sakula | 0a6c6d91e03d939ff0cb7d6495e0e92ac7917063057ede1d4a5bb256e61ed29f

General

Target

0a6c6d91e03d939ff0cb7d6495e0e92ac7917063057ede1d4a5bb256e61ed29f.exe
Size

192KB
MD5

c537e938174c475bfb30c10fb2c09d87
SHA1

b7d5063b492f6301203b1a1c67e5d80da83c6af8
SHA256

0a6c6d91e03d939ff0cb7d6495e0e92ac7917063057ede1d4a5bb256e61ed29f
SHA512

a18a8868232e8eeeda1e234c9167534a446ffe80c606c124d349321558236bd9fbcd254726963598a10304b2d0a1cdf66f7afb71d9e2a63b352b6aa51f0d9a7b

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

1004 MediaCenter.exe

pid	process
1004	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:

0a6c6d91e03d939ff0cb7d6495e0e92ac7917063057ede1d4a5bb256e61ed29f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0a6c6d91e03d939ff0cb7d6495e0e92ac7917063057ede1d4a5bb256e61ed29f.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0a6c6d91e03d939ff0cb7d6495e0e92ac7917063057ede1d4a5bb256e61ed29f.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"	0a6c6d91e03d939ff0cb7d6495e0e92ac7917063057ede1d4a5bb256e61ed29f.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\DownloadMonthlyRateFrCnt = "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\UploadRatePct = "100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.246552"	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\DownloadMonthlyInternetBytes = "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 = "0.000000"	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\DownloadMonthlyCdnBytes = "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\Config\KVFileExpirationTime = "132893076222844751"	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\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\DownloadMonthlyLanBytes = "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\PriorityDownloadCount = "0"	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 = "2.083207"	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\DownloadMonthlyGroupBytes = "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\UplinkUsageBps = "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\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "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\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\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\SwarmCount = "1"	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	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\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\MemoryUsageKB = "4324"	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\UploadMonthlyInternetBytes = "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\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\CacheSizeBytes = "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\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4124"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1256 PING.EXE

pid	process
1256	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0a6c6d91e03d939ff0cb7d6495e0e92ac7917063057ede1d4a5bb256e61ed29f.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1508	0a6c6d91e03d939ff0cb7d6495e0e92ac7917063057ede1d4a5bb256e61ed29f.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe
Token: SeBackupPrivilege	2992	TiWorker.exe
Token: SeRestorePrivilege	2992	TiWorker.exe
Token: SeSecurityPrivilege	2992	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0a6c6d91e03d939ff0cb7d6495e0e92ac7917063057ede1d4a5bb256e61ed29f.execmd.exe

description	pid	process	target process
PID 1508 wrote to memory of 1004	1508	0a6c6d91e03d939ff0cb7d6495e0e92ac7917063057ede1d4a5bb256e61ed29f.exe	MediaCenter.exe
PID 1508 wrote to memory of 1004	1508	0a6c6d91e03d939ff0cb7d6495e0e92ac7917063057ede1d4a5bb256e61ed29f.exe	MediaCenter.exe
PID 1508 wrote to memory of 1004	1508	0a6c6d91e03d939ff0cb7d6495e0e92ac7917063057ede1d4a5bb256e61ed29f.exe	MediaCenter.exe
PID 1508 wrote to memory of 360	1508	0a6c6d91e03d939ff0cb7d6495e0e92ac7917063057ede1d4a5bb256e61ed29f.exe	cmd.exe
PID 1508 wrote to memory of 360	1508	0a6c6d91e03d939ff0cb7d6495e0e92ac7917063057ede1d4a5bb256e61ed29f.exe	cmd.exe
PID 1508 wrote to memory of 360	1508	0a6c6d91e03d939ff0cb7d6495e0e92ac7917063057ede1d4a5bb256e61ed29f.exe	cmd.exe
PID 360 wrote to memory of 1256	360	cmd.exe	PING.EXE
PID 360 wrote to memory of 1256	360	cmd.exe	PING.EXE
PID 360 wrote to memory of 1256	360	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0a6c6d91e03d939ff0cb7d6495e0e92ac7917063057ede1d4a5bb256e61ed29f.exe
"C:\Users\Admin\AppData\Local\Temp\0a6c6d91e03d939ff0cb7d6495e0e92ac7917063057ede1d4a5bb256e61ed29f.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1508

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1004

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0a6c6d91e03d939ff0cb7d6495e0e92ac7917063057ede1d4a5bb256e61ed29f.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:360

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1256

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2536

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:1280

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:2992

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
1855720dbc0a5cc0499d01b511065cd9

SHA1
cb1811f50b6b96838a7dad177ea49776e20a65c6

SHA256
19b3a958c6a2a354b7e78bbde7b56d6cccd072cc8bf866157551d1df2a5e8504

SHA512
9e4118f0344261884165ecb7a1224245d4e7d0a6958154c690739e6391ac04302ce290639d96949aa6e117126bd362075d3fcda8a6d839d189da440b3db66ae1

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
1855720dbc0a5cc0499d01b511065cd9

SHA1
cb1811f50b6b96838a7dad177ea49776e20a65c6

SHA256
19b3a958c6a2a354b7e78bbde7b56d6cccd072cc8bf866157551d1df2a5e8504

SHA512
9e4118f0344261884165ecb7a1224245d4e7d0a6958154c690739e6391ac04302ce290639d96949aa6e117126bd362075d3fcda8a6d839d189da440b3db66ae1

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads