sakula | 1569a4fb85209b44cc1e1983010281239e82baadeddef73b754266e5b19bf46a

General

Target

1569a4fb85209b44cc1e1983010281239e82baadeddef73b754266e5b19bf46a.exe
Size

191KB
MD5

1093dcfcfd1027ae85a2a5b7db5192b3
SHA1

08467c19fc2bd45d7693e7579c36300876d9c720
SHA256

1569a4fb85209b44cc1e1983010281239e82baadeddef73b754266e5b19bf46a
SHA512

1f08c985e1a6c9837f6f560c17c77cb0fa390418c23cc4f273e7ff8164f8af8f65521177a444c39f4de45c5a5f1ebbf8addd57da4b2e1bea8b831d7bdedd3980

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

3008 MediaCenter.exe

pid	process
3008	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:

1569a4fb85209b44cc1e1983010281239e82baadeddef73b754266e5b19bf46a.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1569a4fb85209b44cc1e1983010281239e82baadeddef73b754266e5b19bf46a.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1569a4fb85209b44cc1e1983010281239e82baadeddef73b754266e5b19bf46a.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"	1569a4fb85209b44cc1e1983010281239e82baadeddef73b754266e5b19bf46a.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 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\UploadMonthlyLanBytes = "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\Config\DODownloadMode = "1"	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
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\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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4096"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.036032"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892898793192705"	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\DownloadMonthlyInternetBytes = "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\GroupConnectionCount = "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\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\MonthID = "2"	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\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\UploadCount = "0"	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\NormalDownloadPendingCount = "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\PriorityDownloadCount = "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\DownloadMonthlyRateBkCnt = "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\DownlinkBps = "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\UplinkUsageBps = "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\DownloadMonthlyCdnBytes = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4204"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	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\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "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\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 (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 = "3.157923"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

640 PING.EXE

pid	process
640	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

1569a4fb85209b44cc1e1983010281239e82baadeddef73b754266e5b19bf46a.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3536	1569a4fb85209b44cc1e1983010281239e82baadeddef73b754266e5b19bf46a.exe
Token: SeSecurityPrivilege	1556	TiWorker.exe
Token: SeRestorePrivilege	1556	TiWorker.exe
Token: SeBackupPrivilege	1556	TiWorker.exe
Token: SeBackupPrivilege	1556	TiWorker.exe
Token: SeRestorePrivilege	1556	TiWorker.exe
Token: SeSecurityPrivilege	1556	TiWorker.exe
Token: SeBackupPrivilege	1556	TiWorker.exe
Token: SeRestorePrivilege	1556	TiWorker.exe
Token: SeSecurityPrivilege	1556	TiWorker.exe
Token: SeBackupPrivilege	1556	TiWorker.exe
Token: SeRestorePrivilege	1556	TiWorker.exe
Token: SeSecurityPrivilege	1556	TiWorker.exe
Token: SeBackupPrivilege	1556	TiWorker.exe
Token: SeRestorePrivilege	1556	TiWorker.exe
Token: SeSecurityPrivilege	1556	TiWorker.exe
Token: SeBackupPrivilege	1556	TiWorker.exe
Token: SeRestorePrivilege	1556	TiWorker.exe
Token: SeSecurityPrivilege	1556	TiWorker.exe
Token: SeBackupPrivilege	1556	TiWorker.exe
Token: SeRestorePrivilege	1556	TiWorker.exe
Token: SeSecurityPrivilege	1556	TiWorker.exe
Token: SeBackupPrivilege	1556	TiWorker.exe
Token: SeRestorePrivilege	1556	TiWorker.exe
Token: SeSecurityPrivilege	1556	TiWorker.exe
Token: SeBackupPrivilege	1556	TiWorker.exe
Token: SeRestorePrivilege	1556	TiWorker.exe
Token: SeSecurityPrivilege	1556	TiWorker.exe
Token: SeBackupPrivilege	1556	TiWorker.exe
Token: SeRestorePrivilege	1556	TiWorker.exe
Token: SeSecurityPrivilege	1556	TiWorker.exe
Token: SeBackupPrivilege	1556	TiWorker.exe
Token: SeRestorePrivilege	1556	TiWorker.exe
Token: SeSecurityPrivilege	1556	TiWorker.exe
Token: SeBackupPrivilege	1556	TiWorker.exe
Token: SeRestorePrivilege	1556	TiWorker.exe
Token: SeSecurityPrivilege	1556	TiWorker.exe
Token: SeBackupPrivilege	1556	TiWorker.exe
Token: SeRestorePrivilege	1556	TiWorker.exe
Token: SeSecurityPrivilege	1556	TiWorker.exe
Token: SeBackupPrivilege	1556	TiWorker.exe
Token: SeRestorePrivilege	1556	TiWorker.exe
Token: SeSecurityPrivilege	1556	TiWorker.exe
Token: SeBackupPrivilege	1556	TiWorker.exe
Token: SeRestorePrivilege	1556	TiWorker.exe
Token: SeSecurityPrivilege	1556	TiWorker.exe
Token: SeBackupPrivilege	1556	TiWorker.exe
Token: SeRestorePrivilege	1556	TiWorker.exe
Token: SeSecurityPrivilege	1556	TiWorker.exe
Token: SeBackupPrivilege	1556	TiWorker.exe
Token: SeRestorePrivilege	1556	TiWorker.exe
Token: SeSecurityPrivilege	1556	TiWorker.exe
Token: SeBackupPrivilege	1556	TiWorker.exe
Token: SeRestorePrivilege	1556	TiWorker.exe
Token: SeSecurityPrivilege	1556	TiWorker.exe
Token: SeBackupPrivilege	1556	TiWorker.exe
Token: SeRestorePrivilege	1556	TiWorker.exe
Token: SeSecurityPrivilege	1556	TiWorker.exe
Token: SeBackupPrivilege	1556	TiWorker.exe
Token: SeRestorePrivilege	1556	TiWorker.exe
Token: SeSecurityPrivilege	1556	TiWorker.exe
Token: SeBackupPrivilege	1556	TiWorker.exe
Token: SeRestorePrivilege	1556	TiWorker.exe
Token: SeSecurityPrivilege	1556	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1569a4fb85209b44cc1e1983010281239e82baadeddef73b754266e5b19bf46a.execmd.exe

description	pid	process	target process
PID 3536 wrote to memory of 3008	3536	1569a4fb85209b44cc1e1983010281239e82baadeddef73b754266e5b19bf46a.exe	MediaCenter.exe
PID 3536 wrote to memory of 3008	3536	1569a4fb85209b44cc1e1983010281239e82baadeddef73b754266e5b19bf46a.exe	MediaCenter.exe
PID 3536 wrote to memory of 3008	3536	1569a4fb85209b44cc1e1983010281239e82baadeddef73b754266e5b19bf46a.exe	MediaCenter.exe
PID 3536 wrote to memory of 1092	3536	1569a4fb85209b44cc1e1983010281239e82baadeddef73b754266e5b19bf46a.exe	cmd.exe
PID 3536 wrote to memory of 1092	3536	1569a4fb85209b44cc1e1983010281239e82baadeddef73b754266e5b19bf46a.exe	cmd.exe
PID 3536 wrote to memory of 1092	3536	1569a4fb85209b44cc1e1983010281239e82baadeddef73b754266e5b19bf46a.exe	cmd.exe
PID 1092 wrote to memory of 640	1092	cmd.exe	PING.EXE
PID 1092 wrote to memory of 640	1092	cmd.exe	PING.EXE
PID 1092 wrote to memory of 640	1092	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1569a4fb85209b44cc1e1983010281239e82baadeddef73b754266e5b19bf46a.exe
"C:\Users\Admin\AppData\Local\Temp\1569a4fb85209b44cc1e1983010281239e82baadeddef73b754266e5b19bf46a.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3536

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3008

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1569a4fb85209b44cc1e1983010281239e82baadeddef73b754266e5b19bf46a.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1092

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:640

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1764

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:3952

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:1556

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
0098b503406b1ae85a7cd468bd620586

SHA1
55e55960c7f4c4cec3bc6f246af93b8d7617d1bc

SHA256
d2ff04dd5cf6c92bee369dc43fabd48293963d63af08e33f2cca0af0a597a7ce

SHA512
128179045759d44c8efe77640315432aa71185f7ac58cf2a116753b9cdc6e92ea13eda7ee83d01ddf507a2786585def45e784e39bdd4b0dff32220ff7b099d55

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

MD5
0098b503406b1ae85a7cd468bd620586

SHA1
55e55960c7f4c4cec3bc6f246af93b8d7617d1bc

SHA256
d2ff04dd5cf6c92bee369dc43fabd48293963d63af08e33f2cca0af0a597a7ce

SHA512
128179045759d44c8efe77640315432aa71185f7ac58cf2a116753b9cdc6e92ea13eda7ee83d01ddf507a2786585def45e784e39bdd4b0dff32220ff7b099d55

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads