sakula | 042e4c07c8507b7c3d0804f2084125ceb78e43fdc53918d2eb801716a4e38f03

General

Target

042e4c07c8507b7c3d0804f2084125ceb78e43fdc53918d2eb801716a4e38f03.exe
Size

80KB
MD5

7feadbd8f648090e2c3cb1d63ef4ac8b
SHA1

3f5c7d7b2d4814a1156be57c74a3685bc7786bf7
SHA256

042e4c07c8507b7c3d0804f2084125ceb78e43fdc53918d2eb801716a4e38f03
SHA512

06e0434efd8a9cac4e2a528ce600a66b8b43452b2180dfa552408f6178482c653ec0962ac6f5045a1f07f8066324dd616a4b9c34c3d9e17e7cbda904138dc3e2

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

2848 MediaCenter.exe

pid	process
2848	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:

042e4c07c8507b7c3d0804f2084125ceb78e43fdc53918d2eb801716a4e38f03.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	042e4c07c8507b7c3d0804f2084125ceb78e43fdc53918d2eb801716a4e38f03.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

042e4c07c8507b7c3d0804f2084125ceb78e43fdc53918d2eb801716a4e38f03.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"	042e4c07c8507b7c3d0804f2084125ceb78e43fdc53918d2eb801716a4e38f03.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 50 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "11.109381"	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\Usage\SwarmCount = "1"	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\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\UploadMonthlyLanBytes = "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\DownloadMonthlyRateFrBps = "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\NormalDownloadCount = "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\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\DownloadMonthlyRateBkCnt = "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\DownlinkUsageBps = "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\Config	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\Config\DODownloadMode = "1"	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 = "5.555842"	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\PeerInfoCount = "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\GroupConnectionCount = "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\UploadCount = "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 = "4068"	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\Config\KVFileExpirationTime = "132893156184737034"	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\UplinkUsageBps = "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\MemoryUsageKB = "4300"	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\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.096512"	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\MemoryUsageKB = "4316"	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\LANConnectionCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3584 PING.EXE

pid	process
3584	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe042e4c07c8507b7c3d0804f2084125ceb78e43fdc53918d2eb801716a4e38f03.exe

description	pid	process
Token: SeSecurityPrivilege	3624	TiWorker.exe
Token: SeRestorePrivilege	3624	TiWorker.exe
Token: SeBackupPrivilege	3624	TiWorker.exe
Token: SeIncBasePriorityPrivilege	2340	042e4c07c8507b7c3d0804f2084125ceb78e43fdc53918d2eb801716a4e38f03.exe
Token: SeBackupPrivilege	3624	TiWorker.exe
Token: SeRestorePrivilege	3624	TiWorker.exe
Token: SeSecurityPrivilege	3624	TiWorker.exe
Token: SeBackupPrivilege	3624	TiWorker.exe
Token: SeRestorePrivilege	3624	TiWorker.exe
Token: SeSecurityPrivilege	3624	TiWorker.exe
Token: SeBackupPrivilege	3624	TiWorker.exe
Token: SeRestorePrivilege	3624	TiWorker.exe
Token: SeSecurityPrivilege	3624	TiWorker.exe
Token: SeBackupPrivilege	3624	TiWorker.exe
Token: SeRestorePrivilege	3624	TiWorker.exe
Token: SeSecurityPrivilege	3624	TiWorker.exe
Token: SeBackupPrivilege	3624	TiWorker.exe
Token: SeRestorePrivilege	3624	TiWorker.exe
Token: SeSecurityPrivilege	3624	TiWorker.exe
Token: SeBackupPrivilege	3624	TiWorker.exe
Token: SeRestorePrivilege	3624	TiWorker.exe
Token: SeSecurityPrivilege	3624	TiWorker.exe
Token: SeBackupPrivilege	3624	TiWorker.exe
Token: SeRestorePrivilege	3624	TiWorker.exe
Token: SeSecurityPrivilege	3624	TiWorker.exe
Token: SeBackupPrivilege	3624	TiWorker.exe
Token: SeRestorePrivilege	3624	TiWorker.exe
Token: SeSecurityPrivilege	3624	TiWorker.exe
Token: SeBackupPrivilege	3624	TiWorker.exe
Token: SeRestorePrivilege	3624	TiWorker.exe
Token: SeSecurityPrivilege	3624	TiWorker.exe
Token: SeBackupPrivilege	3624	TiWorker.exe
Token: SeRestorePrivilege	3624	TiWorker.exe
Token: SeSecurityPrivilege	3624	TiWorker.exe
Token: SeBackupPrivilege	3624	TiWorker.exe
Token: SeRestorePrivilege	3624	TiWorker.exe
Token: SeSecurityPrivilege	3624	TiWorker.exe
Token: SeBackupPrivilege	3624	TiWorker.exe
Token: SeRestorePrivilege	3624	TiWorker.exe
Token: SeSecurityPrivilege	3624	TiWorker.exe
Token: SeBackupPrivilege	3624	TiWorker.exe
Token: SeRestorePrivilege	3624	TiWorker.exe
Token: SeSecurityPrivilege	3624	TiWorker.exe
Token: SeBackupPrivilege	3624	TiWorker.exe
Token: SeRestorePrivilege	3624	TiWorker.exe
Token: SeSecurityPrivilege	3624	TiWorker.exe
Token: SeBackupPrivilege	3624	TiWorker.exe
Token: SeRestorePrivilege	3624	TiWorker.exe
Token: SeSecurityPrivilege	3624	TiWorker.exe
Token: SeBackupPrivilege	3624	TiWorker.exe
Token: SeRestorePrivilege	3624	TiWorker.exe
Token: SeSecurityPrivilege	3624	TiWorker.exe
Token: SeBackupPrivilege	3624	TiWorker.exe
Token: SeRestorePrivilege	3624	TiWorker.exe
Token: SeSecurityPrivilege	3624	TiWorker.exe
Token: SeBackupPrivilege	3624	TiWorker.exe
Token: SeRestorePrivilege	3624	TiWorker.exe
Token: SeSecurityPrivilege	3624	TiWorker.exe
Token: SeBackupPrivilege	3624	TiWorker.exe
Token: SeRestorePrivilege	3624	TiWorker.exe
Token: SeSecurityPrivilege	3624	TiWorker.exe
Token: SeBackupPrivilege	3624	TiWorker.exe
Token: SeRestorePrivilege	3624	TiWorker.exe
Token: SeSecurityPrivilege	3624	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

042e4c07c8507b7c3d0804f2084125ceb78e43fdc53918d2eb801716a4e38f03.execmd.exe

description	pid	process	target process
PID 2340 wrote to memory of 2848	2340	042e4c07c8507b7c3d0804f2084125ceb78e43fdc53918d2eb801716a4e38f03.exe	MediaCenter.exe
PID 2340 wrote to memory of 2848	2340	042e4c07c8507b7c3d0804f2084125ceb78e43fdc53918d2eb801716a4e38f03.exe	MediaCenter.exe
PID 2340 wrote to memory of 2848	2340	042e4c07c8507b7c3d0804f2084125ceb78e43fdc53918d2eb801716a4e38f03.exe	MediaCenter.exe
PID 2340 wrote to memory of 1360	2340	042e4c07c8507b7c3d0804f2084125ceb78e43fdc53918d2eb801716a4e38f03.exe	cmd.exe
PID 2340 wrote to memory of 1360	2340	042e4c07c8507b7c3d0804f2084125ceb78e43fdc53918d2eb801716a4e38f03.exe	cmd.exe
PID 2340 wrote to memory of 1360	2340	042e4c07c8507b7c3d0804f2084125ceb78e43fdc53918d2eb801716a4e38f03.exe	cmd.exe
PID 1360 wrote to memory of 3584	1360	cmd.exe	PING.EXE
PID 1360 wrote to memory of 3584	1360	cmd.exe	PING.EXE
PID 1360 wrote to memory of 3584	1360	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\042e4c07c8507b7c3d0804f2084125ceb78e43fdc53918d2eb801716a4e38f03.exe
"C:\Users\Admin\AppData\Local\Temp\042e4c07c8507b7c3d0804f2084125ceb78e43fdc53918d2eb801716a4e38f03.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2340

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2848

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\042e4c07c8507b7c3d0804f2084125ceb78e43fdc53918d2eb801716a4e38f03.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1360

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3584

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1340

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:2696

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:3624

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
be947edda4f76072cd79fd734c857b58

SHA1
3e75299bef12183efa4925e375e52f3dbe73b914

SHA256
b45d2faf4eb9de206ee60e70bde5b8640446107793a2c2609d0508166f7f5c45

SHA512
b28e9287afe706049c2ea8c794bc36ceb6edc3edc8e9a91f0e09b7a864425f392e28edbeb46e374febdc1c2f29a4b7c96d0e02b98d92f16dec635a2da589941a

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
be947edda4f76072cd79fd734c857b58

SHA1
3e75299bef12183efa4925e375e52f3dbe73b914

SHA256
b45d2faf4eb9de206ee60e70bde5b8640446107793a2c2609d0508166f7f5c45

SHA512
b28e9287afe706049c2ea8c794bc36ceb6edc3edc8e9a91f0e09b7a864425f392e28edbeb46e374febdc1c2f29a4b7c96d0e02b98d92f16dec635a2da589941a

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads