sakula | 044d7db96f6aac7bec02e9e70822b4b43fd39c43b145cfb74692f7c5b95c0f7d

General

Target

044d7db96f6aac7bec02e9e70822b4b43fd39c43b145cfb74692f7c5b95c0f7d.exe
Size

92KB
MD5

83685969c7799f39088518ed5827b5a8
SHA1

a57f07816facce0808b1b531efb99f7f96b05df0
SHA256

044d7db96f6aac7bec02e9e70822b4b43fd39c43b145cfb74692f7c5b95c0f7d
SHA512

9b6823d18a94060b24c2f1d4d4d649a34832aa3f2ee784dc66b549aca733a40725baf035a99c42bc59d0460f0f638926d3231ecd1f585ea4891b7bbb247a7dd7

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

3944 MediaCenter.exe

pid	process
3944	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:

044d7db96f6aac7bec02e9e70822b4b43fd39c43b145cfb74692f7c5b95c0f7d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	044d7db96f6aac7bec02e9e70822b4b43fd39c43b145cfb74692f7c5b95c0f7d.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

044d7db96f6aac7bec02e9e70822b4b43fd39c43b145cfb74692f7c5b95c0f7d.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"	044d7db96f6aac7bec02e9e70822b4b43fd39c43b145cfb74692f7c5b95c0f7d.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\BkDownloadRatePct = "45"	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
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.334729"	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\LANConnectionCount = "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\GroupConnectionCount = "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\UploadRatePct = "100"	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\Settings	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\DownloadMonthlyCdnBytes = "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\DownlinkBps = "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\Config\DownloadMode_BackCompat = "1"	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\DownloadMonthlyCacheHostBytes = "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\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "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\MemoryUsageKB = "4212"	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\UploadMonthlyInternetBytes = "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\Usage\CPUpct = "1.666749"	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\InternetConnectionCount = "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\Config	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\MonthID = "2"	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 = "4376"	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\SwarmCount = "1"	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\Config\KVFileExpirationTime = "132893167015651478"	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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2276 PING.EXE

pid	process
2276	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	3440	TiWorker.exe
Token: SeRestorePrivilege	3440	TiWorker.exe
Token: SeBackupPrivilege	3440	TiWorker.exe
Token: SeBackupPrivilege	3440	TiWorker.exe
Token: SeRestorePrivilege	3440	TiWorker.exe
Token: SeSecurityPrivilege	3440	TiWorker.exe
Token: SeBackupPrivilege	3440	TiWorker.exe
Token: SeRestorePrivilege	3440	TiWorker.exe
Token: SeSecurityPrivilege	3440	TiWorker.exe
Token: SeBackupPrivilege	3440	TiWorker.exe
Token: SeRestorePrivilege	3440	TiWorker.exe
Token: SeSecurityPrivilege	3440	TiWorker.exe
Token: SeBackupPrivilege	3440	TiWorker.exe
Token: SeRestorePrivilege	3440	TiWorker.exe
Token: SeSecurityPrivilege	3440	TiWorker.exe
Token: SeBackupPrivilege	3440	TiWorker.exe
Token: SeRestorePrivilege	3440	TiWorker.exe
Token: SeSecurityPrivilege	3440	TiWorker.exe
Token: SeBackupPrivilege	3440	TiWorker.exe
Token: SeRestorePrivilege	3440	TiWorker.exe
Token: SeSecurityPrivilege	3440	TiWorker.exe
Token: SeBackupPrivilege	3440	TiWorker.exe
Token: SeRestorePrivilege	3440	TiWorker.exe
Token: SeSecurityPrivilege	3440	TiWorker.exe
Token: SeBackupPrivilege	3440	TiWorker.exe
Token: SeRestorePrivilege	3440	TiWorker.exe
Token: SeSecurityPrivilege	3440	TiWorker.exe
Token: SeBackupPrivilege	3440	TiWorker.exe
Token: SeRestorePrivilege	3440	TiWorker.exe
Token: SeSecurityPrivilege	3440	TiWorker.exe
Token: SeBackupPrivilege	3440	TiWorker.exe
Token: SeRestorePrivilege	3440	TiWorker.exe
Token: SeSecurityPrivilege	3440	TiWorker.exe
Token: SeBackupPrivilege	3440	TiWorker.exe
Token: SeRestorePrivilege	3440	TiWorker.exe
Token: SeSecurityPrivilege	3440	TiWorker.exe
Token: SeBackupPrivilege	3440	TiWorker.exe
Token: SeRestorePrivilege	3440	TiWorker.exe
Token: SeSecurityPrivilege	3440	TiWorker.exe
Token: SeBackupPrivilege	3440	TiWorker.exe
Token: SeRestorePrivilege	3440	TiWorker.exe
Token: SeSecurityPrivilege	3440	TiWorker.exe
Token: SeBackupPrivilege	3440	TiWorker.exe
Token: SeRestorePrivilege	3440	TiWorker.exe
Token: SeSecurityPrivilege	3440	TiWorker.exe
Token: SeBackupPrivilege	3440	TiWorker.exe
Token: SeRestorePrivilege	3440	TiWorker.exe
Token: SeSecurityPrivilege	3440	TiWorker.exe
Token: SeBackupPrivilege	3440	TiWorker.exe
Token: SeRestorePrivilege	3440	TiWorker.exe
Token: SeSecurityPrivilege	3440	TiWorker.exe
Token: SeBackupPrivilege	3440	TiWorker.exe
Token: SeRestorePrivilege	3440	TiWorker.exe
Token: SeSecurityPrivilege	3440	TiWorker.exe
Token: SeBackupPrivilege	3440	TiWorker.exe
Token: SeRestorePrivilege	3440	TiWorker.exe
Token: SeSecurityPrivilege	3440	TiWorker.exe
Token: SeBackupPrivilege	3440	TiWorker.exe
Token: SeRestorePrivilege	3440	TiWorker.exe
Token: SeSecurityPrivilege	3440	TiWorker.exe
Token: SeBackupPrivilege	3440	TiWorker.exe
Token: SeRestorePrivilege	3440	TiWorker.exe
Token: SeSecurityPrivilege	3440	TiWorker.exe
Token: SeBackupPrivilege	3440	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

044d7db96f6aac7bec02e9e70822b4b43fd39c43b145cfb74692f7c5b95c0f7d.execmd.exe

description	pid	process	target process
PID 2112 wrote to memory of 3944	2112	044d7db96f6aac7bec02e9e70822b4b43fd39c43b145cfb74692f7c5b95c0f7d.exe	MediaCenter.exe
PID 2112 wrote to memory of 3944	2112	044d7db96f6aac7bec02e9e70822b4b43fd39c43b145cfb74692f7c5b95c0f7d.exe	MediaCenter.exe
PID 2112 wrote to memory of 3944	2112	044d7db96f6aac7bec02e9e70822b4b43fd39c43b145cfb74692f7c5b95c0f7d.exe	MediaCenter.exe
PID 2112 wrote to memory of 2664	2112	044d7db96f6aac7bec02e9e70822b4b43fd39c43b145cfb74692f7c5b95c0f7d.exe	cmd.exe
PID 2112 wrote to memory of 2664	2112	044d7db96f6aac7bec02e9e70822b4b43fd39c43b145cfb74692f7c5b95c0f7d.exe	cmd.exe
PID 2112 wrote to memory of 2664	2112	044d7db96f6aac7bec02e9e70822b4b43fd39c43b145cfb74692f7c5b95c0f7d.exe	cmd.exe
PID 2664 wrote to memory of 2276	2664	cmd.exe	PING.EXE
PID 2664 wrote to memory of 2276	2664	cmd.exe	PING.EXE
PID 2664 wrote to memory of 2276	2664	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\044d7db96f6aac7bec02e9e70822b4b43fd39c43b145cfb74692f7c5b95c0f7d.exe
"C:\Users\Admin\AppData\Local\Temp\044d7db96f6aac7bec02e9e70822b4b43fd39c43b145cfb74692f7c5b95c0f7d.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2112

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3944

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\044d7db96f6aac7bec02e9e70822b4b43fd39c43b145cfb74692f7c5b95c0f7d.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2664

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2276

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3464

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:3468

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:3440

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
5552059894bb32e9d8692f381970b825

SHA1
2bb64779ad31518d1ce3a0372f02ed2180fdf5c9

SHA256
00def9354222237385a8f7b1c79ced3cca2450bdb62888a4d4a2c4b31701c2bd

SHA512
fe0f592e07f4a0f51a5abfb0a7e985e5230ec0d615dc1944f17cdb9b405072640322e49d9b46dbe22066888744bf64523df953996a32ae582ce8189085ad1616

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
5552059894bb32e9d8692f381970b825

SHA1
2bb64779ad31518d1ce3a0372f02ed2180fdf5c9

SHA256
00def9354222237385a8f7b1c79ced3cca2450bdb62888a4d4a2c4b31701c2bd

SHA512
fe0f592e07f4a0f51a5abfb0a7e985e5230ec0d615dc1944f17cdb9b405072640322e49d9b46dbe22066888744bf64523df953996a32ae582ce8189085ad1616

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads