sakula | 0925dd5c5c9fe098be5c665dd41c7991a6895fd35c14f07933152a35e4eb93eb

General

Target

0925dd5c5c9fe098be5c665dd41c7991a6895fd35c14f07933152a35e4eb93eb.exe
Size

101KB
MD5

f7a2edec2100a080989cf073bfb0b722
SHA1

d594871fb453cf9f7114988c2236a6863e4d3c40
SHA256

0925dd5c5c9fe098be5c665dd41c7991a6895fd35c14f07933152a35e4eb93eb
SHA512

c88aa500c0ff95b96c318ef7e6151b0e9984a8873db7d21bae597cf5f49e8455498f5ce9e32d8d3246ad7a99200e55e500200183717f39a6605bd2563b2d4ffa

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula

Sakula Payload 2 IoCs

Processes:

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

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

112 MediaCenter.exe

pid	process
112	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:

0925dd5c5c9fe098be5c665dd41c7991a6895fd35c14f07933152a35e4eb93eb.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0925dd5c5c9fe098be5c665dd41c7991a6895fd35c14f07933152a35e4eb93eb.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0925dd5c5c9fe098be5c665dd41c7991a6895fd35c14f07933152a35e4eb93eb.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"	0925dd5c5c9fe098be5c665dd41c7991a6895fd35c14f07933152a35e4eb93eb.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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\DownloadMonthlyRateFrCnt = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4268"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "24.957353"	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\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\MonthlyUploadRestriction = "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\GroupConnectionCount = "0"	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\SwarmCount = "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\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\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\SwarmCount = "1"	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\DownlinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.097861"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4036"	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\UploadMonthlyLanBytes = "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\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "22.222554"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "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\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\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893098022716388"	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\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\DownloadMonthlyCacheHostBytes = "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\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	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\LANConnectionCount = "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\MemoryUsageKB = "4264"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3348 PING.EXE

pid	process
3348	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0925dd5c5c9fe098be5c665dd41c7991a6895fd35c14f07933152a35e4eb93eb.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2400	0925dd5c5c9fe098be5c665dd41c7991a6895fd35c14f07933152a35e4eb93eb.exe
Token: SeSecurityPrivilege	1332	TiWorker.exe
Token: SeRestorePrivilege	1332	TiWorker.exe
Token: SeBackupPrivilege	1332	TiWorker.exe
Token: SeBackupPrivilege	1332	TiWorker.exe
Token: SeRestorePrivilege	1332	TiWorker.exe
Token: SeSecurityPrivilege	1332	TiWorker.exe
Token: SeBackupPrivilege	1332	TiWorker.exe
Token: SeRestorePrivilege	1332	TiWorker.exe
Token: SeSecurityPrivilege	1332	TiWorker.exe
Token: SeBackupPrivilege	1332	TiWorker.exe
Token: SeRestorePrivilege	1332	TiWorker.exe
Token: SeSecurityPrivilege	1332	TiWorker.exe
Token: SeBackupPrivilege	1332	TiWorker.exe
Token: SeRestorePrivilege	1332	TiWorker.exe
Token: SeSecurityPrivilege	1332	TiWorker.exe
Token: SeBackupPrivilege	1332	TiWorker.exe
Token: SeRestorePrivilege	1332	TiWorker.exe
Token: SeSecurityPrivilege	1332	TiWorker.exe
Token: SeBackupPrivilege	1332	TiWorker.exe
Token: SeRestorePrivilege	1332	TiWorker.exe
Token: SeSecurityPrivilege	1332	TiWorker.exe
Token: SeBackupPrivilege	1332	TiWorker.exe
Token: SeRestorePrivilege	1332	TiWorker.exe
Token: SeSecurityPrivilege	1332	TiWorker.exe
Token: SeBackupPrivilege	1332	TiWorker.exe
Token: SeRestorePrivilege	1332	TiWorker.exe
Token: SeSecurityPrivilege	1332	TiWorker.exe
Token: SeBackupPrivilege	1332	TiWorker.exe
Token: SeRestorePrivilege	1332	TiWorker.exe
Token: SeSecurityPrivilege	1332	TiWorker.exe
Token: SeBackupPrivilege	1332	TiWorker.exe
Token: SeRestorePrivilege	1332	TiWorker.exe
Token: SeSecurityPrivilege	1332	TiWorker.exe
Token: SeBackupPrivilege	1332	TiWorker.exe
Token: SeRestorePrivilege	1332	TiWorker.exe
Token: SeSecurityPrivilege	1332	TiWorker.exe
Token: SeBackupPrivilege	1332	TiWorker.exe
Token: SeRestorePrivilege	1332	TiWorker.exe
Token: SeSecurityPrivilege	1332	TiWorker.exe
Token: SeBackupPrivilege	1332	TiWorker.exe
Token: SeRestorePrivilege	1332	TiWorker.exe
Token: SeSecurityPrivilege	1332	TiWorker.exe
Token: SeBackupPrivilege	1332	TiWorker.exe
Token: SeRestorePrivilege	1332	TiWorker.exe
Token: SeSecurityPrivilege	1332	TiWorker.exe
Token: SeBackupPrivilege	1332	TiWorker.exe
Token: SeRestorePrivilege	1332	TiWorker.exe
Token: SeSecurityPrivilege	1332	TiWorker.exe
Token: SeBackupPrivilege	1332	TiWorker.exe
Token: SeRestorePrivilege	1332	TiWorker.exe
Token: SeSecurityPrivilege	1332	TiWorker.exe
Token: SeBackupPrivilege	1332	TiWorker.exe
Token: SeRestorePrivilege	1332	TiWorker.exe
Token: SeSecurityPrivilege	1332	TiWorker.exe
Token: SeBackupPrivilege	1332	TiWorker.exe
Token: SeRestorePrivilege	1332	TiWorker.exe
Token: SeSecurityPrivilege	1332	TiWorker.exe
Token: SeBackupPrivilege	1332	TiWorker.exe
Token: SeRestorePrivilege	1332	TiWorker.exe
Token: SeSecurityPrivilege	1332	TiWorker.exe
Token: SeBackupPrivilege	1332	TiWorker.exe
Token: SeRestorePrivilege	1332	TiWorker.exe
Token: SeSecurityPrivilege	1332	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0925dd5c5c9fe098be5c665dd41c7991a6895fd35c14f07933152a35e4eb93eb.execmd.exe

description	pid	process	target process
PID 2400 wrote to memory of 112	2400	0925dd5c5c9fe098be5c665dd41c7991a6895fd35c14f07933152a35e4eb93eb.exe	MediaCenter.exe
PID 2400 wrote to memory of 112	2400	0925dd5c5c9fe098be5c665dd41c7991a6895fd35c14f07933152a35e4eb93eb.exe	MediaCenter.exe
PID 2400 wrote to memory of 112	2400	0925dd5c5c9fe098be5c665dd41c7991a6895fd35c14f07933152a35e4eb93eb.exe	MediaCenter.exe
PID 2400 wrote to memory of 3844	2400	0925dd5c5c9fe098be5c665dd41c7991a6895fd35c14f07933152a35e4eb93eb.exe	cmd.exe
PID 2400 wrote to memory of 3844	2400	0925dd5c5c9fe098be5c665dd41c7991a6895fd35c14f07933152a35e4eb93eb.exe	cmd.exe
PID 2400 wrote to memory of 3844	2400	0925dd5c5c9fe098be5c665dd41c7991a6895fd35c14f07933152a35e4eb93eb.exe	cmd.exe
PID 3844 wrote to memory of 3348	3844	cmd.exe	PING.EXE
PID 3844 wrote to memory of 3348	3844	cmd.exe	PING.EXE
PID 3844 wrote to memory of 3348	3844	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0925dd5c5c9fe098be5c665dd41c7991a6895fd35c14f07933152a35e4eb93eb.exe
"C:\Users\Admin\AppData\Local\Temp\0925dd5c5c9fe098be5c665dd41c7991a6895fd35c14f07933152a35e4eb93eb.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2400

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:112

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0925dd5c5c9fe098be5c665dd41c7991a6895fd35c14f07933152a35e4eb93eb.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3844

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3348

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3232

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:872

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:1332

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
7357510bea0823c2e13b9267aaa8bd44

SHA1
ac89ca6abfa387e17114693c7476a69e636d43ae

SHA256
947b0a0aecd6d1f8fff0885bba034e76b0a81d9c5896c465d34f8831ed68b9ec

SHA512
1b8cba7ad3f6832b01075793f7604eaa32d5f9cb0d5763f295ac786ce2fcba5bf45809e7375e7935c394bfb078fe48f891d3cc1130ec4eb64bcd0c09b5663c89

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
7357510bea0823c2e13b9267aaa8bd44

SHA1
ac89ca6abfa387e17114693c7476a69e636d43ae

SHA256
947b0a0aecd6d1f8fff0885bba034e76b0a81d9c5896c465d34f8831ed68b9ec

SHA512
1b8cba7ad3f6832b01075793f7604eaa32d5f9cb0d5763f295ac786ce2fcba5bf45809e7375e7935c394bfb078fe48f891d3cc1130ec4eb64bcd0c09b5663c89

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads