sakula | 16dd2bfa00dd92f503651a038ba36878b2d63b9343497c5c01015590ffa084fb

General

Target

16dd2bfa00dd92f503651a038ba36878b2d63b9343497c5c01015590ffa084fb.exe
Size

89KB
MD5

ccc32939a4e6e90a1c46d5b72f03623b
SHA1

3648c8fedece9cf7ed13327581901359984b5b01
SHA256

16dd2bfa00dd92f503651a038ba36878b2d63b9343497c5c01015590ffa084fb
SHA512

1bfbaf651520055e66570f72375fb7110824ab2637378de1a2ae9030f0eb49fdb730f474eef863e1bd76d3e645e1292e2d8cb0d32774e39da167290d616c3837

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

2844 MediaCenter.exe

pid	process
2844	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:

16dd2bfa00dd92f503651a038ba36878b2d63b9343497c5c01015590ffa084fb.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	16dd2bfa00dd92f503651a038ba36878b2d63b9343497c5c01015590ffa084fb.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

16dd2bfa00dd92f503651a038ba36878b2d63b9343497c5c01015590ffa084fb.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"	16dd2bfa00dd92f503651a038ba36878b2d63b9343497c5c01015590ffa084fb.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\PeerInfoCount = "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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.806450"	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\CDNConnectionCount = "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\Config\DODownloadMode = "1"	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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyRateBkBps = "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\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\BkDownloadRatePct = "45"	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\NormalDownloadPendingCount = "0"	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\UploadMonthlyLanBytes = "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\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.986860"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4312"	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\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892876141874084"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4188"	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\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0"	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\Settings	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\UplinkBps = "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\PriorityDownloadPendingCount = "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\DownloadMonthlyRateFrCnt = "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\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 = "12.496981"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4032 PING.EXE

pid	process
4032	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe16dd2bfa00dd92f503651a038ba36878b2d63b9343497c5c01015590ffa084fb.exe

description	pid	process
Token: SeSecurityPrivilege	1444	TiWorker.exe
Token: SeRestorePrivilege	1444	TiWorker.exe
Token: SeBackupPrivilege	1444	TiWorker.exe
Token: SeBackupPrivilege	1444	TiWorker.exe
Token: SeRestorePrivilege	1444	TiWorker.exe
Token: SeSecurityPrivilege	1444	TiWorker.exe
Token: SeBackupPrivilege	1444	TiWorker.exe
Token: SeRestorePrivilege	1444	TiWorker.exe
Token: SeSecurityPrivilege	1444	TiWorker.exe
Token: SeBackupPrivilege	1444	TiWorker.exe
Token: SeRestorePrivilege	1444	TiWorker.exe
Token: SeSecurityPrivilege	1444	TiWorker.exe
Token: SeBackupPrivilege	1444	TiWorker.exe
Token: SeRestorePrivilege	1444	TiWorker.exe
Token: SeSecurityPrivilege	1444	TiWorker.exe
Token: SeIncBasePriorityPrivilege	2916	16dd2bfa00dd92f503651a038ba36878b2d63b9343497c5c01015590ffa084fb.exe
Token: SeBackupPrivilege	1444	TiWorker.exe
Token: SeRestorePrivilege	1444	TiWorker.exe
Token: SeSecurityPrivilege	1444	TiWorker.exe
Token: SeBackupPrivilege	1444	TiWorker.exe
Token: SeRestorePrivilege	1444	TiWorker.exe
Token: SeSecurityPrivilege	1444	TiWorker.exe
Token: SeBackupPrivilege	1444	TiWorker.exe
Token: SeRestorePrivilege	1444	TiWorker.exe
Token: SeSecurityPrivilege	1444	TiWorker.exe
Token: SeBackupPrivilege	1444	TiWorker.exe
Token: SeRestorePrivilege	1444	TiWorker.exe
Token: SeSecurityPrivilege	1444	TiWorker.exe
Token: SeBackupPrivilege	1444	TiWorker.exe
Token: SeRestorePrivilege	1444	TiWorker.exe
Token: SeSecurityPrivilege	1444	TiWorker.exe
Token: SeBackupPrivilege	1444	TiWorker.exe
Token: SeRestorePrivilege	1444	TiWorker.exe
Token: SeSecurityPrivilege	1444	TiWorker.exe
Token: SeBackupPrivilege	1444	TiWorker.exe
Token: SeRestorePrivilege	1444	TiWorker.exe
Token: SeSecurityPrivilege	1444	TiWorker.exe
Token: SeBackupPrivilege	1444	TiWorker.exe
Token: SeRestorePrivilege	1444	TiWorker.exe
Token: SeSecurityPrivilege	1444	TiWorker.exe
Token: SeBackupPrivilege	1444	TiWorker.exe
Token: SeRestorePrivilege	1444	TiWorker.exe
Token: SeSecurityPrivilege	1444	TiWorker.exe
Token: SeBackupPrivilege	1444	TiWorker.exe
Token: SeRestorePrivilege	1444	TiWorker.exe
Token: SeSecurityPrivilege	1444	TiWorker.exe
Token: SeBackupPrivilege	1444	TiWorker.exe
Token: SeRestorePrivilege	1444	TiWorker.exe
Token: SeSecurityPrivilege	1444	TiWorker.exe
Token: SeBackupPrivilege	1444	TiWorker.exe
Token: SeRestorePrivilege	1444	TiWorker.exe
Token: SeSecurityPrivilege	1444	TiWorker.exe
Token: SeBackupPrivilege	1444	TiWorker.exe
Token: SeRestorePrivilege	1444	TiWorker.exe
Token: SeSecurityPrivilege	1444	TiWorker.exe
Token: SeBackupPrivilege	1444	TiWorker.exe
Token: SeRestorePrivilege	1444	TiWorker.exe
Token: SeSecurityPrivilege	1444	TiWorker.exe
Token: SeBackupPrivilege	1444	TiWorker.exe
Token: SeRestorePrivilege	1444	TiWorker.exe
Token: SeSecurityPrivilege	1444	TiWorker.exe
Token: SeBackupPrivilege	1444	TiWorker.exe
Token: SeRestorePrivilege	1444	TiWorker.exe
Token: SeSecurityPrivilege	1444	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

16dd2bfa00dd92f503651a038ba36878b2d63b9343497c5c01015590ffa084fb.execmd.exe

description	pid	process	target process
PID 2916 wrote to memory of 2844	2916	16dd2bfa00dd92f503651a038ba36878b2d63b9343497c5c01015590ffa084fb.exe	MediaCenter.exe
PID 2916 wrote to memory of 2844	2916	16dd2bfa00dd92f503651a038ba36878b2d63b9343497c5c01015590ffa084fb.exe	MediaCenter.exe
PID 2916 wrote to memory of 2844	2916	16dd2bfa00dd92f503651a038ba36878b2d63b9343497c5c01015590ffa084fb.exe	MediaCenter.exe
PID 2916 wrote to memory of 3096	2916	16dd2bfa00dd92f503651a038ba36878b2d63b9343497c5c01015590ffa084fb.exe	cmd.exe
PID 2916 wrote to memory of 3096	2916	16dd2bfa00dd92f503651a038ba36878b2d63b9343497c5c01015590ffa084fb.exe	cmd.exe
PID 2916 wrote to memory of 3096	2916	16dd2bfa00dd92f503651a038ba36878b2d63b9343497c5c01015590ffa084fb.exe	cmd.exe
PID 3096 wrote to memory of 4032	3096	cmd.exe	PING.EXE
PID 3096 wrote to memory of 4032	3096	cmd.exe	PING.EXE
PID 3096 wrote to memory of 4032	3096	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\16dd2bfa00dd92f503651a038ba36878b2d63b9343497c5c01015590ffa084fb.exe
"C:\Users\Admin\AppData\Local\Temp\16dd2bfa00dd92f503651a038ba36878b2d63b9343497c5c01015590ffa084fb.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2916

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2844

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\16dd2bfa00dd92f503651a038ba36878b2d63b9343497c5c01015590ffa084fb.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3096

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:4032

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1936

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:3980

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:1444

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
51094494c9f5328776cf57b3deac2aae

SHA1
f6da05498e0c60ddcd2908b1a4833ac469700747

SHA256
30621f6d4263413d8012cb7042b03412d86211bb1b28b0110dcdd4bbd14d3c52

SHA512
09b34c35494a07d10885e1bbe46f5b0c48d8da398a08ebf084b81735f7b7a8fd58e752820587e257cbd2d6714802066882a9858875d3d684862f18f5adce39b1

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

MD5
51094494c9f5328776cf57b3deac2aae

SHA1
f6da05498e0c60ddcd2908b1a4833ac469700747

SHA256
30621f6d4263413d8012cb7042b03412d86211bb1b28b0110dcdd4bbd14d3c52

SHA512
09b34c35494a07d10885e1bbe46f5b0c48d8da398a08ebf084b81735f7b7a8fd58e752820587e257cbd2d6714802066882a9858875d3d684862f18f5adce39b1

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads