sakula | 16bd45080ea83236ff9da44bd7813a3197787be470f39f21962726d6802125ad

General

Target

16bd45080ea83236ff9da44bd7813a3197787be470f39f21962726d6802125ad.exe
Size

120KB
MD5

d8bb261d29021caa575e48f7ee8f0b21
SHA1

1762cbd210a2a4ce168f5678b0cd40a78a03b18c
SHA256

16bd45080ea83236ff9da44bd7813a3197787be470f39f21962726d6802125ad
SHA512

026c4f64dce0c3d6c26cdb789f90f77c3caff6dd97bdc6e601c6912eb5c6f7766cf1abafc25b80f8f5f4d222ac38ae0db5b3572b83c046265bebb5cd52e3a747

Score

10^/10

sakula persistence rat suricata trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula

Sakula Payload 4 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
behavioral2/memory/616-135-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula
behavioral2/memory/2916-136-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

2916 MediaCenter.exe

pid	process
2916	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:

16bd45080ea83236ff9da44bd7813a3197787be470f39f21962726d6802125ad.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	16bd45080ea83236ff9da44bd7813a3197787be470f39f21962726d6802125ad.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

16bd45080ea83236ff9da44bd7813a3197787be470f39f21962726d6802125ad.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"	16bd45080ea83236ff9da44bd7813a3197787be470f39f21962726d6802125ad.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
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
File opened for modification	C:\Windows\Logs\CBS\CBS.log	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\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.105448"	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\GroupConnectionCount = "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\DownlinkUsageBps = "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\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\LANConnectionCount = "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
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\DownloadMonthlyLanBytes = "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 (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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "16.710908"	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\DownloadMonthlyRateBkBps = "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\NormalDownloadCount = "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\UploadMonthlyInternetBytes = "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\UploadRatePct = "100"	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\Config\DODownloadMode = "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 = "0.284386"	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\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "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\Config\KVFileExpirationTime = "132892879077726694"	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\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4288"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4096"	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\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\DownloadMonthlyRateFrCnt = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3580 PING.EXE

pid	process
3580	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

16bd45080ea83236ff9da44bd7813a3197787be470f39f21962726d6802125ad.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	616	16bd45080ea83236ff9da44bd7813a3197787be470f39f21962726d6802125ad.exe
Token: SeSecurityPrivilege	1768	TiWorker.exe
Token: SeRestorePrivilege	1768	TiWorker.exe
Token: SeBackupPrivilege	1768	TiWorker.exe
Token: SeBackupPrivilege	1768	TiWorker.exe
Token: SeRestorePrivilege	1768	TiWorker.exe
Token: SeSecurityPrivilege	1768	TiWorker.exe
Token: SeBackupPrivilege	1768	TiWorker.exe
Token: SeRestorePrivilege	1768	TiWorker.exe
Token: SeSecurityPrivilege	1768	TiWorker.exe
Token: SeBackupPrivilege	1768	TiWorker.exe
Token: SeRestorePrivilege	1768	TiWorker.exe
Token: SeSecurityPrivilege	1768	TiWorker.exe
Token: SeBackupPrivilege	1768	TiWorker.exe
Token: SeRestorePrivilege	1768	TiWorker.exe
Token: SeSecurityPrivilege	1768	TiWorker.exe
Token: SeBackupPrivilege	1768	TiWorker.exe
Token: SeRestorePrivilege	1768	TiWorker.exe
Token: SeSecurityPrivilege	1768	TiWorker.exe
Token: SeBackupPrivilege	1768	TiWorker.exe
Token: SeRestorePrivilege	1768	TiWorker.exe
Token: SeSecurityPrivilege	1768	TiWorker.exe
Token: SeBackupPrivilege	1768	TiWorker.exe
Token: SeRestorePrivilege	1768	TiWorker.exe
Token: SeSecurityPrivilege	1768	TiWorker.exe
Token: SeBackupPrivilege	1768	TiWorker.exe
Token: SeRestorePrivilege	1768	TiWorker.exe
Token: SeSecurityPrivilege	1768	TiWorker.exe
Token: SeBackupPrivilege	1768	TiWorker.exe
Token: SeRestorePrivilege	1768	TiWorker.exe
Token: SeSecurityPrivilege	1768	TiWorker.exe
Token: SeBackupPrivilege	1768	TiWorker.exe
Token: SeRestorePrivilege	1768	TiWorker.exe
Token: SeSecurityPrivilege	1768	TiWorker.exe
Token: SeBackupPrivilege	1768	TiWorker.exe
Token: SeRestorePrivilege	1768	TiWorker.exe
Token: SeSecurityPrivilege	1768	TiWorker.exe
Token: SeBackupPrivilege	1768	TiWorker.exe
Token: SeRestorePrivilege	1768	TiWorker.exe
Token: SeSecurityPrivilege	1768	TiWorker.exe
Token: SeBackupPrivilege	1768	TiWorker.exe
Token: SeRestorePrivilege	1768	TiWorker.exe
Token: SeSecurityPrivilege	1768	TiWorker.exe
Token: SeBackupPrivilege	1768	TiWorker.exe
Token: SeRestorePrivilege	1768	TiWorker.exe
Token: SeSecurityPrivilege	1768	TiWorker.exe
Token: SeBackupPrivilege	1768	TiWorker.exe
Token: SeRestorePrivilege	1768	TiWorker.exe
Token: SeSecurityPrivilege	1768	TiWorker.exe
Token: SeBackupPrivilege	1768	TiWorker.exe
Token: SeRestorePrivilege	1768	TiWorker.exe
Token: SeSecurityPrivilege	1768	TiWorker.exe
Token: SeBackupPrivilege	1768	TiWorker.exe
Token: SeRestorePrivilege	1768	TiWorker.exe
Token: SeSecurityPrivilege	1768	TiWorker.exe
Token: SeBackupPrivilege	1768	TiWorker.exe
Token: SeRestorePrivilege	1768	TiWorker.exe
Token: SeSecurityPrivilege	1768	TiWorker.exe
Token: SeBackupPrivilege	1768	TiWorker.exe
Token: SeRestorePrivilege	1768	TiWorker.exe
Token: SeSecurityPrivilege	1768	TiWorker.exe
Token: SeBackupPrivilege	1768	TiWorker.exe
Token: SeRestorePrivilege	1768	TiWorker.exe
Token: SeSecurityPrivilege	1768	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

16bd45080ea83236ff9da44bd7813a3197787be470f39f21962726d6802125ad.execmd.exe

description	pid	process	target process
PID 616 wrote to memory of 2916	616	16bd45080ea83236ff9da44bd7813a3197787be470f39f21962726d6802125ad.exe	MediaCenter.exe
PID 616 wrote to memory of 2916	616	16bd45080ea83236ff9da44bd7813a3197787be470f39f21962726d6802125ad.exe	MediaCenter.exe
PID 616 wrote to memory of 2916	616	16bd45080ea83236ff9da44bd7813a3197787be470f39f21962726d6802125ad.exe	MediaCenter.exe
PID 616 wrote to memory of 2480	616	16bd45080ea83236ff9da44bd7813a3197787be470f39f21962726d6802125ad.exe	cmd.exe
PID 616 wrote to memory of 2480	616	16bd45080ea83236ff9da44bd7813a3197787be470f39f21962726d6802125ad.exe	cmd.exe
PID 616 wrote to memory of 2480	616	16bd45080ea83236ff9da44bd7813a3197787be470f39f21962726d6802125ad.exe	cmd.exe
PID 2480 wrote to memory of 3580	2480	cmd.exe	PING.EXE
PID 2480 wrote to memory of 3580	2480	cmd.exe	PING.EXE
PID 2480 wrote to memory of 3580	2480	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\16bd45080ea83236ff9da44bd7813a3197787be470f39f21962726d6802125ad.exe
"C:\Users\Admin\AppData\Local\Temp\16bd45080ea83236ff9da44bd7813a3197787be470f39f21962726d6802125ad.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:616

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2916

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\16bd45080ea83236ff9da44bd7813a3197787be470f39f21962726d6802125ad.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2480

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3580

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3348

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:1252

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:1768

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
ccddda5b0b4c48ecebca76bede9eab96

SHA1
6c3072020e4b4a4a685675bd6f2c016954c07230

SHA256
1db7b444e8c754d7e5443e586203f47514cedb1aaf242bdf51384ef93d13f194

SHA512
ed315d4160aaddc3db474ca7ebd8e672c0297e52bfa1335e44d3b28ed7aefa64679d443a9ebd24cde479a2cbb83acae1cac39c38ab7ffa7827a69f4365e1db71

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

MD5
ccddda5b0b4c48ecebca76bede9eab96

SHA1
6c3072020e4b4a4a685675bd6f2c016954c07230

SHA256
1db7b444e8c754d7e5443e586203f47514cedb1aaf242bdf51384ef93d13f194

SHA512
ed315d4160aaddc3db474ca7ebd8e672c0297e52bfa1335e44d3b28ed7aefa64679d443a9ebd24cde479a2cbb83acae1cac39c38ab7ffa7827a69f4365e1db71

Download Submit
memory/616-135-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2916-136-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads