sakula | 0c6fb3310af51d4c7d6e07310c9071f1a1e6a0466a4c439f35b665064c7f4fb3

General

Target

0c6fb3310af51d4c7d6e07310c9071f1a1e6a0466a4c439f35b665064c7f4fb3.exe
Size

80KB
MD5

7b5f0653feb0039d983294ec95540060
SHA1

1c65b55de285009beecbbce0df811bad3d7d281d
SHA256

0c6fb3310af51d4c7d6e07310c9071f1a1e6a0466a4c439f35b665064c7f4fb3
SHA512

5ca7cbc3f9f794d0d5a34f38d96f1569d05371751362a4b37e3a9ee4384a34fe0339296575d2ba35e77e5e103d6d0f477d01ccdce2f4a68db540d35fbb50b06d

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

2696 MediaCenter.exe

pid	process
2696	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:

0c6fb3310af51d4c7d6e07310c9071f1a1e6a0466a4c439f35b665064c7f4fb3.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0c6fb3310af51d4c7d6e07310c9071f1a1e6a0466a4c439f35b665064c7f4fb3.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0c6fb3310af51d4c7d6e07310c9071f1a1e6a0466a4c439f35b665064c7f4fb3.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"	0c6fb3310af51d4c7d6e07310c9071f1a1e6a0466a4c439f35b665064c7f4fb3.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 48 IoCs

Processes:

svchost.exe

description	ioc	process
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\FrDownloadRatePct = "90"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	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\DownloadMonthlyLanBytes = "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\DownloadMonthlyRateBkCnt = "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\MemoryUsageKB = "4312"	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\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyGroupBytes = "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\Config\DODownloadMode = "1"	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\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.272713"	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\UploadMonthlyInternetBytes = "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 = "132893025692815485"	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\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "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\DownloadMonthlyCdnBytes = "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\LinkLocalConnectionCount = "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\PriorityDownloadCount = "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 = "4100"	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\UploadMonthlyLanBytes = "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\CacheSizeBytes = "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\GroupConnectionCount = "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\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\NormalDownloadPendingCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3144 PING.EXE

pid	process
3144	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe0c6fb3310af51d4c7d6e07310c9071f1a1e6a0466a4c439f35b665064c7f4fb3.exe

description	pid	process
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeIncBasePriorityPrivilege	1188	0c6fb3310af51d4c7d6e07310c9071f1a1e6a0466a4c439f35b665064c7f4fb3.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe
Token: SeBackupPrivilege	3832	TiWorker.exe
Token: SeRestorePrivilege	3832	TiWorker.exe
Token: SeSecurityPrivilege	3832	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0c6fb3310af51d4c7d6e07310c9071f1a1e6a0466a4c439f35b665064c7f4fb3.execmd.exe

description	pid	process	target process
PID 1188 wrote to memory of 2696	1188	0c6fb3310af51d4c7d6e07310c9071f1a1e6a0466a4c439f35b665064c7f4fb3.exe	MediaCenter.exe
PID 1188 wrote to memory of 2696	1188	0c6fb3310af51d4c7d6e07310c9071f1a1e6a0466a4c439f35b665064c7f4fb3.exe	MediaCenter.exe
PID 1188 wrote to memory of 2696	1188	0c6fb3310af51d4c7d6e07310c9071f1a1e6a0466a4c439f35b665064c7f4fb3.exe	MediaCenter.exe
PID 1188 wrote to memory of 516	1188	0c6fb3310af51d4c7d6e07310c9071f1a1e6a0466a4c439f35b665064c7f4fb3.exe	cmd.exe
PID 1188 wrote to memory of 516	1188	0c6fb3310af51d4c7d6e07310c9071f1a1e6a0466a4c439f35b665064c7f4fb3.exe	cmd.exe
PID 1188 wrote to memory of 516	1188	0c6fb3310af51d4c7d6e07310c9071f1a1e6a0466a4c439f35b665064c7f4fb3.exe	cmd.exe
PID 516 wrote to memory of 3144	516	cmd.exe	PING.EXE
PID 516 wrote to memory of 3144	516	cmd.exe	PING.EXE
PID 516 wrote to memory of 3144	516	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0c6fb3310af51d4c7d6e07310c9071f1a1e6a0466a4c439f35b665064c7f4fb3.exe
"C:\Users\Admin\AppData\Local\Temp\0c6fb3310af51d4c7d6e07310c9071f1a1e6a0466a4c439f35b665064c7f4fb3.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1188

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2696

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0c6fb3310af51d4c7d6e07310c9071f1a1e6a0466a4c439f35b665064c7f4fb3.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:516

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3144

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2576

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:2524

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:3832

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
1470f211a4b465d33bb39ac5f9229742

SHA1
80d3776165fd72ea8a6c883dc43cbe468304df5c

SHA256
21a48212c5e4210c6f861d9c3f63e2da4f4ad2d31606539ee985f17948d39853

SHA512
b729446cc1c9a76a6f12d8a98a46f7810c2330886452940403c120c8355c986b15222427c21f56abcfc812150b6db4c812c3a90cfa50e5f2655ec995f2f9917b

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

MD5
1470f211a4b465d33bb39ac5f9229742

SHA1
80d3776165fd72ea8a6c883dc43cbe468304df5c

SHA256
21a48212c5e4210c6f861d9c3f63e2da4f4ad2d31606539ee985f17948d39853

SHA512
b729446cc1c9a76a6f12d8a98a46f7810c2330886452940403c120c8355c986b15222427c21f56abcfc812150b6db4c812c3a90cfa50e5f2655ec995f2f9917b

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads