sakula | 06fc86aa934881c5c64050ae95b47bee6067ead78c75ac7387c365876aa343b9

General

Target

06fc86aa934881c5c64050ae95b47bee6067ead78c75ac7387c365876aa343b9.exe
Size

216KB
MD5

29723179a102ce73bb6886208871de3c
SHA1

5516d6eb3329330b7c0751561ef19e6ba9af6ddd
SHA256

06fc86aa934881c5c64050ae95b47bee6067ead78c75ac7387c365876aa343b9
SHA512

56f2ff2f1bb79abebf83262d83a01ebc5192f922de2b5cf569fc918e9af9db7618250ce6eb3a1386e1cb2eeeecf91fe75383d012688dab28e1b22fb6603e5edc

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 4 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
behavioral2/memory/2432-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula
behavioral2/memory/3352-133-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3352 MediaCenter.exe

pid	process
3352	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:

06fc86aa934881c5c64050ae95b47bee6067ead78c75ac7387c365876aa343b9.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	06fc86aa934881c5c64050ae95b47bee6067ead78c75ac7387c365876aa343b9.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

06fc86aa934881c5c64050ae95b47bee6067ead78c75ac7387c365876aa343b9.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"	06fc86aa934881c5c64050ae95b47bee6067ead78c75ac7387c365876aa343b9.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\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.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 47 IoCs

Processes:

svchost.exe

description	ioc	process
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\LANConnectionCount = "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\BkDownloadRatePct = "45"	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\DownloadMonthlyRateFrCnt = "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\MemoryUsageKB = "4164"	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\Config\DODownloadMode = "1"	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\DownloadMonthlyLinkLocalBytes = "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\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\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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4300"	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\DownloadMonthlyRateFrBps = "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\DownlinkBps = "0"	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\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\DownloadMonthlyGroupBytes = "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\LinkLocalConnectionCount = "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\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 (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\GroupConnectionCount = "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\UplinkBps = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.294696"	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\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893129204202694"	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
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3472 PING.EXE

pid	process
3472	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

06fc86aa934881c5c64050ae95b47bee6067ead78c75ac7387c365876aa343b9.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2432	06fc86aa934881c5c64050ae95b47bee6067ead78c75ac7387c365876aa343b9.exe
Token: SeSecurityPrivilege	1720	TiWorker.exe
Token: SeRestorePrivilege	1720	TiWorker.exe
Token: SeBackupPrivilege	1720	TiWorker.exe
Token: SeBackupPrivilege	1720	TiWorker.exe
Token: SeRestorePrivilege	1720	TiWorker.exe
Token: SeSecurityPrivilege	1720	TiWorker.exe
Token: SeBackupPrivilege	1720	TiWorker.exe
Token: SeRestorePrivilege	1720	TiWorker.exe
Token: SeSecurityPrivilege	1720	TiWorker.exe
Token: SeBackupPrivilege	1720	TiWorker.exe
Token: SeRestorePrivilege	1720	TiWorker.exe
Token: SeSecurityPrivilege	1720	TiWorker.exe
Token: SeBackupPrivilege	1720	TiWorker.exe
Token: SeRestorePrivilege	1720	TiWorker.exe
Token: SeSecurityPrivilege	1720	TiWorker.exe
Token: SeBackupPrivilege	1720	TiWorker.exe
Token: SeRestorePrivilege	1720	TiWorker.exe
Token: SeSecurityPrivilege	1720	TiWorker.exe
Token: SeBackupPrivilege	1720	TiWorker.exe
Token: SeRestorePrivilege	1720	TiWorker.exe
Token: SeSecurityPrivilege	1720	TiWorker.exe
Token: SeBackupPrivilege	1720	TiWorker.exe
Token: SeRestorePrivilege	1720	TiWorker.exe
Token: SeSecurityPrivilege	1720	TiWorker.exe
Token: SeBackupPrivilege	1720	TiWorker.exe
Token: SeRestorePrivilege	1720	TiWorker.exe
Token: SeSecurityPrivilege	1720	TiWorker.exe
Token: SeBackupPrivilege	1720	TiWorker.exe
Token: SeRestorePrivilege	1720	TiWorker.exe
Token: SeSecurityPrivilege	1720	TiWorker.exe
Token: SeBackupPrivilege	1720	TiWorker.exe
Token: SeRestorePrivilege	1720	TiWorker.exe
Token: SeSecurityPrivilege	1720	TiWorker.exe
Token: SeBackupPrivilege	1720	TiWorker.exe
Token: SeRestorePrivilege	1720	TiWorker.exe
Token: SeSecurityPrivilege	1720	TiWorker.exe
Token: SeBackupPrivilege	1720	TiWorker.exe
Token: SeRestorePrivilege	1720	TiWorker.exe
Token: SeSecurityPrivilege	1720	TiWorker.exe
Token: SeBackupPrivilege	1720	TiWorker.exe
Token: SeRestorePrivilege	1720	TiWorker.exe
Token: SeSecurityPrivilege	1720	TiWorker.exe
Token: SeBackupPrivilege	1720	TiWorker.exe
Token: SeRestorePrivilege	1720	TiWorker.exe
Token: SeSecurityPrivilege	1720	TiWorker.exe
Token: SeBackupPrivilege	1720	TiWorker.exe
Token: SeRestorePrivilege	1720	TiWorker.exe
Token: SeSecurityPrivilege	1720	TiWorker.exe
Token: SeBackupPrivilege	1720	TiWorker.exe
Token: SeRestorePrivilege	1720	TiWorker.exe
Token: SeSecurityPrivilege	1720	TiWorker.exe
Token: SeBackupPrivilege	1720	TiWorker.exe
Token: SeRestorePrivilege	1720	TiWorker.exe
Token: SeSecurityPrivilege	1720	TiWorker.exe
Token: SeBackupPrivilege	1720	TiWorker.exe
Token: SeRestorePrivilege	1720	TiWorker.exe
Token: SeSecurityPrivilege	1720	TiWorker.exe
Token: SeBackupPrivilege	1720	TiWorker.exe
Token: SeRestorePrivilege	1720	TiWorker.exe
Token: SeSecurityPrivilege	1720	TiWorker.exe
Token: SeBackupPrivilege	1720	TiWorker.exe
Token: SeRestorePrivilege	1720	TiWorker.exe
Token: SeSecurityPrivilege	1720	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

06fc86aa934881c5c64050ae95b47bee6067ead78c75ac7387c365876aa343b9.execmd.exe

description	pid	process	target process
PID 2432 wrote to memory of 3352	2432	06fc86aa934881c5c64050ae95b47bee6067ead78c75ac7387c365876aa343b9.exe	MediaCenter.exe
PID 2432 wrote to memory of 3352	2432	06fc86aa934881c5c64050ae95b47bee6067ead78c75ac7387c365876aa343b9.exe	MediaCenter.exe
PID 2432 wrote to memory of 3352	2432	06fc86aa934881c5c64050ae95b47bee6067ead78c75ac7387c365876aa343b9.exe	MediaCenter.exe
PID 2432 wrote to memory of 1536	2432	06fc86aa934881c5c64050ae95b47bee6067ead78c75ac7387c365876aa343b9.exe	cmd.exe
PID 2432 wrote to memory of 1536	2432	06fc86aa934881c5c64050ae95b47bee6067ead78c75ac7387c365876aa343b9.exe	cmd.exe
PID 2432 wrote to memory of 1536	2432	06fc86aa934881c5c64050ae95b47bee6067ead78c75ac7387c365876aa343b9.exe	cmd.exe
PID 1536 wrote to memory of 3472	1536	cmd.exe	PING.EXE
PID 1536 wrote to memory of 3472	1536	cmd.exe	PING.EXE
PID 1536 wrote to memory of 3472	1536	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\06fc86aa934881c5c64050ae95b47bee6067ead78c75ac7387c365876aa343b9.exe
"C:\Users\Admin\AppData\Local\Temp\06fc86aa934881c5c64050ae95b47bee6067ead78c75ac7387c365876aa343b9.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2432

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3352

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\06fc86aa934881c5c64050ae95b47bee6067ead78c75ac7387c365876aa343b9.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1536

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3472

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3040

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:3068

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:1720

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
291b7a5351d61c96a65cdaea1ab5aeb5

SHA1
8beb0ef22e5fc42bcdda46a17bbcfc41d6b6be7e

SHA256
32a271bad9f56535de875963f389d9dc4f0c4ba66c02578a1017d21785ba4b36

SHA512
60beadc91ada705c9f9fff008fe5e34edd09fcb0b866fbae55a083c667da871dcfd8c5acfb413afd3f91f7795ab9fb722a8c8364218b7c31d3591f107aeb8562

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
291b7a5351d61c96a65cdaea1ab5aeb5

SHA1
8beb0ef22e5fc42bcdda46a17bbcfc41d6b6be7e

SHA256
32a271bad9f56535de875963f389d9dc4f0c4ba66c02578a1017d21785ba4b36

SHA512
60beadc91ada705c9f9fff008fe5e34edd09fcb0b866fbae55a083c667da871dcfd8c5acfb413afd3f91f7795ab9fb722a8c8364218b7c31d3591f107aeb8562

Download Submit
memory/2432-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/3352-133-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads