sakula | 153b2f11b01b9c243690f9358829e3a837e848c9e6da608bd5d657e8622d9c58

General

Target

153b2f11b01b9c243690f9358829e3a837e848c9e6da608bd5d657e8622d9c58.exe
Size

58KB
MD5

92c2277ae52caea1ef5a8502b7b98484
SHA1

db8334d3052b61929cdd77a47a4bb71618c1c9f0
SHA256

153b2f11b01b9c243690f9358829e3a837e848c9e6da608bd5d657e8622d9c58
SHA512

29e0c59c469adde1a9345acfc9e52d0bfbd27f8e7bd8497a89a6cfdd46f3a19f83137df396b70a93a23b93e827a7c10a3b95e348e07093576d32319c02a6f95f

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

3584 MediaCenter.exe

pid	process
3584	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:

153b2f11b01b9c243690f9358829e3a837e848c9e6da608bd5d657e8622d9c58.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	153b2f11b01b9c243690f9358829e3a837e848c9e6da608bd5d657e8622d9c58.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

153b2f11b01b9c243690f9358829e3a837e848c9e6da608bd5d657e8622d9c58.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"	153b2f11b01b9c243690f9358829e3a837e848c9e6da608bd5d657e8622d9c58.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 (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\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892903835819762"	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\GroupConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.019762"	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\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3964"	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\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\MemoryUsageKB = "4144"	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\DownloadMonthlyLanBytes = "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\DownloadMonthlyRateFrCnt = "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\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\Config\DODownloadMode = "1"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.819447"	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\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\MemoryUsageKB = "4340"	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\PriorityDownloadPendingCount = "0"	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\DownloadMonthlyRateFrBps = "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\UplinkBps = "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\MonthlyUploadRestriction = "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 (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\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 (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\CDNConnectionCount = "0"	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\DownlinkUsageBps = "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\Usage\UploadMonthlyLanBytes = "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\UplinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.707456"	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:

TiWorker.exe153b2f11b01b9c243690f9358829e3a837e848c9e6da608bd5d657e8622d9c58.exe

description	pid	process
Token: SeSecurityPrivilege	1144	TiWorker.exe
Token: SeRestorePrivilege	1144	TiWorker.exe
Token: SeBackupPrivilege	1144	TiWorker.exe
Token: SeBackupPrivilege	1144	TiWorker.exe
Token: SeRestorePrivilege	1144	TiWorker.exe
Token: SeSecurityPrivilege	1144	TiWorker.exe
Token: SeBackupPrivilege	1144	TiWorker.exe
Token: SeRestorePrivilege	1144	TiWorker.exe
Token: SeSecurityPrivilege	1144	TiWorker.exe
Token: SeBackupPrivilege	1144	TiWorker.exe
Token: SeRestorePrivilege	1144	TiWorker.exe
Token: SeSecurityPrivilege	1144	TiWorker.exe
Token: SeBackupPrivilege	1144	TiWorker.exe
Token: SeRestorePrivilege	1144	TiWorker.exe
Token: SeSecurityPrivilege	1144	TiWorker.exe
Token: SeBackupPrivilege	1144	TiWorker.exe
Token: SeRestorePrivilege	1144	TiWorker.exe
Token: SeSecurityPrivilege	1144	TiWorker.exe
Token: SeBackupPrivilege	1144	TiWorker.exe
Token: SeRestorePrivilege	1144	TiWorker.exe
Token: SeSecurityPrivilege	1144	TiWorker.exe
Token: SeBackupPrivilege	1144	TiWorker.exe
Token: SeRestorePrivilege	1144	TiWorker.exe
Token: SeSecurityPrivilege	1144	TiWorker.exe
Token: SeBackupPrivilege	1144	TiWorker.exe
Token: SeRestorePrivilege	1144	TiWorker.exe
Token: SeSecurityPrivilege	1144	TiWorker.exe
Token: SeBackupPrivilege	1144	TiWorker.exe
Token: SeRestorePrivilege	1144	TiWorker.exe
Token: SeSecurityPrivilege	1144	TiWorker.exe
Token: SeBackupPrivilege	1144	TiWorker.exe
Token: SeRestorePrivilege	1144	TiWorker.exe
Token: SeSecurityPrivilege	1144	TiWorker.exe
Token: SeIncBasePriorityPrivilege	3868	153b2f11b01b9c243690f9358829e3a837e848c9e6da608bd5d657e8622d9c58.exe
Token: SeBackupPrivilege	1144	TiWorker.exe
Token: SeRestorePrivilege	1144	TiWorker.exe
Token: SeSecurityPrivilege	1144	TiWorker.exe
Token: SeBackupPrivilege	1144	TiWorker.exe
Token: SeRestorePrivilege	1144	TiWorker.exe
Token: SeSecurityPrivilege	1144	TiWorker.exe
Token: SeBackupPrivilege	1144	TiWorker.exe
Token: SeRestorePrivilege	1144	TiWorker.exe
Token: SeSecurityPrivilege	1144	TiWorker.exe
Token: SeBackupPrivilege	1144	TiWorker.exe
Token: SeRestorePrivilege	1144	TiWorker.exe
Token: SeSecurityPrivilege	1144	TiWorker.exe
Token: SeBackupPrivilege	1144	TiWorker.exe
Token: SeRestorePrivilege	1144	TiWorker.exe
Token: SeSecurityPrivilege	1144	TiWorker.exe
Token: SeBackupPrivilege	1144	TiWorker.exe
Token: SeRestorePrivilege	1144	TiWorker.exe
Token: SeSecurityPrivilege	1144	TiWorker.exe
Token: SeBackupPrivilege	1144	TiWorker.exe
Token: SeRestorePrivilege	1144	TiWorker.exe
Token: SeSecurityPrivilege	1144	TiWorker.exe
Token: SeBackupPrivilege	1144	TiWorker.exe
Token: SeRestorePrivilege	1144	TiWorker.exe
Token: SeSecurityPrivilege	1144	TiWorker.exe
Token: SeBackupPrivilege	1144	TiWorker.exe
Token: SeRestorePrivilege	1144	TiWorker.exe
Token: SeSecurityPrivilege	1144	TiWorker.exe
Token: SeBackupPrivilege	1144	TiWorker.exe
Token: SeRestorePrivilege	1144	TiWorker.exe
Token: SeSecurityPrivilege	1144	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

153b2f11b01b9c243690f9358829e3a837e848c9e6da608bd5d657e8622d9c58.execmd.exe

description	pid	process	target process
PID 3868 wrote to memory of 3584	3868	153b2f11b01b9c243690f9358829e3a837e848c9e6da608bd5d657e8622d9c58.exe	MediaCenter.exe
PID 3868 wrote to memory of 3584	3868	153b2f11b01b9c243690f9358829e3a837e848c9e6da608bd5d657e8622d9c58.exe	MediaCenter.exe
PID 3868 wrote to memory of 3584	3868	153b2f11b01b9c243690f9358829e3a837e848c9e6da608bd5d657e8622d9c58.exe	MediaCenter.exe
PID 3868 wrote to memory of 3516	3868	153b2f11b01b9c243690f9358829e3a837e848c9e6da608bd5d657e8622d9c58.exe	cmd.exe
PID 3868 wrote to memory of 3516	3868	153b2f11b01b9c243690f9358829e3a837e848c9e6da608bd5d657e8622d9c58.exe	cmd.exe
PID 3868 wrote to memory of 3516	3868	153b2f11b01b9c243690f9358829e3a837e848c9e6da608bd5d657e8622d9c58.exe	cmd.exe
PID 3516 wrote to memory of 972	3516	cmd.exe	PING.EXE
PID 3516 wrote to memory of 972	3516	cmd.exe	PING.EXE
PID 3516 wrote to memory of 972	3516	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\153b2f11b01b9c243690f9358829e3a837e848c9e6da608bd5d657e8622d9c58.exe
"C:\Users\Admin\AppData\Local\Temp\153b2f11b01b9c243690f9358829e3a837e848c9e6da608bd5d657e8622d9c58.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3868

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3584

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\153b2f11b01b9c243690f9358829e3a837e848c9e6da608bd5d657e8622d9c58.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3516

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:800

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:1944

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:1144

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
a92ae3e806a73c5bfac93d22a0cdcc41

SHA1
f0704e25e0caeec836a3930b3b956c4ae1ead7a3

SHA256
a2dedb280b09183e2f7f79730da4a30ecb434890e4344b0d769d7f76c5d6a095

SHA512
d43b0fce9db47234e220173bf7ef0cbb4f1c235e8632807eeb354f020d0fa5beca2c22c41f812234a3390aeaee2621004d8eea40d4209f75940d5d957b794b94

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

MD5
a92ae3e806a73c5bfac93d22a0cdcc41

SHA1
f0704e25e0caeec836a3930b3b956c4ae1ead7a3

SHA256
a2dedb280b09183e2f7f79730da4a30ecb434890e4344b0d769d7f76c5d6a095

SHA512
d43b0fce9db47234e220173bf7ef0cbb4f1c235e8632807eeb354f020d0fa5beca2c22c41f812234a3390aeaee2621004d8eea40d4209f75940d5d957b794b94

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads