sakula | 17a09281cd4b347ab6d5fd64bcc7c253059f9fb1138d275fdfa16667ce9e9d35

General

Target

17a09281cd4b347ab6d5fd64bcc7c253059f9fb1138d275fdfa16667ce9e9d35.exe
Size

120KB
MD5

a5ca22aeb159c608b06d7e6be94fcb14
SHA1

386fe022503c9dd4713cf67bf6a64d308cca5106
SHA256

17a09281cd4b347ab6d5fd64bcc7c253059f9fb1138d275fdfa16667ce9e9d35
SHA512

3b2c6202cc4d474f2c6f00c993de6c2b1992f23efe539cbb7e3d5fe019efff0a8122f1716fb8369ac78bc2868f3155b1a3c45c5b1eb4e8007662b7fb3e42fdcf

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 3 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
behavioral2/memory/2564-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

2660 MediaCenter.exe

pid	process
2660	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:

17a09281cd4b347ab6d5fd64bcc7c253059f9fb1138d275fdfa16667ce9e9d35.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	17a09281cd4b347ab6d5fd64bcc7c253059f9fb1138d275fdfa16667ce9e9d35.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

17a09281cd4b347ab6d5fd64bcc7c253059f9fb1138d275fdfa16667ce9e9d35.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"	17a09281cd4b347ab6d5fd64bcc7c253059f9fb1138d275fdfa16667ce9e9d35.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 49 IoCs

Processes:

svchost.exe

description	ioc	process
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\CacheSizeBytes = "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\NormalDownloadCount = "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\DownloadMonthlyLinkLocalBytes = "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
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4172"	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\SwarmCount = "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 = "0.311916"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.500780"	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\MonthID = "2"	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\MemoryUsageKB = "4112"	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\InternetConnectionCount = "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\DownloadMonthlyRateBkBps = "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\UploadMonthlyInternetBytes = "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\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892864963863663"	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\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\Config\DODownloadMode = "1"	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\SwarmCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.068097"	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\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\DownlinkUsageBps = "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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	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\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "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\LANConnectionCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3552 PING.EXE

pid	process
3552	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	3140	TiWorker.exe
Token: SeRestorePrivilege	3140	TiWorker.exe
Token: SeBackupPrivilege	3140	TiWorker.exe
Token: SeBackupPrivilege	3140	TiWorker.exe
Token: SeRestorePrivilege	3140	TiWorker.exe
Token: SeSecurityPrivilege	3140	TiWorker.exe
Token: SeBackupPrivilege	3140	TiWorker.exe
Token: SeRestorePrivilege	3140	TiWorker.exe
Token: SeSecurityPrivilege	3140	TiWorker.exe
Token: SeBackupPrivilege	3140	TiWorker.exe
Token: SeRestorePrivilege	3140	TiWorker.exe
Token: SeSecurityPrivilege	3140	TiWorker.exe
Token: SeBackupPrivilege	3140	TiWorker.exe
Token: SeRestorePrivilege	3140	TiWorker.exe
Token: SeSecurityPrivilege	3140	TiWorker.exe
Token: SeBackupPrivilege	3140	TiWorker.exe
Token: SeRestorePrivilege	3140	TiWorker.exe
Token: SeSecurityPrivilege	3140	TiWorker.exe
Token: SeBackupPrivilege	3140	TiWorker.exe
Token: SeRestorePrivilege	3140	TiWorker.exe
Token: SeSecurityPrivilege	3140	TiWorker.exe
Token: SeBackupPrivilege	3140	TiWorker.exe
Token: SeRestorePrivilege	3140	TiWorker.exe
Token: SeSecurityPrivilege	3140	TiWorker.exe
Token: SeBackupPrivilege	3140	TiWorker.exe
Token: SeRestorePrivilege	3140	TiWorker.exe
Token: SeSecurityPrivilege	3140	TiWorker.exe
Token: SeBackupPrivilege	3140	TiWorker.exe
Token: SeRestorePrivilege	3140	TiWorker.exe
Token: SeSecurityPrivilege	3140	TiWorker.exe
Token: SeBackupPrivilege	3140	TiWorker.exe
Token: SeRestorePrivilege	3140	TiWorker.exe
Token: SeSecurityPrivilege	3140	TiWorker.exe
Token: SeBackupPrivilege	3140	TiWorker.exe
Token: SeRestorePrivilege	3140	TiWorker.exe
Token: SeSecurityPrivilege	3140	TiWorker.exe
Token: SeBackupPrivilege	3140	TiWorker.exe
Token: SeRestorePrivilege	3140	TiWorker.exe
Token: SeSecurityPrivilege	3140	TiWorker.exe
Token: SeBackupPrivilege	3140	TiWorker.exe
Token: SeRestorePrivilege	3140	TiWorker.exe
Token: SeSecurityPrivilege	3140	TiWorker.exe
Token: SeBackupPrivilege	3140	TiWorker.exe
Token: SeRestorePrivilege	3140	TiWorker.exe
Token: SeSecurityPrivilege	3140	TiWorker.exe
Token: SeBackupPrivilege	3140	TiWorker.exe
Token: SeRestorePrivilege	3140	TiWorker.exe
Token: SeSecurityPrivilege	3140	TiWorker.exe
Token: SeBackupPrivilege	3140	TiWorker.exe
Token: SeRestorePrivilege	3140	TiWorker.exe
Token: SeSecurityPrivilege	3140	TiWorker.exe
Token: SeBackupPrivilege	3140	TiWorker.exe
Token: SeRestorePrivilege	3140	TiWorker.exe
Token: SeSecurityPrivilege	3140	TiWorker.exe
Token: SeBackupPrivilege	3140	TiWorker.exe
Token: SeRestorePrivilege	3140	TiWorker.exe
Token: SeSecurityPrivilege	3140	TiWorker.exe
Token: SeBackupPrivilege	3140	TiWorker.exe
Token: SeRestorePrivilege	3140	TiWorker.exe
Token: SeSecurityPrivilege	3140	TiWorker.exe
Token: SeBackupPrivilege	3140	TiWorker.exe
Token: SeRestorePrivilege	3140	TiWorker.exe
Token: SeSecurityPrivilege	3140	TiWorker.exe
Token: SeBackupPrivilege	3140	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

17a09281cd4b347ab6d5fd64bcc7c253059f9fb1138d275fdfa16667ce9e9d35.execmd.exe

description	pid	process	target process
PID 2564 wrote to memory of 2660	2564	17a09281cd4b347ab6d5fd64bcc7c253059f9fb1138d275fdfa16667ce9e9d35.exe	MediaCenter.exe
PID 2564 wrote to memory of 2660	2564	17a09281cd4b347ab6d5fd64bcc7c253059f9fb1138d275fdfa16667ce9e9d35.exe	MediaCenter.exe
PID 2564 wrote to memory of 2660	2564	17a09281cd4b347ab6d5fd64bcc7c253059f9fb1138d275fdfa16667ce9e9d35.exe	MediaCenter.exe
PID 2564 wrote to memory of 3636	2564	17a09281cd4b347ab6d5fd64bcc7c253059f9fb1138d275fdfa16667ce9e9d35.exe	cmd.exe
PID 2564 wrote to memory of 3636	2564	17a09281cd4b347ab6d5fd64bcc7c253059f9fb1138d275fdfa16667ce9e9d35.exe	cmd.exe
PID 2564 wrote to memory of 3636	2564	17a09281cd4b347ab6d5fd64bcc7c253059f9fb1138d275fdfa16667ce9e9d35.exe	cmd.exe
PID 3636 wrote to memory of 3552	3636	cmd.exe	PING.EXE
PID 3636 wrote to memory of 3552	3636	cmd.exe	PING.EXE
PID 3636 wrote to memory of 3552	3636	cmd.exe	PING.EXE

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2116

C:\Users\Admin\AppData\Local\Temp\17a09281cd4b347ab6d5fd64bcc7c253059f9fb1138d275fdfa16667ce9e9d35.exe
"C:\Users\Admin\AppData\Local\Temp\17a09281cd4b347ab6d5fd64bcc7c253059f9fb1138d275fdfa16667ce9e9d35.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2564

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2660

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\17a09281cd4b347ab6d5fd64bcc7c253059f9fb1138d275fdfa16667ce9e9d35.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3636

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3552

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:3028

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:3140

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
8fa0871cb47aa2cb9a4deb178e4b2592

SHA1
ea623449ad9b586885a3edb22ce83db15775c122

SHA256
a719a4ba1e4fc9bd121168e2160fad27796086336fdd4ab99e9fdf1de125a178

SHA512
3e2577b1bc852852febb9f69c1e61fe9bfb58a614324973b39f8f28485b54093e26653bb66560363fed78a09a457a644a3ebb9330a8746018e6eb5c6060fc1e2

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

MD5
8fa0871cb47aa2cb9a4deb178e4b2592

SHA1
ea623449ad9b586885a3edb22ce83db15775c122

SHA256
a719a4ba1e4fc9bd121168e2160fad27796086336fdd4ab99e9fdf1de125a178

SHA512
3e2577b1bc852852febb9f69c1e61fe9bfb58a614324973b39f8f28485b54093e26653bb66560363fed78a09a457a644a3ebb9330a8746018e6eb5c6060fc1e2

Download Submit
memory/2564-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads