sakula | 063c108b2701eb8b15cf12d5f8df70dee83662135c19c67b786178a95f6d543c

General

Target

063c108b2701eb8b15cf12d5f8df70dee83662135c19c67b786178a95f6d543c.exe
Size

60KB
MD5

be24439e88c1a8be44c4f8a8d53bfb09
SHA1

6aa2a766d5eecfa412bdaa52ee0adab21a422ed3
SHA256

063c108b2701eb8b15cf12d5f8df70dee83662135c19c67b786178a95f6d543c
SHA512

c396e9cf97730597f7c2572cb3055db3eaf2094b6597d036c2d545c9421988e4599f88383771adb4dc9f8c6dea669468c35b8ef628730162cd9a4d436bc3722b

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

3424 MediaCenter.exe

pid	process
3424	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:

063c108b2701eb8b15cf12d5f8df70dee83662135c19c67b786178a95f6d543c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	063c108b2701eb8b15cf12d5f8df70dee83662135c19c67b786178a95f6d543c.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

063c108b2701eb8b15cf12d5f8df70dee83662135c19c67b786178a95f6d543c.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"	063c108b2701eb8b15cf12d5f8df70dee83662135c19c67b786178a95f6d543c.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 52 IoCs

Processes:

svchost.exe

description	ioc	process
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\PriorityDownloadPendingCount = "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\DownloadMonthlyGroupBytes = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	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\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\BkDownloadRatePct = "45"	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 = "0.026330"	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\MemoryUsageKB = "4416"	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\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.644746"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.008737"	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\Config\KVFileExpirationTime = "132893139876102153"	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\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 (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\DownloadMonthlyRateFrCnt = "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\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\Config\DODownloadMode = "1"	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\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\MonthID = "2"	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\LANConnectionCount = "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\MemoryUsageKB = "4180"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4020"	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\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\PeerInfoCount = "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\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\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4396"	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
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3504 PING.EXE

pid	process
3504	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

063c108b2701eb8b15cf12d5f8df70dee83662135c19c67b786178a95f6d543c.execmd.exe

description	pid	process	target process
PID 2668 wrote to memory of 3424	2668	063c108b2701eb8b15cf12d5f8df70dee83662135c19c67b786178a95f6d543c.exe	MediaCenter.exe
PID 2668 wrote to memory of 3424	2668	063c108b2701eb8b15cf12d5f8df70dee83662135c19c67b786178a95f6d543c.exe	MediaCenter.exe
PID 2668 wrote to memory of 3424	2668	063c108b2701eb8b15cf12d5f8df70dee83662135c19c67b786178a95f6d543c.exe	MediaCenter.exe
PID 2668 wrote to memory of 3468	2668	063c108b2701eb8b15cf12d5f8df70dee83662135c19c67b786178a95f6d543c.exe	cmd.exe
PID 2668 wrote to memory of 3468	2668	063c108b2701eb8b15cf12d5f8df70dee83662135c19c67b786178a95f6d543c.exe	cmd.exe
PID 2668 wrote to memory of 3468	2668	063c108b2701eb8b15cf12d5f8df70dee83662135c19c67b786178a95f6d543c.exe	cmd.exe
PID 3468 wrote to memory of 3504	3468	cmd.exe	PING.EXE
PID 3468 wrote to memory of 3504	3468	cmd.exe	PING.EXE
PID 3468 wrote to memory of 3504	3468	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\063c108b2701eb8b15cf12d5f8df70dee83662135c19c67b786178a95f6d543c.exe
"C:\Users\Admin\AppData\Local\Temp\063c108b2701eb8b15cf12d5f8df70dee83662135c19c67b786178a95f6d543c.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2668

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3424

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\063c108b2701eb8b15cf12d5f8df70dee83662135c19c67b786178a95f6d543c.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3468

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3504

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3804

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:3284

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:4044

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
6bcc1fa684e49dc6e4c9aede5554b932

SHA1
9ff8d9abd9b239ea282e236d3e2df22d8da7602a

SHA256
efa410304086df395c8f4c7dac84ffb7a3ec582fa433cda3ca5834b54c57f92f

SHA512
3c0f40adeb912817545d00f06fd754b78c2a7e345062df8c88b5284b06b8d55d590abbf20246c91d9b18d25c16832229ebded2ff09762c8e7823c6f2d75f7954

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
6bcc1fa684e49dc6e4c9aede5554b932

SHA1
9ff8d9abd9b239ea282e236d3e2df22d8da7602a

SHA256
efa410304086df395c8f4c7dac84ffb7a3ec582fa433cda3ca5834b54c57f92f

SHA512
3c0f40adeb912817545d00f06fd754b78c2a7e345062df8c88b5284b06b8d55d590abbf20246c91d9b18d25c16832229ebded2ff09762c8e7823c6f2d75f7954

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads