sakula | 183198dabd968382b6fd6ccb7df6351f7b01028b76322689b953b2672673202b

General

Target

183198dabd968382b6fd6ccb7df6351f7b01028b76322689b953b2672673202b.exe
Size

192KB
MD5

736f0989390325aa74a9480156b8f839
SHA1

b92d7a0d77982926ad5602fec131cdb1bcf3456c
SHA256

183198dabd968382b6fd6ccb7df6351f7b01028b76322689b953b2672673202b
SHA512

463551ddaff59eeeb232cd0d21952e72baee5de6350d1271db9bea2370ad60d8e23db7a1ff018eaa232a2b342bec02300139072b235e605a988d09a1ef708249

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

3392 MediaCenter.exe

pid	process
3392	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:

183198dabd968382b6fd6ccb7df6351f7b01028b76322689b953b2672673202b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	183198dabd968382b6fd6ccb7df6351f7b01028b76322689b953b2672673202b.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

183198dabd968382b6fd6ccb7df6351f7b01028b76322689b953b2672673202b.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"	183198dabd968382b6fd6ccb7df6351f7b01028b76322689b953b2672673202b.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 51 IoCs

Processes:

svchost.exe

description	ioc	process
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\MonthlyUploadRestriction = "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\Config\DODownloadMode = "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 (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\GroupConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.060729"	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
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\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\DownloadMonthlyLinkLocalBytes = "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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.185875"	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\DownloadMonthlyLanBytes = "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\UplinkUsageBps = "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\MemoryUsageKB = "4292"	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\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\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\MemoryUsageKB = "4056"	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\CDNConnectionCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	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\DownloadMonthlyInternetBytes = "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\Config\KVFileExpirationTime = "132892858202904446"	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\UploadRatePct = "100"	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 = "3932"	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\SwarmCount = "1"	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\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.000071"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2680 PING.EXE

pid	process
2680	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

183198dabd968382b6fd6ccb7df6351f7b01028b76322689b953b2672673202b.execmd.exe

description	pid	process	target process
PID 2136 wrote to memory of 3392	2136	183198dabd968382b6fd6ccb7df6351f7b01028b76322689b953b2672673202b.exe	MediaCenter.exe
PID 2136 wrote to memory of 3392	2136	183198dabd968382b6fd6ccb7df6351f7b01028b76322689b953b2672673202b.exe	MediaCenter.exe
PID 2136 wrote to memory of 3392	2136	183198dabd968382b6fd6ccb7df6351f7b01028b76322689b953b2672673202b.exe	MediaCenter.exe
PID 2136 wrote to memory of 3884	2136	183198dabd968382b6fd6ccb7df6351f7b01028b76322689b953b2672673202b.exe	cmd.exe
PID 2136 wrote to memory of 3884	2136	183198dabd968382b6fd6ccb7df6351f7b01028b76322689b953b2672673202b.exe	cmd.exe
PID 2136 wrote to memory of 3884	2136	183198dabd968382b6fd6ccb7df6351f7b01028b76322689b953b2672673202b.exe	cmd.exe
PID 3884 wrote to memory of 2680	3884	cmd.exe	PING.EXE
PID 3884 wrote to memory of 2680	3884	cmd.exe	PING.EXE
PID 3884 wrote to memory of 2680	3884	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\183198dabd968382b6fd6ccb7df6351f7b01028b76322689b953b2672673202b.exe
"C:\Users\Admin\AppData\Local\Temp\183198dabd968382b6fd6ccb7df6351f7b01028b76322689b953b2672673202b.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2136

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3392

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\183198dabd968382b6fd6ccb7df6351f7b01028b76322689b953b2672673202b.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3884

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2680

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1476

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:3192

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:2980

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
bcc710f81c584a806fef342e984d58f4

SHA1
0b9a4a96abf33db5ae815dea5773f4beaafafa39

SHA256
68524f5da4b07763f7ef528a0cfb160233335926f9044d218906d48196ebbdbc

SHA512
ecd261453acea2f43d1f9aa169307c3bb99116e3cf043d5f8a055d2bb9092e247adde9b2fc255b7fb85bca6c7dd3b6530a0d2d51f386b03dece7de7bac085db2

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

MD5
bcc710f81c584a806fef342e984d58f4

SHA1
0b9a4a96abf33db5ae815dea5773f4beaafafa39

SHA256
68524f5da4b07763f7ef528a0cfb160233335926f9044d218906d48196ebbdbc

SHA512
ecd261453acea2f43d1f9aa169307c3bb99116e3cf043d5f8a055d2bb9092e247adde9b2fc255b7fb85bca6c7dd3b6530a0d2d51f386b03dece7de7bac085db2

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads