sakula | 1614fc2f05af30bcf54350577d0238aa8c1fb8226739117a67705be39f5213ad

General

Target

1614fc2f05af30bcf54350577d0238aa8c1fb8226739117a67705be39f5213ad.exe
Size

60KB
MD5

61333cc7ea5827b46ea1e5ae43ca0d36
SHA1

0a3fd17046b82ba19b0c917a4d98507fea8cce0f
SHA256

1614fc2f05af30bcf54350577d0238aa8c1fb8226739117a67705be39f5213ad
SHA512

821caeb60db53cd77192d9fba41ca925cf3e13ac2cb7cd6e2ffb5856e2931899e648b66a2d0e936df38b5ed0d6c6050887ec68e13024c5182144bc8caf2066cf

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

2756 MediaCenter.exe

pid	process
2756	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:

1614fc2f05af30bcf54350577d0238aa8c1fb8226739117a67705be39f5213ad.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1614fc2f05af30bcf54350577d0238aa8c1fb8226739117a67705be39f5213ad.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1614fc2f05af30bcf54350577d0238aa8c1fb8226739117a67705be39f5213ad.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"	1614fc2f05af30bcf54350577d0238aa8c1fb8226739117a67705be39f5213ad.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\Config	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\DownlinkUsageBps = "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 = "4276"	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\DownloadMonthlyLinkLocalBytes = "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\FrDownloadRatePct = "90"	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\UplinkUsageBps = "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
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.048139"	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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	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\UploadMonthlyInternetBytes = "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\DownloadMonthlyCacheHostBytes = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.000045"	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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	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\MemoryUsageKB = "4300"	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\Config\DownloadMode_BackCompat = "1"	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 (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\LANConnectionCount = "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\PeerInfoCount = "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\NormalDownloadPendingCount = "0"	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\DownloadMonthlyCdnBytes = "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\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3316 PING.EXE

pid	process
3316	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe1614fc2f05af30bcf54350577d0238aa8c1fb8226739117a67705be39f5213ad.exe

description	pid	process
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeIncBasePriorityPrivilege	632	1614fc2f05af30bcf54350577d0238aa8c1fb8226739117a67705be39f5213ad.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1614fc2f05af30bcf54350577d0238aa8c1fb8226739117a67705be39f5213ad.execmd.exe

description	pid	process	target process
PID 632 wrote to memory of 2756	632	1614fc2f05af30bcf54350577d0238aa8c1fb8226739117a67705be39f5213ad.exe	MediaCenter.exe
PID 632 wrote to memory of 2756	632	1614fc2f05af30bcf54350577d0238aa8c1fb8226739117a67705be39f5213ad.exe	MediaCenter.exe
PID 632 wrote to memory of 2756	632	1614fc2f05af30bcf54350577d0238aa8c1fb8226739117a67705be39f5213ad.exe	MediaCenter.exe
PID 632 wrote to memory of 1576	632	1614fc2f05af30bcf54350577d0238aa8c1fb8226739117a67705be39f5213ad.exe	cmd.exe
PID 632 wrote to memory of 1576	632	1614fc2f05af30bcf54350577d0238aa8c1fb8226739117a67705be39f5213ad.exe	cmd.exe
PID 632 wrote to memory of 1576	632	1614fc2f05af30bcf54350577d0238aa8c1fb8226739117a67705be39f5213ad.exe	cmd.exe
PID 1576 wrote to memory of 3316	1576	cmd.exe	PING.EXE
PID 1576 wrote to memory of 3316	1576	cmd.exe	PING.EXE
PID 1576 wrote to memory of 3316	1576	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1614fc2f05af30bcf54350577d0238aa8c1fb8226739117a67705be39f5213ad.exe
"C:\Users\Admin\AppData\Local\Temp\1614fc2f05af30bcf54350577d0238aa8c1fb8226739117a67705be39f5213ad.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:632

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2756

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1614fc2f05af30bcf54350577d0238aa8c1fb8226739117a67705be39f5213ad.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1576

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3316

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3804

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:3296

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:3760

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
3e7d003c6bbc4f7ad9eaa74c81c12212

SHA1
4ab48dc567ebdf9d22cdad2f19635e8003298ab9

SHA256
2d4b05540bc67f0ad91d9b5320a7919b790523b82831b3e3eac56781bd7359ff

SHA512
ffed712e84e4c7473c985b37e11c02f517bbbdb0b0bc6a248ae60841212d7a8ba05a3b33adfe6f19c7bf67cead1c15cfadce36f594a3695feaeaa3f187583b77

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

MD5
3e7d003c6bbc4f7ad9eaa74c81c12212

SHA1
4ab48dc567ebdf9d22cdad2f19635e8003298ab9

SHA256
2d4b05540bc67f0ad91d9b5320a7919b790523b82831b3e3eac56781bd7359ff

SHA512
ffed712e84e4c7473c985b37e11c02f517bbbdb0b0bc6a248ae60841212d7a8ba05a3b33adfe6f19c7bf67cead1c15cfadce36f594a3695feaeaa3f187583b77

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads