d5a51dc45bf

SHA1
ed213db207c5c79933f675ca06305f235fc38cda

SHA256
aa328cd50be4302ca5317d49856cd72655bd810b9f6deaf1f617dd69db934fe3

SHA512
453ade56eba3dde4456c382d4c25911647d9a5b0130e25b2e47df17b72ddd818ad0d2aef75327eb44ef2347034c666352d4fa2e78d46316c167821189ab838e9

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

MD5
5361b408db59ebca003f8d5a51dc45bf

SHA1
ed213db207c5c79933f675ca06305f235fc38cda

SHA256
aa328cd50be4302ca5317d49856cd72655bd810b9f6deaf1f617dd69db934fe3

SHA512
453ade56eba3dde4456c382d4c25911647d9a5b0130e25b2e47df17b72ddd818ad0d2aef75327eb44ef2347034c666352d4fa2e78d46316c167821189ab838e9

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads