sakula | 04a580e1747c9a02e24789ab36cb14f0adb8d17686fb00962e9a31ac18faeab0

General

Target

04a580e1747c9a02e24789ab36cb14f0adb8d17686fb00962e9a31ac18faeab0.exe
Size

36KB
MD5

e062d75fb6b4f4088a7c89c9d6a841e6
SHA1

6ab215a8614c4278a0cf1605f8b5fd170302782e
SHA256

04a580e1747c9a02e24789ab36cb14f0adb8d17686fb00962e9a31ac18faeab0
SHA512

90ac3879dc2a2e9fe1d86d8bd9f307efe658dbf5fa5c82cf0833cf2d6d979b0c43bf5ddf3a5696a89075acfbbc871ccbb54d37d8e5c1f1d7d243177a1d219ce8

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

3568 MediaCenter.exe

pid	process
3568	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:

04a580e1747c9a02e24789ab36cb14f0adb8d17686fb00962e9a31ac18faeab0.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	04a580e1747c9a02e24789ab36cb14f0adb8d17686fb00962e9a31ac18faeab0.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

04a580e1747c9a02e24789ab36cb14f0adb8d17686fb00962e9a31ac18faeab0.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"	04a580e1747c9a02e24789ab36cb14f0adb8d17686fb00962e9a31ac18faeab0.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotifyIcon.exe

Modifies data under HKEY_USERS 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\SwarmCount = "1"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.194250"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "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\UploadMonthlyInternetBytes = "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\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4180"	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\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\CacheSizeBytes = "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\LinkLocalConnectionCount = "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 = "4032"	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\DownloadMonthlyGroupBytes = "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\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\DownlinkUsageBps = "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\LANConnectionCount = "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\Config\DODownloadMode = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893160594294525"	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\CDNConnectionCount = "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\Usage\DownlinkBps = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.884475"	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\UploadMonthlyLanBytes = "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\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\DownloadMonthlyRateFrCnt = "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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4372"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3648 PING.EXE

pid	process
3648	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

04a580e1747c9a02e24789ab36cb14f0adb8d17686fb00962e9a31ac18faeab0.execmd.exe

description	pid	process	target process
PID 2320 wrote to memory of 3568	2320	04a580e1747c9a02e24789ab36cb14f0adb8d17686fb00962e9a31ac18faeab0.exe	MediaCenter.exe
PID 2320 wrote to memory of 3568	2320	04a580e1747c9a02e24789ab36cb14f0adb8d17686fb00962e9a31ac18faeab0.exe	MediaCenter.exe
PID 2320 wrote to memory of 3568	2320	04a580e1747c9a02e24789ab36cb14f0adb8d17686fb00962e9a31ac18faeab0.exe	MediaCenter.exe
PID 2320 wrote to memory of 2776	2320	04a580e1747c9a02e24789ab36cb14f0adb8d17686fb00962e9a31ac18faeab0.exe	cmd.exe
PID 2320 wrote to memory of 2776	2320	04a580e1747c9a02e24789ab36cb14f0adb8d17686fb00962e9a31ac18faeab0.exe	cmd.exe
PID 2320 wrote to memory of 2776	2320	04a580e1747c9a02e24789ab36cb14f0adb8d17686fb00962e9a31ac18faeab0.exe	cmd.exe
PID 2776 wrote to memory of 3648	2776	cmd.exe	PING.EXE
PID 2776 wrote to memory of 3648	2776	cmd.exe	PING.EXE
PID 2776 wrote to memory of 3648	2776	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\04a580e1747c9a02e24789ab36cb14f0adb8d17686fb00962e9a31ac18faeab0.exe
"C:\Users\Admin\AppData\Local\Temp\04a580e1747c9a02e24789ab36cb14f0adb8d17686fb00962e9a31ac18faeab0.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2320

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3568

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\04a580e1747c9a02e24789ab36cb14f0adb8d17686fb00962e9a31ac18faeab0.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2776

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3648

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1772

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:2556

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:3804

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
a2ccbe19d90d5b1ee4f16d07850c73c6

SHA1
dd826165745264be843936eea4b42b84d1f2cf13

SHA256
e34b8ea0ea7e597d949db9ed97374ca4c422f75afaa211399c14b3708c2b5da6

SHA512
e3eddb2ec5ddd3f248a01b2861ec997fe8400404da9a3786a14c62a121490f8645083a8876bb6a18d74d9bcc1ca39b9036b36b23bc8ef4127bdeff0d8eea3765

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
a2ccbe19d90d5b1ee4f16d07850c73c6

SHA1
dd826165745264be843936eea4b42b84d1f2cf13

SHA256
e34b8ea0ea7e597d949db9ed97374ca4c422f75afaa211399c14b3708c2b5da6

SHA512
e3eddb2ec5ddd3f248a01b2861ec997fe8400404da9a3786a14c62a121490f8645083a8876bb6a18d74d9bcc1ca39b9036b36b23bc8ef4127bdeff0d8eea3765

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads