sakula | 162c526f8992663dd44efe8e4246c0487ccedb8e721b4986ac1da1b5848b94e0

General

Target

162c526f8992663dd44efe8e4246c0487ccedb8e721b4986ac1da1b5848b94e0.exe
Size

99KB
MD5

3d1077680d34ed9e6f5387ee63089d41
SHA1

34fd292ef2405362b566172a015955657dbc4f59
SHA256

162c526f8992663dd44efe8e4246c0487ccedb8e721b4986ac1da1b5848b94e0
SHA512

0ef583a4d0a6584d6821a490770f5a77386d87b32e2a18fcb4fed0c55b9d7c3e1b55b10658b047a0b537992cc23135579445dc879d317aea2daca0f3834f3e9b

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

3216 MediaCenter.exe

pid	process
3216	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:

162c526f8992663dd44efe8e4246c0487ccedb8e721b4986ac1da1b5848b94e0.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	162c526f8992663dd44efe8e4246c0487ccedb8e721b4986ac1da1b5848b94e0.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

162c526f8992663dd44efe8e4246c0487ccedb8e721b4986ac1da1b5848b94e0.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"	162c526f8992663dd44efe8e4246c0487ccedb8e721b4986ac1da1b5848b94e0.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
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\DownloadMonthlyRateFrBps = "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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892886530416409"	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 = "1.492556"	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\UploadMonthlyInternetBytes = "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\SwarmCount = "1"	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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.470584"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "16.651250"	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\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\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\InternetConnectionCount = "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\SwarmCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "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\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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4244"	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\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\MonthlyUploadRestriction = "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\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4144"	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\DownloadMonthlyInternetBytes = "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\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\UploadCount = "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\Usage	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\DownloadMonthlyCacheHostBytes = "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\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4044 PING.EXE

pid	process
4044	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

162c526f8992663dd44efe8e4246c0487ccedb8e721b4986ac1da1b5848b94e0.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	4056	162c526f8992663dd44efe8e4246c0487ccedb8e721b4986ac1da1b5848b94e0.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe
Token: SeBackupPrivilege	3088	TiWorker.exe
Token: SeRestorePrivilege	3088	TiWorker.exe
Token: SeSecurityPrivilege	3088	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

162c526f8992663dd44efe8e4246c0487ccedb8e721b4986ac1da1b5848b94e0.execmd.exe

description	pid	process	target process
PID 4056 wrote to memory of 3216	4056	162c526f8992663dd44efe8e4246c0487ccedb8e721b4986ac1da1b5848b94e0.exe	MediaCenter.exe
PID 4056 wrote to memory of 3216	4056	162c526f8992663dd44efe8e4246c0487ccedb8e721b4986ac1da1b5848b94e0.exe	MediaCenter.exe
PID 4056 wrote to memory of 3216	4056	162c526f8992663dd44efe8e4246c0487ccedb8e721b4986ac1da1b5848b94e0.exe	MediaCenter.exe
PID 4056 wrote to memory of 3024	4056	162c526f8992663dd44efe8e4246c0487ccedb8e721b4986ac1da1b5848b94e0.exe	cmd.exe
PID 4056 wrote to memory of 3024	4056	162c526f8992663dd44efe8e4246c0487ccedb8e721b4986ac1da1b5848b94e0.exe	cmd.exe
PID 4056 wrote to memory of 3024	4056	162c526f8992663dd44efe8e4246c0487ccedb8e721b4986ac1da1b5848b94e0.exe	cmd.exe
PID 3024 wrote to memory of 4044	3024	cmd.exe	PING.EXE
PID 3024 wrote to memory of 4044	3024	cmd.exe	PING.EXE
PID 3024 wrote to memory of 4044	3024	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\162c526f8992663dd44efe8e4246c0487ccedb8e721b4986ac1da1b5848b94e0.exe
"C:\Users\Admin\AppData\Local\Temp\162c526f8992663dd44efe8e4246c0487ccedb8e721b4986ac1da1b5848b94e0.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4056

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3216

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\162c526f8992663dd44efe8e4246c0487ccedb8e721b4986ac1da1b5848b94e0.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3024

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:4044

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3696

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:1668

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:3088

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
b0018e08ada96243a02cb289b313b19f

SHA1
e847ba4c14255883f544b67f53caf6b741fb83e6

SHA256
937e64be3cb36a61c8eb5b65c61bd5617b66bec0a776da3aae5aff919219376c

SHA512
fbbabdf4138fbb92ce4e8f06edb9cc07e9652099155a25e38848e14e5a8bf423aaeee8ae58c483a4b097ce58da237ae239118347e657059092c7803447b7d43a

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

MD5
b0018e08ada96243a02cb289b313b19f

SHA1
e847ba4c14255883f544b67f53caf6b741fb83e6

SHA256
937e64be3cb36a61c8eb5b65c61bd5617b66bec0a776da3aae5aff919219376c

SHA512
fbbabdf4138fbb92ce4e8f06edb9cc07e9652099155a25e38848e14e5a8bf423aaeee8ae58c483a4b097ce58da237ae239118347e657059092c7803447b7d43a

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads