sakula | 104a154b5a51b73a7677b578cf572a3bd548dff8bda1f904dcfeb96edfc80576

General

Target

104a154b5a51b73a7677b578cf572a3bd548dff8bda1f904dcfeb96edfc80576.exe
Size

36KB
MD5

330b0b314049b71af71e25078f6c345b
SHA1

56f34dd1fccb161df6a47b4b1baf5f0fe215bce7
SHA256

104a154b5a51b73a7677b578cf572a3bd548dff8bda1f904dcfeb96edfc80576
SHA512

6c3e4578d28eee2feab141351e0c6db1211fc030eb12e3a4275528e226e33573f7d54d7958e69561df248e7d4a49d3a41f7fb37fcaca59118f6b8552db051ab3

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

3872 MediaCenter.exe

pid	process
3872	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:

104a154b5a51b73a7677b578cf572a3bd548dff8bda1f904dcfeb96edfc80576.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	104a154b5a51b73a7677b578cf572a3bd548dff8bda1f904dcfeb96edfc80576.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

104a154b5a51b73a7677b578cf572a3bd548dff8bda1f904dcfeb96edfc80576.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"	104a154b5a51b73a7677b578cf572a3bd548dff8bda1f904dcfeb96edfc80576.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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4084"	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\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\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\LinkLocalConnectionCount = "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\SwarmCount = "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\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\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892969347367398"	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\Usage\CPUpct = "0.000000"	svchost.exe
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\UploadMonthlyInternetBytes = "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\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.060761"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4296"	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\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\PeerInfoCount = "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\Config\DownloadMode_BackCompat = "1"	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\SwarmCount = "1"	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\FrDownloadRatePct = "90"	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 = "4.166704"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	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\CacheSizeBytes = "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\MonthlyUploadRestriction = "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\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\LANConnectionCount = "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\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3520 PING.EXE

pid	process
3520	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

104a154b5a51b73a7677b578cf572a3bd548dff8bda1f904dcfeb96edfc80576.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3000	104a154b5a51b73a7677b578cf572a3bd548dff8bda1f904dcfeb96edfc80576.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe
Token: SeBackupPrivilege	3356	TiWorker.exe
Token: SeRestorePrivilege	3356	TiWorker.exe
Token: SeSecurityPrivilege	3356	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

104a154b5a51b73a7677b578cf572a3bd548dff8bda1f904dcfeb96edfc80576.execmd.exe

description	pid	process	target process
PID 3000 wrote to memory of 3872	3000	104a154b5a51b73a7677b578cf572a3bd548dff8bda1f904dcfeb96edfc80576.exe	MediaCenter.exe
PID 3000 wrote to memory of 3872	3000	104a154b5a51b73a7677b578cf572a3bd548dff8bda1f904dcfeb96edfc80576.exe	MediaCenter.exe
PID 3000 wrote to memory of 3872	3000	104a154b5a51b73a7677b578cf572a3bd548dff8bda1f904dcfeb96edfc80576.exe	MediaCenter.exe
PID 3000 wrote to memory of 1844	3000	104a154b5a51b73a7677b578cf572a3bd548dff8bda1f904dcfeb96edfc80576.exe	cmd.exe
PID 3000 wrote to memory of 1844	3000	104a154b5a51b73a7677b578cf572a3bd548dff8bda1f904dcfeb96edfc80576.exe	cmd.exe
PID 3000 wrote to memory of 1844	3000	104a154b5a51b73a7677b578cf572a3bd548dff8bda1f904dcfeb96edfc80576.exe	cmd.exe
PID 1844 wrote to memory of 3520	1844	cmd.exe	PING.EXE
PID 1844 wrote to memory of 3520	1844	cmd.exe	PING.EXE
PID 1844 wrote to memory of 3520	1844	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\104a154b5a51b73a7677b578cf572a3bd548dff8bda1f904dcfeb96edfc80576.exe
"C:\Users\Admin\AppData\Local\Temp\104a154b5a51b73a7677b578cf572a3bd548dff8bda1f904dcfeb96edfc80576.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3000

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3872

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\104a154b5a51b73a7677b578cf572a3bd548dff8bda1f904dcfeb96edfc80576.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1844

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3520

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1836

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:1816

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:3356

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
35b61e96152f8a4251be00889b31799b

SHA1
520aa676d22b6050f77fd7c782fb3bbf89d86571

SHA256
a1a43593892566e6a1eb5624220b37d280cf6e0c3ad8eb4a567beb9bc8410623

SHA512
3c1c4be210cd4a5500902e93d31a396daa6468cc8f7f07779d8c7fe2356cb00fa748f4719bc2022c8162600f2b54fd99ea8f843889ec1852d4570edba8296baa

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

MD5
35b61e96152f8a4251be00889b31799b

SHA1
520aa676d22b6050f77fd7c782fb3bbf89d86571

SHA256
a1a43593892566e6a1eb5624220b37d280cf6e0c3ad8eb4a567beb9bc8410623

SHA512
3c1c4be210cd4a5500902e93d31a396daa6468cc8f7f07779d8c7fe2356cb00fa748f4719bc2022c8162600f2b54fd99ea8f843889ec1852d4570edba8296baa

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads