sakula | 16d968cdcb1bf3535e801117bdea0e94f0374a7ca4950a41ad39e456dff655d5

General

Target

16d968cdcb1bf3535e801117bdea0e94f0374a7ca4950a41ad39e456dff655d5.exe
Size

58KB
MD5

1858ba36739ee920e040a60c20c6fef7
SHA1

3a3a31667a105070f480b4d28ae172e69780e350
SHA256

16d968cdcb1bf3535e801117bdea0e94f0374a7ca4950a41ad39e456dff655d5
SHA512

2605eff1a360b74688bdb4f64263ddcbfada7b372cc35518920701ef9b9a311ef58706c62e643b4a3dd52fc7c89f53b9369beb5968cfba8f5a11407f2a9d4a4c

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

1156 MediaCenter.exe

pid	process
1156	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:

16d968cdcb1bf3535e801117bdea0e94f0374a7ca4950a41ad39e456dff655d5.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	16d968cdcb1bf3535e801117bdea0e94f0374a7ca4950a41ad39e456dff655d5.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

16d968cdcb1bf3535e801117bdea0e94f0374a7ca4950a41ad39e456dff655d5.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"	16d968cdcb1bf3535e801117bdea0e94f0374a7ca4950a41ad39e456dff655d5.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
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
File opened for modification	C:\Windows\Logs\CBS\CBS.log	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 49 IoCs

Processes:

svchost.exe

description	ioc	process
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 = "0.288807"	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\MonthID = "2"	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
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4188"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.041736"	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\DownloadMonthlyCdnBytes = "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\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.847530"	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\UplinkUsageBps = "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\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\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "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\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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4100"	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\LANConnectionCount = "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\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 (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\GroupConnectionCount = "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\DownloadMonthlyLanBytes = "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\InternetConnectionCount = "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\Config\DODownloadMode = "1"	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\Config\KVFileExpirationTime = "132892877023892802"	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\UplinkBps = "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\SwarmCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1560 PING.EXE

pid	process
1560	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

16d968cdcb1bf3535e801117bdea0e94f0374a7ca4950a41ad39e456dff655d5.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3960	16d968cdcb1bf3535e801117bdea0e94f0374a7ca4950a41ad39e456dff655d5.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

16d968cdcb1bf3535e801117bdea0e94f0374a7ca4950a41ad39e456dff655d5.execmd.exe

description	pid	process	target process
PID 3960 wrote to memory of 1156	3960	16d968cdcb1bf3535e801117bdea0e94f0374a7ca4950a41ad39e456dff655d5.exe	MediaCenter.exe
PID 3960 wrote to memory of 1156	3960	16d968cdcb1bf3535e801117bdea0e94f0374a7ca4950a41ad39e456dff655d5.exe	MediaCenter.exe
PID 3960 wrote to memory of 1156	3960	16d968cdcb1bf3535e801117bdea0e94f0374a7ca4950a41ad39e456dff655d5.exe	MediaCenter.exe
PID 3960 wrote to memory of 3232	3960	16d968cdcb1bf3535e801117bdea0e94f0374a7ca4950a41ad39e456dff655d5.exe	cmd.exe
PID 3960 wrote to memory of 3232	3960	16d968cdcb1bf3535e801117bdea0e94f0374a7ca4950a41ad39e456dff655d5.exe	cmd.exe
PID 3960 wrote to memory of 3232	3960	16d968cdcb1bf3535e801117bdea0e94f0374a7ca4950a41ad39e456dff655d5.exe	cmd.exe
PID 3232 wrote to memory of 1560	3232	cmd.exe	PING.EXE
PID 3232 wrote to memory of 1560	3232	cmd.exe	PING.EXE
PID 3232 wrote to memory of 1560	3232	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\16d968cdcb1bf3535e801117bdea0e94f0374a7ca4950a41ad39e456dff655d5.exe
"C:\Users\Admin\AppData\Local\Temp\16d968cdcb1bf3535e801117bdea0e94f0374a7ca4950a41ad39e456dff655d5.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3960

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1156

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\16d968cdcb1bf3535e801117bdea0e94f0374a7ca4950a41ad39e456dff655d5.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3232

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1560

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3332

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:2564

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:3020

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
7ad45c49174eaa3e3dbce048fcc32b75

SHA1
2b50371045399eca40497f091a87594f666f2b21

SHA256
a5fc214e694e8dead73a0af74266f8fa2b56cd4f89e9738a863a66f5c19e271d

SHA512
8c212203fb866f72392126841e4b438441c8fd527cf4aae3d5e30340ad8daa7e7ad4320ac2522b3910a379934de9ba34da51f89ca842f4de3148a34df47f8aa5

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

MD5
7ad45c49174eaa3e3dbce048fcc32b75

SHA1
2b50371045399eca40497f091a87594f666f2b21

SHA256
a5fc214e694e8dead73a0af74266f8fa2b56cd4f89e9738a863a66f5c19e271d

SHA512
8c212203fb866f72392126841e4b438441c8fd527cf4aae3d5e30340ad8daa7e7ad4320ac2522b3910a379934de9ba34da51f89ca842f4de3148a34df47f8aa5

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads