sakula | 067a620d8e5ffe31d580f765148bc4effb9a8bd0c9944a32503204682ce9d545

General

Target

067a620d8e5ffe31d580f765148bc4effb9a8bd0c9944a32503204682ce9d545.exe
Size

35KB
MD5

e4e8b921575a3b4285fa14572a393797
SHA1

1ff08918703312327a9e71007b0f51c34e22f116
SHA256

067a620d8e5ffe31d580f765148bc4effb9a8bd0c9944a32503204682ce9d545
SHA512

860a5689b61ec3c5c79526294ef2979a334bff1fcf2176ec2d0a459fa1bda07d537e3700949f7bf43bcab1e7a523e5a696c095f6402c0a2e422ca707bf824ef6

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

1296 MediaCenter.exe

pid	process
1296	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:

067a620d8e5ffe31d580f765148bc4effb9a8bd0c9944a32503204682ce9d545.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	067a620d8e5ffe31d580f765148bc4effb9a8bd0c9944a32503204682ce9d545.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

067a620d8e5ffe31d580f765148bc4effb9a8bd0c9944a32503204682ce9d545.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"	067a620d8e5ffe31d580f765148bc4effb9a8bd0c9944a32503204682ce9d545.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 52 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893136112931358"	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\LANConnectionCount = "0"	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\MemoryUsageKB = "4312"	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\DownloadMonthlyInternetBytes = "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\CacheSizeBytes = "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\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\MemoryUsageKB = "4132"	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\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "16.656575"	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\MonthID = "2"	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\PeerInfoCount = "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\GroupConnectionCount = "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\DownloadMonthlyLanBytes = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4336"	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\FrDownloadRatePct = "90"	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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.091386"	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\MemoryUsageKB = "4056"	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\CDNConnectionCount = "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\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\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\InternetConnectionCount = "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\UplinkBps = "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
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\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.143856"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2168 PING.EXE

pid	process
2168	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

067a620d8e5ffe31d580f765148bc4effb9a8bd0c9944a32503204682ce9d545.execmd.exe

description	pid	process	target process
PID 3144 wrote to memory of 1296	3144	067a620d8e5ffe31d580f765148bc4effb9a8bd0c9944a32503204682ce9d545.exe	MediaCenter.exe
PID 3144 wrote to memory of 1296	3144	067a620d8e5ffe31d580f765148bc4effb9a8bd0c9944a32503204682ce9d545.exe	MediaCenter.exe
PID 3144 wrote to memory of 1296	3144	067a620d8e5ffe31d580f765148bc4effb9a8bd0c9944a32503204682ce9d545.exe	MediaCenter.exe
PID 3144 wrote to memory of 740	3144	067a620d8e5ffe31d580f765148bc4effb9a8bd0c9944a32503204682ce9d545.exe	cmd.exe
PID 3144 wrote to memory of 740	3144	067a620d8e5ffe31d580f765148bc4effb9a8bd0c9944a32503204682ce9d545.exe	cmd.exe
PID 3144 wrote to memory of 740	3144	067a620d8e5ffe31d580f765148bc4effb9a8bd0c9944a32503204682ce9d545.exe	cmd.exe
PID 740 wrote to memory of 2168	740	cmd.exe	PING.EXE
PID 740 wrote to memory of 2168	740	cmd.exe	PING.EXE
PID 740 wrote to memory of 2168	740	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\067a620d8e5ffe31d580f765148bc4effb9a8bd0c9944a32503204682ce9d545.exe
"C:\Users\Admin\AppData\Local\Temp\067a620d8e5ffe31d580f765148bc4effb9a8bd0c9944a32503204682ce9d545.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3144

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1296

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\067a620d8e5ffe31d580f765148bc4effb9a8bd0c9944a32503204682ce9d545.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:740

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2168

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 0
1⤵
- Checks processor information in registry
PID:3968

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:428

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:3488

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
a99d28cfd5142dd676a9027c758adaa4

SHA1
b51edb63488a115a1e3cc401f0acd4dfaf84903f

SHA256
1409350ab04a61f3257188cea46dbec2a4a003c2b6b25cb0f8d496ac87ae8144

SHA512
026e99712e870322ea44a1920a3c0ab5200db25a0013d6df73bcd1e3e380809bc496d68690d84b90449a6e77e9f6923364ce99c3d140ffe3a5e99fb49a5a878a

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
a99d28cfd5142dd676a9027c758adaa4

SHA1
b51edb63488a115a1e3cc401f0acd4dfaf84903f

SHA256
1409350ab04a61f3257188cea46dbec2a4a003c2b6b25cb0f8d496ac87ae8144

SHA512
026e99712e870322ea44a1920a3c0ab5200db25a0013d6df73bcd1e3e380809bc496d68690d84b90449a6e77e9f6923364ce99c3d140ffe3a5e99fb49a5a878a

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads