sakula | 1805141678c461ebbb94dec343296d299a3b1f7de8f9d4bc90c91b4db9dcfeff

General

Target

1805141678c461ebbb94dec343296d299a3b1f7de8f9d4bc90c91b4db9dcfeff.exe
Size

89KB
MD5

cb5fbf9ffaeae44dd4b427e920475420
SHA1

eee41581fcfd24194671660f27b5c53f68e541ee
SHA256

1805141678c461ebbb94dec343296d299a3b1f7de8f9d4bc90c91b4db9dcfeff
SHA512

d1257b93647dbb7a968d1b735544b537cdf497796d52b00b07a78eb50974e229cbb346f649a4d97fd44499f0c790bfa620550a2f51c891877a0fca06f52465d1

Score

10^/10

sakula persistence rat suricata 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

suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

1532 MediaCenter.exe

pid	process
1532	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:

1805141678c461ebbb94dec343296d299a3b1f7de8f9d4bc90c91b4db9dcfeff.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1805141678c461ebbb94dec343296d299a3b1f7de8f9d4bc90c91b4db9dcfeff.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1805141678c461ebbb94dec343296d299a3b1f7de8f9d4bc90c91b4db9dcfeff.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"	1805141678c461ebbb94dec343296d299a3b1f7de8f9d4bc90c91b4db9dcfeff.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 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\LANConnectionCount = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.107650"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	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\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4280"	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\NormalDownloadCount = "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\UploadMonthlyLanBytes = "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\PeerInfoCount = "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 = "4032"	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\KVFileExpirationTime = "132892859734210280"	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\DownlinkUsageBps = "0"	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 = "0.000000"	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\DownloadMonthlyCacheHostBytes = "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\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\FrDownloadRatePct = "90"	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\NormalDownloadPendingCount = "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\DownloadMonthlyInternetBytes = "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\MonthID = "2"	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\LinkLocalConnectionCount = "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\BkDownloadRatePct = "45"	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\DownloadMonthlyRateFrBps = "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\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo"	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 = "0.126222"	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\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3632 PING.EXE

pid	process
3632	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

1805141678c461ebbb94dec343296d299a3b1f7de8f9d4bc90c91b4db9dcfeff.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3476	1805141678c461ebbb94dec343296d299a3b1f7de8f9d4bc90c91b4db9dcfeff.exe
Token: SeSecurityPrivilege	3504	TiWorker.exe
Token: SeRestorePrivilege	3504	TiWorker.exe
Token: SeBackupPrivilege	3504	TiWorker.exe
Token: SeBackupPrivilege	3504	TiWorker.exe
Token: SeRestorePrivilege	3504	TiWorker.exe
Token: SeSecurityPrivilege	3504	TiWorker.exe
Token: SeBackupPrivilege	3504	TiWorker.exe
Token: SeRestorePrivilege	3504	TiWorker.exe
Token: SeSecurityPrivilege	3504	TiWorker.exe
Token: SeBackupPrivilege	3504	TiWorker.exe
Token: SeRestorePrivilege	3504	TiWorker.exe
Token: SeSecurityPrivilege	3504	TiWorker.exe
Token: SeBackupPrivilege	3504	TiWorker.exe
Token: SeRestorePrivilege	3504	TiWorker.exe
Token: SeSecurityPrivilege	3504	TiWorker.exe
Token: SeBackupPrivilege	3504	TiWorker.exe
Token: SeRestorePrivilege	3504	TiWorker.exe
Token: SeSecurityPrivilege	3504	TiWorker.exe
Token: SeBackupPrivilege	3504	TiWorker.exe
Token: SeRestorePrivilege	3504	TiWorker.exe
Token: SeSecurityPrivilege	3504	TiWorker.exe
Token: SeBackupPrivilege	3504	TiWorker.exe
Token: SeRestorePrivilege	3504	TiWorker.exe
Token: SeSecurityPrivilege	3504	TiWorker.exe
Token: SeBackupPrivilege	3504	TiWorker.exe
Token: SeRestorePrivilege	3504	TiWorker.exe
Token: SeSecurityPrivilege	3504	TiWorker.exe
Token: SeBackupPrivilege	3504	TiWorker.exe
Token: SeRestorePrivilege	3504	TiWorker.exe
Token: SeSecurityPrivilege	3504	TiWorker.exe
Token: SeBackupPrivilege	3504	TiWorker.exe
Token: SeRestorePrivilege	3504	TiWorker.exe
Token: SeSecurityPrivilege	3504	TiWorker.exe
Token: SeBackupPrivilege	3504	TiWorker.exe
Token: SeRestorePrivilege	3504	TiWorker.exe
Token: SeSecurityPrivilege	3504	TiWorker.exe
Token: SeBackupPrivilege	3504	TiWorker.exe
Token: SeRestorePrivilege	3504	TiWorker.exe
Token: SeSecurityPrivilege	3504	TiWorker.exe
Token: SeBackupPrivilege	3504	TiWorker.exe
Token: SeRestorePrivilege	3504	TiWorker.exe
Token: SeSecurityPrivilege	3504	TiWorker.exe
Token: SeBackupPrivilege	3504	TiWorker.exe
Token: SeRestorePrivilege	3504	TiWorker.exe
Token: SeSecurityPrivilege	3504	TiWorker.exe
Token: SeBackupPrivilege	3504	TiWorker.exe
Token: SeRestorePrivilege	3504	TiWorker.exe
Token: SeSecurityPrivilege	3504	TiWorker.exe
Token: SeBackupPrivilege	3504	TiWorker.exe
Token: SeRestorePrivilege	3504	TiWorker.exe
Token: SeSecurityPrivilege	3504	TiWorker.exe
Token: SeBackupPrivilege	3504	TiWorker.exe
Token: SeRestorePrivilege	3504	TiWorker.exe
Token: SeSecurityPrivilege	3504	TiWorker.exe
Token: SeBackupPrivilege	3504	TiWorker.exe
Token: SeRestorePrivilege	3504	TiWorker.exe
Token: SeSecurityPrivilege	3504	TiWorker.exe
Token: SeBackupPrivilege	3504	TiWorker.exe
Token: SeRestorePrivilege	3504	TiWorker.exe
Token: SeSecurityPrivilege	3504	TiWorker.exe
Token: SeBackupPrivilege	3504	TiWorker.exe
Token: SeRestorePrivilege	3504	TiWorker.exe
Token: SeSecurityPrivilege	3504	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1805141678c461ebbb94dec343296d299a3b1f7de8f9d4bc90c91b4db9dcfeff.execmd.exe

description	pid	process	target process
PID 3476 wrote to memory of 1532	3476	1805141678c461ebbb94dec343296d299a3b1f7de8f9d4bc90c91b4db9dcfeff.exe	MediaCenter.exe
PID 3476 wrote to memory of 1532	3476	1805141678c461ebbb94dec343296d299a3b1f7de8f9d4bc90c91b4db9dcfeff.exe	MediaCenter.exe
PID 3476 wrote to memory of 1532	3476	1805141678c461ebbb94dec343296d299a3b1f7de8f9d4bc90c91b4db9dcfeff.exe	MediaCenter.exe
PID 3476 wrote to memory of 3968	3476	1805141678c461ebbb94dec343296d299a3b1f7de8f9d4bc90c91b4db9dcfeff.exe	cmd.exe
PID 3476 wrote to memory of 3968	3476	1805141678c461ebbb94dec343296d299a3b1f7de8f9d4bc90c91b4db9dcfeff.exe	cmd.exe
PID 3476 wrote to memory of 3968	3476	1805141678c461ebbb94dec343296d299a3b1f7de8f9d4bc90c91b4db9dcfeff.exe	cmd.exe
PID 3968 wrote to memory of 3632	3968	cmd.exe	PING.EXE
PID 3968 wrote to memory of 3632	3968	cmd.exe	PING.EXE
PID 3968 wrote to memory of 3632	3968	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1805141678c461ebbb94dec343296d299a3b1f7de8f9d4bc90c91b4db9dcfeff.exe
"C:\Users\Admin\AppData\Local\Temp\1805141678c461ebbb94dec343296d299a3b1f7de8f9d4bc90c91b4db9dcfeff.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3476

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1532

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1805141678c461ebbb94dec343296d299a3b1f7de8f9d4bc90c91b4db9dcfeff.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3968

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3632

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3420

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:3872

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:3504

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
04cff812f2e1c0a60539607d0af87253

SHA1
ca4d53f387963a9922b6830f8e4e3d39d97113c9

SHA256
9369c2afac2c3c5b0f3601eb27d2fc319d61f8defbab1d48859ecba0de8bc6ba

SHA512
00da2743e10cc67ed652ebc13dbd5e36868467c627e576fc4237b82947dfeff5447b4357b5c87a800c09866b93d93dba57719db04ddb80fe4532ed1b9364323b

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

MD5
04cff812f2e1c0a60539607d0af87253

SHA1
ca4d53f387963a9922b6830f8e4e3d39d97113c9

SHA256
9369c2afac2c3c5b0f3601eb27d2fc319d61f8defbab1d48859ecba0de8bc6ba

SHA512
00da2743e10cc67ed652ebc13dbd5e36868467c627e576fc4237b82947dfeff5447b4357b5c87a800c09866b93d93dba57719db04ddb80fe4532ed1b9364323b

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads