sakula | 16ed4c37b883e137e1d39c6ebaa3140e53867ef2bc0e9bc900bfad48a4fcf7d2

General

Target

16ed4c37b883e137e1d39c6ebaa3140e53867ef2bc0e9bc900bfad48a4fcf7d2.exe
Size

36KB
MD5

83d8217b0453591545e1e492b9ba00b2
SHA1

aa769230829e142b76a46f68a2a1a035b074a7f4
SHA256

16ed4c37b883e137e1d39c6ebaa3140e53867ef2bc0e9bc900bfad48a4fcf7d2
SHA512

72a59a78deb507daf40a1906f93d338d37894b1ee546f6678bce5b926a47c3ead36d17e70b78c337c3c6e0f5beb02124f1e45d3c015484ffefa3f75cf847d6cf

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

3232 MediaCenter.exe

pid	process
3232	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:

16ed4c37b883e137e1d39c6ebaa3140e53867ef2bc0e9bc900bfad48a4fcf7d2.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	16ed4c37b883e137e1d39c6ebaa3140e53867ef2bc0e9bc900bfad48a4fcf7d2.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

16ed4c37b883e137e1d39c6ebaa3140e53867ef2bc0e9bc900bfad48a4fcf7d2.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"	16ed4c37b883e137e1d39c6ebaa3140e53867ef2bc0e9bc900bfad48a4fcf7d2.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 47 IoCs

Processes:

svchost.exe

description	ioc	process
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\DownloadMonthlyLinkLocalBytes = "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\NormalDownloadPendingCount = "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\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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.910965"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.092387"	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\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "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\UploadMonthlyLanBytes = "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\Config\KVFileExpirationTime = "132892875011672461"	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\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
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\PriorityDownloadCount = "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\PeerInfoCount = "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\DownloadMonthlyLanBytes = "0"	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\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 (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\UploadRatePct = "100"	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\PriorityDownloadPendingCount = "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\UploadMonthlyInternetBytes = "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\CacheSizeBytes = "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\DownlinkUsageBps = "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\MemoryUsageKB = "4132"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4356"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4020 PING.EXE

pid	process
4020	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

16ed4c37b883e137e1d39c6ebaa3140e53867ef2bc0e9bc900bfad48a4fcf7d2.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1840	16ed4c37b883e137e1d39c6ebaa3140e53867ef2bc0e9bc900bfad48a4fcf7d2.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

16ed4c37b883e137e1d39c6ebaa3140e53867ef2bc0e9bc900bfad48a4fcf7d2.execmd.exe

description	pid	process	target process
PID 1840 wrote to memory of 3232	1840	16ed4c37b883e137e1d39c6ebaa3140e53867ef2bc0e9bc900bfad48a4fcf7d2.exe	MediaCenter.exe
PID 1840 wrote to memory of 3232	1840	16ed4c37b883e137e1d39c6ebaa3140e53867ef2bc0e9bc900bfad48a4fcf7d2.exe	MediaCenter.exe
PID 1840 wrote to memory of 3232	1840	16ed4c37b883e137e1d39c6ebaa3140e53867ef2bc0e9bc900bfad48a4fcf7d2.exe	MediaCenter.exe
PID 1840 wrote to memory of 3604	1840	16ed4c37b883e137e1d39c6ebaa3140e53867ef2bc0e9bc900bfad48a4fcf7d2.exe	cmd.exe
PID 1840 wrote to memory of 3604	1840	16ed4c37b883e137e1d39c6ebaa3140e53867ef2bc0e9bc900bfad48a4fcf7d2.exe	cmd.exe
PID 1840 wrote to memory of 3604	1840	16ed4c37b883e137e1d39c6ebaa3140e53867ef2bc0e9bc900bfad48a4fcf7d2.exe	cmd.exe
PID 3604 wrote to memory of 4020	3604	cmd.exe	PING.EXE
PID 3604 wrote to memory of 4020	3604	cmd.exe	PING.EXE
PID 3604 wrote to memory of 4020	3604	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\16ed4c37b883e137e1d39c6ebaa3140e53867ef2bc0e9bc900bfad48a4fcf7d2.exe
"C:\Users\Admin\AppData\Local\Temp\16ed4c37b883e137e1d39c6ebaa3140e53867ef2bc0e9bc900bfad48a4fcf7d2.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1840

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3232

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\16ed4c37b883e137e1d39c6ebaa3140e53867ef2bc0e9bc900bfad48a4fcf7d2.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3604

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:4020

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2900

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:1228

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:3988

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
88a48d4f54f07f0d09731acf4503b798

SHA1
2228a310573a6fc105ea3228c8233b81b20f3759

SHA256
fd4a561c8d7ca37b38bd0dce7baf7d7f67262f7b926a1c343cebb168918e5604

SHA512
fd7c0c5ecefb1fdb394efb90415a3e34434811e348aa1005e1c2916c68d61a3be8fb0fdb824aad8ff9f09933fafa8179b3784bad93f10b2716ecd739430dc680

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

MD5
88a48d4f54f07f0d09731acf4503b798

SHA1
2228a310573a6fc105ea3228c8233b81b20f3759

SHA256
fd4a561c8d7ca37b38bd0dce7baf7d7f67262f7b926a1c343cebb168918e5604

SHA512
fd7c0c5ecefb1fdb394efb90415a3e34434811e348aa1005e1c2916c68d61a3be8fb0fdb824aad8ff9f09933fafa8179b3784bad93f10b2716ecd739430dc680

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads