sakula | 04d50dba13380a4d544ccb7485d680b42e0362e7207a3504f11da9c2e21f072f

General

Target

04d50dba13380a4d544ccb7485d680b42e0362e7207a3504f11da9c2e21f072f.exe
Size

79KB
MD5

2db9096916b587017be8ce7fa74f7b3c
SHA1

84e82086711d825808c7313289ef7ef89669e2d7
SHA256

04d50dba13380a4d544ccb7485d680b42e0362e7207a3504f11da9c2e21f072f
SHA512

30a01d7398dbb6d95d75f7b778fe8f07cece66bea9037c9754995659f3c36552d199b23290ce4b88892e1938b377a3d1b69b048644ab19de8ea56b6675e38af8

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

4016 MediaCenter.exe

pid	process
4016	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:

04d50dba13380a4d544ccb7485d680b42e0362e7207a3504f11da9c2e21f072f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	04d50dba13380a4d544ccb7485d680b42e0362e7207a3504f11da9c2e21f072f.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

04d50dba13380a4d544ccb7485d680b42e0362e7207a3504f11da9c2e21f072f.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"	04d50dba13380a4d544ccb7485d680b42e0362e7207a3504f11da9c2e21f072f.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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.486954"	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\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "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\DownloadMonthlyInternetBytes = "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\MemoryUsageKB = "4180"	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\Config\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "14.894341"	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\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4228"	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\Usage	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\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\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\Usage\DownloadMonthlyCacheHostBytes = "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\MonthID = "2"	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\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\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\Config	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893158830087745"	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 = "7.144980"	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\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\InternetConnectionCount = "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\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\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\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\DownloadMonthlyRateFrCnt = "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\MemoryUsageKB = "4288"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

964 PING.EXE

pid	process
964	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

04d50dba13380a4d544ccb7485d680b42e0362e7207a3504f11da9c2e21f072f.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3476	04d50dba13380a4d544ccb7485d680b42e0362e7207a3504f11da9c2e21f072f.exe
Token: SeSecurityPrivilege	1544	TiWorker.exe
Token: SeRestorePrivilege	1544	TiWorker.exe
Token: SeBackupPrivilege	1544	TiWorker.exe
Token: SeBackupPrivilege	1544	TiWorker.exe
Token: SeRestorePrivilege	1544	TiWorker.exe
Token: SeSecurityPrivilege	1544	TiWorker.exe
Token: SeBackupPrivilege	1544	TiWorker.exe
Token: SeRestorePrivilege	1544	TiWorker.exe
Token: SeSecurityPrivilege	1544	TiWorker.exe
Token: SeBackupPrivilege	1544	TiWorker.exe
Token: SeRestorePrivilege	1544	TiWorker.exe
Token: SeSecurityPrivilege	1544	TiWorker.exe
Token: SeBackupPrivilege	1544	TiWorker.exe
Token: SeRestorePrivilege	1544	TiWorker.exe
Token: SeSecurityPrivilege	1544	TiWorker.exe
Token: SeBackupPrivilege	1544	TiWorker.exe
Token: SeRestorePrivilege	1544	TiWorker.exe
Token: SeSecurityPrivilege	1544	TiWorker.exe
Token: SeBackupPrivilege	1544	TiWorker.exe
Token: SeRestorePrivilege	1544	TiWorker.exe
Token: SeSecurityPrivilege	1544	TiWorker.exe
Token: SeBackupPrivilege	1544	TiWorker.exe
Token: SeRestorePrivilege	1544	TiWorker.exe
Token: SeSecurityPrivilege	1544	TiWorker.exe
Token: SeBackupPrivilege	1544	TiWorker.exe
Token: SeRestorePrivilege	1544	TiWorker.exe
Token: SeSecurityPrivilege	1544	TiWorker.exe
Token: SeBackupPrivilege	1544	TiWorker.exe
Token: SeRestorePrivilege	1544	TiWorker.exe
Token: SeSecurityPrivilege	1544	TiWorker.exe
Token: SeBackupPrivilege	1544	TiWorker.exe
Token: SeRestorePrivilege	1544	TiWorker.exe
Token: SeSecurityPrivilege	1544	TiWorker.exe
Token: SeBackupPrivilege	1544	TiWorker.exe
Token: SeRestorePrivilege	1544	TiWorker.exe
Token: SeSecurityPrivilege	1544	TiWorker.exe
Token: SeBackupPrivilege	1544	TiWorker.exe
Token: SeRestorePrivilege	1544	TiWorker.exe
Token: SeSecurityPrivilege	1544	TiWorker.exe
Token: SeBackupPrivilege	1544	TiWorker.exe
Token: SeRestorePrivilege	1544	TiWorker.exe
Token: SeSecurityPrivilege	1544	TiWorker.exe
Token: SeBackupPrivilege	1544	TiWorker.exe
Token: SeRestorePrivilege	1544	TiWorker.exe
Token: SeSecurityPrivilege	1544	TiWorker.exe
Token: SeBackupPrivilege	1544	TiWorker.exe
Token: SeRestorePrivilege	1544	TiWorker.exe
Token: SeSecurityPrivilege	1544	TiWorker.exe
Token: SeBackupPrivilege	1544	TiWorker.exe
Token: SeRestorePrivilege	1544	TiWorker.exe
Token: SeSecurityPrivilege	1544	TiWorker.exe
Token: SeBackupPrivilege	1544	TiWorker.exe
Token: SeRestorePrivilege	1544	TiWorker.exe
Token: SeSecurityPrivilege	1544	TiWorker.exe
Token: SeBackupPrivilege	1544	TiWorker.exe
Token: SeRestorePrivilege	1544	TiWorker.exe
Token: SeSecurityPrivilege	1544	TiWorker.exe
Token: SeBackupPrivilege	1544	TiWorker.exe
Token: SeRestorePrivilege	1544	TiWorker.exe
Token: SeSecurityPrivilege	1544	TiWorker.exe
Token: SeBackupPrivilege	1544	TiWorker.exe
Token: SeRestorePrivilege	1544	TiWorker.exe
Token: SeSecurityPrivilege	1544	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

04d50dba13380a4d544ccb7485d680b42e0362e7207a3504f11da9c2e21f072f.execmd.exe

description	pid	process	target process
PID 3476 wrote to memory of 4016	3476	04d50dba13380a4d544ccb7485d680b42e0362e7207a3504f11da9c2e21f072f.exe	MediaCenter.exe
PID 3476 wrote to memory of 4016	3476	04d50dba13380a4d544ccb7485d680b42e0362e7207a3504f11da9c2e21f072f.exe	MediaCenter.exe
PID 3476 wrote to memory of 4016	3476	04d50dba13380a4d544ccb7485d680b42e0362e7207a3504f11da9c2e21f072f.exe	MediaCenter.exe
PID 3476 wrote to memory of 1852	3476	04d50dba13380a4d544ccb7485d680b42e0362e7207a3504f11da9c2e21f072f.exe	cmd.exe
PID 3476 wrote to memory of 1852	3476	04d50dba13380a4d544ccb7485d680b42e0362e7207a3504f11da9c2e21f072f.exe	cmd.exe
PID 3476 wrote to memory of 1852	3476	04d50dba13380a4d544ccb7485d680b42e0362e7207a3504f11da9c2e21f072f.exe	cmd.exe
PID 1852 wrote to memory of 964	1852	cmd.exe	PING.EXE
PID 1852 wrote to memory of 964	1852	cmd.exe	PING.EXE
PID 1852 wrote to memory of 964	1852	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\04d50dba13380a4d544ccb7485d680b42e0362e7207a3504f11da9c2e21f072f.exe
"C:\Users\Admin\AppData\Local\Temp\04d50dba13380a4d544ccb7485d680b42e0362e7207a3504f11da9c2e21f072f.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3476

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:4016

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\04d50dba13380a4d544ccb7485d680b42e0362e7207a3504f11da9c2e21f072f.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1852

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:964

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2492

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:2972

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:1544

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
f136376df3a530e6d6eb089e6a0e4e6e

SHA1
ffd6d8a9738a42cb7d4265fca191a2aa88387585

SHA256
cb71a54dd69fc1972e4fab365d41bd4541e71abb6de51d1d71816fb2188a7aa5

SHA512
726668284df961a9133a65d5b50f405179db25f0612bace591ff07b6808d4144bd89ae64352f04ea5d942c1348dc8e28ca6583fae754c2ee5b5320617fb365b4

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
f136376df3a530e6d6eb089e6a0e4e6e

SHA1
ffd6d8a9738a42cb7d4265fca191a2aa88387585

SHA256
cb71a54dd69fc1972e4fab365d41bd4541e71abb6de51d1d71816fb2188a7aa5

SHA512
726668284df961a9133a65d5b50f405179db25f0612bace591ff07b6808d4144bd89ae64352f04ea5d942c1348dc8e28ca6583fae754c2ee5b5320617fb365b4

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads