sakula | 0de36eb78d83c3cb89cae8e3792c3bb61c4a02f1bdbf3a51f64375c69fb80a4e

General

Target

0de36eb78d83c3cb89cae8e3792c3bb61c4a02f1bdbf3a51f64375c69fb80a4e.exe
Size

192KB
MD5

5b8da2df512cd107aad3f0ed86b5e909
SHA1

6688713d36c0be3f25d02499b3baea23b1568dd3
SHA256

0de36eb78d83c3cb89cae8e3792c3bb61c4a02f1bdbf3a51f64375c69fb80a4e
SHA512

d6c7e91fcd340fe85a2cc80152343dce6089919b3d19a104d6883d8a90f539cc8b36e71f787f975cc96e5e857252713afc4a12932cb379adc4ddbd6e19f6527f

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

3236 MediaCenter.exe

pid	process
3236	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:

0de36eb78d83c3cb89cae8e3792c3bb61c4a02f1bdbf3a51f64375c69fb80a4e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0de36eb78d83c3cb89cae8e3792c3bb61c4a02f1bdbf3a51f64375c69fb80a4e.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0de36eb78d83c3cb89cae8e3792c3bb61c4a02f1bdbf3a51f64375c69fb80a4e.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"	0de36eb78d83c3cb89cae8e3792c3bb61c4a02f1bdbf3a51f64375c69fb80a4e.exe

Drops file in Windows directory 3 IoCs

Processes:

svchost.exeTiWorker.exe

description	ioc	process
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.exe
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 49 IoCs

Processes:

svchost.exe

description	ioc	process
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\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4092"	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\SwarmCount = "1"	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\InternetConnectionCount = "0"	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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.051050"	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\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\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\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\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\DownloadMonthlyCdnBytes = "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\DownloadMonthlyInternetBytes = "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 = "132893005076660747"	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\BkDownloadRatePct = "45"	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\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\Settings	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "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\DownlinkUsageBps = "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\DownloadMonthlyGroupBytes = "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\MemoryUsageKB = "4284"	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\LinkLocalConnectionCount = "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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4248"	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\DownloadMonthlyCacheHostBytes = "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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3676 PING.EXE

pid	process
3676	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0de36eb78d83c3cb89cae8e3792c3bb61c4a02f1bdbf3a51f64375c69fb80a4e.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3720	0de36eb78d83c3cb89cae8e3792c3bb61c4a02f1bdbf3a51f64375c69fb80a4e.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe
Token: SeBackupPrivilege	3936	TiWorker.exe
Token: SeRestorePrivilege	3936	TiWorker.exe
Token: SeSecurityPrivilege	3936	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0de36eb78d83c3cb89cae8e3792c3bb61c4a02f1bdbf3a51f64375c69fb80a4e.execmd.exe

description	pid	process	target process
PID 3720 wrote to memory of 3236	3720	0de36eb78d83c3cb89cae8e3792c3bb61c4a02f1bdbf3a51f64375c69fb80a4e.exe	MediaCenter.exe
PID 3720 wrote to memory of 3236	3720	0de36eb78d83c3cb89cae8e3792c3bb61c4a02f1bdbf3a51f64375c69fb80a4e.exe	MediaCenter.exe
PID 3720 wrote to memory of 3236	3720	0de36eb78d83c3cb89cae8e3792c3bb61c4a02f1bdbf3a51f64375c69fb80a4e.exe	MediaCenter.exe
PID 3720 wrote to memory of 1332	3720	0de36eb78d83c3cb89cae8e3792c3bb61c4a02f1bdbf3a51f64375c69fb80a4e.exe	cmd.exe
PID 3720 wrote to memory of 1332	3720	0de36eb78d83c3cb89cae8e3792c3bb61c4a02f1bdbf3a51f64375c69fb80a4e.exe	cmd.exe
PID 3720 wrote to memory of 1332	3720	0de36eb78d83c3cb89cae8e3792c3bb61c4a02f1bdbf3a51f64375c69fb80a4e.exe	cmd.exe
PID 1332 wrote to memory of 3676	1332	cmd.exe	PING.EXE
PID 1332 wrote to memory of 3676	1332	cmd.exe	PING.EXE
PID 1332 wrote to memory of 3676	1332	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0de36eb78d83c3cb89cae8e3792c3bb61c4a02f1bdbf3a51f64375c69fb80a4e.exe
"C:\Users\Admin\AppData\Local\Temp\0de36eb78d83c3cb89cae8e3792c3bb61c4a02f1bdbf3a51f64375c69fb80a4e.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3720

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3236

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0de36eb78d83c3cb89cae8e3792c3bb61c4a02f1bdbf3a51f64375c69fb80a4e.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1332

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3676

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2184

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:2160

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:3936

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
8f52f7163f5ec9017ad74930272d5f18

SHA1
02aff1245f799a29bf8c2fbfdd939694326a004f

SHA256
b57c8e9f98f92e098ef2b522da50ddb7c63850cf71d26c5eee2c61e67cc10189

SHA512
2b6c9049bb99043b208faae0c303ff1210b3334b7bb0d777b317843279fb1448101e4ef96cb344bf9e669cb6d8e2e54df70696d49a84f18c26a9e97696b6197d

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

MD5
8f52f7163f5ec9017ad74930272d5f18

SHA1
02aff1245f799a29bf8c2fbfdd939694326a004f

SHA256
b57c8e9f98f92e098ef2b522da50ddb7c63850cf71d26c5eee2c61e67cc10189

SHA512
2b6c9049bb99043b208faae0c303ff1210b3334b7bb0d777b317843279fb1448101e4ef96cb344bf9e669cb6d8e2e54df70696d49a84f18c26a9e97696b6197d

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads