sakula | 0944ce9ed7860d600073a8c0f4695c4e9e0b4312c05dbd2be68dbc233fee6b57

General

Target

0944ce9ed7860d600073a8c0f4695c4e9e0b4312c05dbd2be68dbc233fee6b57.exe
Size

99KB
MD5

8dc605fb92f85af7612f7fe5bc38bc11
SHA1

1c79e268ecbd6c5f964084823c0081c355a66a00
SHA256

0944ce9ed7860d600073a8c0f4695c4e9e0b4312c05dbd2be68dbc233fee6b57
SHA512

cd0afe4a580f58928628de700be4a38ad9bd984184965f229a658fc43e5b787bfcdede56ff0d3cb7151221a3222d7ea3941c0722d8063780c1c443bfd5263e17

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

1856 MediaCenter.exe

pid	process
1856	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:

0944ce9ed7860d600073a8c0f4695c4e9e0b4312c05dbd2be68dbc233fee6b57.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0944ce9ed7860d600073a8c0f4695c4e9e0b4312c05dbd2be68dbc233fee6b57.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0944ce9ed7860d600073a8c0f4695c4e9e0b4312c05dbd2be68dbc233fee6b57.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"	0944ce9ed7860d600073a8c0f4695c4e9e0b4312c05dbd2be68dbc233fee6b57.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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.612968"	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\Config\KVFileExpirationTime = "132893090222004174"	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\CDNConnectionCount = "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\SwarmCount = "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\DownlinkBps = "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\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	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\DownloadMonthlyCdnBytes = "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\UplinkUsageBps = "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\DownloadMonthlyRateFrCnt = "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 (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\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\InternetConnectionCount = "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\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\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.812520"	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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4264"	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
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\Usage\DownloadMonthlyLanBytes = "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\LANConnectionCount = "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\MemoryUsageKB = "4044"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3052 PING.EXE

pid	process
3052	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0944ce9ed7860d600073a8c0f4695c4e9e0b4312c05dbd2be68dbc233fee6b57.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1516	0944ce9ed7860d600073a8c0f4695c4e9e0b4312c05dbd2be68dbc233fee6b57.exe
Token: SeSecurityPrivilege	2896	TiWorker.exe
Token: SeRestorePrivilege	2896	TiWorker.exe
Token: SeBackupPrivilege	2896	TiWorker.exe
Token: SeBackupPrivilege	2896	TiWorker.exe
Token: SeRestorePrivilege	2896	TiWorker.exe
Token: SeSecurityPrivilege	2896	TiWorker.exe
Token: SeBackupPrivilege	2896	TiWorker.exe
Token: SeRestorePrivilege	2896	TiWorker.exe
Token: SeSecurityPrivilege	2896	TiWorker.exe
Token: SeBackupPrivilege	2896	TiWorker.exe
Token: SeRestorePrivilege	2896	TiWorker.exe
Token: SeSecurityPrivilege	2896	TiWorker.exe
Token: SeBackupPrivilege	2896	TiWorker.exe
Token: SeRestorePrivilege	2896	TiWorker.exe
Token: SeSecurityPrivilege	2896	TiWorker.exe
Token: SeBackupPrivilege	2896	TiWorker.exe
Token: SeRestorePrivilege	2896	TiWorker.exe
Token: SeSecurityPrivilege	2896	TiWorker.exe
Token: SeBackupPrivilege	2896	TiWorker.exe
Token: SeRestorePrivilege	2896	TiWorker.exe
Token: SeSecurityPrivilege	2896	TiWorker.exe
Token: SeBackupPrivilege	2896	TiWorker.exe
Token: SeRestorePrivilege	2896	TiWorker.exe
Token: SeSecurityPrivilege	2896	TiWorker.exe
Token: SeBackupPrivilege	2896	TiWorker.exe
Token: SeRestorePrivilege	2896	TiWorker.exe
Token: SeSecurityPrivilege	2896	TiWorker.exe
Token: SeBackupPrivilege	2896	TiWorker.exe
Token: SeRestorePrivilege	2896	TiWorker.exe
Token: SeSecurityPrivilege	2896	TiWorker.exe
Token: SeBackupPrivilege	2896	TiWorker.exe
Token: SeRestorePrivilege	2896	TiWorker.exe
Token: SeSecurityPrivilege	2896	TiWorker.exe
Token: SeBackupPrivilege	2896	TiWorker.exe
Token: SeRestorePrivilege	2896	TiWorker.exe
Token: SeSecurityPrivilege	2896	TiWorker.exe
Token: SeBackupPrivilege	2896	TiWorker.exe
Token: SeRestorePrivilege	2896	TiWorker.exe
Token: SeSecurityPrivilege	2896	TiWorker.exe
Token: SeBackupPrivilege	2896	TiWorker.exe
Token: SeRestorePrivilege	2896	TiWorker.exe
Token: SeSecurityPrivilege	2896	TiWorker.exe
Token: SeBackupPrivilege	2896	TiWorker.exe
Token: SeRestorePrivilege	2896	TiWorker.exe
Token: SeSecurityPrivilege	2896	TiWorker.exe
Token: SeBackupPrivilege	2896	TiWorker.exe
Token: SeRestorePrivilege	2896	TiWorker.exe
Token: SeSecurityPrivilege	2896	TiWorker.exe
Token: SeBackupPrivilege	2896	TiWorker.exe
Token: SeRestorePrivilege	2896	TiWorker.exe
Token: SeSecurityPrivilege	2896	TiWorker.exe
Token: SeBackupPrivilege	2896	TiWorker.exe
Token: SeRestorePrivilege	2896	TiWorker.exe
Token: SeSecurityPrivilege	2896	TiWorker.exe
Token: SeBackupPrivilege	2896	TiWorker.exe
Token: SeRestorePrivilege	2896	TiWorker.exe
Token: SeSecurityPrivilege	2896	TiWorker.exe
Token: SeBackupPrivilege	2896	TiWorker.exe
Token: SeRestorePrivilege	2896	TiWorker.exe
Token: SeSecurityPrivilege	2896	TiWorker.exe
Token: SeBackupPrivilege	2896	TiWorker.exe
Token: SeRestorePrivilege	2896	TiWorker.exe
Token: SeSecurityPrivilege	2896	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0944ce9ed7860d600073a8c0f4695c4e9e0b4312c05dbd2be68dbc233fee6b57.execmd.exe

description	pid	process	target process
PID 1516 wrote to memory of 1856	1516	0944ce9ed7860d600073a8c0f4695c4e9e0b4312c05dbd2be68dbc233fee6b57.exe	MediaCenter.exe
PID 1516 wrote to memory of 1856	1516	0944ce9ed7860d600073a8c0f4695c4e9e0b4312c05dbd2be68dbc233fee6b57.exe	MediaCenter.exe
PID 1516 wrote to memory of 1856	1516	0944ce9ed7860d600073a8c0f4695c4e9e0b4312c05dbd2be68dbc233fee6b57.exe	MediaCenter.exe
PID 1516 wrote to memory of 2528	1516	0944ce9ed7860d600073a8c0f4695c4e9e0b4312c05dbd2be68dbc233fee6b57.exe	cmd.exe
PID 1516 wrote to memory of 2528	1516	0944ce9ed7860d600073a8c0f4695c4e9e0b4312c05dbd2be68dbc233fee6b57.exe	cmd.exe
PID 1516 wrote to memory of 2528	1516	0944ce9ed7860d600073a8c0f4695c4e9e0b4312c05dbd2be68dbc233fee6b57.exe	cmd.exe
PID 2528 wrote to memory of 3052	2528	cmd.exe	PING.EXE
PID 2528 wrote to memory of 3052	2528	cmd.exe	PING.EXE
PID 2528 wrote to memory of 3052	2528	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0944ce9ed7860d600073a8c0f4695c4e9e0b4312c05dbd2be68dbc233fee6b57.exe
"C:\Users\Admin\AppData\Local\Temp\0944ce9ed7860d600073a8c0f4695c4e9e0b4312c05dbd2be68dbc233fee6b57.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1516

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1856

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0944ce9ed7860d600073a8c0f4695c4e9e0b4312c05dbd2be68dbc233fee6b57.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2528

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3052

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2192

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:3196

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:2896

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
851406038dbf23ce8d5976797ae94a6d

SHA1
42e0ef4635fc1ae8f382f8d523636751e4ef1b3c

SHA256
5468af79b538ef75e0ae08b6a4f9c589ad007b8837e8d30d435e1019d7113695

SHA512
ae7e88df2f1dc079fa8ed7257f5d4dbeb749e9b1a9f798ddba9addd20b60bb8537bdc51904725c57c19cc122c76908c7c20e82337e9a8fdf09cabcf38a343583

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
851406038dbf23ce8d5976797ae94a6d

SHA1
42e0ef4635fc1ae8f382f8d523636751e4ef1b3c

SHA256
5468af79b538ef75e0ae08b6a4f9c589ad007b8837e8d30d435e1019d7113695

SHA512
ae7e88df2f1dc079fa8ed7257f5d4dbeb749e9b1a9f798ddba9addd20b60bb8537bdc51904725c57c19cc122c76908c7c20e82337e9a8fdf09cabcf38a343583

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads