sakula | 174f5ffd59d8cbffb38a58cd1fd530a14a19a5deb60987b54cba9a46052c5d36

General

Target

174f5ffd59d8cbffb38a58cd1fd530a14a19a5deb60987b54cba9a46052c5d36.exe
Size

60KB
MD5

12d784fbc37637cf833bd595a2fafd06
SHA1

e79effa851ee41fe6745113de308941894b54c9b
SHA256

174f5ffd59d8cbffb38a58cd1fd530a14a19a5deb60987b54cba9a46052c5d36
SHA512

a1e556a3bf94ce6eaf255c6a828f2c30ab83624fd7914f7fc83d08853e4d0cf48ed87245e368283b27e025709558857a2bdc0cde4b4a756b4e750c3f7832aca8

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

1260 MediaCenter.exe

pid	process
1260	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:

174f5ffd59d8cbffb38a58cd1fd530a14a19a5deb60987b54cba9a46052c5d36.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	174f5ffd59d8cbffb38a58cd1fd530a14a19a5deb60987b54cba9a46052c5d36.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

174f5ffd59d8cbffb38a58cd1fd530a14a19a5deb60987b54cba9a46052c5d36.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"	174f5ffd59d8cbffb38a58cd1fd530a14a19a5deb60987b54cba9a46052c5d36.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe
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

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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.744195"	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\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\DownloadMonthlyRateBkCnt = "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\UplinkUsageBps = "0"	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\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\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\Usage\MemoryUsageKB = "4344"	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\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\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 (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\SwarmCount = "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\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4116"	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\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\DownloadMonthlyRateFrBps = "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\MonthlyUploadRestriction = "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\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\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.641031"	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\SwarmCount = "1"	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\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "16.665991"	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\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892869757080468"	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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3092 PING.EXE

pid	process
3092	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

174f5ffd59d8cbffb38a58cd1fd530a14a19a5deb60987b54cba9a46052c5d36.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3704	174f5ffd59d8cbffb38a58cd1fd530a14a19a5deb60987b54cba9a46052c5d36.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe
Token: SeBackupPrivilege	2648	TiWorker.exe
Token: SeRestorePrivilege	2648	TiWorker.exe
Token: SeSecurityPrivilege	2648	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

174f5ffd59d8cbffb38a58cd1fd530a14a19a5deb60987b54cba9a46052c5d36.execmd.exe

description	pid	process	target process
PID 3704 wrote to memory of 1260	3704	174f5ffd59d8cbffb38a58cd1fd530a14a19a5deb60987b54cba9a46052c5d36.exe	MediaCenter.exe
PID 3704 wrote to memory of 1260	3704	174f5ffd59d8cbffb38a58cd1fd530a14a19a5deb60987b54cba9a46052c5d36.exe	MediaCenter.exe
PID 3704 wrote to memory of 1260	3704	174f5ffd59d8cbffb38a58cd1fd530a14a19a5deb60987b54cba9a46052c5d36.exe	MediaCenter.exe
PID 3704 wrote to memory of 2636	3704	174f5ffd59d8cbffb38a58cd1fd530a14a19a5deb60987b54cba9a46052c5d36.exe	cmd.exe
PID 3704 wrote to memory of 2636	3704	174f5ffd59d8cbffb38a58cd1fd530a14a19a5deb60987b54cba9a46052c5d36.exe	cmd.exe
PID 3704 wrote to memory of 2636	3704	174f5ffd59d8cbffb38a58cd1fd530a14a19a5deb60987b54cba9a46052c5d36.exe	cmd.exe
PID 2636 wrote to memory of 3092	2636	cmd.exe	PING.EXE
PID 2636 wrote to memory of 3092	2636	cmd.exe	PING.EXE
PID 2636 wrote to memory of 3092	2636	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\174f5ffd59d8cbffb38a58cd1fd530a14a19a5deb60987b54cba9a46052c5d36.exe
"C:\Users\Admin\AppData\Local\Temp\174f5ffd59d8cbffb38a58cd1fd530a14a19a5deb60987b54cba9a46052c5d36.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3704

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1260

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\174f5ffd59d8cbffb38a58cd1fd530a14a19a5deb60987b54cba9a46052c5d36.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2636

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3092

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1716

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:1476

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:2648

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
e3707ec0f77267a180840875d0fda459

SHA1
eb0f1799dcdb619a2b584aea356300541e1666eb

SHA256
9766db63b62c213613ccd5dbe3594e341ce7497bf259a002de09f9e52a5dfbd9

SHA512
65608f96167e6c3af41a6ab095c1d05a49b3dc84c83c1f753989e1ff05e24df79db0da6ad012a9cd92ea598a5b51c3cc6bf53b0d461237dbef869adc91fc44cf

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

MD5
e3707ec0f77267a180840875d0fda459

SHA1
eb0f1799dcdb619a2b584aea356300541e1666eb

SHA256
9766db63b62c213613ccd5dbe3594e341ce7497bf259a002de09f9e52a5dfbd9

SHA512
65608f96167e6c3af41a6ab095c1d05a49b3dc84c83c1f753989e1ff05e24df79db0da6ad012a9cd92ea598a5b51c3cc6bf53b0d461237dbef869adc91fc44cf

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads