sakula | 048d88ec4a11ef316f3a5a951db037c459a4aed4231133d98685030db33ac143

General

Target

048d88ec4a11ef316f3a5a951db037c459a4aed4231133d98685030db33ac143.exe
Size

101KB
MD5

bfb6af0c5cc8fd9a1c6fd4b3d0c13b58
SHA1

211258e12dcad14f46c3dd9b0deb0aeb04edcf10
SHA256

048d88ec4a11ef316f3a5a951db037c459a4aed4231133d98685030db33ac143
SHA512

f0c14c8f4975471624070e0a98067b48e731af953513c22c37479b822b921e16edb8affacadec7126e6f7221c02542fb55568deec0349da34a5c94b805f35f4d

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

1248 MediaCenter.exe

pid	process
1248	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:

048d88ec4a11ef316f3a5a951db037c459a4aed4231133d98685030db33ac143.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	048d88ec4a11ef316f3a5a951db037c459a4aed4231133d98685030db33ac143.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

048d88ec4a11ef316f3a5a951db037c459a4aed4231133d98685030db33ac143.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"	048d88ec4a11ef316f3a5a951db037c459a4aed4231133d98685030db33ac143.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
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
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo"	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\Config\DownloadMode_BackCompat = "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\DownlinkBps = "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\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.282942"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.507845"	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\DownloadMonthlyRateFrBps = "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\UploadRatePct = "100"	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\MemoryUsageKB = "4312"	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\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	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\Usage\MemoryUsageKB = "4108"	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\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\UploadCount = "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\DownloadMonthlyRateBkCnt = "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\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 (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\MonthlyUploadRestriction = "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\DownloadMonthlyCacheHostBytes = "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\LANConnectionCount = "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\MemoryUsageKB = "4104"	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\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\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 = "132893161758328373"	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 = "0.116009"	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\DODownloadMode = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.019406"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1272 PING.EXE

pid	process
1272	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	4040	TiWorker.exe
Token: SeRestorePrivilege	4040	TiWorker.exe
Token: SeBackupPrivilege	4040	TiWorker.exe
Token: SeBackupPrivilege	4040	TiWorker.exe
Token: SeRestorePrivilege	4040	TiWorker.exe
Token: SeSecurityPrivilege	4040	TiWorker.exe
Token: SeBackupPrivilege	4040	TiWorker.exe
Token: SeRestorePrivilege	4040	TiWorker.exe
Token: SeSecurityPrivilege	4040	TiWorker.exe
Token: SeBackupPrivilege	4040	TiWorker.exe
Token: SeRestorePrivilege	4040	TiWorker.exe
Token: SeSecurityPrivilege	4040	TiWorker.exe
Token: SeBackupPrivilege	4040	TiWorker.exe
Token: SeRestorePrivilege	4040	TiWorker.exe
Token: SeSecurityPrivilege	4040	TiWorker.exe
Token: SeBackupPrivilege	4040	TiWorker.exe
Token: SeRestorePrivilege	4040	TiWorker.exe
Token: SeSecurityPrivilege	4040	TiWorker.exe
Token: SeBackupPrivilege	4040	TiWorker.exe
Token: SeRestorePrivilege	4040	TiWorker.exe
Token: SeSecurityPrivilege	4040	TiWorker.exe
Token: SeBackupPrivilege	4040	TiWorker.exe
Token: SeRestorePrivilege	4040	TiWorker.exe
Token: SeSecurityPrivilege	4040	TiWorker.exe
Token: SeBackupPrivilege	4040	TiWorker.exe
Token: SeRestorePrivilege	4040	TiWorker.exe
Token: SeSecurityPrivilege	4040	TiWorker.exe
Token: SeBackupPrivilege	4040	TiWorker.exe
Token: SeRestorePrivilege	4040	TiWorker.exe
Token: SeSecurityPrivilege	4040	TiWorker.exe
Token: SeBackupPrivilege	4040	TiWorker.exe
Token: SeRestorePrivilege	4040	TiWorker.exe
Token: SeSecurityPrivilege	4040	TiWorker.exe
Token: SeBackupPrivilege	4040	TiWorker.exe
Token: SeRestorePrivilege	4040	TiWorker.exe
Token: SeSecurityPrivilege	4040	TiWorker.exe
Token: SeBackupPrivilege	4040	TiWorker.exe
Token: SeRestorePrivilege	4040	TiWorker.exe
Token: SeSecurityPrivilege	4040	TiWorker.exe
Token: SeBackupPrivilege	4040	TiWorker.exe
Token: SeRestorePrivilege	4040	TiWorker.exe
Token: SeSecurityPrivilege	4040	TiWorker.exe
Token: SeBackupPrivilege	4040	TiWorker.exe
Token: SeRestorePrivilege	4040	TiWorker.exe
Token: SeSecurityPrivilege	4040	TiWorker.exe
Token: SeBackupPrivilege	4040	TiWorker.exe
Token: SeRestorePrivilege	4040	TiWorker.exe
Token: SeSecurityPrivilege	4040	TiWorker.exe
Token: SeBackupPrivilege	4040	TiWorker.exe
Token: SeRestorePrivilege	4040	TiWorker.exe
Token: SeSecurityPrivilege	4040	TiWorker.exe
Token: SeBackupPrivilege	4040	TiWorker.exe
Token: SeRestorePrivilege	4040	TiWorker.exe
Token: SeSecurityPrivilege	4040	TiWorker.exe
Token: SeBackupPrivilege	4040	TiWorker.exe
Token: SeRestorePrivilege	4040	TiWorker.exe
Token: SeSecurityPrivilege	4040	TiWorker.exe
Token: SeBackupPrivilege	4040	TiWorker.exe
Token: SeRestorePrivilege	4040	TiWorker.exe
Token: SeSecurityPrivilege	4040	TiWorker.exe
Token: SeBackupPrivilege	4040	TiWorker.exe
Token: SeRestorePrivilege	4040	TiWorker.exe
Token: SeSecurityPrivilege	4040	TiWorker.exe
Token: SeBackupPrivilege	4040	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

048d88ec4a11ef316f3a5a951db037c459a4aed4231133d98685030db33ac143.execmd.exe

description	pid	process	target process
PID 408 wrote to memory of 1248	408	048d88ec4a11ef316f3a5a951db037c459a4aed4231133d98685030db33ac143.exe	MediaCenter.exe
PID 408 wrote to memory of 1248	408	048d88ec4a11ef316f3a5a951db037c459a4aed4231133d98685030db33ac143.exe	MediaCenter.exe
PID 408 wrote to memory of 1248	408	048d88ec4a11ef316f3a5a951db037c459a4aed4231133d98685030db33ac143.exe	MediaCenter.exe
PID 408 wrote to memory of 1596	408	048d88ec4a11ef316f3a5a951db037c459a4aed4231133d98685030db33ac143.exe	cmd.exe
PID 408 wrote to memory of 1596	408	048d88ec4a11ef316f3a5a951db037c459a4aed4231133d98685030db33ac143.exe	cmd.exe
PID 408 wrote to memory of 1596	408	048d88ec4a11ef316f3a5a951db037c459a4aed4231133d98685030db33ac143.exe	cmd.exe
PID 1596 wrote to memory of 1272	1596	cmd.exe	PING.EXE
PID 1596 wrote to memory of 1272	1596	cmd.exe	PING.EXE
PID 1596 wrote to memory of 1272	1596	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\048d88ec4a11ef316f3a5a951db037c459a4aed4231133d98685030db33ac143.exe
"C:\Users\Admin\AppData\Local\Temp\048d88ec4a11ef316f3a5a951db037c459a4aed4231133d98685030db33ac143.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:408

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1248

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\048d88ec4a11ef316f3a5a951db037c459a4aed4231133d98685030db33ac143.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1596

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1272

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:1324

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:4040

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

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
9691d070696cafb1c53b9e2b306c9f33

SHA1
bc4dae62c4839dc767fda5e251ea87ab98ee3e85

SHA256
b4f9d18777a9fbcc1b93c6ffd9d888bf1a7da1c29c310426f11f4654a4d976ba

SHA512
caf7b36f83b12b464810e4e96306d47e1728a400692c40cf8685aebef348e8d246e539e8c5b7631a19f4741a1d9055076497f96c4232a3d292af7cf5fecd4e50

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C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
9691d070696cafb1c53b9e2b306c9f33

SHA1
bc4dae62c4839dc767fda5e251ea87ab98ee3e85

SHA256
b4f9d18777a9fbcc1b93c6ffd9d888bf1a7da1c29c310426f11f4654a4d976ba

SHA512
caf7b36f83b12b464810e4e96306d47e1728a400692c40cf8685aebef348e8d246e539e8c5b7631a19f4741a1d9055076497f96c4232a3d292af7cf5fecd4e50

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads