sakula | 04febef830732ae91908ad41a55c2ac8c8972cf0d584411afd7d7fc22c8da5c6

General

Target

04febef830732ae91908ad41a55c2ac8c8972cf0d584411afd7d7fc22c8da5c6.exe
Size

191KB
MD5

fb879a17cc26940b811ddef9fee58595
SHA1

f448ab673d73f6f9a065d1150c466e526443ad22
SHA256

04febef830732ae91908ad41a55c2ac8c8972cf0d584411afd7d7fc22c8da5c6
SHA512

0483141027c7fcbc89fb75e0e9c1532fd53496f9a98a429e0222141ec522ff16f11b6022b8613b20146548dc0e7603b7a5bcf2e11379d1f03934627a45b80c13

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

2344 MediaCenter.exe

pid	process
2344	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:

04febef830732ae91908ad41a55c2ac8c8972cf0d584411afd7d7fc22c8da5c6.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	04febef830732ae91908ad41a55c2ac8c8972cf0d584411afd7d7fc22c8da5c6.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

04febef830732ae91908ad41a55c2ac8c8972cf0d584411afd7d7fc22c8da5c6.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"	04febef830732ae91908ad41a55c2ac8c8972cf0d584411afd7d7fc22c8da5c6.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 53 IoCs

Processes:

svchost.exe

description	ioc	process
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\Config\DODownloadMode = "1"	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\MonthID = "2"	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\MonthID = "1"	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\Usage\CPUpct = "0.000000"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893157164980069"	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\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\DownloadMonthlyRateFrCnt = "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\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "90228624"	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\DownloadMonthlyRateFrBps = "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\InternetConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.571143"	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\UplinkUsageBps = "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\UplinkBps = "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\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "1157726"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0"	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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "11.430683"	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\UploadMonthlyInternetBytes = "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\CacheSizeBytes = "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\MemoryUsageKB = "4312"	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\DownloadMonthlyInternetBytes = "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\MemoryUsageKB = "4108"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "4"	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\NormalDownloadPendingCount = "0"	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\SwarmCount = "1"	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\BkDownloadRatePct = "45"	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\DownloadMonthlyLanBytes = "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\DownlinkUsageBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

992 PING.EXE

pid	process
992	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	816	TiWorker.exe
Token: SeRestorePrivilege	816	TiWorker.exe
Token: SeBackupPrivilege	816	TiWorker.exe
Token: SeBackupPrivilege	816	TiWorker.exe
Token: SeRestorePrivilege	816	TiWorker.exe
Token: SeSecurityPrivilege	816	TiWorker.exe
Token: SeBackupPrivilege	816	TiWorker.exe
Token: SeRestorePrivilege	816	TiWorker.exe
Token: SeSecurityPrivilege	816	TiWorker.exe
Token: SeBackupPrivilege	816	TiWorker.exe
Token: SeRestorePrivilege	816	TiWorker.exe
Token: SeSecurityPrivilege	816	TiWorker.exe
Token: SeBackupPrivilege	816	TiWorker.exe
Token: SeRestorePrivilege	816	TiWorker.exe
Token: SeSecurityPrivilege	816	TiWorker.exe
Token: SeBackupPrivilege	816	TiWorker.exe
Token: SeRestorePrivilege	816	TiWorker.exe
Token: SeSecurityPrivilege	816	TiWorker.exe
Token: SeBackupPrivilege	816	TiWorker.exe
Token: SeRestorePrivilege	816	TiWorker.exe
Token: SeSecurityPrivilege	816	TiWorker.exe
Token: SeBackupPrivilege	816	TiWorker.exe
Token: SeRestorePrivilege	816	TiWorker.exe
Token: SeSecurityPrivilege	816	TiWorker.exe
Token: SeBackupPrivilege	816	TiWorker.exe
Token: SeRestorePrivilege	816	TiWorker.exe
Token: SeSecurityPrivilege	816	TiWorker.exe
Token: SeBackupPrivilege	816	TiWorker.exe
Token: SeRestorePrivilege	816	TiWorker.exe
Token: SeSecurityPrivilege	816	TiWorker.exe
Token: SeBackupPrivilege	816	TiWorker.exe
Token: SeRestorePrivilege	816	TiWorker.exe
Token: SeSecurityPrivilege	816	TiWorker.exe
Token: SeBackupPrivilege	816	TiWorker.exe
Token: SeRestorePrivilege	816	TiWorker.exe
Token: SeSecurityPrivilege	816	TiWorker.exe
Token: SeBackupPrivilege	816	TiWorker.exe
Token: SeRestorePrivilege	816	TiWorker.exe
Token: SeSecurityPrivilege	816	TiWorker.exe
Token: SeBackupPrivilege	816	TiWorker.exe
Token: SeRestorePrivilege	816	TiWorker.exe
Token: SeSecurityPrivilege	816	TiWorker.exe
Token: SeBackupPrivilege	816	TiWorker.exe
Token: SeRestorePrivilege	816	TiWorker.exe
Token: SeSecurityPrivilege	816	TiWorker.exe
Token: SeBackupPrivilege	816	TiWorker.exe
Token: SeRestorePrivilege	816	TiWorker.exe
Token: SeSecurityPrivilege	816	TiWorker.exe
Token: SeBackupPrivilege	816	TiWorker.exe
Token: SeRestorePrivilege	816	TiWorker.exe
Token: SeSecurityPrivilege	816	TiWorker.exe
Token: SeBackupPrivilege	816	TiWorker.exe
Token: SeRestorePrivilege	816	TiWorker.exe
Token: SeSecurityPrivilege	816	TiWorker.exe
Token: SeBackupPrivilege	816	TiWorker.exe
Token: SeRestorePrivilege	816	TiWorker.exe
Token: SeSecurityPrivilege	816	TiWorker.exe
Token: SeBackupPrivilege	816	TiWorker.exe
Token: SeRestorePrivilege	816	TiWorker.exe
Token: SeSecurityPrivilege	816	TiWorker.exe
Token: SeBackupPrivilege	816	TiWorker.exe
Token: SeRestorePrivilege	816	TiWorker.exe
Token: SeSecurityPrivilege	816	TiWorker.exe
Token: SeBackupPrivilege	816	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

04febef830732ae91908ad41a55c2ac8c8972cf0d584411afd7d7fc22c8da5c6.execmd.exe

description	pid	process	target process
PID 2616 wrote to memory of 2344	2616	04febef830732ae91908ad41a55c2ac8c8972cf0d584411afd7d7fc22c8da5c6.exe	MediaCenter.exe
PID 2616 wrote to memory of 2344	2616	04febef830732ae91908ad41a55c2ac8c8972cf0d584411afd7d7fc22c8da5c6.exe	MediaCenter.exe
PID 2616 wrote to memory of 2344	2616	04febef830732ae91908ad41a55c2ac8c8972cf0d584411afd7d7fc22c8da5c6.exe	MediaCenter.exe
PID 2616 wrote to memory of 3152	2616	04febef830732ae91908ad41a55c2ac8c8972cf0d584411afd7d7fc22c8da5c6.exe	cmd.exe
PID 2616 wrote to memory of 3152	2616	04febef830732ae91908ad41a55c2ac8c8972cf0d584411afd7d7fc22c8da5c6.exe	cmd.exe
PID 2616 wrote to memory of 3152	2616	04febef830732ae91908ad41a55c2ac8c8972cf0d584411afd7d7fc22c8da5c6.exe	cmd.exe
PID 3152 wrote to memory of 992	3152	cmd.exe	PING.EXE
PID 3152 wrote to memory of 992	3152	cmd.exe	PING.EXE
PID 3152 wrote to memory of 992	3152	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\04febef830732ae91908ad41a55c2ac8c8972cf0d584411afd7d7fc22c8da5c6.exe
"C:\Users\Admin\AppData\Local\Temp\04febef830732ae91908ad41a55c2ac8c8972cf0d584411afd7d7fc22c8da5c6.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2616

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2344

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\04febef830732ae91908ad41a55c2ac8c8972cf0d584411afd7d7fc22c8da5c6.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3152

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:992

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3452

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:816

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
dccbd08a9763291d48762bb890c82f9c

SHA1
cfd6b5a51537e424aed66588cfe4819e91349571

SHA256
197d4e605954f36baaf1ca7066891e5516f83dae26e8b1d64c13b89c47a42449

SHA512
6fa1203af360723fc77f388b3efbc55f33d5e107c08677b8efcada6de167f2d44530163e9dc9338ded4329462fb1d1013d7cbbc264d692844695e0d46fe81048

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
dccbd08a9763291d48762bb890c82f9c

SHA1
cfd6b5a51537e424aed66588cfe4819e91349571

SHA256
197d4e605954f36baaf1ca7066891e5516f83dae26e8b1d64c13b89c47a42449

SHA512
6fa1203af360723fc77f388b3efbc55f33d5e107c08677b8efcada6de167f2d44530163e9dc9338ded4329462fb1d1013d7cbbc264d692844695e0d46fe81048

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads