sakula | 1534d6e283c5ed53aa26c4afec91ebfc40b5a965a3e63b81c4f3423358c86955

General

Target

1534d6e283c5ed53aa26c4afec91ebfc40b5a965a3e63b81c4f3423358c86955.exe
Size

192KB
MD5

1b58ba30770a90f40326deb6acb5e326
SHA1

9aeb9e6781b0d02da4fa01e075ee8c65411b1979
SHA256

1534d6e283c5ed53aa26c4afec91ebfc40b5a965a3e63b81c4f3423358c86955
SHA512

9c255a052b48f5494e5a54defb7d0cfc87e9761a702855067cbc9760364671383d4cce4aae47f75337f368c23214474e7ae4f3d7d4e0b106da1122172345537c

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

3296 MediaCenter.exe

pid	process
3296	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:

1534d6e283c5ed53aa26c4afec91ebfc40b5a965a3e63b81c4f3423358c86955.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1534d6e283c5ed53aa26c4afec91ebfc40b5a965a3e63b81c4f3423358c86955.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1534d6e283c5ed53aa26c4afec91ebfc40b5a965a3e63b81c4f3423358c86955.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"	1534d6e283c5ed53aa26c4afec91ebfc40b5a965a3e63b81c4f3423358c86955.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
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
File opened for modification	C:\Windows\Logs\CBS\CBS.log	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 51 IoCs

Processes:

svchost.exe

description	ioc	process
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\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892904207788422"	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\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\UplinkBps = "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\PriorityDownloadPendingCount = "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 = "4112"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4056"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "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\MemoryUsageKB = "4300"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.006599"	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\UploadMonthlyInternetBytes = "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\DownloadMonthlyCacheHostBytes = "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\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\DownlinkUsageBps = "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\Usage\CPUpct = "6.250353"	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 = "9.998720"	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
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\CDNConnectionCount = "0"	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\DownloadMonthlyRateFrBps = "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\SwarmCount = "1"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.746953"	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\DownloadMonthlyLanBytes = "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\GroupConnectionCount = "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\Config\DownloadMode_BackCompat = "1"	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\CacheSizeBytes = "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\MonthlyUploadRestriction = "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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1700 PING.EXE

pid	process
1700	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	2880	TiWorker.exe
Token: SeRestorePrivilege	2880	TiWorker.exe
Token: SeBackupPrivilege	2880	TiWorker.exe
Token: SeBackupPrivilege	2880	TiWorker.exe
Token: SeRestorePrivilege	2880	TiWorker.exe
Token: SeSecurityPrivilege	2880	TiWorker.exe
Token: SeBackupPrivilege	2880	TiWorker.exe
Token: SeRestorePrivilege	2880	TiWorker.exe
Token: SeSecurityPrivilege	2880	TiWorker.exe
Token: SeBackupPrivilege	2880	TiWorker.exe
Token: SeRestorePrivilege	2880	TiWorker.exe
Token: SeSecurityPrivilege	2880	TiWorker.exe
Token: SeBackupPrivilege	2880	TiWorker.exe
Token: SeRestorePrivilege	2880	TiWorker.exe
Token: SeSecurityPrivilege	2880	TiWorker.exe
Token: SeBackupPrivilege	2880	TiWorker.exe
Token: SeRestorePrivilege	2880	TiWorker.exe
Token: SeSecurityPrivilege	2880	TiWorker.exe
Token: SeBackupPrivilege	2880	TiWorker.exe
Token: SeRestorePrivilege	2880	TiWorker.exe
Token: SeSecurityPrivilege	2880	TiWorker.exe
Token: SeBackupPrivilege	2880	TiWorker.exe
Token: SeRestorePrivilege	2880	TiWorker.exe
Token: SeSecurityPrivilege	2880	TiWorker.exe
Token: SeBackupPrivilege	2880	TiWorker.exe
Token: SeRestorePrivilege	2880	TiWorker.exe
Token: SeSecurityPrivilege	2880	TiWorker.exe
Token: SeBackupPrivilege	2880	TiWorker.exe
Token: SeRestorePrivilege	2880	TiWorker.exe
Token: SeSecurityPrivilege	2880	TiWorker.exe
Token: SeBackupPrivilege	2880	TiWorker.exe
Token: SeRestorePrivilege	2880	TiWorker.exe
Token: SeSecurityPrivilege	2880	TiWorker.exe
Token: SeBackupPrivilege	2880	TiWorker.exe
Token: SeRestorePrivilege	2880	TiWorker.exe
Token: SeSecurityPrivilege	2880	TiWorker.exe
Token: SeBackupPrivilege	2880	TiWorker.exe
Token: SeRestorePrivilege	2880	TiWorker.exe
Token: SeSecurityPrivilege	2880	TiWorker.exe
Token: SeBackupPrivilege	2880	TiWorker.exe
Token: SeRestorePrivilege	2880	TiWorker.exe
Token: SeSecurityPrivilege	2880	TiWorker.exe
Token: SeBackupPrivilege	2880	TiWorker.exe
Token: SeRestorePrivilege	2880	TiWorker.exe
Token: SeSecurityPrivilege	2880	TiWorker.exe
Token: SeBackupPrivilege	2880	TiWorker.exe
Token: SeRestorePrivilege	2880	TiWorker.exe
Token: SeSecurityPrivilege	2880	TiWorker.exe
Token: SeBackupPrivilege	2880	TiWorker.exe
Token: SeRestorePrivilege	2880	TiWorker.exe
Token: SeSecurityPrivilege	2880	TiWorker.exe
Token: SeBackupPrivilege	2880	TiWorker.exe
Token: SeRestorePrivilege	2880	TiWorker.exe
Token: SeSecurityPrivilege	2880	TiWorker.exe
Token: SeBackupPrivilege	2880	TiWorker.exe
Token: SeRestorePrivilege	2880	TiWorker.exe
Token: SeSecurityPrivilege	2880	TiWorker.exe
Token: SeBackupPrivilege	2880	TiWorker.exe
Token: SeRestorePrivilege	2880	TiWorker.exe
Token: SeSecurityPrivilege	2880	TiWorker.exe
Token: SeBackupPrivilege	2880	TiWorker.exe
Token: SeRestorePrivilege	2880	TiWorker.exe
Token: SeSecurityPrivilege	2880	TiWorker.exe
Token: SeBackupPrivilege	2880	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1534d6e283c5ed53aa26c4afec91ebfc40b5a965a3e63b81c4f3423358c86955.execmd.exe

description	pid	process	target process
PID 2768 wrote to memory of 3296	2768	1534d6e283c5ed53aa26c4afec91ebfc40b5a965a3e63b81c4f3423358c86955.exe	MediaCenter.exe
PID 2768 wrote to memory of 3296	2768	1534d6e283c5ed53aa26c4afec91ebfc40b5a965a3e63b81c4f3423358c86955.exe	MediaCenter.exe
PID 2768 wrote to memory of 3296	2768	1534d6e283c5ed53aa26c4afec91ebfc40b5a965a3e63b81c4f3423358c86955.exe	MediaCenter.exe
PID 2768 wrote to memory of 3580	2768	1534d6e283c5ed53aa26c4afec91ebfc40b5a965a3e63b81c4f3423358c86955.exe	cmd.exe
PID 2768 wrote to memory of 3580	2768	1534d6e283c5ed53aa26c4afec91ebfc40b5a965a3e63b81c4f3423358c86955.exe	cmd.exe
PID 2768 wrote to memory of 3580	2768	1534d6e283c5ed53aa26c4afec91ebfc40b5a965a3e63b81c4f3423358c86955.exe	cmd.exe
PID 3580 wrote to memory of 1700	3580	cmd.exe	PING.EXE
PID 3580 wrote to memory of 1700	3580	cmd.exe	PING.EXE
PID 3580 wrote to memory of 1700	3580	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1534d6e283c5ed53aa26c4afec91ebfc40b5a965a3e63b81c4f3423358c86955.exe
"C:\Users\Admin\AppData\Local\Temp\1534d6e283c5ed53aa26c4afec91ebfc40b5a965a3e63b81c4f3423358c86955.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2768

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3296

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1534d6e283c5ed53aa26c4afec91ebfc40b5a965a3e63b81c4f3423358c86955.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3580

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1700

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2784

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:1320

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:2880

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
b96be7100bb39b492788659a4fbdaf94

SHA1
9eedf75246b5b17e8d08dbdaf661d069aba13263

SHA256
7470603cad2b23fd5f55242786a0d56832df0826128d8005b7c2d896f34d13fd

SHA512
4607985beda11b325de0a11bec88865e1428e0bc26d9d68427a2d28ec9aba36cdca558e40281f295b47db0b21dee312014f9743e562d8534ef483621e6d07343

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

MD5
b96be7100bb39b492788659a4fbdaf94

SHA1
9eedf75246b5b17e8d08dbdaf661d069aba13263

SHA256
7470603cad2b23fd5f55242786a0d56832df0826128d8005b7c2d896f34d13fd

SHA512
4607985beda11b325de0a11bec88865e1428e0bc26d9d68427a2d28ec9aba36cdca558e40281f295b47db0b21dee312014f9743e562d8534ef483621e6d07343

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads