sakula | 09a9d3015167fce4c61a135e3d1cf290dcdf98427a2b7fe7c8c449faefd27cca

General

Target

09a9d3015167fce4c61a135e3d1cf290dcdf98427a2b7fe7c8c449faefd27cca.exe
Size

36KB
MD5

e2b9cfc20b95f5969870bd2a9a548f14
SHA1

0f60a1382696226aaf4bc188f5ed360f190d8cf1
SHA256

09a9d3015167fce4c61a135e3d1cf290dcdf98427a2b7fe7c8c449faefd27cca
SHA512

414e0b3dd568daaf9e92146559eccd68ea0e0ba55a5c362c75cbe770dfb9d2292fbeade815f243ee0c892b42ded9fc8e262249e8fbf7af1aab9781db01bda6db

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

2028 MediaCenter.exe

pid	process
2028	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:

09a9d3015167fce4c61a135e3d1cf290dcdf98427a2b7fe7c8c449faefd27cca.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	09a9d3015167fce4c61a135e3d1cf290dcdf98427a2b7fe7c8c449faefd27cca.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

09a9d3015167fce4c61a135e3d1cf290dcdf98427a2b7fe7c8c449faefd27cca.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"	09a9d3015167fce4c61a135e3d1cf290dcdf98427a2b7fe7c8c449faefd27cca.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 51 IoCs

Processes:

svchost.exe

description	ioc	process
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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.337591"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4356"	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\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893085477787887"	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 = "4032"	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\SwarmCount = "1"	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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.554880"	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\DownloadMonthlyRateFrBps = "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\PriorityDownloadCount = "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\BkDownloadRatePct = "45"	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\DownloadMonthlyLanBytes = "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\DownloadMonthlyRateFrCnt = "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\NormalDownloadCount = "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\PeerInfoCount = "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\DownlinkBps = "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\GroupConnectionCount = "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\MemoryUsageKB = "4160"	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\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "17.632667"	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\UplinkUsageBps = "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\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\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\Config\DODownloadMode = "1"	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\MonthID = "2"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2108 PING.EXE

pid	process
2108	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe09a9d3015167fce4c61a135e3d1cf290dcdf98427a2b7fe7c8c449faefd27cca.exe

description	pid	process
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeIncBasePriorityPrivilege	3860	09a9d3015167fce4c61a135e3d1cf290dcdf98427a2b7fe7c8c449faefd27cca.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe
Token: SeBackupPrivilege	2744	TiWorker.exe
Token: SeRestorePrivilege	2744	TiWorker.exe
Token: SeSecurityPrivilege	2744	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

09a9d3015167fce4c61a135e3d1cf290dcdf98427a2b7fe7c8c449faefd27cca.execmd.exe

description	pid	process	target process
PID 3860 wrote to memory of 2028	3860	09a9d3015167fce4c61a135e3d1cf290dcdf98427a2b7fe7c8c449faefd27cca.exe	MediaCenter.exe
PID 3860 wrote to memory of 2028	3860	09a9d3015167fce4c61a135e3d1cf290dcdf98427a2b7fe7c8c449faefd27cca.exe	MediaCenter.exe
PID 3860 wrote to memory of 2028	3860	09a9d3015167fce4c61a135e3d1cf290dcdf98427a2b7fe7c8c449faefd27cca.exe	MediaCenter.exe
PID 3860 wrote to memory of 1028	3860	09a9d3015167fce4c61a135e3d1cf290dcdf98427a2b7fe7c8c449faefd27cca.exe	cmd.exe
PID 3860 wrote to memory of 1028	3860	09a9d3015167fce4c61a135e3d1cf290dcdf98427a2b7fe7c8c449faefd27cca.exe	cmd.exe
PID 3860 wrote to memory of 1028	3860	09a9d3015167fce4c61a135e3d1cf290dcdf98427a2b7fe7c8c449faefd27cca.exe	cmd.exe
PID 1028 wrote to memory of 2108	1028	cmd.exe	PING.EXE
PID 1028 wrote to memory of 2108	1028	cmd.exe	PING.EXE
PID 1028 wrote to memory of 2108	1028	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\09a9d3015167fce4c61a135e3d1cf290dcdf98427a2b7fe7c8c449faefd27cca.exe
"C:\Users\Admin\AppData\Local\Temp\09a9d3015167fce4c61a135e3d1cf290dcdf98427a2b7fe7c8c449faefd27cca.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3860

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2028

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\09a9d3015167fce4c61a135e3d1cf290dcdf98427a2b7fe7c8c449faefd27cca.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1028

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2108

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3144

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:2044

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:2744

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
c3aa3e19f822bd7569d1eb1926a448e0

SHA1
8bea6e46da6fad3a7e4a99caf369776b3fcf8488

SHA256
e2c3e1de0f9f7cb406896a6ac9baf3af1761747049f2648aa4170640fa016091

SHA512
42a99c7884f866c5ea6074d5e1a16e715a4a957defbe1c3924872765a8f8bd67a7bc087997416774a62511422af100179326a91753f636f1a8d3e6b541916f2f

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
c3aa3e19f822bd7569d1eb1926a448e0

SHA1
8bea6e46da6fad3a7e4a99caf369776b3fcf8488

SHA256
e2c3e1de0f9f7cb406896a6ac9baf3af1761747049f2648aa4170640fa016091

SHA512
42a99c7884f866c5ea6074d5e1a16e715a4a957defbe1c3924872765a8f8bd67a7bc087997416774a62511422af100179326a91753f636f1a8d3e6b541916f2f

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads