sakula | 02741c5abfddab92146b369abec39a00f743474da72b97d11a7557167ce6bd45

General

Target

02741c5abfddab92146b369abec39a00f743474da72b97d11a7557167ce6bd45.exe
Size

60KB
MD5

1eee7dbb88a4923a82c9d665706c0b3f
SHA1

106ea1ce7aac00dc30711f076d543d812b2eca8c
SHA256

02741c5abfddab92146b369abec39a00f743474da72b97d11a7557167ce6bd45
SHA512

736cc9005bed7f7e47fd237cd77283248de5b89c9d73efeb0baee35714cc548299838416ea0bb56ee227910b8549109ac1dc520e745f949fbae6e8d25de9db24

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

2952 MediaCenter.exe

pid	process
2952	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:

02741c5abfddab92146b369abec39a00f743474da72b97d11a7557167ce6bd45.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	02741c5abfddab92146b369abec39a00f743474da72b97d11a7557167ce6bd45.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

02741c5abfddab92146b369abec39a00f743474da72b97d11a7557167ce6bd45.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"	02741c5abfddab92146b369abec39a00f743474da72b97d11a7557167ce6bd45.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\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\MemoryUsageKB = "4096"	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\PeerInfoCount = "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\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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4208"	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\DownloadMonthlyCdnBytes = "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 = "0.156128"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4312"	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\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893187673078833"	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\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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "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\UplinkUsageBps = "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 = "0.316205"	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\DownlinkBps = "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\SwarmCount = "1"	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 = "0.027886"	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\DownloadMonthlyRateFrBps = "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\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\CacheSizeBytes = "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\GroupConnectionCount = "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\UplinkBps = "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\DownloadMonthlyLinkLocalBytes = "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\UploadCount = "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\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

628 PING.EXE

pid	process
628	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe02741c5abfddab92146b369abec39a00f743474da72b97d11a7557167ce6bd45.exe

description	pid	process
Token: SeSecurityPrivilege	2364	TiWorker.exe
Token: SeRestorePrivilege	2364	TiWorker.exe
Token: SeBackupPrivilege	2364	TiWorker.exe
Token: SeIncBasePriorityPrivilege	928	02741c5abfddab92146b369abec39a00f743474da72b97d11a7557167ce6bd45.exe
Token: SeBackupPrivilege	2364	TiWorker.exe
Token: SeRestorePrivilege	2364	TiWorker.exe
Token: SeSecurityPrivilege	2364	TiWorker.exe
Token: SeBackupPrivilege	2364	TiWorker.exe
Token: SeRestorePrivilege	2364	TiWorker.exe
Token: SeSecurityPrivilege	2364	TiWorker.exe
Token: SeBackupPrivilege	2364	TiWorker.exe
Token: SeRestorePrivilege	2364	TiWorker.exe
Token: SeSecurityPrivilege	2364	TiWorker.exe
Token: SeBackupPrivilege	2364	TiWorker.exe
Token: SeRestorePrivilege	2364	TiWorker.exe
Token: SeSecurityPrivilege	2364	TiWorker.exe
Token: SeBackupPrivilege	2364	TiWorker.exe
Token: SeRestorePrivilege	2364	TiWorker.exe
Token: SeSecurityPrivilege	2364	TiWorker.exe
Token: SeBackupPrivilege	2364	TiWorker.exe
Token: SeRestorePrivilege	2364	TiWorker.exe
Token: SeSecurityPrivilege	2364	TiWorker.exe
Token: SeBackupPrivilege	2364	TiWorker.exe
Token: SeRestorePrivilege	2364	TiWorker.exe
Token: SeSecurityPrivilege	2364	TiWorker.exe
Token: SeBackupPrivilege	2364	TiWorker.exe
Token: SeRestorePrivilege	2364	TiWorker.exe
Token: SeSecurityPrivilege	2364	TiWorker.exe
Token: SeBackupPrivilege	2364	TiWorker.exe
Token: SeRestorePrivilege	2364	TiWorker.exe
Token: SeSecurityPrivilege	2364	TiWorker.exe
Token: SeBackupPrivilege	2364	TiWorker.exe
Token: SeRestorePrivilege	2364	TiWorker.exe
Token: SeSecurityPrivilege	2364	TiWorker.exe
Token: SeBackupPrivilege	2364	TiWorker.exe
Token: SeRestorePrivilege	2364	TiWorker.exe
Token: SeSecurityPrivilege	2364	TiWorker.exe
Token: SeBackupPrivilege	2364	TiWorker.exe
Token: SeRestorePrivilege	2364	TiWorker.exe
Token: SeSecurityPrivilege	2364	TiWorker.exe
Token: SeBackupPrivilege	2364	TiWorker.exe
Token: SeRestorePrivilege	2364	TiWorker.exe
Token: SeSecurityPrivilege	2364	TiWorker.exe
Token: SeBackupPrivilege	2364	TiWorker.exe
Token: SeRestorePrivilege	2364	TiWorker.exe
Token: SeSecurityPrivilege	2364	TiWorker.exe
Token: SeBackupPrivilege	2364	TiWorker.exe
Token: SeRestorePrivilege	2364	TiWorker.exe
Token: SeSecurityPrivilege	2364	TiWorker.exe
Token: SeBackupPrivilege	2364	TiWorker.exe
Token: SeRestorePrivilege	2364	TiWorker.exe
Token: SeSecurityPrivilege	2364	TiWorker.exe
Token: SeBackupPrivilege	2364	TiWorker.exe
Token: SeRestorePrivilege	2364	TiWorker.exe
Token: SeSecurityPrivilege	2364	TiWorker.exe
Token: SeBackupPrivilege	2364	TiWorker.exe
Token: SeRestorePrivilege	2364	TiWorker.exe
Token: SeSecurityPrivilege	2364	TiWorker.exe
Token: SeBackupPrivilege	2364	TiWorker.exe
Token: SeRestorePrivilege	2364	TiWorker.exe
Token: SeSecurityPrivilege	2364	TiWorker.exe
Token: SeBackupPrivilege	2364	TiWorker.exe
Token: SeRestorePrivilege	2364	TiWorker.exe
Token: SeSecurityPrivilege	2364	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

02741c5abfddab92146b369abec39a00f743474da72b97d11a7557167ce6bd45.execmd.exe

description	pid	process	target process
PID 928 wrote to memory of 2952	928	02741c5abfddab92146b369abec39a00f743474da72b97d11a7557167ce6bd45.exe	MediaCenter.exe
PID 928 wrote to memory of 2952	928	02741c5abfddab92146b369abec39a00f743474da72b97d11a7557167ce6bd45.exe	MediaCenter.exe
PID 928 wrote to memory of 2952	928	02741c5abfddab92146b369abec39a00f743474da72b97d11a7557167ce6bd45.exe	MediaCenter.exe
PID 928 wrote to memory of 1772	928	02741c5abfddab92146b369abec39a00f743474da72b97d11a7557167ce6bd45.exe	cmd.exe
PID 928 wrote to memory of 1772	928	02741c5abfddab92146b369abec39a00f743474da72b97d11a7557167ce6bd45.exe	cmd.exe
PID 928 wrote to memory of 1772	928	02741c5abfddab92146b369abec39a00f743474da72b97d11a7557167ce6bd45.exe	cmd.exe
PID 1772 wrote to memory of 628	1772	cmd.exe	PING.EXE
PID 1772 wrote to memory of 628	1772	cmd.exe	PING.EXE
PID 1772 wrote to memory of 628	1772	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\02741c5abfddab92146b369abec39a00f743474da72b97d11a7557167ce6bd45.exe
"C:\Users\Admin\AppData\Local\Temp\02741c5abfddab92146b369abec39a00f743474da72b97d11a7557167ce6bd45.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:928

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2952

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\02741c5abfddab92146b369abec39a00f743474da72b97d11a7557167ce6bd45.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1772

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:628

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2160

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:1468

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:2364

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
e22616b64b29529b1fe3afb5588da4ad

SHA1
3e60c11f9b13e39b3bb2784b08a4426990e70cb6

SHA256
4cd13fa407311bb43a46628bd0df2c10ded0fb652777897b146628f21fafd3be

SHA512
25bfdb5a48aa103067029acc8284c24695a02fe22c5214f3b2a31648d6eeb3420532afe8a590fc7da3152963e3811ee2c20e8d9eec3f074e0461ce3c82a511bf

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
e22616b64b29529b1fe3afb5588da4ad

SHA1
3e60c11f9b13e39b3bb2784b08a4426990e70cb6

SHA256
4cd13fa407311bb43a46628bd0df2c10ded0fb652777897b146628f21fafd3be

SHA512
25bfdb5a48aa103067029acc8284c24695a02fe22c5214f3b2a31648d6eeb3420532afe8a590fc7da3152963e3811ee2c20e8d9eec3f074e0461ce3c82a511bf

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads