sakula | 0f3af70c83ccb285eb5c4bae2203d14ed0de0128b189ac0c36405699bc69c866

General

Target

0f3af70c83ccb285eb5c4bae2203d14ed0de0128b189ac0c36405699bc69c866.exe
Size

191KB
MD5

f55b2262310ec8cee3c32b3fc355b99c
SHA1

dc64aa26f8b9af07ab3fbf7e3fdcc27df57c88a5
SHA256

0f3af70c83ccb285eb5c4bae2203d14ed0de0128b189ac0c36405699bc69c866
SHA512

b84a09b4d556944eb291145bf36bf0adf080da222ea75f571dbec5a1cc26e3af0b8c1be589ceed9159793b5602e78c8ac5372d3d509df67c70c56c62545acf99

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

1672 MediaCenter.exe

pid	process
1672	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:

0f3af70c83ccb285eb5c4bae2203d14ed0de0128b189ac0c36405699bc69c866.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0f3af70c83ccb285eb5c4bae2203d14ed0de0128b189ac0c36405699bc69c866.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0f3af70c83ccb285eb5c4bae2203d14ed0de0128b189ac0c36405699bc69c866.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"	0f3af70c83ccb285eb5c4bae2203d14ed0de0128b189ac0c36405699bc69c866.exe

Drops file in Windows directory 2 IoCs

Processes:

TiWorker.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

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 46 IoCs

Processes:

svchost.exe

description	ioc	process
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\DownloadMonthlyLinkLocalBytes = "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\Usage\CacheSizeBytes = "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\UploadMonthlyInternetBytes = "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\DownloadMonthlyRateBkBps = "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\BkDownloadRatePct = "45"	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\SwarmCount = "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\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\DownloadMonthlyRateFrCnt = "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\DownloadMonthlyCacheHostBytes = "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\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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4280"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.337059"	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\DownloadMonthlyRateFrBps = "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\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\UploadMonthlyLanBytes = "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\PriorityDownloadCount = "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\UploadCount = "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\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 (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 = "0.176332"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4184"	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\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\PriorityDownloadPendingCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3712 PING.EXE

pid	process
3712	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0f3af70c83ccb285eb5c4bae2203d14ed0de0128b189ac0c36405699bc69c866.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2432	0f3af70c83ccb285eb5c4bae2203d14ed0de0128b189ac0c36405699bc69c866.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0f3af70c83ccb285eb5c4bae2203d14ed0de0128b189ac0c36405699bc69c866.execmd.exe

description	pid	process	target process
PID 2432 wrote to memory of 1672	2432	0f3af70c83ccb285eb5c4bae2203d14ed0de0128b189ac0c36405699bc69c866.exe	MediaCenter.exe
PID 2432 wrote to memory of 1672	2432	0f3af70c83ccb285eb5c4bae2203d14ed0de0128b189ac0c36405699bc69c866.exe	MediaCenter.exe
PID 2432 wrote to memory of 1672	2432	0f3af70c83ccb285eb5c4bae2203d14ed0de0128b189ac0c36405699bc69c866.exe	MediaCenter.exe
PID 2432 wrote to memory of 3112	2432	0f3af70c83ccb285eb5c4bae2203d14ed0de0128b189ac0c36405699bc69c866.exe	cmd.exe
PID 2432 wrote to memory of 3112	2432	0f3af70c83ccb285eb5c4bae2203d14ed0de0128b189ac0c36405699bc69c866.exe	cmd.exe
PID 2432 wrote to memory of 3112	2432	0f3af70c83ccb285eb5c4bae2203d14ed0de0128b189ac0c36405699bc69c866.exe	cmd.exe
PID 3112 wrote to memory of 3712	3112	cmd.exe	PING.EXE
PID 3112 wrote to memory of 3712	3112	cmd.exe	PING.EXE
PID 3112 wrote to memory of 3712	3112	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0f3af70c83ccb285eb5c4bae2203d14ed0de0128b189ac0c36405699bc69c866.exe
"C:\Users\Admin\AppData\Local\Temp\0f3af70c83ccb285eb5c4bae2203d14ed0de0128b189ac0c36405699bc69c866.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2432

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1672

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0f3af70c83ccb285eb5c4bae2203d14ed0de0128b189ac0c36405699bc69c866.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3112

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3712

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2492

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:3672

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:2764

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
dd049dada8f5c8e98191ac8706f5c72a

SHA1
d298b4ea66a684cc4818896a12ae6a4d3eccace3

SHA256
4900366a40624808a1ba4ec835d333c2594224c96decd7daf132941e5a68c858

SHA512
0897fe44a0cb49ec085694ef9e35d4341575b0ade70114110ff400f2ee5b42ccf2114cb8b229ae73bc5ffac173a0e7132cc9b1724da595eda4f6f1fc7b91e8aa

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

MD5
dd049dada8f5c8e98191ac8706f5c72a

SHA1
d298b4ea66a684cc4818896a12ae6a4d3eccace3

SHA256
4900366a40624808a1ba4ec835d333c2594224c96decd7daf132941e5a68c858

SHA512
0897fe44a0cb49ec085694ef9e35d4341575b0ade70114110ff400f2ee5b42ccf2114cb8b229ae73bc5ffac173a0e7132cc9b1724da595eda4f6f1fc7b91e8aa

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads