sakula | 17754fcac7bab9bfa8e13279589d6d15d7841c6d13811e95ddde49f9d010c86f

General

Target

17754fcac7bab9bfa8e13279589d6d15d7841c6d13811e95ddde49f9d010c86f.exe
Size

150KB
MD5

8886f77ccf37f0a48b5fbe3070a54ad8
SHA1

b2c45f072422765370d261b98fffd12aa986bf16
SHA256

17754fcac7bab9bfa8e13279589d6d15d7841c6d13811e95ddde49f9d010c86f
SHA512

461b0469e8f9ac3c1bb854ed850f34829543a3a31d1cb51eee877bb405728c5554a2c7df4d4bcb703897bd31048f49e1f86738b665a3967ff20955502f1e8c48

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

2524 MediaCenter.exe

pid	process
2524	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:

17754fcac7bab9bfa8e13279589d6d15d7841c6d13811e95ddde49f9d010c86f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	17754fcac7bab9bfa8e13279589d6d15d7841c6d13811e95ddde49f9d010c86f.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

17754fcac7bab9bfa8e13279589d6d15d7841c6d13811e95ddde49f9d010c86f.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"	17754fcac7bab9bfa8e13279589d6d15d7841c6d13811e95ddde49f9d010c86f.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\Config	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\PeerInfoCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.651467"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.598199"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	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\Config\KVFileExpirationTime = "132892867943207804"	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\LANConnectionCount = "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\BkDownloadRatePct = "45"	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\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	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\CacheSizeBytes = "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\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\NormalDownloadCount = "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 = "4124"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "19.988538"	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\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
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\InternetConnectionCount = "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\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\LinkLocalConnectionCount = "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
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\UploadMonthlyInternetBytes = "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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyRateBkBps = "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\UploadCount = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4284"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3260 PING.EXE

pid	process
3260	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

17754fcac7bab9bfa8e13279589d6d15d7841c6d13811e95ddde49f9d010c86f.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1428	17754fcac7bab9bfa8e13279589d6d15d7841c6d13811e95ddde49f9d010c86f.exe
Token: SeSecurityPrivilege	3320	TiWorker.exe
Token: SeRestorePrivilege	3320	TiWorker.exe
Token: SeBackupPrivilege	3320	TiWorker.exe
Token: SeBackupPrivilege	3320	TiWorker.exe
Token: SeRestorePrivilege	3320	TiWorker.exe
Token: SeSecurityPrivilege	3320	TiWorker.exe
Token: SeBackupPrivilege	3320	TiWorker.exe
Token: SeRestorePrivilege	3320	TiWorker.exe
Token: SeSecurityPrivilege	3320	TiWorker.exe
Token: SeBackupPrivilege	3320	TiWorker.exe
Token: SeRestorePrivilege	3320	TiWorker.exe
Token: SeSecurityPrivilege	3320	TiWorker.exe
Token: SeBackupPrivilege	3320	TiWorker.exe
Token: SeRestorePrivilege	3320	TiWorker.exe
Token: SeSecurityPrivilege	3320	TiWorker.exe
Token: SeBackupPrivilege	3320	TiWorker.exe
Token: SeRestorePrivilege	3320	TiWorker.exe
Token: SeSecurityPrivilege	3320	TiWorker.exe
Token: SeBackupPrivilege	3320	TiWorker.exe
Token: SeRestorePrivilege	3320	TiWorker.exe
Token: SeSecurityPrivilege	3320	TiWorker.exe
Token: SeBackupPrivilege	3320	TiWorker.exe
Token: SeRestorePrivilege	3320	TiWorker.exe
Token: SeSecurityPrivilege	3320	TiWorker.exe
Token: SeBackupPrivilege	3320	TiWorker.exe
Token: SeRestorePrivilege	3320	TiWorker.exe
Token: SeSecurityPrivilege	3320	TiWorker.exe
Token: SeBackupPrivilege	3320	TiWorker.exe
Token: SeRestorePrivilege	3320	TiWorker.exe
Token: SeSecurityPrivilege	3320	TiWorker.exe
Token: SeBackupPrivilege	3320	TiWorker.exe
Token: SeRestorePrivilege	3320	TiWorker.exe
Token: SeSecurityPrivilege	3320	TiWorker.exe
Token: SeBackupPrivilege	3320	TiWorker.exe
Token: SeRestorePrivilege	3320	TiWorker.exe
Token: SeSecurityPrivilege	3320	TiWorker.exe
Token: SeBackupPrivilege	3320	TiWorker.exe
Token: SeRestorePrivilege	3320	TiWorker.exe
Token: SeSecurityPrivilege	3320	TiWorker.exe
Token: SeBackupPrivilege	3320	TiWorker.exe
Token: SeRestorePrivilege	3320	TiWorker.exe
Token: SeSecurityPrivilege	3320	TiWorker.exe
Token: SeBackupPrivilege	3320	TiWorker.exe
Token: SeRestorePrivilege	3320	TiWorker.exe
Token: SeSecurityPrivilege	3320	TiWorker.exe
Token: SeBackupPrivilege	3320	TiWorker.exe
Token: SeRestorePrivilege	3320	TiWorker.exe
Token: SeSecurityPrivilege	3320	TiWorker.exe
Token: SeBackupPrivilege	3320	TiWorker.exe
Token: SeRestorePrivilege	3320	TiWorker.exe
Token: SeSecurityPrivilege	3320	TiWorker.exe
Token: SeBackupPrivilege	3320	TiWorker.exe
Token: SeRestorePrivilege	3320	TiWorker.exe
Token: SeSecurityPrivilege	3320	TiWorker.exe
Token: SeBackupPrivilege	3320	TiWorker.exe
Token: SeRestorePrivilege	3320	TiWorker.exe
Token: SeSecurityPrivilege	3320	TiWorker.exe
Token: SeBackupPrivilege	3320	TiWorker.exe
Token: SeRestorePrivilege	3320	TiWorker.exe
Token: SeSecurityPrivilege	3320	TiWorker.exe
Token: SeBackupPrivilege	3320	TiWorker.exe
Token: SeRestorePrivilege	3320	TiWorker.exe
Token: SeSecurityPrivilege	3320	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

17754fcac7bab9bfa8e13279589d6d15d7841c6d13811e95ddde49f9d010c86f.execmd.exe

description	pid	process	target process
PID 1428 wrote to memory of 2524	1428	17754fcac7bab9bfa8e13279589d6d15d7841c6d13811e95ddde49f9d010c86f.exe	MediaCenter.exe
PID 1428 wrote to memory of 2524	1428	17754fcac7bab9bfa8e13279589d6d15d7841c6d13811e95ddde49f9d010c86f.exe	MediaCenter.exe
PID 1428 wrote to memory of 2524	1428	17754fcac7bab9bfa8e13279589d6d15d7841c6d13811e95ddde49f9d010c86f.exe	MediaCenter.exe
PID 1428 wrote to memory of 3668	1428	17754fcac7bab9bfa8e13279589d6d15d7841c6d13811e95ddde49f9d010c86f.exe	cmd.exe
PID 1428 wrote to memory of 3668	1428	17754fcac7bab9bfa8e13279589d6d15d7841c6d13811e95ddde49f9d010c86f.exe	cmd.exe
PID 1428 wrote to memory of 3668	1428	17754fcac7bab9bfa8e13279589d6d15d7841c6d13811e95ddde49f9d010c86f.exe	cmd.exe
PID 3668 wrote to memory of 3260	3668	cmd.exe	PING.EXE
PID 3668 wrote to memory of 3260	3668	cmd.exe	PING.EXE
PID 3668 wrote to memory of 3260	3668	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\17754fcac7bab9bfa8e13279589d6d15d7841c6d13811e95ddde49f9d010c86f.exe
"C:\Users\Admin\AppData\Local\Temp\17754fcac7bab9bfa8e13279589d6d15d7841c6d13811e95ddde49f9d010c86f.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1428

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2524

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\17754fcac7bab9bfa8e13279589d6d15d7841c6d13811e95ddde49f9d010c86f.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3668

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3260

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3548

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:2304

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:3320

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
904a452374f793f88ba9788bce27cf89

SHA1
4bd9cefd046eaea6e7f7b8a1062e6285f19d5d34

SHA256
8fdd40caac7c004b21d4c87da6c23b29c0715f20dfafe34ce31d99c810ba5ffd

SHA512
89dbf0a094227431a5efe2e42edc8c01beac325bf80e7e27a09d5b241db6d32b5023679d774ec1287be9aa33d2072400d9fd9dee30f658984389ca19b83fa5a2

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

MD5
904a452374f793f88ba9788bce27cf89

SHA1
4bd9cefd046eaea6e7f7b8a1062e6285f19d5d34

SHA256
8fdd40caac7c004b21d4c87da6c23b29c0715f20dfafe34ce31d99c810ba5ffd

SHA512
89dbf0a094227431a5efe2e42edc8c01beac325bf80e7e27a09d5b241db6d32b5023679d774ec1287be9aa33d2072400d9fd9dee30f658984389ca19b83fa5a2

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads