sakula | 1230bd1ef542f0dac495e9bf4cdc3382b79b21dfc27c4a3efe8f11cfa27a3b6e

General

Target

1230bd1ef542f0dac495e9bf4cdc3382b79b21dfc27c4a3efe8f11cfa27a3b6e.exe
Size

58KB
MD5

7c7e8eaf72b06ed83c3b0feb46f3815c
SHA1

d0274bb65062c5afe1d6247c0c5bfb1628c333d9
SHA256

1230bd1ef542f0dac495e9bf4cdc3382b79b21dfc27c4a3efe8f11cfa27a3b6e
SHA512

9f3e9258a1c28473b2224ad02f428cc3ee18029f6740e6ddd76ca844bf597753fcc0a8c9c76915437e3b175b2c25d38d7523ebce158f2ea054731dba56b7afcc

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

2956 MediaCenter.exe

pid	process
2956	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:

1230bd1ef542f0dac495e9bf4cdc3382b79b21dfc27c4a3efe8f11cfa27a3b6e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1230bd1ef542f0dac495e9bf4cdc3382b79b21dfc27c4a3efe8f11cfa27a3b6e.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1230bd1ef542f0dac495e9bf4cdc3382b79b21dfc27c4a3efe8f11cfa27a3b6e.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"	1230bd1ef542f0dac495e9bf4cdc3382b79b21dfc27c4a3efe8f11cfa27a3b6e.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

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

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\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\GroupConnectionCount = "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\PriorityDownloadPendingCount = "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\DownloadMonthlyLinkLocalBytes = "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\UplinkBps = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.631363"	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\SwarmCount = "1"	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\MemoryUsageKB = "4204"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4392"	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\LANConnectionCount = "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\DownloadMonthlyRateFrBps = "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\InternetConnectionCount = "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\NormalDownloadCount = "0"	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\DownloadMonthlyRateBkCnt = "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\CDNConnectionCount = "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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	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\MonthID = "2"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.111205"	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\UploadRatePct = "100"	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\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892943068032422"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.289471"	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\Usage	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3860 PING.EXE

pid	process
3860	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

1230bd1ef542f0dac495e9bf4cdc3382b79b21dfc27c4a3efe8f11cfa27a3b6e.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3000	1230bd1ef542f0dac495e9bf4cdc3382b79b21dfc27c4a3efe8f11cfa27a3b6e.exe
Token: SeSecurityPrivilege	432	TiWorker.exe
Token: SeRestorePrivilege	432	TiWorker.exe
Token: SeBackupPrivilege	432	TiWorker.exe
Token: SeBackupPrivilege	432	TiWorker.exe
Token: SeRestorePrivilege	432	TiWorker.exe
Token: SeSecurityPrivilege	432	TiWorker.exe
Token: SeBackupPrivilege	432	TiWorker.exe
Token: SeRestorePrivilege	432	TiWorker.exe
Token: SeSecurityPrivilege	432	TiWorker.exe
Token: SeBackupPrivilege	432	TiWorker.exe
Token: SeRestorePrivilege	432	TiWorker.exe
Token: SeSecurityPrivilege	432	TiWorker.exe
Token: SeBackupPrivilege	432	TiWorker.exe
Token: SeRestorePrivilege	432	TiWorker.exe
Token: SeSecurityPrivilege	432	TiWorker.exe
Token: SeBackupPrivilege	432	TiWorker.exe
Token: SeRestorePrivilege	432	TiWorker.exe
Token: SeSecurityPrivilege	432	TiWorker.exe
Token: SeBackupPrivilege	432	TiWorker.exe
Token: SeRestorePrivilege	432	TiWorker.exe
Token: SeSecurityPrivilege	432	TiWorker.exe
Token: SeBackupPrivilege	432	TiWorker.exe
Token: SeRestorePrivilege	432	TiWorker.exe
Token: SeSecurityPrivilege	432	TiWorker.exe
Token: SeBackupPrivilege	432	TiWorker.exe
Token: SeRestorePrivilege	432	TiWorker.exe
Token: SeSecurityPrivilege	432	TiWorker.exe
Token: SeBackupPrivilege	432	TiWorker.exe
Token: SeRestorePrivilege	432	TiWorker.exe
Token: SeSecurityPrivilege	432	TiWorker.exe
Token: SeBackupPrivilege	432	TiWorker.exe
Token: SeRestorePrivilege	432	TiWorker.exe
Token: SeSecurityPrivilege	432	TiWorker.exe
Token: SeBackupPrivilege	432	TiWorker.exe
Token: SeRestorePrivilege	432	TiWorker.exe
Token: SeSecurityPrivilege	432	TiWorker.exe
Token: SeBackupPrivilege	432	TiWorker.exe
Token: SeRestorePrivilege	432	TiWorker.exe
Token: SeSecurityPrivilege	432	TiWorker.exe
Token: SeBackupPrivilege	432	TiWorker.exe
Token: SeRestorePrivilege	432	TiWorker.exe
Token: SeSecurityPrivilege	432	TiWorker.exe
Token: SeBackupPrivilege	432	TiWorker.exe
Token: SeRestorePrivilege	432	TiWorker.exe
Token: SeSecurityPrivilege	432	TiWorker.exe
Token: SeBackupPrivilege	432	TiWorker.exe
Token: SeRestorePrivilege	432	TiWorker.exe
Token: SeSecurityPrivilege	432	TiWorker.exe
Token: SeBackupPrivilege	432	TiWorker.exe
Token: SeRestorePrivilege	432	TiWorker.exe
Token: SeSecurityPrivilege	432	TiWorker.exe
Token: SeBackupPrivilege	432	TiWorker.exe
Token: SeRestorePrivilege	432	TiWorker.exe
Token: SeSecurityPrivilege	432	TiWorker.exe
Token: SeBackupPrivilege	432	TiWorker.exe
Token: SeRestorePrivilege	432	TiWorker.exe
Token: SeSecurityPrivilege	432	TiWorker.exe
Token: SeBackupPrivilege	432	TiWorker.exe
Token: SeRestorePrivilege	432	TiWorker.exe
Token: SeSecurityPrivilege	432	TiWorker.exe
Token: SeBackupPrivilege	432	TiWorker.exe
Token: SeRestorePrivilege	432	TiWorker.exe
Token: SeSecurityPrivilege	432	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1230bd1ef542f0dac495e9bf4cdc3382b79b21dfc27c4a3efe8f11cfa27a3b6e.execmd.exe

description	pid	process	target process
PID 3000 wrote to memory of 2956	3000	1230bd1ef542f0dac495e9bf4cdc3382b79b21dfc27c4a3efe8f11cfa27a3b6e.exe	MediaCenter.exe
PID 3000 wrote to memory of 2956	3000	1230bd1ef542f0dac495e9bf4cdc3382b79b21dfc27c4a3efe8f11cfa27a3b6e.exe	MediaCenter.exe
PID 3000 wrote to memory of 2956	3000	1230bd1ef542f0dac495e9bf4cdc3382b79b21dfc27c4a3efe8f11cfa27a3b6e.exe	MediaCenter.exe
PID 3000 wrote to memory of 3576	3000	1230bd1ef542f0dac495e9bf4cdc3382b79b21dfc27c4a3efe8f11cfa27a3b6e.exe	cmd.exe
PID 3000 wrote to memory of 3576	3000	1230bd1ef542f0dac495e9bf4cdc3382b79b21dfc27c4a3efe8f11cfa27a3b6e.exe	cmd.exe
PID 3000 wrote to memory of 3576	3000	1230bd1ef542f0dac495e9bf4cdc3382b79b21dfc27c4a3efe8f11cfa27a3b6e.exe	cmd.exe
PID 3576 wrote to memory of 3860	3576	cmd.exe	PING.EXE
PID 3576 wrote to memory of 3860	3576	cmd.exe	PING.EXE
PID 3576 wrote to memory of 3860	3576	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1230bd1ef542f0dac495e9bf4cdc3382b79b21dfc27c4a3efe8f11cfa27a3b6e.exe
"C:\Users\Admin\AppData\Local\Temp\1230bd1ef542f0dac495e9bf4cdc3382b79b21dfc27c4a3efe8f11cfa27a3b6e.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3000

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2956

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1230bd1ef542f0dac495e9bf4cdc3382b79b21dfc27c4a3efe8f11cfa27a3b6e.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3576

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3860

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2648

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:1152

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:432

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
009299696766d50430967f22cd9eac84

SHA1
be2c49965d0075fa05ac4360789be4ae61f51200

SHA256
e2aad14286498c46f2dd637caa3beea3af445fc00cb88ac63d069f03a4efe8bf

SHA512
774148214d4618a61ddebb6bc190e0ef88bd2cba15d3c2103d7af56864c5f001c966dae2fca7a0847fff389095138b9e59c4945e6382acb5ba9529eafbdf9590

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

MD5
009299696766d50430967f22cd9eac84

SHA1
be2c49965d0075fa05ac4360789be4ae61f51200

SHA256
e2aad14286498c46f2dd637caa3beea3af445fc00cb88ac63d069f03a4efe8bf

SHA512
774148214d4618a61ddebb6bc190e0ef88bd2cba15d3c2103d7af56864c5f001c966dae2fca7a0847fff389095138b9e59c4945e6382acb5ba9529eafbdf9590

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads