sakula | 05846ff6728386aab959a3a294b8c48c2f420314019158eee361e7db7617178b

General

Target

05846ff6728386aab959a3a294b8c48c2f420314019158eee361e7db7617178b.exe
Size

58KB
MD5

b7fc7f298495ecc674889d3d06fb2025
SHA1

0ca69352c1901aaf2ee8d0da057baf15be0e1856
SHA256

05846ff6728386aab959a3a294b8c48c2f420314019158eee361e7db7617178b
SHA512

b9de858acdc6c7b7d8f8991cd03448b4c3965b20874b0df96eb4359bfe7985f0b55ed584aeb2d4514194fd22e1878d8adb08c2456a67627440f4d3c32f173573

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

3524 MediaCenter.exe

pid	process
3524	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:

05846ff6728386aab959a3a294b8c48c2f420314019158eee361e7db7617178b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	05846ff6728386aab959a3a294b8c48c2f420314019158eee361e7db7617178b.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

05846ff6728386aab959a3a294b8c48c2f420314019158eee361e7db7617178b.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"	05846ff6728386aab959a3a294b8c48c2f420314019158eee361e7db7617178b.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 52 IoCs

Processes:

svchost.exe

description	ioc	process
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\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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3928"	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 = "4256"	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\DownloadMonthlyCdnBytes = "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\LANConnectionCount = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4076"	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\Config\KVFileExpirationTime = "132893147872030891"	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\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\DownloadMonthlyRateFrBps = "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\SwarmCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.013141"	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
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\UploadMonthlyLanBytes = "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\DownloadMonthlyGroupBytes = "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\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\CDNConnectionCount = "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\Config\DODownloadMode = "1"	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\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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "11.537178"	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\CacheSizeBytes = "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\BkDownloadRatePct = "45"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "19.995956"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4280"	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\UploadCount = "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 = "7.894931"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

228 PING.EXE

pid	process
228	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe
Token: SeRestorePrivilege	1524	TiWorker.exe
Token: SeSecurityPrivilege	1524	TiWorker.exe
Token: SeBackupPrivilege	1524	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

05846ff6728386aab959a3a294b8c48c2f420314019158eee361e7db7617178b.execmd.exe

description	pid	process	target process
PID 3104 wrote to memory of 3524	3104	05846ff6728386aab959a3a294b8c48c2f420314019158eee361e7db7617178b.exe	MediaCenter.exe
PID 3104 wrote to memory of 3524	3104	05846ff6728386aab959a3a294b8c48c2f420314019158eee361e7db7617178b.exe	MediaCenter.exe
PID 3104 wrote to memory of 3524	3104	05846ff6728386aab959a3a294b8c48c2f420314019158eee361e7db7617178b.exe	MediaCenter.exe
PID 3104 wrote to memory of 4024	3104	05846ff6728386aab959a3a294b8c48c2f420314019158eee361e7db7617178b.exe	cmd.exe
PID 3104 wrote to memory of 4024	3104	05846ff6728386aab959a3a294b8c48c2f420314019158eee361e7db7617178b.exe	cmd.exe
PID 3104 wrote to memory of 4024	3104	05846ff6728386aab959a3a294b8c48c2f420314019158eee361e7db7617178b.exe	cmd.exe
PID 4024 wrote to memory of 228	4024	cmd.exe	PING.EXE
PID 4024 wrote to memory of 228	4024	cmd.exe	PING.EXE
PID 4024 wrote to memory of 228	4024	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\05846ff6728386aab959a3a294b8c48c2f420314019158eee361e7db7617178b.exe
"C:\Users\Admin\AppData\Local\Temp\05846ff6728386aab959a3a294b8c48c2f420314019158eee361e7db7617178b.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3104

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3524

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\05846ff6728386aab959a3a294b8c48c2f420314019158eee361e7db7617178b.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4024

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:228

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3404

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:392

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:1524

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
9eb1a02c2e1bfd62a4ae9510b601a2c9

SHA1
e55e81e736bc8e009c7e4285ddb2b34e1442866b

SHA256
7c9c9990b4ec932b51858d2b8e21df3058afe85d4457aaa20beefd77135ef5ae

SHA512
aeb4d66c26f204e8de88809236b956362b8a80ba032fc836958bb38fa732b004b3a77912bee7bad43c143673d6056d7dae515ae87d85768eda798e9dddd0b9b2

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
9eb1a02c2e1bfd62a4ae9510b601a2c9

SHA1
e55e81e736bc8e009c7e4285ddb2b34e1442866b

SHA256
7c9c9990b4ec932b51858d2b8e21df3058afe85d4457aaa20beefd77135ef5ae

SHA512
aeb4d66c26f204e8de88809236b956362b8a80ba032fc836958bb38fa732b004b3a77912bee7bad43c143673d6056d7dae515ae87d85768eda798e9dddd0b9b2

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads