sakula | 18ae5071dfd38688d7fa230c6757ae0e6a503f44d99b5f20dd6c7c553915e335

General

Target

18ae5071dfd38688d7fa230c6757ae0e6a503f44d99b5f20dd6c7c553915e335.exe
Size

192KB
MD5

b5b2c4d0ac62bec199cb28bd261040a2
SHA1

a2d40d1ce439828bd6086a1938b475b0deef16d7
SHA256

18ae5071dfd38688d7fa230c6757ae0e6a503f44d99b5f20dd6c7c553915e335
SHA512

763133812230ba19d27a2cd92538117ff57a1c714184e868798dc5f7c67013163f1d2a9735ade755829e5e7baa7d4099a0f0cc801508081d8ef4f334cf5fa8eb

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

2816 MediaCenter.exe

pid	process
2816	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:

18ae5071dfd38688d7fa230c6757ae0e6a503f44d99b5f20dd6c7c553915e335.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	18ae5071dfd38688d7fa230c6757ae0e6a503f44d99b5f20dd6c7c553915e335.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

18ae5071dfd38688d7fa230c6757ae0e6a503f44d99b5f20dd6c7c553915e335.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"	18ae5071dfd38688d7fa230c6757ae0e6a503f44d99b5f20dd6c7c553915e335.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\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\SwarmCount = "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\DownloadMonthlyCacheHostBytes = "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\DownloadMonthlyRateBkCnt = "0"	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\Usage	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\PriorityDownloadPendingCount = "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\DownlinkUsageBps = "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\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\DownloadMonthlyRateBkBps = "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\UploadCount = "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\MonthlyUploadRestriction = "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\PriorityDownloadCount = "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\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\Usage\PeerInfoCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.823284"	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\Config\DownloadMode_BackCompat = "1"	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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.572336"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4068"	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 = "132892851513988594"	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\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4272"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "10.001895"	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\DownloadMonthlyLanBytes = "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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3580 PING.EXE

pid	process
3580	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

18ae5071dfd38688d7fa230c6757ae0e6a503f44d99b5f20dd6c7c553915e335.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1824	18ae5071dfd38688d7fa230c6757ae0e6a503f44d99b5f20dd6c7c553915e335.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe
Token: SeBackupPrivilege	2980	TiWorker.exe
Token: SeRestorePrivilege	2980	TiWorker.exe
Token: SeSecurityPrivilege	2980	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

18ae5071dfd38688d7fa230c6757ae0e6a503f44d99b5f20dd6c7c553915e335.execmd.exe

description	pid	process	target process
PID 1824 wrote to memory of 2816	1824	18ae5071dfd38688d7fa230c6757ae0e6a503f44d99b5f20dd6c7c553915e335.exe	MediaCenter.exe
PID 1824 wrote to memory of 2816	1824	18ae5071dfd38688d7fa230c6757ae0e6a503f44d99b5f20dd6c7c553915e335.exe	MediaCenter.exe
PID 1824 wrote to memory of 2816	1824	18ae5071dfd38688d7fa230c6757ae0e6a503f44d99b5f20dd6c7c553915e335.exe	MediaCenter.exe
PID 1824 wrote to memory of 3980	1824	18ae5071dfd38688d7fa230c6757ae0e6a503f44d99b5f20dd6c7c553915e335.exe	cmd.exe
PID 1824 wrote to memory of 3980	1824	18ae5071dfd38688d7fa230c6757ae0e6a503f44d99b5f20dd6c7c553915e335.exe	cmd.exe
PID 1824 wrote to memory of 3980	1824	18ae5071dfd38688d7fa230c6757ae0e6a503f44d99b5f20dd6c7c553915e335.exe	cmd.exe
PID 3980 wrote to memory of 3580	3980	cmd.exe	PING.EXE
PID 3980 wrote to memory of 3580	3980	cmd.exe	PING.EXE
PID 3980 wrote to memory of 3580	3980	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\18ae5071dfd38688d7fa230c6757ae0e6a503f44d99b5f20dd6c7c553915e335.exe
"C:\Users\Admin\AppData\Local\Temp\18ae5071dfd38688d7fa230c6757ae0e6a503f44d99b5f20dd6c7c553915e335.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1824

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2816

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\18ae5071dfd38688d7fa230c6757ae0e6a503f44d99b5f20dd6c7c553915e335.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3980

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3580

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2884

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:1916

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:2980

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
847c2f0df0c94ce2976cba0315a7eeda

SHA1
ac4d80544a2cc53099e0d23557772de96b4ac9f5

SHA256
0620916fb8904a91279fbfd1d4c0685f85191b6fff7c9f54108509e40046f301

SHA512
e32cfbd446ca1fa9dfc2bc7b09d36c9441a2a0d7b3dc5b47bef7fd455b1893d12693ef11e790cb9d79a0d2aee79ce7ac1822297b279439ed84ac3eef4a4e6c1f

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

MD5
847c2f0df0c94ce2976cba0315a7eeda

SHA1
ac4d80544a2cc53099e0d23557772de96b4ac9f5

SHA256
0620916fb8904a91279fbfd1d4c0685f85191b6fff7c9f54108509e40046f301

SHA512
e32cfbd446ca1fa9dfc2bc7b09d36c9441a2a0d7b3dc5b47bef7fd455b1893d12693ef11e790cb9d79a0d2aee79ce7ac1822297b279439ed84ac3eef4a4e6c1f

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads