sakula | 10b2bf6aa046146845d968f2350af50215a109034b79deb1375385d69f0b8ab4

General

Target

10b2bf6aa046146845d968f2350af50215a109034b79deb1375385d69f0b8ab4.exe
Size

216KB
MD5

22a8f741f2e94c89d3d95fd05fc1dfba
SHA1

6c50604a4e989d4cb41a32e1518568bcba1ee4e2
SHA256

10b2bf6aa046146845d968f2350af50215a109034b79deb1375385d69f0b8ab4
SHA512

0c20891241dd2bdda591abf7bf2935616bd6be45c72cd9f653a26ae8c16738e884ac096e86a43926a4b749a9b29a5e9922f5e039be1d8480f2dd6f2266634698

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 3 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/2816-132-0x0000000000400000-0x0000000000420000-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

1212 MediaCenter.exe

pid	process
1212	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:

10b2bf6aa046146845d968f2350af50215a109034b79deb1375385d69f0b8ab4.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	10b2bf6aa046146845d968f2350af50215a109034b79deb1375385d69f0b8ab4.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

10b2bf6aa046146845d968f2350af50215a109034b79deb1375385d69f0b8ab4.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"	10b2bf6aa046146845d968f2350af50215a109034b79deb1375385d69f0b8ab4.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 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\Config	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\DownloadMonthlyInternetBytes = "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\PeerInfoCount = "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\UploadRatePct = "100"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.530030"	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\LANConnectionCount = "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\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 (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\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4136"	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\NormalDownloadCount = "0"	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\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 (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\UplinkBps = "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\NormalDownloadPendingCount = "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\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "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\DownloadMonthlyRateFrBps = "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\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.668897"	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\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\Config\KVFileExpirationTime = "132892963300027572"	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\DownlinkBps = "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\Config\DownloadMode_BackCompat = "1"	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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4328"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2932 PING.EXE

pid	process
2932	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

10b2bf6aa046146845d968f2350af50215a109034b79deb1375385d69f0b8ab4.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2816	10b2bf6aa046146845d968f2350af50215a109034b79deb1375385d69f0b8ab4.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

10b2bf6aa046146845d968f2350af50215a109034b79deb1375385d69f0b8ab4.execmd.exe

description	pid	process	target process
PID 2816 wrote to memory of 1212	2816	10b2bf6aa046146845d968f2350af50215a109034b79deb1375385d69f0b8ab4.exe	MediaCenter.exe
PID 2816 wrote to memory of 1212	2816	10b2bf6aa046146845d968f2350af50215a109034b79deb1375385d69f0b8ab4.exe	MediaCenter.exe
PID 2816 wrote to memory of 1212	2816	10b2bf6aa046146845d968f2350af50215a109034b79deb1375385d69f0b8ab4.exe	MediaCenter.exe
PID 2816 wrote to memory of 1404	2816	10b2bf6aa046146845d968f2350af50215a109034b79deb1375385d69f0b8ab4.exe	cmd.exe
PID 2816 wrote to memory of 1404	2816	10b2bf6aa046146845d968f2350af50215a109034b79deb1375385d69f0b8ab4.exe	cmd.exe
PID 2816 wrote to memory of 1404	2816	10b2bf6aa046146845d968f2350af50215a109034b79deb1375385d69f0b8ab4.exe	cmd.exe
PID 1404 wrote to memory of 2932	1404	cmd.exe	PING.EXE
PID 1404 wrote to memory of 2932	1404	cmd.exe	PING.EXE
PID 1404 wrote to memory of 2932	1404	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\10b2bf6aa046146845d968f2350af50215a109034b79deb1375385d69f0b8ab4.exe
"C:\Users\Admin\AppData\Local\Temp\10b2bf6aa046146845d968f2350af50215a109034b79deb1375385d69f0b8ab4.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2816

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1212

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\10b2bf6aa046146845d968f2350af50215a109034b79deb1375385d69f0b8ab4.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1404

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2932

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1708

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:4020

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:3064

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
32cb4629ba18cebed1b4e761aadc9721

SHA1
f91364ee6e596c187f1b670eed8b44e8aa528c2e

SHA256
b8c3d17e634afb706e732193488e25164f9ea944bc46233b83fa4ac59a06bece

SHA512
b00c2e8c2d71444b90f0b031826a9e0edb06223893eef376473a17ecdd28c0147facdce5c628482816cc59b85aed6ad7f4d51572197abbb463f5185fdaf5ddf2

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

MD5
32cb4629ba18cebed1b4e761aadc9721

SHA1
f91364ee6e596c187f1b670eed8b44e8aa528c2e

SHA256
b8c3d17e634afb706e732193488e25164f9ea944bc46233b83fa4ac59a06bece

SHA512
b00c2e8c2d71444b90f0b031826a9e0edb06223893eef376473a17ecdd28c0147facdce5c628482816cc59b85aed6ad7f4d51572197abbb463f5185fdaf5ddf2

Download Submit
memory/2816-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads