sakula | 11e81e407ebcbc86abf52595270aaa0956f5c1f7cea2d470faa31639ab633dca

General

Target

11e81e407ebcbc86abf52595270aaa0956f5c1f7cea2d470faa31639ab633dca.exe
Size

101KB
MD5

367c0968f6cc7d8924cba30d00a8f0dc
SHA1

bc1c26003574c0f8889efb61f46bb75266fe4fef
SHA256

11e81e407ebcbc86abf52595270aaa0956f5c1f7cea2d470faa31639ab633dca
SHA512

dfb4fc00e0b693793eb55db57c4f210976c6487773d77e73b7804741f31e268c70458371d6d574131ebc4b04df997048170a25eaa1808fbac77cd6d9f82efefb

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

3692 MediaCenter.exe

pid	process
3692	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:

11e81e407ebcbc86abf52595270aaa0956f5c1f7cea2d470faa31639ab633dca.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	11e81e407ebcbc86abf52595270aaa0956f5c1f7cea2d470faa31639ab633dca.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

11e81e407ebcbc86abf52595270aaa0956f5c1f7cea2d470faa31639ab633dca.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"	11e81e407ebcbc86abf52595270aaa0956f5c1f7cea2d470faa31639ab633dca.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
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 (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\Config\DODownloadMode = "1"	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\CacheSizeBytes = "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\DownloadMonthlyLanBytes = "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\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4128"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.180180"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4112"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	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\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\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\SwarmCount = "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\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\Config\DownloadMode_BackCompat = "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\SwarmCount = "1"	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\GroupConnectionCount = "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\PriorityDownloadCount = "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 (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\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\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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.943439"	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\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3744 PING.EXE

pid	process
3744	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

11e81e407ebcbc86abf52595270aaa0956f5c1f7cea2d470faa31639ab633dca.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2984	11e81e407ebcbc86abf52595270aaa0956f5c1f7cea2d470faa31639ab633dca.exe
Token: SeSecurityPrivilege	3712	TiWorker.exe
Token: SeRestorePrivilege	3712	TiWorker.exe
Token: SeBackupPrivilege	3712	TiWorker.exe
Token: SeBackupPrivilege	3712	TiWorker.exe
Token: SeRestorePrivilege	3712	TiWorker.exe
Token: SeSecurityPrivilege	3712	TiWorker.exe
Token: SeBackupPrivilege	3712	TiWorker.exe
Token: SeRestorePrivilege	3712	TiWorker.exe
Token: SeSecurityPrivilege	3712	TiWorker.exe
Token: SeBackupPrivilege	3712	TiWorker.exe
Token: SeRestorePrivilege	3712	TiWorker.exe
Token: SeSecurityPrivilege	3712	TiWorker.exe
Token: SeBackupPrivilege	3712	TiWorker.exe
Token: SeRestorePrivilege	3712	TiWorker.exe
Token: SeSecurityPrivilege	3712	TiWorker.exe
Token: SeBackupPrivilege	3712	TiWorker.exe
Token: SeRestorePrivilege	3712	TiWorker.exe
Token: SeSecurityPrivilege	3712	TiWorker.exe
Token: SeBackupPrivilege	3712	TiWorker.exe
Token: SeRestorePrivilege	3712	TiWorker.exe
Token: SeSecurityPrivilege	3712	TiWorker.exe
Token: SeBackupPrivilege	3712	TiWorker.exe
Token: SeRestorePrivilege	3712	TiWorker.exe
Token: SeSecurityPrivilege	3712	TiWorker.exe
Token: SeBackupPrivilege	3712	TiWorker.exe
Token: SeRestorePrivilege	3712	TiWorker.exe
Token: SeSecurityPrivilege	3712	TiWorker.exe
Token: SeBackupPrivilege	3712	TiWorker.exe
Token: SeRestorePrivilege	3712	TiWorker.exe
Token: SeSecurityPrivilege	3712	TiWorker.exe
Token: SeBackupPrivilege	3712	TiWorker.exe
Token: SeRestorePrivilege	3712	TiWorker.exe
Token: SeSecurityPrivilege	3712	TiWorker.exe
Token: SeBackupPrivilege	3712	TiWorker.exe
Token: SeRestorePrivilege	3712	TiWorker.exe
Token: SeSecurityPrivilege	3712	TiWorker.exe
Token: SeBackupPrivilege	3712	TiWorker.exe
Token: SeRestorePrivilege	3712	TiWorker.exe
Token: SeSecurityPrivilege	3712	TiWorker.exe
Token: SeBackupPrivilege	3712	TiWorker.exe
Token: SeRestorePrivilege	3712	TiWorker.exe
Token: SeSecurityPrivilege	3712	TiWorker.exe
Token: SeBackupPrivilege	3712	TiWorker.exe
Token: SeRestorePrivilege	3712	TiWorker.exe
Token: SeSecurityPrivilege	3712	TiWorker.exe
Token: SeBackupPrivilege	3712	TiWorker.exe
Token: SeRestorePrivilege	3712	TiWorker.exe
Token: SeSecurityPrivilege	3712	TiWorker.exe
Token: SeBackupPrivilege	3712	TiWorker.exe
Token: SeRestorePrivilege	3712	TiWorker.exe
Token: SeSecurityPrivilege	3712	TiWorker.exe
Token: SeBackupPrivilege	3712	TiWorker.exe
Token: SeRestorePrivilege	3712	TiWorker.exe
Token: SeSecurityPrivilege	3712	TiWorker.exe
Token: SeBackupPrivilege	3712	TiWorker.exe
Token: SeRestorePrivilege	3712	TiWorker.exe
Token: SeSecurityPrivilege	3712	TiWorker.exe
Token: SeBackupPrivilege	3712	TiWorker.exe
Token: SeRestorePrivilege	3712	TiWorker.exe
Token: SeSecurityPrivilege	3712	TiWorker.exe
Token: SeBackupPrivilege	3712	TiWorker.exe
Token: SeRestorePrivilege	3712	TiWorker.exe
Token: SeSecurityPrivilege	3712	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

11e81e407ebcbc86abf52595270aaa0956f5c1f7cea2d470faa31639ab633dca.execmd.exe

description	pid	process	target process
PID 2984 wrote to memory of 3692	2984	11e81e407ebcbc86abf52595270aaa0956f5c1f7cea2d470faa31639ab633dca.exe	MediaCenter.exe
PID 2984 wrote to memory of 3692	2984	11e81e407ebcbc86abf52595270aaa0956f5c1f7cea2d470faa31639ab633dca.exe	MediaCenter.exe
PID 2984 wrote to memory of 3692	2984	11e81e407ebcbc86abf52595270aaa0956f5c1f7cea2d470faa31639ab633dca.exe	MediaCenter.exe
PID 2984 wrote to memory of 116	2984	11e81e407ebcbc86abf52595270aaa0956f5c1f7cea2d470faa31639ab633dca.exe	cmd.exe
PID 2984 wrote to memory of 116	2984	11e81e407ebcbc86abf52595270aaa0956f5c1f7cea2d470faa31639ab633dca.exe	cmd.exe
PID 2984 wrote to memory of 116	2984	11e81e407ebcbc86abf52595270aaa0956f5c1f7cea2d470faa31639ab633dca.exe	cmd.exe
PID 116 wrote to memory of 3744	116	cmd.exe	PING.EXE
PID 116 wrote to memory of 3744	116	cmd.exe	PING.EXE
PID 116 wrote to memory of 3744	116	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\11e81e407ebcbc86abf52595270aaa0956f5c1f7cea2d470faa31639ab633dca.exe
"C:\Users\Admin\AppData\Local\Temp\11e81e407ebcbc86abf52595270aaa0956f5c1f7cea2d470faa31639ab633dca.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2984

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3692

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\11e81e407ebcbc86abf52595270aaa0956f5c1f7cea2d470faa31639ab633dca.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:116

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3744

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3912

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:4000

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:3712

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
bed9b42ca1a5b243ae7763914a0557e6

SHA1
4b3bd066bcfeb4212547b36480ae3be0da8c5aaf

SHA256
0f639f026c4188e5157a958d86cd8a054a570555b4e4420ebf495ce6a6dac58b

SHA512
1ef678d793b32fb944b2deb64a9ecf17175f7991870974b131037d82c178582572d5ad23a6ab86abbc39b36482f7c0ea5faa53679ea6d3df710eb57f5b0f8e96

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

MD5
bed9b42ca1a5b243ae7763914a0557e6

SHA1
4b3bd066bcfeb4212547b36480ae3be0da8c5aaf

SHA256
0f639f026c4188e5157a958d86cd8a054a570555b4e4420ebf495ce6a6dac58b

SHA512
1ef678d793b32fb944b2deb64a9ecf17175f7991870974b131037d82c178582572d5ad23a6ab86abbc39b36482f7c0ea5faa53679ea6d3df710eb57f5b0f8e96

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads