sakula | 15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134

General

Target

15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134.exe
Size

92KB
MD5

2a6beb71ea4a61e32304a6bd8045a3e3
SHA1

b28668396678a79ecb4a5733ef8cf3dcaad6d683
SHA256

15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134
SHA512

afe00ebcb1ee1cbf5f27ae78d936b88c7b1efb6d701bbf9d7adabbde3fe08b1af9faf573d5e8c380367cb65ac375810ccc1a7bd28ebe07e4f9de4ba28768c382

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

3288 MediaCenter.exe

pid	process
3288	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:

15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134.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"	15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134.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\CacheSizeBytes = "0"	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\MemoryUsageKB = "4088"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4308"	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\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\SwarmCount = "1"	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\FrDownloadRatePct = "90"	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 = "5.172173"	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\DownloadMonthlyCacheHostBytes = "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\UploadRatePct = "100"	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\SwarmCount = "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\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\DownloadMonthlyCdnBytes = "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\DownloadMonthlyRateBkBps = "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\DownlinkBps = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.955635"	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\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\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\NormalDownloadPendingCount = "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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892907399846041"	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\PriorityDownloadCount = "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\Config\DODownloadMode = "1"	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 = "0.000000"	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\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\MonthlyUploadRestriction = "0"	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

3276 PING.EXE

pid	process
3276	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3940	15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134.exe
Token: SeSecurityPrivilege	2928	TiWorker.exe
Token: SeRestorePrivilege	2928	TiWorker.exe
Token: SeBackupPrivilege	2928	TiWorker.exe
Token: SeBackupPrivilege	2928	TiWorker.exe
Token: SeRestorePrivilege	2928	TiWorker.exe
Token: SeSecurityPrivilege	2928	TiWorker.exe
Token: SeBackupPrivilege	2928	TiWorker.exe
Token: SeRestorePrivilege	2928	TiWorker.exe
Token: SeSecurityPrivilege	2928	TiWorker.exe
Token: SeBackupPrivilege	2928	TiWorker.exe
Token: SeRestorePrivilege	2928	TiWorker.exe
Token: SeSecurityPrivilege	2928	TiWorker.exe
Token: SeBackupPrivilege	2928	TiWorker.exe
Token: SeRestorePrivilege	2928	TiWorker.exe
Token: SeSecurityPrivilege	2928	TiWorker.exe
Token: SeBackupPrivilege	2928	TiWorker.exe
Token: SeRestorePrivilege	2928	TiWorker.exe
Token: SeSecurityPrivilege	2928	TiWorker.exe
Token: SeBackupPrivilege	2928	TiWorker.exe
Token: SeRestorePrivilege	2928	TiWorker.exe
Token: SeSecurityPrivilege	2928	TiWorker.exe
Token: SeBackupPrivilege	2928	TiWorker.exe
Token: SeRestorePrivilege	2928	TiWorker.exe
Token: SeSecurityPrivilege	2928	TiWorker.exe
Token: SeBackupPrivilege	2928	TiWorker.exe
Token: SeRestorePrivilege	2928	TiWorker.exe
Token: SeSecurityPrivilege	2928	TiWorker.exe
Token: SeBackupPrivilege	2928	TiWorker.exe
Token: SeRestorePrivilege	2928	TiWorker.exe
Token: SeSecurityPrivilege	2928	TiWorker.exe
Token: SeBackupPrivilege	2928	TiWorker.exe
Token: SeRestorePrivilege	2928	TiWorker.exe
Token: SeSecurityPrivilege	2928	TiWorker.exe
Token: SeBackupPrivilege	2928	TiWorker.exe
Token: SeRestorePrivilege	2928	TiWorker.exe
Token: SeSecurityPrivilege	2928	TiWorker.exe
Token: SeBackupPrivilege	2928	TiWorker.exe
Token: SeRestorePrivilege	2928	TiWorker.exe
Token: SeSecurityPrivilege	2928	TiWorker.exe
Token: SeBackupPrivilege	2928	TiWorker.exe
Token: SeRestorePrivilege	2928	TiWorker.exe
Token: SeSecurityPrivilege	2928	TiWorker.exe
Token: SeBackupPrivilege	2928	TiWorker.exe
Token: SeRestorePrivilege	2928	TiWorker.exe
Token: SeSecurityPrivilege	2928	TiWorker.exe
Token: SeBackupPrivilege	2928	TiWorker.exe
Token: SeRestorePrivilege	2928	TiWorker.exe
Token: SeSecurityPrivilege	2928	TiWorker.exe
Token: SeBackupPrivilege	2928	TiWorker.exe
Token: SeRestorePrivilege	2928	TiWorker.exe
Token: SeSecurityPrivilege	2928	TiWorker.exe
Token: SeBackupPrivilege	2928	TiWorker.exe
Token: SeRestorePrivilege	2928	TiWorker.exe
Token: SeSecurityPrivilege	2928	TiWorker.exe
Token: SeBackupPrivilege	2928	TiWorker.exe
Token: SeRestorePrivilege	2928	TiWorker.exe
Token: SeSecurityPrivilege	2928	TiWorker.exe
Token: SeBackupPrivilege	2928	TiWorker.exe
Token: SeRestorePrivilege	2928	TiWorker.exe
Token: SeSecurityPrivilege	2928	TiWorker.exe
Token: SeBackupPrivilege	2928	TiWorker.exe
Token: SeRestorePrivilege	2928	TiWorker.exe
Token: SeSecurityPrivilege	2928	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134.execmd.exe

description	pid	process	target process
PID 3940 wrote to memory of 3288	3940	15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134.exe	MediaCenter.exe
PID 3940 wrote to memory of 3288	3940	15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134.exe	MediaCenter.exe
PID 3940 wrote to memory of 3288	3940	15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134.exe	MediaCenter.exe
PID 3940 wrote to memory of 2132	3940	15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134.exe	cmd.exe
PID 3940 wrote to memory of 2132	3940	15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134.exe	cmd.exe
PID 3940 wrote to memory of 2132	3940	15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134.exe	cmd.exe
PID 2132 wrote to memory of 3276	2132	cmd.exe	PING.EXE
PID 2132 wrote to memory of 3276	2132	cmd.exe	PING.EXE
PID 2132 wrote to memory of 3276	2132	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134.exe
"C:\Users\Admin\AppData\Local\Temp\15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3940

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3288

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\15040d662165e92e0a8b2c2b511f192dd9e3be1e914aeca8850db2b941dd6134.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2132

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3276

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3776

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:1924

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:2928

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
ac8d315fb87f9afba5c14a10964d7d3d

SHA1
425939f42768155d11ae3d7c3ca75e874f460443

SHA256
cb098de4cf8e266506c88da638d3f6a4dc48c27a16df2d847ae577346f060b69

SHA512
641356f85e7d2eb77d5fef66df18eafff0a1330cbff58d9f615053c06a90af32485fb60460da4718a09e333a34290c0ee330c7f0b31f480a2a4d902dd0d9953b

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

MD5
ac8d315fb87f9afba5c14a10964d7d3d

SHA1
425939f42768155d11ae3d7c3ca75e874f460443

SHA256
cb098de4cf8e266506c88da638d3f6a4dc48c27a16df2d847ae577346f060b69

SHA512
641356f85e7d2eb77d5fef66df18eafff0a1330cbff58d9f615053c06a90af32485fb60460da4718a09e333a34290c0ee330c7f0b31f480a2a4d902dd0d9953b

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads