sakula | 0a73891bdc4d9f25fb9d8aa27aef0ed474a5fbac2b435dc12ed7792d8bbe5947

General

Target

0a73891bdc4d9f25fb9d8aa27aef0ed474a5fbac2b435dc12ed7792d8bbe5947.exe
Size

36KB
MD5

2f10a10bf45d5fee3a06552108a2bb27
SHA1

f40241e24e32a54127e2e21892dec873d009dfd4
SHA256

0a73891bdc4d9f25fb9d8aa27aef0ed474a5fbac2b435dc12ed7792d8bbe5947
SHA512

048b8c6a0d0a90909ae7e97c749d41509ac49132eaa4126a2d48be0dcc66ba99119dc323f2bbaf1853ccd40a90c240c2c76eed8e7385cf4e54662f9be1b72c87

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3616 MediaCenter.exe

pid	process
3616	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:

0a73891bdc4d9f25fb9d8aa27aef0ed474a5fbac2b435dc12ed7792d8bbe5947.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0a73891bdc4d9f25fb9d8aa27aef0ed474a5fbac2b435dc12ed7792d8bbe5947.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0a73891bdc4d9f25fb9d8aa27aef0ed474a5fbac2b435dc12ed7792d8bbe5947.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"	0a73891bdc4d9f25fb9d8aa27aef0ed474a5fbac2b435dc12ed7792d8bbe5947.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 51 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.605261"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4316"	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\LinkLocalConnectionCount = "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\LANConnectionCount = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.006588"	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 (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\DownlinkBps = "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\DownloadMonthlyCacheHostBytes = "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\GroupConnectionCount = "0"	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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.555514"	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
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\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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4132"	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\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "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\CDNConnectionCount = "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\PriorityDownloadCount = "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\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893075642367816"	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\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3984"	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\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 (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\PeerInfoCount = "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\MonthlyUploadRestriction = "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\Config\DODownloadMode = "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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2472 PING.EXE

pid	process
2472	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe0a73891bdc4d9f25fb9d8aa27aef0ed474a5fbac2b435dc12ed7792d8bbe5947.exe

description	pid	process
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeIncBasePriorityPrivilege	396	0a73891bdc4d9f25fb9d8aa27aef0ed474a5fbac2b435dc12ed7792d8bbe5947.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe
Token: SeBackupPrivilege	640	TiWorker.exe
Token: SeRestorePrivilege	640	TiWorker.exe
Token: SeSecurityPrivilege	640	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0a73891bdc4d9f25fb9d8aa27aef0ed474a5fbac2b435dc12ed7792d8bbe5947.execmd.exe

description	pid	process	target process
PID 396 wrote to memory of 3616	396	0a73891bdc4d9f25fb9d8aa27aef0ed474a5fbac2b435dc12ed7792d8bbe5947.exe	MediaCenter.exe
PID 396 wrote to memory of 3616	396	0a73891bdc4d9f25fb9d8aa27aef0ed474a5fbac2b435dc12ed7792d8bbe5947.exe	MediaCenter.exe
PID 396 wrote to memory of 3616	396	0a73891bdc4d9f25fb9d8aa27aef0ed474a5fbac2b435dc12ed7792d8bbe5947.exe	MediaCenter.exe
PID 396 wrote to memory of 2908	396	0a73891bdc4d9f25fb9d8aa27aef0ed474a5fbac2b435dc12ed7792d8bbe5947.exe	cmd.exe
PID 396 wrote to memory of 2908	396	0a73891bdc4d9f25fb9d8aa27aef0ed474a5fbac2b435dc12ed7792d8bbe5947.exe	cmd.exe
PID 396 wrote to memory of 2908	396	0a73891bdc4d9f25fb9d8aa27aef0ed474a5fbac2b435dc12ed7792d8bbe5947.exe	cmd.exe
PID 2908 wrote to memory of 2472	2908	cmd.exe	PING.EXE
PID 2908 wrote to memory of 2472	2908	cmd.exe	PING.EXE
PID 2908 wrote to memory of 2472	2908	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0a73891bdc4d9f25fb9d8aa27aef0ed474a5fbac2b435dc12ed7792d8bbe5947.exe
"C:\Users\Admin\AppData\Local\Temp\0a73891bdc4d9f25fb9d8aa27aef0ed474a5fbac2b435dc12ed7792d8bbe5947.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:396

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3616

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0a73891bdc4d9f25fb9d8aa27aef0ed474a5fbac2b435dc12ed7792d8bbe5947.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2908

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2472

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2080

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:3512

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:640

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
b815257c9de58ec48d465487c1b3633e

SHA1
1a124ceeaeb376220008aecfe92383debfdae75f

SHA256
70cfb1787fd98ce15cf545a44b3b372a0e7831fc583f749add5c14df1967f052

SHA512
a1c114c681bfc641bfa65689ccb0c4354191d6d7205b8a7255510a123f1eea8887c69c6d0d9ecfb250bc69f8a493a2d5d6886ebb2e352bd2fa102a49f18988ed

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
b815257c9de58ec48d465487c1b3633e

SHA1
1a124ceeaeb376220008aecfe92383debfdae75f

SHA256
70cfb1787fd98ce15cf545a44b3b372a0e7831fc583f749add5c14df1967f052

SHA512
a1c114c681bfc641bfa65689ccb0c4354191d6d7205b8a7255510a123f1eea8887c69c6d0d9ecfb250bc69f8a493a2d5d6886ebb2e352bd2fa102a49f18988ed

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads