sakula | 142bc78c42004053626a384172f94e0fb6b7ba4319593086543481303759f885

General

Target

142bc78c42004053626a384172f94e0fb6b7ba4319593086543481303759f885.exe
Size

150KB
MD5

d0a54814971d74555a6331862a77a72d
SHA1

00205aa4c3babf115a008033287eeb30e30ee19e
SHA256

142bc78c42004053626a384172f94e0fb6b7ba4319593086543481303759f885
SHA512

723009c4769676563fe2cedc962e3b91ad46c75f4ccb34ec396a241ca859d064c2ff4b6cf38827ecdf530d2306ee331accb8d7d7d7a7ecb1698c9016ad751fd1

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

2124 MediaCenter.exe

pid	process
2124	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:

142bc78c42004053626a384172f94e0fb6b7ba4319593086543481303759f885.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	142bc78c42004053626a384172f94e0fb6b7ba4319593086543481303759f885.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

142bc78c42004053626a384172f94e0fb6b7ba4319593086543481303759f885.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"	142bc78c42004053626a384172f94e0fb6b7ba4319593086543481303759f885.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\SwarmCount = "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\CacheSizeBytes = "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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892917007507300"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	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\UploadMonthlyInternetBytes = "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\DownlinkUsageBps = "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\UploadRatePct = "100"	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\GroupConnectionCount = "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\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4140"	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\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "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\MonthlyUploadRestriction = "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\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.613003"	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\DownloadMonthlyGroupBytes = "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\MemoryUsageKB = "4348"	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\DownlinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.079975"	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\PriorityDownloadPendingCount = "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\Usage\DownloadMonthlyRateFrCnt = "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\NormalDownloadPendingCount = "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
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2756 PING.EXE

pid	process
2756	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

142bc78c42004053626a384172f94e0fb6b7ba4319593086543481303759f885.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	804	142bc78c42004053626a384172f94e0fb6b7ba4319593086543481303759f885.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe
Token: SeBackupPrivilege	3988	TiWorker.exe
Token: SeRestorePrivilege	3988	TiWorker.exe
Token: SeSecurityPrivilege	3988	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

142bc78c42004053626a384172f94e0fb6b7ba4319593086543481303759f885.execmd.exe

description	pid	process	target process
PID 804 wrote to memory of 2124	804	142bc78c42004053626a384172f94e0fb6b7ba4319593086543481303759f885.exe	MediaCenter.exe
PID 804 wrote to memory of 2124	804	142bc78c42004053626a384172f94e0fb6b7ba4319593086543481303759f885.exe	MediaCenter.exe
PID 804 wrote to memory of 2124	804	142bc78c42004053626a384172f94e0fb6b7ba4319593086543481303759f885.exe	MediaCenter.exe
PID 804 wrote to memory of 1232	804	142bc78c42004053626a384172f94e0fb6b7ba4319593086543481303759f885.exe	cmd.exe
PID 804 wrote to memory of 1232	804	142bc78c42004053626a384172f94e0fb6b7ba4319593086543481303759f885.exe	cmd.exe
PID 804 wrote to memory of 1232	804	142bc78c42004053626a384172f94e0fb6b7ba4319593086543481303759f885.exe	cmd.exe
PID 1232 wrote to memory of 2756	1232	cmd.exe	PING.EXE
PID 1232 wrote to memory of 2756	1232	cmd.exe	PING.EXE
PID 1232 wrote to memory of 2756	1232	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\142bc78c42004053626a384172f94e0fb6b7ba4319593086543481303759f885.exe
"C:\Users\Admin\AppData\Local\Temp\142bc78c42004053626a384172f94e0fb6b7ba4319593086543481303759f885.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:804

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2124

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\142bc78c42004053626a384172f94e0fb6b7ba4319593086543481303759f885.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1232

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2756

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2296

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:3692

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:3988

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
f8d0e9265609ad745212c84c4c1a273d

SHA1
44632998176c6664a55a536d5712a54628a3d621

SHA256
f12e3aaa7d5f10e9f5f7544591d717e50e640e289079bfcbad3abfcd19d2c319

SHA512
65c5818ea4d1db3da4dc8b9f9048496ec4b14017d6b75228d6425bb7b1b6b7ef73e304f2a19a16a6a68dd64223bb98c12eb98f4ec344690b863f8a452ff59534

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

MD5
f8d0e9265609ad745212c84c4c1a273d

SHA1
44632998176c6664a55a536d5712a54628a3d621

SHA256
f12e3aaa7d5f10e9f5f7544591d717e50e640e289079bfcbad3abfcd19d2c319

SHA512
65c5818ea4d1db3da4dc8b9f9048496ec4b14017d6b75228d6425bb7b1b6b7ef73e304f2a19a16a6a68dd64223bb98c12eb98f4ec344690b863f8a452ff59534

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads