sakula | 0fbb4a7d11fb3c548cf1e41f615128ba940ab163b4d327589b074be59651cce1

General

Target

0fbb4a7d11fb3c548cf1e41f615128ba940ab163b4d327589b074be59651cce1.exe
Size

35KB
MD5

f327f74788dced39738c2e32323e3eb8
SHA1

4747ba1a38d412625abcf95ad83ba943a708e639
SHA256

0fbb4a7d11fb3c548cf1e41f615128ba940ab163b4d327589b074be59651cce1
SHA512

6be50d1622096c60594b3dafb794ec61fbc8c8740c04c5f23f3887ba4cbfa6a774d35c086bb5a55b5097250bc9692b8e989a2b8f72b26dc7e1bb456fe21873a9

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

1364 MediaCenter.exe

pid	process
1364	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:

0fbb4a7d11fb3c548cf1e41f615128ba940ab163b4d327589b074be59651cce1.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0fbb4a7d11fb3c548cf1e41f615128ba940ab163b4d327589b074be59651cce1.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0fbb4a7d11fb3c548cf1e41f615128ba940ab163b4d327589b074be59651cce1.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"	0fbb4a7d11fb3c548cf1e41f615128ba940ab163b4d327589b074be59651cce1.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 49 IoCs

Processes:

svchost.exe

description	ioc	process
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\NormalDownloadPendingCount = "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\DownloadMonthlyGroupBytes = "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\SwarmCount = "1"	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\FrDownloadRatePct = "90"	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\Settings	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\DownlinkBps = "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\SwarmCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892977439927154"	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\CDNConnectionCount = "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 = "2.173842"	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\DownloadMonthlyRateFrBps = "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\DownloadMonthlyRateFrCnt = "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\MonthlyUploadRestriction = "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\GroupConnectionCount = "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\UploadCount = "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
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\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\DownloadMonthlyCdnBytes = "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\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.712320"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4252"	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\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\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4068"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3668 PING.EXE

pid	process
3668	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0fbb4a7d11fb3c548cf1e41f615128ba940ab163b4d327589b074be59651cce1.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3720	0fbb4a7d11fb3c548cf1e41f615128ba940ab163b4d327589b074be59651cce1.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe
Token: SeBackupPrivilege	2748	TiWorker.exe
Token: SeRestorePrivilege	2748	TiWorker.exe
Token: SeSecurityPrivilege	2748	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0fbb4a7d11fb3c548cf1e41f615128ba940ab163b4d327589b074be59651cce1.execmd.exe

description	pid	process	target process
PID 3720 wrote to memory of 1364	3720	0fbb4a7d11fb3c548cf1e41f615128ba940ab163b4d327589b074be59651cce1.exe	MediaCenter.exe
PID 3720 wrote to memory of 1364	3720	0fbb4a7d11fb3c548cf1e41f615128ba940ab163b4d327589b074be59651cce1.exe	MediaCenter.exe
PID 3720 wrote to memory of 1364	3720	0fbb4a7d11fb3c548cf1e41f615128ba940ab163b4d327589b074be59651cce1.exe	MediaCenter.exe
PID 3720 wrote to memory of 3560	3720	0fbb4a7d11fb3c548cf1e41f615128ba940ab163b4d327589b074be59651cce1.exe	cmd.exe
PID 3720 wrote to memory of 3560	3720	0fbb4a7d11fb3c548cf1e41f615128ba940ab163b4d327589b074be59651cce1.exe	cmd.exe
PID 3720 wrote to memory of 3560	3720	0fbb4a7d11fb3c548cf1e41f615128ba940ab163b4d327589b074be59651cce1.exe	cmd.exe
PID 3560 wrote to memory of 3668	3560	cmd.exe	PING.EXE
PID 3560 wrote to memory of 3668	3560	cmd.exe	PING.EXE
PID 3560 wrote to memory of 3668	3560	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0fbb4a7d11fb3c548cf1e41f615128ba940ab163b4d327589b074be59651cce1.exe
"C:\Users\Admin\AppData\Local\Temp\0fbb4a7d11fb3c548cf1e41f615128ba940ab163b4d327589b074be59651cce1.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3720

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1364

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0fbb4a7d11fb3c548cf1e41f615128ba940ab163b4d327589b074be59651cce1.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3560

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3668

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2952

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:3432

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:2748

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
2d699142b564ccdc29943464cb9800e7

SHA1
651c23e4e04152d543ce457c910116197360eceb

SHA256
0219867e8b1547c30d76d0fb2185a86533fbc6646d38565b3f9e4bbdf1907468

SHA512
2bfa0192abcc7b83ee2f98e795974c88e9e1252bd3c62147772581eb7b480c0ca74133ddb811f225b1ac3e88757eef96f211cbe1247d266e180c4a4357a5703a

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

MD5
2d699142b564ccdc29943464cb9800e7

SHA1
651c23e4e04152d543ce457c910116197360eceb

SHA256
0219867e8b1547c30d76d0fb2185a86533fbc6646d38565b3f9e4bbdf1907468

SHA512
2bfa0192abcc7b83ee2f98e795974c88e9e1252bd3c62147772581eb7b480c0ca74133ddb811f225b1ac3e88757eef96f211cbe1247d266e180c4a4357a5703a

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads