sakula | 044c6ecad731d819d0baeb6b68a6b3a77149538da389832c3be7205aa4151497

General

Target

044c6ecad731d819d0baeb6b68a6b3a77149538da389832c3be7205aa4151497.exe
Size

58KB
MD5

c95bfc7ca329e7bc37b3d3dcc36ab982
SHA1

f8e32174ddeea58d474c75ba1b2d0d14b3cc416c
SHA256

044c6ecad731d819d0baeb6b68a6b3a77149538da389832c3be7205aa4151497
SHA512

d9960cbb9a0969a7e43890e5ef2cadc13d8bf1ce071958075755b0ea4d95b7d848f067b8ca4ac6d3c9836f53bcad91575df29634f4303243fb1889a3377bbdc7

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

3580 MediaCenter.exe

pid	process
3580	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:

044c6ecad731d819d0baeb6b68a6b3a77149538da389832c3be7205aa4151497.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	044c6ecad731d819d0baeb6b68a6b3a77149538da389832c3be7205aa4151497.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

044c6ecad731d819d0baeb6b68a6b3a77149538da389832c3be7205aa4151497.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"	044c6ecad731d819d0baeb6b68a6b3a77149538da389832c3be7205aa4151497.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\Logs\CBS\CBS.log	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\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\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\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\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\DownloadMonthlyRateFrBps = "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\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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4084"	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\FrDownloadRatePct = "90"	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\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893167524309347"	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\LinkLocalConnectionCount = "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\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\Usage\CPUpct = "0.399419"	svchost.exe
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\GroupConnectionCount = "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\UplinkUsageBps = "0"	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\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\DownlinkBps = "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\PriorityDownloadCount = "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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.171350"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4208"	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\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "29.997850"	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\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\InternetConnectionCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1824 PING.EXE

pid	process
1824	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

044c6ecad731d819d0baeb6b68a6b3a77149538da389832c3be7205aa4151497.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3288	044c6ecad731d819d0baeb6b68a6b3a77149538da389832c3be7205aa4151497.exe
Token: SeSecurityPrivilege	1728	TiWorker.exe
Token: SeRestorePrivilege	1728	TiWorker.exe
Token: SeBackupPrivilege	1728	TiWorker.exe
Token: SeBackupPrivilege	1728	TiWorker.exe
Token: SeRestorePrivilege	1728	TiWorker.exe
Token: SeSecurityPrivilege	1728	TiWorker.exe
Token: SeBackupPrivilege	1728	TiWorker.exe
Token: SeRestorePrivilege	1728	TiWorker.exe
Token: SeSecurityPrivilege	1728	TiWorker.exe
Token: SeBackupPrivilege	1728	TiWorker.exe
Token: SeRestorePrivilege	1728	TiWorker.exe
Token: SeSecurityPrivilege	1728	TiWorker.exe
Token: SeBackupPrivilege	1728	TiWorker.exe
Token: SeRestorePrivilege	1728	TiWorker.exe
Token: SeSecurityPrivilege	1728	TiWorker.exe
Token: SeBackupPrivilege	1728	TiWorker.exe
Token: SeRestorePrivilege	1728	TiWorker.exe
Token: SeSecurityPrivilege	1728	TiWorker.exe
Token: SeBackupPrivilege	1728	TiWorker.exe
Token: SeRestorePrivilege	1728	TiWorker.exe
Token: SeSecurityPrivilege	1728	TiWorker.exe
Token: SeBackupPrivilege	1728	TiWorker.exe
Token: SeRestorePrivilege	1728	TiWorker.exe
Token: SeSecurityPrivilege	1728	TiWorker.exe
Token: SeBackupPrivilege	1728	TiWorker.exe
Token: SeRestorePrivilege	1728	TiWorker.exe
Token: SeSecurityPrivilege	1728	TiWorker.exe
Token: SeBackupPrivilege	1728	TiWorker.exe
Token: SeRestorePrivilege	1728	TiWorker.exe
Token: SeSecurityPrivilege	1728	TiWorker.exe
Token: SeBackupPrivilege	1728	TiWorker.exe
Token: SeRestorePrivilege	1728	TiWorker.exe
Token: SeSecurityPrivilege	1728	TiWorker.exe
Token: SeBackupPrivilege	1728	TiWorker.exe
Token: SeRestorePrivilege	1728	TiWorker.exe
Token: SeSecurityPrivilege	1728	TiWorker.exe
Token: SeBackupPrivilege	1728	TiWorker.exe
Token: SeRestorePrivilege	1728	TiWorker.exe
Token: SeSecurityPrivilege	1728	TiWorker.exe
Token: SeBackupPrivilege	1728	TiWorker.exe
Token: SeRestorePrivilege	1728	TiWorker.exe
Token: SeSecurityPrivilege	1728	TiWorker.exe
Token: SeBackupPrivilege	1728	TiWorker.exe
Token: SeRestorePrivilege	1728	TiWorker.exe
Token: SeSecurityPrivilege	1728	TiWorker.exe
Token: SeBackupPrivilege	1728	TiWorker.exe
Token: SeRestorePrivilege	1728	TiWorker.exe
Token: SeSecurityPrivilege	1728	TiWorker.exe
Token: SeBackupPrivilege	1728	TiWorker.exe
Token: SeRestorePrivilege	1728	TiWorker.exe
Token: SeSecurityPrivilege	1728	TiWorker.exe
Token: SeBackupPrivilege	1728	TiWorker.exe
Token: SeRestorePrivilege	1728	TiWorker.exe
Token: SeSecurityPrivilege	1728	TiWorker.exe
Token: SeBackupPrivilege	1728	TiWorker.exe
Token: SeRestorePrivilege	1728	TiWorker.exe
Token: SeSecurityPrivilege	1728	TiWorker.exe
Token: SeBackupPrivilege	1728	TiWorker.exe
Token: SeRestorePrivilege	1728	TiWorker.exe
Token: SeSecurityPrivilege	1728	TiWorker.exe
Token: SeBackupPrivilege	1728	TiWorker.exe
Token: SeRestorePrivilege	1728	TiWorker.exe
Token: SeSecurityPrivilege	1728	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

044c6ecad731d819d0baeb6b68a6b3a77149538da389832c3be7205aa4151497.execmd.exe

description	pid	process	target process
PID 3288 wrote to memory of 3580	3288	044c6ecad731d819d0baeb6b68a6b3a77149538da389832c3be7205aa4151497.exe	MediaCenter.exe
PID 3288 wrote to memory of 3580	3288	044c6ecad731d819d0baeb6b68a6b3a77149538da389832c3be7205aa4151497.exe	MediaCenter.exe
PID 3288 wrote to memory of 3580	3288	044c6ecad731d819d0baeb6b68a6b3a77149538da389832c3be7205aa4151497.exe	MediaCenter.exe
PID 3288 wrote to memory of 2804	3288	044c6ecad731d819d0baeb6b68a6b3a77149538da389832c3be7205aa4151497.exe	cmd.exe
PID 3288 wrote to memory of 2804	3288	044c6ecad731d819d0baeb6b68a6b3a77149538da389832c3be7205aa4151497.exe	cmd.exe
PID 3288 wrote to memory of 2804	3288	044c6ecad731d819d0baeb6b68a6b3a77149538da389832c3be7205aa4151497.exe	cmd.exe
PID 2804 wrote to memory of 1824	2804	cmd.exe	PING.EXE
PID 2804 wrote to memory of 1824	2804	cmd.exe	PING.EXE
PID 2804 wrote to memory of 1824	2804	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\044c6ecad731d819d0baeb6b68a6b3a77149538da389832c3be7205aa4151497.exe
"C:\Users\Admin\AppData\Local\Temp\044c6ecad731d819d0baeb6b68a6b3a77149538da389832c3be7205aa4151497.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3288

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3580

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\044c6ecad731d819d0baeb6b68a6b3a77149538da389832c3be7205aa4151497.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2804

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1824

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3992

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:3816

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:1728

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
850c052711a37e4770d3f96770a9d764

SHA1
e03c03edb648444210e02245f6244148aa02b8a3

SHA256
b4f35e631a7e7604668ea01c6b56d4957ad09b6ecd2ef156d2bf99de5c3a8df3

SHA512
ce74286788edab5fa9196d2fcd2ab50079268ed563428f9ff94fd1d98b8dd2136221efc5a49feb1a7e5c4a830ae057673b64409c556dea9c12658cf3fd146c6a

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
850c052711a37e4770d3f96770a9d764

SHA1
e03c03edb648444210e02245f6244148aa02b8a3

SHA256
b4f35e631a7e7604668ea01c6b56d4957ad09b6ecd2ef156d2bf99de5c3a8df3

SHA512
ce74286788edab5fa9196d2fcd2ab50079268ed563428f9ff94fd1d98b8dd2136221efc5a49feb1a7e5c4a830ae057673b64409c556dea9c12658cf3fd146c6a

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads