sakula | 122515ebd1e15a406f1fb8846de97ed0f9b50b6ca899bc0be5bc79e60153d621

General

Target

122515ebd1e15a406f1fb8846de97ed0f9b50b6ca899bc0be5bc79e60153d621.exe
Size

150KB
MD5

ef3c1c7dfb74da44143bdf481fc76a07
SHA1

e3596d59da66e94561c8ac364b659e56a4f12df7
SHA256

122515ebd1e15a406f1fb8846de97ed0f9b50b6ca899bc0be5bc79e60153d621
SHA512

2c37329ba5e6c85a7b6a569b228cdb754b04464c4fc6400105920bc73fd8d283e6a1563e51047e2d1fdb89b50fbbf0d1d4ac94eaa19bd5bc60ab3781abe48400

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

3512 MediaCenter.exe

pid	process
3512	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:

122515ebd1e15a406f1fb8846de97ed0f9b50b6ca899bc0be5bc79e60153d621.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	122515ebd1e15a406f1fb8846de97ed0f9b50b6ca899bc0be5bc79e60153d621.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

122515ebd1e15a406f1fb8846de97ed0f9b50b6ca899bc0be5bc79e60153d621.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"	122515ebd1e15a406f1fb8846de97ed0f9b50b6ca899bc0be5bc79e60153d621.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\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\CDNConnectionCount = "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\UplinkUsageBps = "0"	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\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\NormalDownloadPendingCount = "0"	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\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892944247311085"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.604478"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "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\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "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\Config\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.098111"	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\DownloadMonthlyLinkLocalBytes = "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\BkDownloadRatePct = "45"	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\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4296"	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\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\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\CacheSizeBytes = "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\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\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 = "4104"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

972 PING.EXE

pid	process
972	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

122515ebd1e15a406f1fb8846de97ed0f9b50b6ca899bc0be5bc79e60153d621.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1812	122515ebd1e15a406f1fb8846de97ed0f9b50b6ca899bc0be5bc79e60153d621.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe
Token: SeBackupPrivilege	2156	TiWorker.exe
Token: SeRestorePrivilege	2156	TiWorker.exe
Token: SeSecurityPrivilege	2156	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

122515ebd1e15a406f1fb8846de97ed0f9b50b6ca899bc0be5bc79e60153d621.execmd.exe

description	pid	process	target process
PID 1812 wrote to memory of 3512	1812	122515ebd1e15a406f1fb8846de97ed0f9b50b6ca899bc0be5bc79e60153d621.exe	MediaCenter.exe
PID 1812 wrote to memory of 3512	1812	122515ebd1e15a406f1fb8846de97ed0f9b50b6ca899bc0be5bc79e60153d621.exe	MediaCenter.exe
PID 1812 wrote to memory of 3512	1812	122515ebd1e15a406f1fb8846de97ed0f9b50b6ca899bc0be5bc79e60153d621.exe	MediaCenter.exe
PID 1812 wrote to memory of 4012	1812	122515ebd1e15a406f1fb8846de97ed0f9b50b6ca899bc0be5bc79e60153d621.exe	cmd.exe
PID 1812 wrote to memory of 4012	1812	122515ebd1e15a406f1fb8846de97ed0f9b50b6ca899bc0be5bc79e60153d621.exe	cmd.exe
PID 1812 wrote to memory of 4012	1812	122515ebd1e15a406f1fb8846de97ed0f9b50b6ca899bc0be5bc79e60153d621.exe	cmd.exe
PID 4012 wrote to memory of 972	4012	cmd.exe	PING.EXE
PID 4012 wrote to memory of 972	4012	cmd.exe	PING.EXE
PID 4012 wrote to memory of 972	4012	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\122515ebd1e15a406f1fb8846de97ed0f9b50b6ca899bc0be5bc79e60153d621.exe
"C:\Users\Admin\AppData\Local\Temp\122515ebd1e15a406f1fb8846de97ed0f9b50b6ca899bc0be5bc79e60153d621.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1812

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3512

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\122515ebd1e15a406f1fb8846de97ed0f9b50b6ca899bc0be5bc79e60153d621.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4012

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:972

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1004

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:3812

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:2156

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
b5021af1d7279c41cfac41285ace6fa6

SHA1
f08128a467a3fd436d05230df4ffe344a204cb0d

SHA256
f176ad558558629d9bd8069bb6e31eb4edbee06e9fcf9630956dbc9be14ef5cb

SHA512
a067f1f8be0f0eab4a4153d921ba35b0579b9b61d70d155a5ada301203d87b1c762c0e2bea21a15ff804a0ce9691ab3d45fd0ed20d761d3fd7d6f727e26a046d

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

MD5
b5021af1d7279c41cfac41285ace6fa6

SHA1
f08128a467a3fd436d05230df4ffe344a204cb0d

SHA256
f176ad558558629d9bd8069bb6e31eb4edbee06e9fcf9630956dbc9be14ef5cb

SHA512
a067f1f8be0f0eab4a4153d921ba35b0579b9b61d70d155a5ada301203d87b1c762c0e2bea21a15ff804a0ce9691ab3d45fd0ed20d761d3fd7d6f727e26a046d

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads