sakula | 0ef1a20032f8259564ac96842fb95d23caee9d139ea8de4be968cc83da9bcd02

General

Target

0ef1a20032f8259564ac96842fb95d23caee9d139ea8de4be968cc83da9bcd02.exe
Size

89KB
MD5

cb559fb80ccff4a0f0192d88579a0eea
SHA1

da19adbefabcc493e2fcbe60f0366d55942699fb
SHA256

0ef1a20032f8259564ac96842fb95d23caee9d139ea8de4be968cc83da9bcd02
SHA512

76c8cac79ca9ec01031dc091a3ac92843758cf9f7cf5e3bc93359db9667fbc4478aa7dae7ef7f7205f53ab3c0edea9ad67de18fffa00c28e0182f19686a944da

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

1964 MediaCenter.exe

pid	process
1964	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:

0ef1a20032f8259564ac96842fb95d23caee9d139ea8de4be968cc83da9bcd02.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0ef1a20032f8259564ac96842fb95d23caee9d139ea8de4be968cc83da9bcd02.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0ef1a20032f8259564ac96842fb95d23caee9d139ea8de4be968cc83da9bcd02.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"	0ef1a20032f8259564ac96842fb95d23caee9d139ea8de4be968cc83da9bcd02.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
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 = "5.555642"	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\DownloadMonthlyLanBytes = "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\CacheSizeBytes = "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\FrDownloadRatePct = "90"	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	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\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 (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\UplinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.381028"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4144"	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\Config\DownloadMode_BackCompat = "1"	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\DownloadMonthlyRateBkBps = "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\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\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\MonthID = "2"	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\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 (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\Config	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\BkDownloadRatePct = "45"	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
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	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\Config\KVFileExpirationTime = "132892990712279721"	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\SwarmCount = "1"	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
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 = "4276"	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\DownloadMonthlyRateFrCnt = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3204 PING.EXE

pid	process
3204	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe0ef1a20032f8259564ac96842fb95d23caee9d139ea8de4be968cc83da9bcd02.exe

description	pid	process
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeIncBasePriorityPrivilege	3592	0ef1a20032f8259564ac96842fb95d23caee9d139ea8de4be968cc83da9bcd02.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe
Token: SeBackupPrivilege	4000	TiWorker.exe
Token: SeRestorePrivilege	4000	TiWorker.exe
Token: SeSecurityPrivilege	4000	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0ef1a20032f8259564ac96842fb95d23caee9d139ea8de4be968cc83da9bcd02.execmd.exe

description	pid	process	target process
PID 3592 wrote to memory of 1964	3592	0ef1a20032f8259564ac96842fb95d23caee9d139ea8de4be968cc83da9bcd02.exe	MediaCenter.exe
PID 3592 wrote to memory of 1964	3592	0ef1a20032f8259564ac96842fb95d23caee9d139ea8de4be968cc83da9bcd02.exe	MediaCenter.exe
PID 3592 wrote to memory of 1964	3592	0ef1a20032f8259564ac96842fb95d23caee9d139ea8de4be968cc83da9bcd02.exe	MediaCenter.exe
PID 3592 wrote to memory of 3064	3592	0ef1a20032f8259564ac96842fb95d23caee9d139ea8de4be968cc83da9bcd02.exe	cmd.exe
PID 3592 wrote to memory of 3064	3592	0ef1a20032f8259564ac96842fb95d23caee9d139ea8de4be968cc83da9bcd02.exe	cmd.exe
PID 3592 wrote to memory of 3064	3592	0ef1a20032f8259564ac96842fb95d23caee9d139ea8de4be968cc83da9bcd02.exe	cmd.exe
PID 3064 wrote to memory of 3204	3064	cmd.exe	PING.EXE
PID 3064 wrote to memory of 3204	3064	cmd.exe	PING.EXE
PID 3064 wrote to memory of 3204	3064	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0ef1a20032f8259564ac96842fb95d23caee9d139ea8de4be968cc83da9bcd02.exe
"C:\Users\Admin\AppData\Local\Temp\0ef1a20032f8259564ac96842fb95d23caee9d139ea8de4be968cc83da9bcd02.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3592

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1964

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0ef1a20032f8259564ac96842fb95d23caee9d139ea8de4be968cc83da9bcd02.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3064

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3204

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1240

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:368

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:4000

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
cbf557a76c568c17d85005481f2ef775

SHA1
c008e520d844a1cbcdeedf62b74f4e901f16aa17

SHA256
a7b1b7469e1327a0a256ae9aec640900d3f80b30278182b88933597525db1773

SHA512
308f5124e1356b2f68809e99f1f08d11095ddfa72852c41449af1e2baebd9aaa23d264eee89aa1ac824443d3115e9fc511082c2ade55ddf1d8e553b73ddf7bd0

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

MD5
cbf557a76c568c17d85005481f2ef775

SHA1
c008e520d844a1cbcdeedf62b74f4e901f16aa17

SHA256
a7b1b7469e1327a0a256ae9aec640900d3f80b30278182b88933597525db1773

SHA512
308f5124e1356b2f68809e99f1f08d11095ddfa72852c41449af1e2baebd9aaa23d264eee89aa1ac824443d3115e9fc511082c2ade55ddf1d8e553b73ddf7bd0

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads