sakula | 0b3e3dbbcacdbf35ac5c18e8916c80de62c6fd932865cceb24a2575c7b522e8c

General

Target

0b3e3dbbcacdbf35ac5c18e8916c80de62c6fd932865cceb24a2575c7b522e8c.exe
Size

92KB
MD5

080d087d7794652a543f7846893633b4
SHA1

c5b4080d402223a327ff76bcf634021bd7730697
SHA256

0b3e3dbbcacdbf35ac5c18e8916c80de62c6fd932865cceb24a2575c7b522e8c
SHA512

94c3fe91964d754626f88e061fb1eef3b354b7552ebbd51c4e16acb67d5e384c18aad5578ac10d674dc0470aa3a69cf95e92dac11eb80d06c045830b1c239c89

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 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

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

1500 MediaCenter.exe

pid	process
1500	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:

0b3e3dbbcacdbf35ac5c18e8916c80de62c6fd932865cceb24a2575c7b522e8c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0b3e3dbbcacdbf35ac5c18e8916c80de62c6fd932865cceb24a2575c7b522e8c.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0b3e3dbbcacdbf35ac5c18e8916c80de62c6fd932865cceb24a2575c7b522e8c.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"	0b3e3dbbcacdbf35ac5c18e8916c80de62c6fd932865cceb24a2575c7b522e8c.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\MonthID = "2"	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 = "3.017268"	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\Config\DownloadMode_BackCompat = "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\Config\DODownloadMode = "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\DownlinkBps = "0"	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\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\DownloadMonthlyRateBkCnt = "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\PeerInfoCount = "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\InternetConnectionCount = "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	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\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893043458848497"	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\NormalDownloadCount = "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\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\DownloadMonthlyCacheHostBytes = "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\DownloadMonthlyRateFrCnt = "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\DownlinkUsageBps = "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\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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4304"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.090743"	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\DownloadMonthlyGroupBytes = "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\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4168"	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\DownloadMonthlyRateBkBps = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.165289"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3228 PING.EXE

pid	process
3228	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0b3e3dbbcacdbf35ac5c18e8916c80de62c6fd932865cceb24a2575c7b522e8c.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2484	0b3e3dbbcacdbf35ac5c18e8916c80de62c6fd932865cceb24a2575c7b522e8c.exe
Token: SeSecurityPrivilege	2400	TiWorker.exe
Token: SeRestorePrivilege	2400	TiWorker.exe
Token: SeBackupPrivilege	2400	TiWorker.exe
Token: SeBackupPrivilege	2400	TiWorker.exe
Token: SeRestorePrivilege	2400	TiWorker.exe
Token: SeSecurityPrivilege	2400	TiWorker.exe
Token: SeBackupPrivilege	2400	TiWorker.exe
Token: SeRestorePrivilege	2400	TiWorker.exe
Token: SeSecurityPrivilege	2400	TiWorker.exe
Token: SeBackupPrivilege	2400	TiWorker.exe
Token: SeRestorePrivilege	2400	TiWorker.exe
Token: SeSecurityPrivilege	2400	TiWorker.exe
Token: SeBackupPrivilege	2400	TiWorker.exe
Token: SeRestorePrivilege	2400	TiWorker.exe
Token: SeSecurityPrivilege	2400	TiWorker.exe
Token: SeBackupPrivilege	2400	TiWorker.exe
Token: SeRestorePrivilege	2400	TiWorker.exe
Token: SeSecurityPrivilege	2400	TiWorker.exe
Token: SeBackupPrivilege	2400	TiWorker.exe
Token: SeRestorePrivilege	2400	TiWorker.exe
Token: SeSecurityPrivilege	2400	TiWorker.exe
Token: SeBackupPrivilege	2400	TiWorker.exe
Token: SeRestorePrivilege	2400	TiWorker.exe
Token: SeSecurityPrivilege	2400	TiWorker.exe
Token: SeBackupPrivilege	2400	TiWorker.exe
Token: SeRestorePrivilege	2400	TiWorker.exe
Token: SeSecurityPrivilege	2400	TiWorker.exe
Token: SeBackupPrivilege	2400	TiWorker.exe
Token: SeRestorePrivilege	2400	TiWorker.exe
Token: SeSecurityPrivilege	2400	TiWorker.exe
Token: SeBackupPrivilege	2400	TiWorker.exe
Token: SeRestorePrivilege	2400	TiWorker.exe
Token: SeSecurityPrivilege	2400	TiWorker.exe
Token: SeBackupPrivilege	2400	TiWorker.exe
Token: SeRestorePrivilege	2400	TiWorker.exe
Token: SeSecurityPrivilege	2400	TiWorker.exe
Token: SeBackupPrivilege	2400	TiWorker.exe
Token: SeRestorePrivilege	2400	TiWorker.exe
Token: SeSecurityPrivilege	2400	TiWorker.exe
Token: SeBackupPrivilege	2400	TiWorker.exe
Token: SeRestorePrivilege	2400	TiWorker.exe
Token: SeSecurityPrivilege	2400	TiWorker.exe
Token: SeBackupPrivilege	2400	TiWorker.exe
Token: SeRestorePrivilege	2400	TiWorker.exe
Token: SeSecurityPrivilege	2400	TiWorker.exe
Token: SeBackupPrivilege	2400	TiWorker.exe
Token: SeRestorePrivilege	2400	TiWorker.exe
Token: SeSecurityPrivilege	2400	TiWorker.exe
Token: SeBackupPrivilege	2400	TiWorker.exe
Token: SeRestorePrivilege	2400	TiWorker.exe
Token: SeSecurityPrivilege	2400	TiWorker.exe
Token: SeBackupPrivilege	2400	TiWorker.exe
Token: SeRestorePrivilege	2400	TiWorker.exe
Token: SeSecurityPrivilege	2400	TiWorker.exe
Token: SeBackupPrivilege	2400	TiWorker.exe
Token: SeRestorePrivilege	2400	TiWorker.exe
Token: SeSecurityPrivilege	2400	TiWorker.exe
Token: SeBackupPrivilege	2400	TiWorker.exe
Token: SeRestorePrivilege	2400	TiWorker.exe
Token: SeSecurityPrivilege	2400	TiWorker.exe
Token: SeBackupPrivilege	2400	TiWorker.exe
Token: SeRestorePrivilege	2400	TiWorker.exe
Token: SeSecurityPrivilege	2400	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0b3e3dbbcacdbf35ac5c18e8916c80de62c6fd932865cceb24a2575c7b522e8c.execmd.exe

description	pid	process	target process
PID 2484 wrote to memory of 1500	2484	0b3e3dbbcacdbf35ac5c18e8916c80de62c6fd932865cceb24a2575c7b522e8c.exe	MediaCenter.exe
PID 2484 wrote to memory of 1500	2484	0b3e3dbbcacdbf35ac5c18e8916c80de62c6fd932865cceb24a2575c7b522e8c.exe	MediaCenter.exe
PID 2484 wrote to memory of 1500	2484	0b3e3dbbcacdbf35ac5c18e8916c80de62c6fd932865cceb24a2575c7b522e8c.exe	MediaCenter.exe
PID 2484 wrote to memory of 2716	2484	0b3e3dbbcacdbf35ac5c18e8916c80de62c6fd932865cceb24a2575c7b522e8c.exe	cmd.exe
PID 2484 wrote to memory of 2716	2484	0b3e3dbbcacdbf35ac5c18e8916c80de62c6fd932865cceb24a2575c7b522e8c.exe	cmd.exe
PID 2484 wrote to memory of 2716	2484	0b3e3dbbcacdbf35ac5c18e8916c80de62c6fd932865cceb24a2575c7b522e8c.exe	cmd.exe
PID 2716 wrote to memory of 3228	2716	cmd.exe	PING.EXE
PID 2716 wrote to memory of 3228	2716	cmd.exe	PING.EXE
PID 2716 wrote to memory of 3228	2716	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0b3e3dbbcacdbf35ac5c18e8916c80de62c6fd932865cceb24a2575c7b522e8c.exe
"C:\Users\Admin\AppData\Local\Temp\0b3e3dbbcacdbf35ac5c18e8916c80de62c6fd932865cceb24a2575c7b522e8c.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2484

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1500

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0b3e3dbbcacdbf35ac5c18e8916c80de62c6fd932865cceb24a2575c7b522e8c.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2716

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3228

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2852

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:3848

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:2400

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
b964e48771fda6d149cbfee43c3d450c

SHA1
37e9efb622c2af89893e55802dea4377f9bd0b51

SHA256
c6c7072841827cec8fb7fcf0d5d0306ad71de23926f6e13afae7da2c66f6bf71

SHA512
37691aefa32241a81f237461294c96cb0e9fb65b7944685578fce73cadd9286e30bb3148213a8ecae52640973136b96fb46a5aa164abb8f9ff4c42ae91583db6

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
b964e48771fda6d149cbfee43c3d450c

SHA1
37e9efb622c2af89893e55802dea4377f9bd0b51

SHA256
c6c7072841827cec8fb7fcf0d5d0306ad71de23926f6e13afae7da2c66f6bf71

SHA512
37691aefa32241a81f237461294c96cb0e9fb65b7944685578fce73cadd9286e30bb3148213a8ecae52640973136b96fb46a5aa164abb8f9ff4c42ae91583db6

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads