sakula | 12573c04f828979745a38b1a9d124b0252e43f6a80b54579319c67bc14e48c62

General

Target

12573c04f828979745a38b1a9d124b0252e43f6a80b54579319c67bc14e48c62.exe
Size

92KB
MD5

832b54185679cbed01d9a9f26b79d3c2
SHA1

b226ef914a7b429d300cff5d13b643e40aedb911
SHA256

12573c04f828979745a38b1a9d124b0252e43f6a80b54579319c67bc14e48c62
SHA512

90252881718d9a207e2e5b78402956dc094e4c51beff82734a39b532e06fa09e69955e36a263b231e1eb5c3fcb1f8c4898c7e9699dc0c3904b63364d1fae5e46

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

3248 MediaCenter.exe

pid	process
3248	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:

12573c04f828979745a38b1a9d124b0252e43f6a80b54579319c67bc14e48c62.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	12573c04f828979745a38b1a9d124b0252e43f6a80b54579319c67bc14e48c62.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

12573c04f828979745a38b1a9d124b0252e43f6a80b54579319c67bc14e48c62.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"	12573c04f828979745a38b1a9d124b0252e43f6a80b54579319c67bc14e48c62.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\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.040817"	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\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 (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\InternetConnectionCount = "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\SwarmCount = "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 (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\DownloadMonthlyRateFrBps = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.570722"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4348"	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 = "132892941544902999"	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\LANConnectionCount = "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\MemoryUsageKB = "4184"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "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\DownloadMonthlyCacheHostBytes = "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 (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\PriorityDownloadPendingCount = "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\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\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\MemoryUsageKB = "4192"	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\DownloadMonthlyLanBytes = "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\UplinkUsageBps = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	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\DownloadMonthlyRateBkCnt = "0"	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\GroupConnectionCount = "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\FrDownloadRatePct = "90"	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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3624 PING.EXE

pid	process
3624	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	2724	TiWorker.exe
Token: SeRestorePrivilege	2724	TiWorker.exe
Token: SeBackupPrivilege	2724	TiWorker.exe
Token: SeBackupPrivilege	2724	TiWorker.exe
Token: SeRestorePrivilege	2724	TiWorker.exe
Token: SeSecurityPrivilege	2724	TiWorker.exe
Token: SeBackupPrivilege	2724	TiWorker.exe
Token: SeRestorePrivilege	2724	TiWorker.exe
Token: SeSecurityPrivilege	2724	TiWorker.exe
Token: SeBackupPrivilege	2724	TiWorker.exe
Token: SeRestorePrivilege	2724	TiWorker.exe
Token: SeSecurityPrivilege	2724	TiWorker.exe
Token: SeBackupPrivilege	2724	TiWorker.exe
Token: SeRestorePrivilege	2724	TiWorker.exe
Token: SeSecurityPrivilege	2724	TiWorker.exe
Token: SeBackupPrivilege	2724	TiWorker.exe
Token: SeRestorePrivilege	2724	TiWorker.exe
Token: SeSecurityPrivilege	2724	TiWorker.exe
Token: SeBackupPrivilege	2724	TiWorker.exe
Token: SeRestorePrivilege	2724	TiWorker.exe
Token: SeSecurityPrivilege	2724	TiWorker.exe
Token: SeBackupPrivilege	2724	TiWorker.exe
Token: SeRestorePrivilege	2724	TiWorker.exe
Token: SeSecurityPrivilege	2724	TiWorker.exe
Token: SeBackupPrivilege	2724	TiWorker.exe
Token: SeRestorePrivilege	2724	TiWorker.exe
Token: SeSecurityPrivilege	2724	TiWorker.exe
Token: SeBackupPrivilege	2724	TiWorker.exe
Token: SeRestorePrivilege	2724	TiWorker.exe
Token: SeSecurityPrivilege	2724	TiWorker.exe
Token: SeBackupPrivilege	2724	TiWorker.exe
Token: SeRestorePrivilege	2724	TiWorker.exe
Token: SeSecurityPrivilege	2724	TiWorker.exe
Token: SeBackupPrivilege	2724	TiWorker.exe
Token: SeRestorePrivilege	2724	TiWorker.exe
Token: SeSecurityPrivilege	2724	TiWorker.exe
Token: SeBackupPrivilege	2724	TiWorker.exe
Token: SeRestorePrivilege	2724	TiWorker.exe
Token: SeSecurityPrivilege	2724	TiWorker.exe
Token: SeBackupPrivilege	2724	TiWorker.exe
Token: SeRestorePrivilege	2724	TiWorker.exe
Token: SeSecurityPrivilege	2724	TiWorker.exe
Token: SeBackupPrivilege	2724	TiWorker.exe
Token: SeRestorePrivilege	2724	TiWorker.exe
Token: SeSecurityPrivilege	2724	TiWorker.exe
Token: SeBackupPrivilege	2724	TiWorker.exe
Token: SeRestorePrivilege	2724	TiWorker.exe
Token: SeSecurityPrivilege	2724	TiWorker.exe
Token: SeBackupPrivilege	2724	TiWorker.exe
Token: SeRestorePrivilege	2724	TiWorker.exe
Token: SeSecurityPrivilege	2724	TiWorker.exe
Token: SeBackupPrivilege	2724	TiWorker.exe
Token: SeRestorePrivilege	2724	TiWorker.exe
Token: SeSecurityPrivilege	2724	TiWorker.exe
Token: SeBackupPrivilege	2724	TiWorker.exe
Token: SeRestorePrivilege	2724	TiWorker.exe
Token: SeSecurityPrivilege	2724	TiWorker.exe
Token: SeBackupPrivilege	2724	TiWorker.exe
Token: SeRestorePrivilege	2724	TiWorker.exe
Token: SeSecurityPrivilege	2724	TiWorker.exe
Token: SeBackupPrivilege	2724	TiWorker.exe
Token: SeRestorePrivilege	2724	TiWorker.exe
Token: SeSecurityPrivilege	2724	TiWorker.exe
Token: SeBackupPrivilege	2724	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

12573c04f828979745a38b1a9d124b0252e43f6a80b54579319c67bc14e48c62.execmd.exe

description	pid	process	target process
PID 3096 wrote to memory of 3248	3096	12573c04f828979745a38b1a9d124b0252e43f6a80b54579319c67bc14e48c62.exe	MediaCenter.exe
PID 3096 wrote to memory of 3248	3096	12573c04f828979745a38b1a9d124b0252e43f6a80b54579319c67bc14e48c62.exe	MediaCenter.exe
PID 3096 wrote to memory of 3248	3096	12573c04f828979745a38b1a9d124b0252e43f6a80b54579319c67bc14e48c62.exe	MediaCenter.exe
PID 3096 wrote to memory of 312	3096	12573c04f828979745a38b1a9d124b0252e43f6a80b54579319c67bc14e48c62.exe	cmd.exe
PID 3096 wrote to memory of 312	3096	12573c04f828979745a38b1a9d124b0252e43f6a80b54579319c67bc14e48c62.exe	cmd.exe
PID 3096 wrote to memory of 312	3096	12573c04f828979745a38b1a9d124b0252e43f6a80b54579319c67bc14e48c62.exe	cmd.exe
PID 312 wrote to memory of 3624	312	cmd.exe	PING.EXE
PID 312 wrote to memory of 3624	312	cmd.exe	PING.EXE
PID 312 wrote to memory of 3624	312	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\12573c04f828979745a38b1a9d124b0252e43f6a80b54579319c67bc14e48c62.exe
"C:\Users\Admin\AppData\Local\Temp\12573c04f828979745a38b1a9d124b0252e43f6a80b54579319c67bc14e48c62.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3096

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3248

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\12573c04f828979745a38b1a9d124b0252e43f6a80b54579319c67bc14e48c62.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:312

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3624

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3844

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:1620

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:2724

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
c5359c0e37d22d4a3855074b4835b493

SHA1
67f93aa70020b9420a6c0a61f19e11dda817dde3

SHA256
c2e761f9b140a634df94b65bf675865a8b6ea2a14c611ec41fee189d0bdb66bd

SHA512
2579da727fb272cb3ba1823623422c82fca4ea972e511114de25c0faed011f6878bad0f17493f13602028441007e743bffdecd604e360088cf252196785b71ce

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

MD5
c5359c0e37d22d4a3855074b4835b493

SHA1
67f93aa70020b9420a6c0a61f19e11dda817dde3

SHA256
c2e761f9b140a634df94b65bf675865a8b6ea2a14c611ec41fee189d0bdb66bd

SHA512
2579da727fb272cb3ba1823623422c82fca4ea972e511114de25c0faed011f6878bad0f17493f13602028441007e743bffdecd604e360088cf252196785b71ce

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads