sakula | 0efe9fef366147e62d037b02cbc45677ac877e9b0bdf25814dd3cb24a2be3e0e

General

Target

0efe9fef366147e62d037b02cbc45677ac877e9b0bdf25814dd3cb24a2be3e0e.exe
Size

36KB
MD5

4cbafc9f3391912b9943e4d9fb086054
SHA1

854b62907674c9f7c237ba8cb77fd440e1c3338e
SHA256

0efe9fef366147e62d037b02cbc45677ac877e9b0bdf25814dd3cb24a2be3e0e
SHA512

5f64eb1cc7d0b430b0ed650ff612611df4c1b9fd1cd9c238e238a86ad8db99e6fe87c34bbf46a4cb0d30ddf556863b6111b0e6050cab114310a6bf790ee14ccc

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

2532 MediaCenter.exe

pid	process
2532	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:

0efe9fef366147e62d037b02cbc45677ac877e9b0bdf25814dd3cb24a2be3e0e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0efe9fef366147e62d037b02cbc45677ac877e9b0bdf25814dd3cb24a2be3e0e.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0efe9fef366147e62d037b02cbc45677ac877e9b0bdf25814dd3cb24a2be3e0e.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"	0efe9fef366147e62d037b02cbc45677ac877e9b0bdf25814dd3cb24a2be3e0e.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 51 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\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\PeerInfoCount = "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\UploadCount = "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\MemoryUsageKB = "4028"	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\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\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\FrDownloadRatePct = "90"	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\GroupConnectionCount = "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\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\UploadMonthlyLanBytes = "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\DownloadMonthlyRateBkCnt = "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\BkDownloadRatePct = "45"	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\MemoryUsageKB = "4316"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.612988"	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\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\SwarmCount = "1"	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\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.015591"	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\DownloadMonthlyRateFrCnt = "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 = "132892990342290216"	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\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.241935"	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 = "4120"	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\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\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1924 PING.EXE

pid	process
1924	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe
Token: SeRestorePrivilege	2984	TiWorker.exe
Token: SeSecurityPrivilege	2984	TiWorker.exe
Token: SeBackupPrivilege	2984	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0efe9fef366147e62d037b02cbc45677ac877e9b0bdf25814dd3cb24a2be3e0e.execmd.exe

description	pid	process	target process
PID 2052 wrote to memory of 2532	2052	0efe9fef366147e62d037b02cbc45677ac877e9b0bdf25814dd3cb24a2be3e0e.exe	MediaCenter.exe
PID 2052 wrote to memory of 2532	2052	0efe9fef366147e62d037b02cbc45677ac877e9b0bdf25814dd3cb24a2be3e0e.exe	MediaCenter.exe
PID 2052 wrote to memory of 2532	2052	0efe9fef366147e62d037b02cbc45677ac877e9b0bdf25814dd3cb24a2be3e0e.exe	MediaCenter.exe
PID 2052 wrote to memory of 2492	2052	0efe9fef366147e62d037b02cbc45677ac877e9b0bdf25814dd3cb24a2be3e0e.exe	cmd.exe
PID 2052 wrote to memory of 2492	2052	0efe9fef366147e62d037b02cbc45677ac877e9b0bdf25814dd3cb24a2be3e0e.exe	cmd.exe
PID 2052 wrote to memory of 2492	2052	0efe9fef366147e62d037b02cbc45677ac877e9b0bdf25814dd3cb24a2be3e0e.exe	cmd.exe
PID 2492 wrote to memory of 1924	2492	cmd.exe	PING.EXE
PID 2492 wrote to memory of 1924	2492	cmd.exe	PING.EXE
PID 2492 wrote to memory of 1924	2492	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0efe9fef366147e62d037b02cbc45677ac877e9b0bdf25814dd3cb24a2be3e0e.exe
"C:\Users\Admin\AppData\Local\Temp\0efe9fef366147e62d037b02cbc45677ac877e9b0bdf25814dd3cb24a2be3e0e.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2052

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2532

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0efe9fef366147e62d037b02cbc45677ac877e9b0bdf25814dd3cb24a2be3e0e.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2492

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1924

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3652

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:3372

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:2984

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

MD5
5c2e39ea68ec74f7eeab0611afb432b8

SHA1
d5d0c07d3d7fb69b5fa4eb40589d076975201e4b

SHA256
7feae7040bc6aafcd8c94dfc1998fad924bb1f804978000a5dc3cb7e0907b6d9

SHA512
c307b11fb6c7cb7b572196b40f9a70af156cbf3376d3eb05e4e267661f7e40f8dc8fd21a4a020a3ce2891e3d1bac861bb7892c0ede41aea5eb19e8e22adf02a8

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

MD5
5c2e39ea68ec74f7eeab0611afb432b8

SHA1
d5d0c07d3d7fb69b5fa4eb40589d076975201e4b

SHA256
7feae7040bc6aafcd8c94dfc1998fad924bb1f804978000a5dc3cb7e0907b6d9

SHA512
c307b11fb6c7cb7b572196b40f9a70af156cbf3376d3eb05e4e267661f7e40f8dc8fd21a4a020a3ce2891e3d1bac861bb7892c0ede41aea5eb19e8e22adf02a8

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads