sakula | 05ea91c6339f611142c7f68a2e8fdb6cbe5a59c05238dbf67755bc7150366acc

General

Target

05ea91c6339f611142c7f68a2e8fdb6cbe5a59c05238dbf67755bc7150366acc.exe
Size

58KB
MD5

55422f9714dcd2e229f3028b7d3b5b79
SHA1

c2f2291d60c3992f2527467d968f9eb7606459e5
SHA256

05ea91c6339f611142c7f68a2e8fdb6cbe5a59c05238dbf67755bc7150366acc
SHA512

bb17f87d9503b850c6fc21cc0fe83313a2f2d203aa54b45710b81065e96480bdc5fc04b9fd14e3c3c178cf799ecc27848bcc8335690d8e922466f3e2cdf87545

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

1800 MediaCenter.exe

pid	process
1800	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:

05ea91c6339f611142c7f68a2e8fdb6cbe5a59c05238dbf67755bc7150366acc.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	05ea91c6339f611142c7f68a2e8fdb6cbe5a59c05238dbf67755bc7150366acc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

05ea91c6339f611142c7f68a2e8fdb6cbe5a59c05238dbf67755bc7150366acc.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"	05ea91c6339f611142c7f68a2e8fdb6cbe5a59c05238dbf67755bc7150366acc.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\PeerInfoCount = "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\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "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\DownloadMonthlyRateFrCnt = "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 = "132893144394935271"	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\MonthlyUploadRestriction = "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\DownloadMonthlyCdnBytes = "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\Usage\DownloadMonthlyLanBytes = "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\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\UploadMonthlyLanBytes = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.384567"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.085324"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4284"	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\DownloadMonthlyRateBkCnt = "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\DownloadMonthlyRateBkBps = "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\DownloadMonthlyLinkLocalBytes = "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\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "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 (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\SwarmCount = "1"	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\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\MemoryUsageKB = "4200"	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\BkDownloadRatePct = "45"	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 = "4088"	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\LANConnectionCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

376 PING.EXE

pid	process
376	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

05ea91c6339f611142c7f68a2e8fdb6cbe5a59c05238dbf67755bc7150366acc.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3332	05ea91c6339f611142c7f68a2e8fdb6cbe5a59c05238dbf67755bc7150366acc.exe
Token: SeSecurityPrivilege	636	TiWorker.exe
Token: SeRestorePrivilege	636	TiWorker.exe
Token: SeBackupPrivilege	636	TiWorker.exe
Token: SeBackupPrivilege	636	TiWorker.exe
Token: SeRestorePrivilege	636	TiWorker.exe
Token: SeSecurityPrivilege	636	TiWorker.exe
Token: SeBackupPrivilege	636	TiWorker.exe
Token: SeRestorePrivilege	636	TiWorker.exe
Token: SeSecurityPrivilege	636	TiWorker.exe
Token: SeBackupPrivilege	636	TiWorker.exe
Token: SeRestorePrivilege	636	TiWorker.exe
Token: SeSecurityPrivilege	636	TiWorker.exe
Token: SeBackupPrivilege	636	TiWorker.exe
Token: SeRestorePrivilege	636	TiWorker.exe
Token: SeSecurityPrivilege	636	TiWorker.exe
Token: SeBackupPrivilege	636	TiWorker.exe
Token: SeRestorePrivilege	636	TiWorker.exe
Token: SeSecurityPrivilege	636	TiWorker.exe
Token: SeBackupPrivilege	636	TiWorker.exe
Token: SeRestorePrivilege	636	TiWorker.exe
Token: SeSecurityPrivilege	636	TiWorker.exe
Token: SeBackupPrivilege	636	TiWorker.exe
Token: SeRestorePrivilege	636	TiWorker.exe
Token: SeSecurityPrivilege	636	TiWorker.exe
Token: SeBackupPrivilege	636	TiWorker.exe
Token: SeRestorePrivilege	636	TiWorker.exe
Token: SeSecurityPrivilege	636	TiWorker.exe
Token: SeBackupPrivilege	636	TiWorker.exe
Token: SeRestorePrivilege	636	TiWorker.exe
Token: SeSecurityPrivilege	636	TiWorker.exe
Token: SeBackupPrivilege	636	TiWorker.exe
Token: SeRestorePrivilege	636	TiWorker.exe
Token: SeSecurityPrivilege	636	TiWorker.exe
Token: SeBackupPrivilege	636	TiWorker.exe
Token: SeRestorePrivilege	636	TiWorker.exe
Token: SeSecurityPrivilege	636	TiWorker.exe
Token: SeBackupPrivilege	636	TiWorker.exe
Token: SeRestorePrivilege	636	TiWorker.exe
Token: SeSecurityPrivilege	636	TiWorker.exe
Token: SeBackupPrivilege	636	TiWorker.exe
Token: SeRestorePrivilege	636	TiWorker.exe
Token: SeSecurityPrivilege	636	TiWorker.exe
Token: SeBackupPrivilege	636	TiWorker.exe
Token: SeRestorePrivilege	636	TiWorker.exe
Token: SeSecurityPrivilege	636	TiWorker.exe
Token: SeBackupPrivilege	636	TiWorker.exe
Token: SeRestorePrivilege	636	TiWorker.exe
Token: SeSecurityPrivilege	636	TiWorker.exe
Token: SeBackupPrivilege	636	TiWorker.exe
Token: SeRestorePrivilege	636	TiWorker.exe
Token: SeSecurityPrivilege	636	TiWorker.exe
Token: SeBackupPrivilege	636	TiWorker.exe
Token: SeRestorePrivilege	636	TiWorker.exe
Token: SeSecurityPrivilege	636	TiWorker.exe
Token: SeBackupPrivilege	636	TiWorker.exe
Token: SeRestorePrivilege	636	TiWorker.exe
Token: SeSecurityPrivilege	636	TiWorker.exe
Token: SeBackupPrivilege	636	TiWorker.exe
Token: SeRestorePrivilege	636	TiWorker.exe
Token: SeSecurityPrivilege	636	TiWorker.exe
Token: SeBackupPrivilege	636	TiWorker.exe
Token: SeRestorePrivilege	636	TiWorker.exe
Token: SeSecurityPrivilege	636	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

05ea91c6339f611142c7f68a2e8fdb6cbe5a59c05238dbf67755bc7150366acc.execmd.exe

description	pid	process	target process
PID 3332 wrote to memory of 1800	3332	05ea91c6339f611142c7f68a2e8fdb6cbe5a59c05238dbf67755bc7150366acc.exe	MediaCenter.exe
PID 3332 wrote to memory of 1800	3332	05ea91c6339f611142c7f68a2e8fdb6cbe5a59c05238dbf67755bc7150366acc.exe	MediaCenter.exe
PID 3332 wrote to memory of 1800	3332	05ea91c6339f611142c7f68a2e8fdb6cbe5a59c05238dbf67755bc7150366acc.exe	MediaCenter.exe
PID 3332 wrote to memory of 3732	3332	05ea91c6339f611142c7f68a2e8fdb6cbe5a59c05238dbf67755bc7150366acc.exe	cmd.exe
PID 3332 wrote to memory of 3732	3332	05ea91c6339f611142c7f68a2e8fdb6cbe5a59c05238dbf67755bc7150366acc.exe	cmd.exe
PID 3332 wrote to memory of 3732	3332	05ea91c6339f611142c7f68a2e8fdb6cbe5a59c05238dbf67755bc7150366acc.exe	cmd.exe
PID 3732 wrote to memory of 376	3732	cmd.exe	PING.EXE
PID 3732 wrote to memory of 376	3732	cmd.exe	PING.EXE
PID 3732 wrote to memory of 376	3732	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\05ea91c6339f611142c7f68a2e8fdb6cbe5a59c05238dbf67755bc7150366acc.exe
"C:\Users\Admin\AppData\Local\Temp\05ea91c6339f611142c7f68a2e8fdb6cbe5a59c05238dbf67755bc7150366acc.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3332

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1800

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\05ea91c6339f611142c7f68a2e8fdb6cbe5a59c05238dbf67755bc7150366acc.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3732

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:376

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3872

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:3496

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:636

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
d0a06413130ba23e5ddaae4abf8ff8c5

SHA1
3cec327f642c17866da211ddf7cce2fc9d8a6d77

SHA256
a20480d97268f25ecef5d015c83b27213a5da63e96d136b4901ec939f10ada53

SHA512
6bc2b01fa194ee9ca9da29b0c7e8b48c567104164b336ad173e5889d72a100f446235b0d97d9b290590443c6b862d89a5dda9dc5b50c2dfdef9b209d87885e52

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
d0a06413130ba23e5ddaae4abf8ff8c5

SHA1
3cec327f642c17866da211ddf7cce2fc9d8a6d77

SHA256
a20480d97268f25ecef5d015c83b27213a5da63e96d136b4901ec939f10ada53

SHA512
6bc2b01fa194ee9ca9da29b0c7e8b48c567104164b336ad173e5889d72a100f446235b0d97d9b290590443c6b862d89a5dda9dc5b50c2dfdef9b209d87885e52

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads