sakula | 099711ac3e0d80f59fd96d11082a2f27571b6d70ba76de07e9e4f52b44b2637d

General

Target

099711ac3e0d80f59fd96d11082a2f27571b6d70ba76de07e9e4f52b44b2637d.exe
Size

35KB
MD5

ca050cb980c4e1c3183d1a1e6d35be97
SHA1

52de54ab815cd9ffe60459de44f3aa970e8293f8
SHA256

099711ac3e0d80f59fd96d11082a2f27571b6d70ba76de07e9e4f52b44b2637d
SHA512

b2430c7e91cafe99e497225b918893357ea9bfb12942f80020cad30e7a522adfd878782fe632553efd39f2c920971366dee646554ef17f58d491e3f9d7ffd84d

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

3308 MediaCenter.exe

pid	process
3308	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:

099711ac3e0d80f59fd96d11082a2f27571b6d70ba76de07e9e4f52b44b2637d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	099711ac3e0d80f59fd96d11082a2f27571b6d70ba76de07e9e4f52b44b2637d.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

099711ac3e0d80f59fd96d11082a2f27571b6d70ba76de07e9e4f52b44b2637d.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"	099711ac3e0d80f59fd96d11082a2f27571b6d70ba76de07e9e4f52b44b2637d.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 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 51 IoCs

Processes:

svchost.exe

description	ioc	process
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\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 (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\LinkLocalConnectionCount = "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\UploadRatePct = "100"	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\NormalDownloadPendingCount = "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\Config\KVFileExpirationTime = "132893086425055185"	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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.696128"	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\CDNConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.006588"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3984"	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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\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\DownloadMonthlyRateFrCnt = "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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.374336"	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\SwarmCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	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\CacheSizeBytes = "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\PriorityDownloadCount = "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\Config	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\MonthlyUploadRestriction = "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 = "4096"	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\DownloadMonthlyLinkLocalBytes = "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\UplinkUsageBps = "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\MemoryUsageKB = "4328"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2168 PING.EXE

pid	process
2168	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe099711ac3e0d80f59fd96d11082a2f27571b6d70ba76de07e9e4f52b44b2637d.exe

description	pid	process
Token: SeSecurityPrivilege	1364	TiWorker.exe
Token: SeRestorePrivilege	1364	TiWorker.exe
Token: SeBackupPrivilege	1364	TiWorker.exe
Token: SeIncBasePriorityPrivilege	2976	099711ac3e0d80f59fd96d11082a2f27571b6d70ba76de07e9e4f52b44b2637d.exe
Token: SeBackupPrivilege	1364	TiWorker.exe
Token: SeRestorePrivilege	1364	TiWorker.exe
Token: SeSecurityPrivilege	1364	TiWorker.exe
Token: SeBackupPrivilege	1364	TiWorker.exe
Token: SeRestorePrivilege	1364	TiWorker.exe
Token: SeSecurityPrivilege	1364	TiWorker.exe
Token: SeBackupPrivilege	1364	TiWorker.exe
Token: SeRestorePrivilege	1364	TiWorker.exe
Token: SeSecurityPrivilege	1364	TiWorker.exe
Token: SeBackupPrivilege	1364	TiWorker.exe
Token: SeRestorePrivilege	1364	TiWorker.exe
Token: SeSecurityPrivilege	1364	TiWorker.exe
Token: SeBackupPrivilege	1364	TiWorker.exe
Token: SeRestorePrivilege	1364	TiWorker.exe
Token: SeSecurityPrivilege	1364	TiWorker.exe
Token: SeBackupPrivilege	1364	TiWorker.exe
Token: SeRestorePrivilege	1364	TiWorker.exe
Token: SeSecurityPrivilege	1364	TiWorker.exe
Token: SeBackupPrivilege	1364	TiWorker.exe
Token: SeRestorePrivilege	1364	TiWorker.exe
Token: SeSecurityPrivilege	1364	TiWorker.exe
Token: SeBackupPrivilege	1364	TiWorker.exe
Token: SeRestorePrivilege	1364	TiWorker.exe
Token: SeSecurityPrivilege	1364	TiWorker.exe
Token: SeBackupPrivilege	1364	TiWorker.exe
Token: SeRestorePrivilege	1364	TiWorker.exe
Token: SeSecurityPrivilege	1364	TiWorker.exe
Token: SeBackupPrivilege	1364	TiWorker.exe
Token: SeRestorePrivilege	1364	TiWorker.exe
Token: SeSecurityPrivilege	1364	TiWorker.exe
Token: SeBackupPrivilege	1364	TiWorker.exe
Token: SeRestorePrivilege	1364	TiWorker.exe
Token: SeSecurityPrivilege	1364	TiWorker.exe
Token: SeBackupPrivilege	1364	TiWorker.exe
Token: SeRestorePrivilege	1364	TiWorker.exe
Token: SeSecurityPrivilege	1364	TiWorker.exe
Token: SeBackupPrivilege	1364	TiWorker.exe
Token: SeRestorePrivilege	1364	TiWorker.exe
Token: SeSecurityPrivilege	1364	TiWorker.exe
Token: SeBackupPrivilege	1364	TiWorker.exe
Token: SeRestorePrivilege	1364	TiWorker.exe
Token: SeSecurityPrivilege	1364	TiWorker.exe
Token: SeBackupPrivilege	1364	TiWorker.exe
Token: SeRestorePrivilege	1364	TiWorker.exe
Token: SeSecurityPrivilege	1364	TiWorker.exe
Token: SeBackupPrivilege	1364	TiWorker.exe
Token: SeRestorePrivilege	1364	TiWorker.exe
Token: SeSecurityPrivilege	1364	TiWorker.exe
Token: SeBackupPrivilege	1364	TiWorker.exe
Token: SeRestorePrivilege	1364	TiWorker.exe
Token: SeSecurityPrivilege	1364	TiWorker.exe
Token: SeBackupPrivilege	1364	TiWorker.exe
Token: SeRestorePrivilege	1364	TiWorker.exe
Token: SeSecurityPrivilege	1364	TiWorker.exe
Token: SeBackupPrivilege	1364	TiWorker.exe
Token: SeRestorePrivilege	1364	TiWorker.exe
Token: SeSecurityPrivilege	1364	TiWorker.exe
Token: SeBackupPrivilege	1364	TiWorker.exe
Token: SeRestorePrivilege	1364	TiWorker.exe
Token: SeSecurityPrivilege	1364	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

099711ac3e0d80f59fd96d11082a2f27571b6d70ba76de07e9e4f52b44b2637d.execmd.exe

description	pid	process	target process
PID 2976 wrote to memory of 3308	2976	099711ac3e0d80f59fd96d11082a2f27571b6d70ba76de07e9e4f52b44b2637d.exe	MediaCenter.exe
PID 2976 wrote to memory of 3308	2976	099711ac3e0d80f59fd96d11082a2f27571b6d70ba76de07e9e4f52b44b2637d.exe	MediaCenter.exe
PID 2976 wrote to memory of 3308	2976	099711ac3e0d80f59fd96d11082a2f27571b6d70ba76de07e9e4f52b44b2637d.exe	MediaCenter.exe
PID 2976 wrote to memory of 3152	2976	099711ac3e0d80f59fd96d11082a2f27571b6d70ba76de07e9e4f52b44b2637d.exe	cmd.exe
PID 2976 wrote to memory of 3152	2976	099711ac3e0d80f59fd96d11082a2f27571b6d70ba76de07e9e4f52b44b2637d.exe	cmd.exe
PID 2976 wrote to memory of 3152	2976	099711ac3e0d80f59fd96d11082a2f27571b6d70ba76de07e9e4f52b44b2637d.exe	cmd.exe
PID 3152 wrote to memory of 2168	3152	cmd.exe	PING.EXE
PID 3152 wrote to memory of 2168	3152	cmd.exe	PING.EXE
PID 3152 wrote to memory of 2168	3152	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\099711ac3e0d80f59fd96d11082a2f27571b6d70ba76de07e9e4f52b44b2637d.exe
"C:\Users\Admin\AppData\Local\Temp\099711ac3e0d80f59fd96d11082a2f27571b6d70ba76de07e9e4f52b44b2637d.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2976

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3308

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\099711ac3e0d80f59fd96d11082a2f27571b6d70ba76de07e9e4f52b44b2637d.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3152

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2168

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:2764

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:1364

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
55f65a9371fbdc43a6f098465f6e9e35

SHA1
28957a506a5f3b7bb4b1a8b5a1a6abacc53ef86f

SHA256
4ed1c4563de1c11c7b9f024bf65267e29a04dab97ebcf1beed7fd2cd556708fd

SHA512
6b0de2ca2a43056b0fd734674a2ae2e75b6f28b13969ee5068c6c9dc195ab8b04588262da0d08a24a784cc5e856b1552f3622adadbbb2757ce1909b3dcda1e63

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
55f65a9371fbdc43a6f098465f6e9e35

SHA1
28957a506a5f3b7bb4b1a8b5a1a6abacc53ef86f

SHA256
4ed1c4563de1c11c7b9f024bf65267e29a04dab97ebcf1beed7fd2cd556708fd

SHA512
6b0de2ca2a43056b0fd734674a2ae2e75b6f28b13969ee5068c6c9dc195ab8b04588262da0d08a24a784cc5e856b1552f3622adadbbb2757ce1909b3dcda1e63

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads