sakula | 156917f47db25146c3f4abd774ad52c182599263c805eb05ba10acb8da699e8b

General

Target

156917f47db25146c3f4abd774ad52c182599263c805eb05ba10acb8da699e8b.exe
Size

99KB
MD5

a139c7005666da2cdb04067ed9f96d04
SHA1

4ee7adaeee9bef1caa579ff58ecac6a0cd1226ff
SHA256

156917f47db25146c3f4abd774ad52c182599263c805eb05ba10acb8da699e8b
SHA512

43456b52e53343764598def5daa1cdc11a1d697cf7e9c809edb82e258f1f3df289097646793b98e6f1bc7a9065c8d063f2a63ec43ac033615cc7693cd9400a07

Score

10^/10

sakula persistence rat 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

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

2712 MediaCenter.exe

pid	process
2712	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:

156917f47db25146c3f4abd774ad52c182599263c805eb05ba10acb8da699e8b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	156917f47db25146c3f4abd774ad52c182599263c805eb05ba10acb8da699e8b.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

156917f47db25146c3f4abd774ad52c182599263c805eb05ba10acb8da699e8b.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"	156917f47db25146c3f4abd774ad52c182599263c805eb05ba10acb8da699e8b.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
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

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 47 IoCs

Processes:

svchost.exe

description	ioc	process
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\Config	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\UploadRatePct = "100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.171725"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4220"	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\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\DownloadMonthlyRateFrBps = "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\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\InternetConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.547436"	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\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\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\Config\KVFileExpirationTime = "132892899676524244"	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\LANConnectionCount = "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\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4100"	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\DownloadMonthlyRateFrCnt = "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\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "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 (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\SwarmCount = "1"	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\Config\DODownloadMode = "1"	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\DownloadMonthlyLanBytes = "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\MonthlyUploadRestriction = "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
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\DownloadMonthlyInternetBytes = "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\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1996 PING.EXE

pid	process
1996	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

156917f47db25146c3f4abd774ad52c182599263c805eb05ba10acb8da699e8b.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3304	156917f47db25146c3f4abd774ad52c182599263c805eb05ba10acb8da699e8b.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe
Token: SeBackupPrivilege	2764	TiWorker.exe
Token: SeRestorePrivilege	2764	TiWorker.exe
Token: SeSecurityPrivilege	2764	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

156917f47db25146c3f4abd774ad52c182599263c805eb05ba10acb8da699e8b.execmd.exe

description	pid	process	target process
PID 3304 wrote to memory of 2712	3304	156917f47db25146c3f4abd774ad52c182599263c805eb05ba10acb8da699e8b.exe	MediaCenter.exe
PID 3304 wrote to memory of 2712	3304	156917f47db25146c3f4abd774ad52c182599263c805eb05ba10acb8da699e8b.exe	MediaCenter.exe
PID 3304 wrote to memory of 2712	3304	156917f47db25146c3f4abd774ad52c182599263c805eb05ba10acb8da699e8b.exe	MediaCenter.exe
PID 3304 wrote to memory of 3348	3304	156917f47db25146c3f4abd774ad52c182599263c805eb05ba10acb8da699e8b.exe	cmd.exe
PID 3304 wrote to memory of 3348	3304	156917f47db25146c3f4abd774ad52c182599263c805eb05ba10acb8da699e8b.exe	cmd.exe
PID 3304 wrote to memory of 3348	3304	156917f47db25146c3f4abd774ad52c182599263c805eb05ba10acb8da699e8b.exe	cmd.exe
PID 3348 wrote to memory of 1996	3348	cmd.exe	PING.EXE
PID 3348 wrote to memory of 1996	3348	cmd.exe	PING.EXE
PID 3348 wrote to memory of 1996	3348	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\156917f47db25146c3f4abd774ad52c182599263c805eb05ba10acb8da699e8b.exe
"C:\Users\Admin\AppData\Local\Temp\156917f47db25146c3f4abd774ad52c182599263c805eb05ba10acb8da699e8b.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3304

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2712

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\156917f47db25146c3f4abd774ad52c182599263c805eb05ba10acb8da699e8b.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3348

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1996

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2168

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:1560

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:2764

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
20de59b0269b55f4f49e99de6a8dc29c

SHA1
5ccf65630a407e9215d3dee3c1e7bc6e89f43e6d

SHA256
2a395a45d1a7150c67478eff5700bf1ce6616a5aee14f975c0ba92e81e53528d

SHA512
9fb8794937b8736077197ff26d1ed3657edddd6848d828caed1a37e52e0c4159462a92195e01c23ceeb57e681eadae015a58360fd01a7fc047ac32306e4a56a1

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

MD5
20de59b0269b55f4f49e99de6a8dc29c

SHA1
5ccf65630a407e9215d3dee3c1e7bc6e89f43e6d

SHA256
2a395a45d1a7150c67478eff5700bf1ce6616a5aee14f975c0ba92e81e53528d

SHA512
9fb8794937b8736077197ff26d1ed3657edddd6848d828caed1a37e52e0c4159462a92195e01c23ceeb57e681eadae015a58360fd01a7fc047ac32306e4a56a1

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads