sakula | 1971c56b1ff468066e445e7f719876fc8a2cb166810639a0df1b137dd65875ed

General

Target

1971c56b1ff468066e445e7f719876fc8a2cb166810639a0df1b137dd65875ed.exe
Size

100KB
MD5

285fda8557a7b785c9f6e7a020bd5087
SHA1

d87ab460171ad178bf1de5694198ed13dd219045
SHA256

1971c56b1ff468066e445e7f719876fc8a2cb166810639a0df1b137dd65875ed
SHA512

9a6d8b3b4d733dc15390f09897f4ad14492a83706aa58b31e33819825630aebe768a9c158880a11180fca49441bdb814779babd7236d25e6242254a5f4a4f840

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

2136 MediaCenter.exe

pid	process
2136	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:

1971c56b1ff468066e445e7f719876fc8a2cb166810639a0df1b137dd65875ed.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1971c56b1ff468066e445e7f719876fc8a2cb166810639a0df1b137dd65875ed.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1971c56b1ff468066e445e7f719876fc8a2cb166810639a0df1b137dd65875ed.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"	1971c56b1ff468066e445e7f719876fc8a2cb166810639a0df1b137dd65875ed.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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\DownloadMonthlyLanBytes = "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\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\BkDownloadRatePct = "45"	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 = "2.857186"	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\DODownloadMode = "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\DownloadMonthlyRateBkCnt = "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\PriorityDownloadPendingCount = "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\PriorityDownloadCount = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4148"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4372"	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\UploadMonthlyInternetBytes = "0"	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\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\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\GroupConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.042194"	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\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 (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\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\CDNConnectionCount = "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\DownlinkBps = "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 = "3992"	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\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\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892841503915427"	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\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3632 PING.EXE

pid	process
3632	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	3640	TiWorker.exe
Token: SeRestorePrivilege	3640	TiWorker.exe
Token: SeBackupPrivilege	3640	TiWorker.exe
Token: SeBackupPrivilege	3640	TiWorker.exe
Token: SeRestorePrivilege	3640	TiWorker.exe
Token: SeSecurityPrivilege	3640	TiWorker.exe
Token: SeBackupPrivilege	3640	TiWorker.exe
Token: SeRestorePrivilege	3640	TiWorker.exe
Token: SeSecurityPrivilege	3640	TiWorker.exe
Token: SeBackupPrivilege	3640	TiWorker.exe
Token: SeRestorePrivilege	3640	TiWorker.exe
Token: SeSecurityPrivilege	3640	TiWorker.exe
Token: SeBackupPrivilege	3640	TiWorker.exe
Token: SeRestorePrivilege	3640	TiWorker.exe
Token: SeSecurityPrivilege	3640	TiWorker.exe
Token: SeBackupPrivilege	3640	TiWorker.exe
Token: SeRestorePrivilege	3640	TiWorker.exe
Token: SeSecurityPrivilege	3640	TiWorker.exe
Token: SeBackupPrivilege	3640	TiWorker.exe
Token: SeRestorePrivilege	3640	TiWorker.exe
Token: SeSecurityPrivilege	3640	TiWorker.exe
Token: SeBackupPrivilege	3640	TiWorker.exe
Token: SeRestorePrivilege	3640	TiWorker.exe
Token: SeSecurityPrivilege	3640	TiWorker.exe
Token: SeBackupPrivilege	3640	TiWorker.exe
Token: SeRestorePrivilege	3640	TiWorker.exe
Token: SeSecurityPrivilege	3640	TiWorker.exe
Token: SeBackupPrivilege	3640	TiWorker.exe
Token: SeRestorePrivilege	3640	TiWorker.exe
Token: SeSecurityPrivilege	3640	TiWorker.exe
Token: SeBackupPrivilege	3640	TiWorker.exe
Token: SeRestorePrivilege	3640	TiWorker.exe
Token: SeSecurityPrivilege	3640	TiWorker.exe
Token: SeBackupPrivilege	3640	TiWorker.exe
Token: SeRestorePrivilege	3640	TiWorker.exe
Token: SeSecurityPrivilege	3640	TiWorker.exe
Token: SeBackupPrivilege	3640	TiWorker.exe
Token: SeRestorePrivilege	3640	TiWorker.exe
Token: SeSecurityPrivilege	3640	TiWorker.exe
Token: SeBackupPrivilege	3640	TiWorker.exe
Token: SeRestorePrivilege	3640	TiWorker.exe
Token: SeSecurityPrivilege	3640	TiWorker.exe
Token: SeBackupPrivilege	3640	TiWorker.exe
Token: SeRestorePrivilege	3640	TiWorker.exe
Token: SeSecurityPrivilege	3640	TiWorker.exe
Token: SeBackupPrivilege	3640	TiWorker.exe
Token: SeRestorePrivilege	3640	TiWorker.exe
Token: SeSecurityPrivilege	3640	TiWorker.exe
Token: SeBackupPrivilege	3640	TiWorker.exe
Token: SeRestorePrivilege	3640	TiWorker.exe
Token: SeSecurityPrivilege	3640	TiWorker.exe
Token: SeBackupPrivilege	3640	TiWorker.exe
Token: SeRestorePrivilege	3640	TiWorker.exe
Token: SeSecurityPrivilege	3640	TiWorker.exe
Token: SeBackupPrivilege	3640	TiWorker.exe
Token: SeRestorePrivilege	3640	TiWorker.exe
Token: SeSecurityPrivilege	3640	TiWorker.exe
Token: SeBackupPrivilege	3640	TiWorker.exe
Token: SeRestorePrivilege	3640	TiWorker.exe
Token: SeSecurityPrivilege	3640	TiWorker.exe
Token: SeBackupPrivilege	3640	TiWorker.exe
Token: SeRestorePrivilege	3640	TiWorker.exe
Token: SeSecurityPrivilege	3640	TiWorker.exe
Token: SeBackupPrivilege	3640	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1971c56b1ff468066e445e7f719876fc8a2cb166810639a0df1b137dd65875ed.execmd.exe

description	pid	process	target process
PID 60 wrote to memory of 2136	60	1971c56b1ff468066e445e7f719876fc8a2cb166810639a0df1b137dd65875ed.exe	MediaCenter.exe
PID 60 wrote to memory of 2136	60	1971c56b1ff468066e445e7f719876fc8a2cb166810639a0df1b137dd65875ed.exe	MediaCenter.exe
PID 60 wrote to memory of 2136	60	1971c56b1ff468066e445e7f719876fc8a2cb166810639a0df1b137dd65875ed.exe	MediaCenter.exe
PID 60 wrote to memory of 2096	60	1971c56b1ff468066e445e7f719876fc8a2cb166810639a0df1b137dd65875ed.exe	cmd.exe
PID 60 wrote to memory of 2096	60	1971c56b1ff468066e445e7f719876fc8a2cb166810639a0df1b137dd65875ed.exe	cmd.exe
PID 60 wrote to memory of 2096	60	1971c56b1ff468066e445e7f719876fc8a2cb166810639a0df1b137dd65875ed.exe	cmd.exe
PID 2096 wrote to memory of 3632	2096	cmd.exe	PING.EXE
PID 2096 wrote to memory of 3632	2096	cmd.exe	PING.EXE
PID 2096 wrote to memory of 3632	2096	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1971c56b1ff468066e445e7f719876fc8a2cb166810639a0df1b137dd65875ed.exe
"C:\Users\Admin\AppData\Local\Temp\1971c56b1ff468066e445e7f719876fc8a2cb166810639a0df1b137dd65875ed.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:60

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2136

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1971c56b1ff468066e445e7f719876fc8a2cb166810639a0df1b137dd65875ed.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2096

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3632

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 0
1⤵
- Checks processor information in registry
PID:2532

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:3688

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:3640

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
c5cda4703b04c1d7da5cf6253f36a2f0

SHA1
99a250fb361b44800262af4f9f1cd0d066998999

SHA256
63bac6f9cdc0571537c22e7443e15e8ef92532ef7cfe8766f931b66b567c873b

SHA512
bf56e52f1b9baad65999376eb8b21db0380ae72a8dc13c562e7a8e29a36badea30130dbfdfdca5b35a55b76ac72d16db1671523d72b7070721697a561c2d9360

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

MD5
c5cda4703b04c1d7da5cf6253f36a2f0

SHA1
99a250fb361b44800262af4f9f1cd0d066998999

SHA256
63bac6f9cdc0571537c22e7443e15e8ef92532ef7cfe8766f931b66b567c873b

SHA512
bf56e52f1b9baad65999376eb8b21db0380ae72a8dc13c562e7a8e29a36badea30130dbfdfdca5b35a55b76ac72d16db1671523d72b7070721697a561c2d9360

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads