sakula | 12b0325dde47158b91a70a1dad9eb320a2908e4859114368c819a03b4bf01b13

General

Target

12b0325dde47158b91a70a1dad9eb320a2908e4859114368c819a03b4bf01b13.exe
Size

79KB
MD5

35f274dc93417b569753a6d57e62f8a5
SHA1

3b3ef2cc604c69065ac3b679445f9b2c919f5034
SHA256

12b0325dde47158b91a70a1dad9eb320a2908e4859114368c819a03b4bf01b13
SHA512

014c546d2b33b9ace1e2909361abaf01e53fc011ecfa1ed2f0238deee66624aee1e326ebf652abc5b82767d803e056ffd2484b2c07d98bbf57162dc03ded1af6

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

2672 MediaCenter.exe

pid	process
2672	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:

12b0325dde47158b91a70a1dad9eb320a2908e4859114368c819a03b4bf01b13.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	12b0325dde47158b91a70a1dad9eb320a2908e4859114368c819a03b4bf01b13.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

12b0325dde47158b91a70a1dad9eb320a2908e4859114368c819a03b4bf01b13.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"	12b0325dde47158b91a70a1dad9eb320a2908e4859114368c819a03b4bf01b13.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\UploadMonthlyLanBytes = "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\DownloadMonthlyLanBytes = "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\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "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\Config\DownloadMode_BackCompat = "1"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.562487"	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\MonthlyUploadRestriction = "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 = "0.212767"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3836"	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\GroupConnectionCount = "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\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892937352201532"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "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 (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\FrDownloadRatePct = "90"	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\PriorityDownloadCount = "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\SwarmCount = "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\DODownloadMode = "1"	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\CDNConnectionCount = "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\MemoryUsageKB = "4104"	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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.332311"	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\LANConnectionCount = "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\MemoryUsageKB = "4200"	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\DownloadMonthlyRateBkCnt = "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\BkDownloadRatePct = "45"	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\UploadMonthlyInternetBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4040 PING.EXE

pid	process
4040	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	2636	TiWorker.exe
Token: SeRestorePrivilege	2636	TiWorker.exe
Token: SeBackupPrivilege	2636	TiWorker.exe
Token: SeBackupPrivilege	2636	TiWorker.exe
Token: SeRestorePrivilege	2636	TiWorker.exe
Token: SeSecurityPrivilege	2636	TiWorker.exe
Token: SeBackupPrivilege	2636	TiWorker.exe
Token: SeRestorePrivilege	2636	TiWorker.exe
Token: SeSecurityPrivilege	2636	TiWorker.exe
Token: SeBackupPrivilege	2636	TiWorker.exe
Token: SeRestorePrivilege	2636	TiWorker.exe
Token: SeSecurityPrivilege	2636	TiWorker.exe
Token: SeBackupPrivilege	2636	TiWorker.exe
Token: SeRestorePrivilege	2636	TiWorker.exe
Token: SeSecurityPrivilege	2636	TiWorker.exe
Token: SeBackupPrivilege	2636	TiWorker.exe
Token: SeRestorePrivilege	2636	TiWorker.exe
Token: SeSecurityPrivilege	2636	TiWorker.exe
Token: SeBackupPrivilege	2636	TiWorker.exe
Token: SeRestorePrivilege	2636	TiWorker.exe
Token: SeSecurityPrivilege	2636	TiWorker.exe
Token: SeBackupPrivilege	2636	TiWorker.exe
Token: SeRestorePrivilege	2636	TiWorker.exe
Token: SeSecurityPrivilege	2636	TiWorker.exe
Token: SeBackupPrivilege	2636	TiWorker.exe
Token: SeRestorePrivilege	2636	TiWorker.exe
Token: SeSecurityPrivilege	2636	TiWorker.exe
Token: SeBackupPrivilege	2636	TiWorker.exe
Token: SeRestorePrivilege	2636	TiWorker.exe
Token: SeSecurityPrivilege	2636	TiWorker.exe
Token: SeBackupPrivilege	2636	TiWorker.exe
Token: SeRestorePrivilege	2636	TiWorker.exe
Token: SeSecurityPrivilege	2636	TiWorker.exe
Token: SeBackupPrivilege	2636	TiWorker.exe
Token: SeRestorePrivilege	2636	TiWorker.exe
Token: SeSecurityPrivilege	2636	TiWorker.exe
Token: SeBackupPrivilege	2636	TiWorker.exe
Token: SeRestorePrivilege	2636	TiWorker.exe
Token: SeSecurityPrivilege	2636	TiWorker.exe
Token: SeBackupPrivilege	2636	TiWorker.exe
Token: SeRestorePrivilege	2636	TiWorker.exe
Token: SeSecurityPrivilege	2636	TiWorker.exe
Token: SeBackupPrivilege	2636	TiWorker.exe
Token: SeRestorePrivilege	2636	TiWorker.exe
Token: SeSecurityPrivilege	2636	TiWorker.exe
Token: SeBackupPrivilege	2636	TiWorker.exe
Token: SeRestorePrivilege	2636	TiWorker.exe
Token: SeSecurityPrivilege	2636	TiWorker.exe
Token: SeBackupPrivilege	2636	TiWorker.exe
Token: SeRestorePrivilege	2636	TiWorker.exe
Token: SeSecurityPrivilege	2636	TiWorker.exe
Token: SeBackupPrivilege	2636	TiWorker.exe
Token: SeRestorePrivilege	2636	TiWorker.exe
Token: SeSecurityPrivilege	2636	TiWorker.exe
Token: SeBackupPrivilege	2636	TiWorker.exe
Token: SeRestorePrivilege	2636	TiWorker.exe
Token: SeSecurityPrivilege	2636	TiWorker.exe
Token: SeBackupPrivilege	2636	TiWorker.exe
Token: SeRestorePrivilege	2636	TiWorker.exe
Token: SeSecurityPrivilege	2636	TiWorker.exe
Token: SeBackupPrivilege	2636	TiWorker.exe
Token: SeRestorePrivilege	2636	TiWorker.exe
Token: SeSecurityPrivilege	2636	TiWorker.exe
Token: SeBackupPrivilege	2636	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

12b0325dde47158b91a70a1dad9eb320a2908e4859114368c819a03b4bf01b13.execmd.exe

description	pid	process	target process
PID 3572 wrote to memory of 2672	3572	12b0325dde47158b91a70a1dad9eb320a2908e4859114368c819a03b4bf01b13.exe	MediaCenter.exe
PID 3572 wrote to memory of 2672	3572	12b0325dde47158b91a70a1dad9eb320a2908e4859114368c819a03b4bf01b13.exe	MediaCenter.exe
PID 3572 wrote to memory of 2672	3572	12b0325dde47158b91a70a1dad9eb320a2908e4859114368c819a03b4bf01b13.exe	MediaCenter.exe
PID 3572 wrote to memory of 2508	3572	12b0325dde47158b91a70a1dad9eb320a2908e4859114368c819a03b4bf01b13.exe	cmd.exe
PID 3572 wrote to memory of 2508	3572	12b0325dde47158b91a70a1dad9eb320a2908e4859114368c819a03b4bf01b13.exe	cmd.exe
PID 3572 wrote to memory of 2508	3572	12b0325dde47158b91a70a1dad9eb320a2908e4859114368c819a03b4bf01b13.exe	cmd.exe
PID 2508 wrote to memory of 4040	2508	cmd.exe	PING.EXE
PID 2508 wrote to memory of 4040	2508	cmd.exe	PING.EXE
PID 2508 wrote to memory of 4040	2508	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\12b0325dde47158b91a70a1dad9eb320a2908e4859114368c819a03b4bf01b13.exe
"C:\Users\Admin\AppData\Local\Temp\12b0325dde47158b91a70a1dad9eb320a2908e4859114368c819a03b4bf01b13.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3572

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2672

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\12b0325dde47158b91a70a1dad9eb320a2908e4859114368c819a03b4bf01b13.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2508

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:4040

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:4008

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:1816

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:2636

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

MD5
66d891d45ef4b4db77b12f7f75b713a0

SHA1
51879403fe653e0fe196687eceb9f33b0072c9c1

SHA256
5ac8a63f212c92bea7272ca373c27b509707ba9277782eef9602d72759400193

SHA512
3140b07c88ddea14bdbe70c1c9a0c3fff4c587686a114c25063d5188ceeace35850f8f98969cbb0ec8afe35240e4b142b65a318cc67a1e9fd010774efac92563

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

MD5
66d891d45ef4b4db77b12f7f75b713a0

SHA1
51879403fe653e0fe196687eceb9f33b0072c9c1

SHA256
5ac8a63f212c92bea7272ca373c27b509707ba9277782eef9602d72759400193

SHA512
3140b07c88ddea14bdbe70c1c9a0c3fff4c587686a114c25063d5188ceeace35850f8f98969cbb0ec8afe35240e4b142b65a318cc67a1e9fd010774efac92563

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads