sakula | 0b43c836e7241914468af3cbf7370ae5bd06d0cf5415a22fbf6de2259b188353

General

Target

0b43c836e7241914468af3cbf7370ae5bd06d0cf5415a22fbf6de2259b188353.exe
Size

92KB
MD5

9a0e4d6600f067c2509340fce2e7e224
SHA1

1162cbbebf82911b072288fcb749e890fd581cf5
SHA256

0b43c836e7241914468af3cbf7370ae5bd06d0cf5415a22fbf6de2259b188353
SHA512

3cf7468b65c3f2a29da2679e711788d96d4bbbdad5138cbd6360a6e0a6f28b91fbde5dd882514c8b5293afde752f289e069e0dcd83fd2533dd0f55465c06d896

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

2744 MediaCenter.exe

pid	process
2744	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:

0b43c836e7241914468af3cbf7370ae5bd06d0cf5415a22fbf6de2259b188353.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0b43c836e7241914468af3cbf7370ae5bd06d0cf5415a22fbf6de2259b188353.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0b43c836e7241914468af3cbf7370ae5bd06d0cf5415a22fbf6de2259b188353.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"	0b43c836e7241914468af3cbf7370ae5bd06d0cf5415a22fbf6de2259b188353.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\Config\DODownloadMode = "1"	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\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\CDNConnectionCount = "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\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\Settings	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\DownloadMonthlyRateFrCnt = "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\SwarmCount = "1"	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\SwarmCount = "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\UploadMonthlyInternetBytes = "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\MemoryUsageKB = "4228"	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\LinkLocalConnectionCount = "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\MemoryUsageKB = "4160"	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\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "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\LANConnectionCount = "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\DownloadMonthlyRateBkCnt = "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\BkDownloadRatePct = "45"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.162788"	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\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.499893"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.587418"	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\DownloadMonthlyLanBytes = "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 = "132893042355122024"	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\PriorityDownloadCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

640 PING.EXE

pid	process
640	PING.EXE

Suspicious use of AdjustPrivilegeToken 49 IoCs

Processes:

0b43c836e7241914468af3cbf7370ae5bd06d0cf5415a22fbf6de2259b188353.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2424	0b43c836e7241914468af3cbf7370ae5bd06d0cf5415a22fbf6de2259b188353.exe
Token: SeSecurityPrivilege	3700	TiWorker.exe
Token: SeRestorePrivilege	3700	TiWorker.exe
Token: SeBackupPrivilege	3700	TiWorker.exe
Token: SeBackupPrivilege	3700	TiWorker.exe
Token: SeRestorePrivilege	3700	TiWorker.exe
Token: SeSecurityPrivilege	3700	TiWorker.exe
Token: SeBackupPrivilege	3700	TiWorker.exe
Token: SeRestorePrivilege	3700	TiWorker.exe
Token: SeSecurityPrivilege	3700	TiWorker.exe
Token: SeBackupPrivilege	3700	TiWorker.exe
Token: SeRestorePrivilege	3700	TiWorker.exe
Token: SeSecurityPrivilege	3700	TiWorker.exe
Token: SeBackupPrivilege	3700	TiWorker.exe
Token: SeRestorePrivilege	3700	TiWorker.exe
Token: SeSecurityPrivilege	3700	TiWorker.exe
Token: SeBackupPrivilege	3700	TiWorker.exe
Token: SeRestorePrivilege	3700	TiWorker.exe
Token: SeSecurityPrivilege	3700	TiWorker.exe
Token: SeBackupPrivilege	3700	TiWorker.exe
Token: SeRestorePrivilege	3700	TiWorker.exe
Token: SeSecurityPrivilege	3700	TiWorker.exe
Token: SeBackupPrivilege	3700	TiWorker.exe
Token: SeRestorePrivilege	3700	TiWorker.exe
Token: SeSecurityPrivilege	3700	TiWorker.exe
Token: SeBackupPrivilege	3700	TiWorker.exe
Token: SeRestorePrivilege	3700	TiWorker.exe
Token: SeSecurityPrivilege	3700	TiWorker.exe
Token: SeBackupPrivilege	3700	TiWorker.exe
Token: SeRestorePrivilege	3700	TiWorker.exe
Token: SeSecurityPrivilege	3700	TiWorker.exe
Token: SeBackupPrivilege	3700	TiWorker.exe
Token: SeRestorePrivilege	3700	TiWorker.exe
Token: SeSecurityPrivilege	3700	TiWorker.exe
Token: SeBackupPrivilege	3700	TiWorker.exe
Token: SeRestorePrivilege	3700	TiWorker.exe
Token: SeSecurityPrivilege	3700	TiWorker.exe
Token: SeBackupPrivilege	3700	TiWorker.exe
Token: SeRestorePrivilege	3700	TiWorker.exe
Token: SeSecurityPrivilege	3700	TiWorker.exe
Token: SeBackupPrivilege	3700	TiWorker.exe
Token: SeRestorePrivilege	3700	TiWorker.exe
Token: SeSecurityPrivilege	3700	TiWorker.exe
Token: SeBackupPrivilege	3700	TiWorker.exe
Token: SeRestorePrivilege	3700	TiWorker.exe
Token: SeSecurityPrivilege	3700	TiWorker.exe
Token: SeBackupPrivilege	3700	TiWorker.exe
Token: SeRestorePrivilege	3700	TiWorker.exe
Token: SeSecurityPrivilege	3700	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0b43c836e7241914468af3cbf7370ae5bd06d0cf5415a22fbf6de2259b188353.execmd.exe

description	pid	process	target process
PID 2424 wrote to memory of 2744	2424	0b43c836e7241914468af3cbf7370ae5bd06d0cf5415a22fbf6de2259b188353.exe	MediaCenter.exe
PID 2424 wrote to memory of 2744	2424	0b43c836e7241914468af3cbf7370ae5bd06d0cf5415a22fbf6de2259b188353.exe	MediaCenter.exe
PID 2424 wrote to memory of 2744	2424	0b43c836e7241914468af3cbf7370ae5bd06d0cf5415a22fbf6de2259b188353.exe	MediaCenter.exe
PID 2424 wrote to memory of 240	2424	0b43c836e7241914468af3cbf7370ae5bd06d0cf5415a22fbf6de2259b188353.exe	cmd.exe
PID 2424 wrote to memory of 240	2424	0b43c836e7241914468af3cbf7370ae5bd06d0cf5415a22fbf6de2259b188353.exe	cmd.exe
PID 2424 wrote to memory of 240	2424	0b43c836e7241914468af3cbf7370ae5bd06d0cf5415a22fbf6de2259b188353.exe	cmd.exe
PID 240 wrote to memory of 640	240	cmd.exe	PING.EXE
PID 240 wrote to memory of 640	240	cmd.exe	PING.EXE
PID 240 wrote to memory of 640	240	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0b43c836e7241914468af3cbf7370ae5bd06d0cf5415a22fbf6de2259b188353.exe
"C:\Users\Admin\AppData\Local\Temp\0b43c836e7241914468af3cbf7370ae5bd06d0cf5415a22fbf6de2259b188353.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2424

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2744

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0b43c836e7241914468af3cbf7370ae5bd06d0cf5415a22fbf6de2259b188353.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:240

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:640

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1764

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:3248

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:3700

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

MD5
38eb28d19aa34af88fd1ffa6f3a19b9a

SHA1
ba279e074f58a56029a1d16b0919abf744765a21

SHA256
531e4b7f7d280f070a7a7e282c21be9a53bbc1a8cb2825ed79f7d6edb7d37078

SHA512
743f7fd6b71b74e3026054d0e34d29edea3e62d4e92fa26350fb64ccd0cc1094e108f2be931a522e7a9dc22792a8effdb941dd0e8c5535c9cea94ed1cf0bd30b

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

MD5
38eb28d19aa34af88fd1ffa6f3a19b9a

SHA1
ba279e074f58a56029a1d16b0919abf744765a21

SHA256
531e4b7f7d280f070a7a7e282c21be9a53bbc1a8cb2825ed79f7d6edb7d37078

SHA512
743f7fd6b71b74e3026054d0e34d29edea3e62d4e92fa26350fb64ccd0cc1094e108f2be931a522e7a9dc22792a8effdb941dd0e8c5535c9cea94ed1cf0bd30b

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads