sakula | 057db5b5cb34822167fd80b7a9310b2355195aa2abbd20b236b550f0f1e16830

General

Target

057db5b5cb34822167fd80b7a9310b2355195aa2abbd20b236b550f0f1e16830.exe
Size

60KB
MD5

85d9c7207ef1464b6ebaad26678ee697
SHA1

60d5f3d2bb01069ee55b47e495d62676acd63ce5
SHA256

057db5b5cb34822167fd80b7a9310b2355195aa2abbd20b236b550f0f1e16830
SHA512

c4e1a653b13a737462d07f5b88c7b2e0022dc9169ac3c0a92d681e1b5ea2395b6c4751f690344eaf32a959ecaef65a4df841b8dfcd9b89809c988d2084763a4e

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

4052 MediaCenter.exe

pid	process
4052	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:

057db5b5cb34822167fd80b7a9310b2355195aa2abbd20b236b550f0f1e16830.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	057db5b5cb34822167fd80b7a9310b2355195aa2abbd20b236b550f0f1e16830.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

057db5b5cb34822167fd80b7a9310b2355195aa2abbd20b236b550f0f1e16830.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"	057db5b5cb34822167fd80b7a9310b2355195aa2abbd20b236b550f0f1e16830.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
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\LinkLocalConnectionCount = "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\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 (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\DownloadMonthlyInternetBytes = "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\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "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\DownloadMonthlyCacheHostBytes = "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\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
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\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\SwarmCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.315705"	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\DownloadMonthlyRateFrCnt = "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\DownloadMonthlyGroupBytes = "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\CDNConnectionCount = "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\DownloadMode_BackCompat = "1"	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\UploadMonthlyLanBytes = "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\Config\KVFileExpirationTime = "132893148861782546"	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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.252118"	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\Usage	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\GroupConnectionCount = "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\UplinkBps = "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\Config\DODownloadMode = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4356"	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

2128 PING.EXE

pid	process
2128	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe057db5b5cb34822167fd80b7a9310b2355195aa2abbd20b236b550f0f1e16830.exe

description	pid	process
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeIncBasePriorityPrivilege	1328	057db5b5cb34822167fd80b7a9310b2355195aa2abbd20b236b550f0f1e16830.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

057db5b5cb34822167fd80b7a9310b2355195aa2abbd20b236b550f0f1e16830.execmd.exe

description	pid	process	target process
PID 1328 wrote to memory of 4052	1328	057db5b5cb34822167fd80b7a9310b2355195aa2abbd20b236b550f0f1e16830.exe	MediaCenter.exe
PID 1328 wrote to memory of 4052	1328	057db5b5cb34822167fd80b7a9310b2355195aa2abbd20b236b550f0f1e16830.exe	MediaCenter.exe
PID 1328 wrote to memory of 4052	1328	057db5b5cb34822167fd80b7a9310b2355195aa2abbd20b236b550f0f1e16830.exe	MediaCenter.exe
PID 1328 wrote to memory of 3372	1328	057db5b5cb34822167fd80b7a9310b2355195aa2abbd20b236b550f0f1e16830.exe	cmd.exe
PID 1328 wrote to memory of 3372	1328	057db5b5cb34822167fd80b7a9310b2355195aa2abbd20b236b550f0f1e16830.exe	cmd.exe
PID 1328 wrote to memory of 3372	1328	057db5b5cb34822167fd80b7a9310b2355195aa2abbd20b236b550f0f1e16830.exe	cmd.exe
PID 3372 wrote to memory of 2128	3372	cmd.exe	PING.EXE
PID 3372 wrote to memory of 2128	3372	cmd.exe	PING.EXE
PID 3372 wrote to memory of 2128	3372	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\057db5b5cb34822167fd80b7a9310b2355195aa2abbd20b236b550f0f1e16830.exe
"C:\Users\Admin\AppData\Local\Temp\057db5b5cb34822167fd80b7a9310b2355195aa2abbd20b236b550f0f1e16830.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1328

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:4052

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\057db5b5cb34822167fd80b7a9310b2355195aa2abbd20b236b550f0f1e16830.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3372

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2128

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:880

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:996

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:2156

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
571b3e350141dfa95735add34c857805

SHA1
24a3941765319003e45cdc467e6614a835511d92

SHA256
7a225eee936074145f3c8b00afc590eb6c9e2e40c35bfdf3d1a00b56725bfd43

SHA512
25707f3c5f785238b45077c23c52ea18b15f6a60ff6eb378a5e436554c50882d15f471ab31dcc206140721c36659ebed96c5d295ec936ae37b96b2a0f0c7ee07

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
571b3e350141dfa95735add34c857805

SHA1
24a3941765319003e45cdc467e6614a835511d92

SHA256
7a225eee936074145f3c8b00afc590eb6c9e2e40c35bfdf3d1a00b56725bfd43

SHA512
25707f3c5f785238b45077c23c52ea18b15f6a60ff6eb378a5e436554c50882d15f471ab31dcc206140721c36659ebed96c5d295ec936ae37b96b2a0f0c7ee07

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads