sakula | 16f57f17126de49c918e499e73fb3911970bcd7e46754151d4678d21ef68e07a

General

Target

16f57f17126de49c918e499e73fb3911970bcd7e46754151d4678d21ef68e07a.exe
Size

36KB
MD5

e38b889bd8ce530aab35327d85cf0266
SHA1

6e7f2b60a9d65edf056a669707044382654e6ef7
SHA256

16f57f17126de49c918e499e73fb3911970bcd7e46754151d4678d21ef68e07a
SHA512

292b4e94b5b74e7df431e434497a7c562bc78852456b402ae9d9c530600a103306ed7fc59c9e5445600ebda5a0c8be6ab17178784c890927bfe63f9e130634f2

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

2160 MediaCenter.exe

pid	process
2160	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:

16f57f17126de49c918e499e73fb3911970bcd7e46754151d4678d21ef68e07a.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	16f57f17126de49c918e499e73fb3911970bcd7e46754151d4678d21ef68e07a.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

16f57f17126de49c918e499e73fb3911970bcd7e46754151d4678d21ef68e07a.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"	16f57f17126de49c918e499e73fb3911970bcd7e46754151d4678d21ef68e07a.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\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 (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\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\LANConnectionCount = "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\DownloadMonthlyLanBytes = "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 = "11.294028"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0"	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\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\UploadCount = "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\Usage\DownloadMonthlyGroupBytes = "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\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.339334"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4084"	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\DownloadMonthlyCacheHostBytes = "0"	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 = "0.000000"	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\FrDownloadRatePct = "90"	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\Config\KVFileExpirationTime = "132892874755895103"	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\DownloadMonthlyLinkLocalBytes = "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\DownlinkUsageBps = "0"	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\UploadMonthlyInternetBytes = "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\DownloadMonthlyRateFrCnt = "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\BkDownloadRatePct = "45"	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\Config\DownloadMode_BackCompat = "1"	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\MemoryUsageKB = "4276"	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\InternetConnectionCount = "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

1776 PING.EXE

pid	process
1776	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

16f57f17126de49c918e499e73fb3911970bcd7e46754151d4678d21ef68e07a.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1232	16f57f17126de49c918e499e73fb3911970bcd7e46754151d4678d21ef68e07a.exe
Token: SeSecurityPrivilege	3792	TiWorker.exe
Token: SeRestorePrivilege	3792	TiWorker.exe
Token: SeBackupPrivilege	3792	TiWorker.exe
Token: SeBackupPrivilege	3792	TiWorker.exe
Token: SeRestorePrivilege	3792	TiWorker.exe
Token: SeSecurityPrivilege	3792	TiWorker.exe
Token: SeBackupPrivilege	3792	TiWorker.exe
Token: SeRestorePrivilege	3792	TiWorker.exe
Token: SeSecurityPrivilege	3792	TiWorker.exe
Token: SeBackupPrivilege	3792	TiWorker.exe
Token: SeRestorePrivilege	3792	TiWorker.exe
Token: SeSecurityPrivilege	3792	TiWorker.exe
Token: SeBackupPrivilege	3792	TiWorker.exe
Token: SeRestorePrivilege	3792	TiWorker.exe
Token: SeSecurityPrivilege	3792	TiWorker.exe
Token: SeBackupPrivilege	3792	TiWorker.exe
Token: SeRestorePrivilege	3792	TiWorker.exe
Token: SeSecurityPrivilege	3792	TiWorker.exe
Token: SeBackupPrivilege	3792	TiWorker.exe
Token: SeRestorePrivilege	3792	TiWorker.exe
Token: SeSecurityPrivilege	3792	TiWorker.exe
Token: SeBackupPrivilege	3792	TiWorker.exe
Token: SeRestorePrivilege	3792	TiWorker.exe
Token: SeSecurityPrivilege	3792	TiWorker.exe
Token: SeBackupPrivilege	3792	TiWorker.exe
Token: SeRestorePrivilege	3792	TiWorker.exe
Token: SeSecurityPrivilege	3792	TiWorker.exe
Token: SeBackupPrivilege	3792	TiWorker.exe
Token: SeRestorePrivilege	3792	TiWorker.exe
Token: SeSecurityPrivilege	3792	TiWorker.exe
Token: SeBackupPrivilege	3792	TiWorker.exe
Token: SeRestorePrivilege	3792	TiWorker.exe
Token: SeSecurityPrivilege	3792	TiWorker.exe
Token: SeBackupPrivilege	3792	TiWorker.exe
Token: SeRestorePrivilege	3792	TiWorker.exe
Token: SeSecurityPrivilege	3792	TiWorker.exe
Token: SeBackupPrivilege	3792	TiWorker.exe
Token: SeRestorePrivilege	3792	TiWorker.exe
Token: SeSecurityPrivilege	3792	TiWorker.exe
Token: SeBackupPrivilege	3792	TiWorker.exe
Token: SeRestorePrivilege	3792	TiWorker.exe
Token: SeSecurityPrivilege	3792	TiWorker.exe
Token: SeBackupPrivilege	3792	TiWorker.exe
Token: SeRestorePrivilege	3792	TiWorker.exe
Token: SeSecurityPrivilege	3792	TiWorker.exe
Token: SeBackupPrivilege	3792	TiWorker.exe
Token: SeRestorePrivilege	3792	TiWorker.exe
Token: SeSecurityPrivilege	3792	TiWorker.exe
Token: SeBackupPrivilege	3792	TiWorker.exe
Token: SeRestorePrivilege	3792	TiWorker.exe
Token: SeSecurityPrivilege	3792	TiWorker.exe
Token: SeBackupPrivilege	3792	TiWorker.exe
Token: SeRestorePrivilege	3792	TiWorker.exe
Token: SeSecurityPrivilege	3792	TiWorker.exe
Token: SeBackupPrivilege	3792	TiWorker.exe
Token: SeRestorePrivilege	3792	TiWorker.exe
Token: SeSecurityPrivilege	3792	TiWorker.exe
Token: SeBackupPrivilege	3792	TiWorker.exe
Token: SeRestorePrivilege	3792	TiWorker.exe
Token: SeSecurityPrivilege	3792	TiWorker.exe
Token: SeBackupPrivilege	3792	TiWorker.exe
Token: SeRestorePrivilege	3792	TiWorker.exe
Token: SeSecurityPrivilege	3792	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

16f57f17126de49c918e499e73fb3911970bcd7e46754151d4678d21ef68e07a.execmd.exe

description	pid	process	target process
PID 1232 wrote to memory of 2160	1232	16f57f17126de49c918e499e73fb3911970bcd7e46754151d4678d21ef68e07a.exe	MediaCenter.exe
PID 1232 wrote to memory of 2160	1232	16f57f17126de49c918e499e73fb3911970bcd7e46754151d4678d21ef68e07a.exe	MediaCenter.exe
PID 1232 wrote to memory of 2160	1232	16f57f17126de49c918e499e73fb3911970bcd7e46754151d4678d21ef68e07a.exe	MediaCenter.exe
PID 1232 wrote to memory of 2516	1232	16f57f17126de49c918e499e73fb3911970bcd7e46754151d4678d21ef68e07a.exe	cmd.exe
PID 1232 wrote to memory of 2516	1232	16f57f17126de49c918e499e73fb3911970bcd7e46754151d4678d21ef68e07a.exe	cmd.exe
PID 1232 wrote to memory of 2516	1232	16f57f17126de49c918e499e73fb3911970bcd7e46754151d4678d21ef68e07a.exe	cmd.exe
PID 2516 wrote to memory of 1776	2516	cmd.exe	PING.EXE
PID 2516 wrote to memory of 1776	2516	cmd.exe	PING.EXE
PID 2516 wrote to memory of 1776	2516	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\16f57f17126de49c918e499e73fb3911970bcd7e46754151d4678d21ef68e07a.exe
"C:\Users\Admin\AppData\Local\Temp\16f57f17126de49c918e499e73fb3911970bcd7e46754151d4678d21ef68e07a.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1232

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2160

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\16f57f17126de49c918e499e73fb3911970bcd7e46754151d4678d21ef68e07a.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2516

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1776

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1260

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:3384

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:3792

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
7326554002144f8c7dbe6d66b016b419

SHA1
01cf93c9b2e7c6ad275272af8a165e8bf1ef05f2

SHA256
b5bb8163bbb7596930a38e90848de711ec742df5e1d57b3f7ceb248624f5e60f

SHA512
4f61e6cdc071e407e9ab2882ab7a123213670f87bf6e895fd35cef4020e445af6278caf0ab7d48e219d604e88ffd6caca47bf9951324448eafb535c5bd3ce7e2

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

MD5
7326554002144f8c7dbe6d66b016b419

SHA1
01cf93c9b2e7c6ad275272af8a165e8bf1ef05f2

SHA256
b5bb8163bbb7596930a38e90848de711ec742df5e1d57b3f7ceb248624f5e60f

SHA512
4f61e6cdc071e407e9ab2882ab7a123213670f87bf6e895fd35cef4020e445af6278caf0ab7d48e219d604e88ffd6caca47bf9951324448eafb535c5bd3ce7e2

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads