sakula | 075a5c448648f728cb240f337e412ffff4edd369889c37829da08fe42b55d139

General

Target

075a5c448648f728cb240f337e412ffff4edd369889c37829da08fe42b55d139.exe
Size

58KB
MD5

f3c859f944657978b196d73f3bf56483
SHA1

23e4ae27a3f1b81600e226ccad7333c28cedcf92
SHA256

075a5c448648f728cb240f337e412ffff4edd369889c37829da08fe42b55d139
SHA512

87405d4f2ae9693052ff2a914bbc3e79f1ee9c2cf92e92d8677b916b396ea77a89a789f36fa00d54bcbc60fd902347a35b041d67dce09808bfaf580b3387c0b8

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

2808 MediaCenter.exe

pid	process
2808	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:

075a5c448648f728cb240f337e412ffff4edd369889c37829da08fe42b55d139.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	075a5c448648f728cb240f337e412ffff4edd369889c37829da08fe42b55d139.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

075a5c448648f728cb240f337e412ffff4edd369889c37829da08fe42b55d139.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"	075a5c448648f728cb240f337e412ffff4edd369889c37829da08fe42b55d139.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotifyIcon.exe

Modifies data under HKEY_USERS 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\DownlinkBps = "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\MemoryUsageKB = "4220"	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\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\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893126464168300"	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\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\Usage\FrDownloadRatePct = "90"	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\NormalDownloadCount = "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\DownloadMonthlyGroupBytes = "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\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	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\DownloadMonthlyRateBkBps = "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 = "2.631618"	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\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\SwarmCount = "1"	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\SwarmCount = "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\DownloadMonthlyRateFrBps = "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\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.189747"	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\Config\DownloadMode_BackCompat = "1"	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\DownloadMonthlyRateFrCnt = "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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4440"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3912 PING.EXE

pid	process
3912	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe075a5c448648f728cb240f337e412ffff4edd369889c37829da08fe42b55d139.exe

description	pid	process
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeIncBasePriorityPrivilege	3116	075a5c448648f728cb240f337e412ffff4edd369889c37829da08fe42b55d139.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe
Token: SeBackupPrivilege	3480	TiWorker.exe
Token: SeRestorePrivilege	3480	TiWorker.exe
Token: SeSecurityPrivilege	3480	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

075a5c448648f728cb240f337e412ffff4edd369889c37829da08fe42b55d139.execmd.exe

description	pid	process	target process
PID 3116 wrote to memory of 2808	3116	075a5c448648f728cb240f337e412ffff4edd369889c37829da08fe42b55d139.exe	MediaCenter.exe
PID 3116 wrote to memory of 2808	3116	075a5c448648f728cb240f337e412ffff4edd369889c37829da08fe42b55d139.exe	MediaCenter.exe
PID 3116 wrote to memory of 2808	3116	075a5c448648f728cb240f337e412ffff4edd369889c37829da08fe42b55d139.exe	MediaCenter.exe
PID 3116 wrote to memory of 2464	3116	075a5c448648f728cb240f337e412ffff4edd369889c37829da08fe42b55d139.exe	cmd.exe
PID 3116 wrote to memory of 2464	3116	075a5c448648f728cb240f337e412ffff4edd369889c37829da08fe42b55d139.exe	cmd.exe
PID 3116 wrote to memory of 2464	3116	075a5c448648f728cb240f337e412ffff4edd369889c37829da08fe42b55d139.exe	cmd.exe
PID 2464 wrote to memory of 3912	2464	cmd.exe	PING.EXE
PID 2464 wrote to memory of 3912	2464	cmd.exe	PING.EXE
PID 2464 wrote to memory of 3912	2464	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\075a5c448648f728cb240f337e412ffff4edd369889c37829da08fe42b55d139.exe
"C:\Users\Admin\AppData\Local\Temp\075a5c448648f728cb240f337e412ffff4edd369889c37829da08fe42b55d139.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3116

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2808

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\075a5c448648f728cb240f337e412ffff4edd369889c37829da08fe42b55d139.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2464

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3912

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:984

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:2696

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:3480

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
51f3c49999d3314a5a6b36ffa981e2c2

SHA1
6d826ec5173f5ad9989ee8dd114013dc13bac2b8

SHA256
5246e880a7fa995b332d88332dda5118759a4619e514ccfcf4c8da4548a9825a

SHA512
deb5329989384168e5b98b4eaddefa7dfc60cec7b6817f50232947eaee143c896107a9dc2f2c6a5135a24ef06c910f0cb957629cc6a2ee64cca6ab0a06e60d4f

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
51f3c49999d3314a5a6b36ffa981e2c2

SHA1
6d826ec5173f5ad9989ee8dd114013dc13bac2b8

SHA256
5246e880a7fa995b332d88332dda5118759a4619e514ccfcf4c8da4548a9825a

SHA512
deb5329989384168e5b98b4eaddefa7dfc60cec7b6817f50232947eaee143c896107a9dc2f2c6a5135a24ef06c910f0cb957629cc6a2ee64cca6ab0a06e60d4f

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads