sakula | 092deb110cc9b450e02114f32d503dc1bb4bc786882501e83244dde8e83140a3

General

Target

092deb110cc9b450e02114f32d503dc1bb4bc786882501e83244dde8e83140a3.exe
Size

36KB
MD5

b31c7d8eeaea05cf2843e8bcd4cf5e9f
SHA1

04ca885eee712a1cefc7fae24a6e327f20a1a410
SHA256

092deb110cc9b450e02114f32d503dc1bb4bc786882501e83244dde8e83140a3
SHA512

4f8f25872f7c4fd617f15090e51dc8b39362b26f3ed3d131170278f9f526eaf8972e81bf50308fe6b985f30f6c75edb46ff15afbc3244496c7688c825eae4728

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

1728 MediaCenter.exe

pid	process
1728	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:

092deb110cc9b450e02114f32d503dc1bb4bc786882501e83244dde8e83140a3.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	092deb110cc9b450e02114f32d503dc1bb4bc786882501e83244dde8e83140a3.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

092deb110cc9b450e02114f32d503dc1bb4bc786882501e83244dde8e83140a3.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"	092deb110cc9b450e02114f32d503dc1bb4bc786882501e83244dde8e83140a3.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 49 IoCs

Processes:

svchost.exe

description	ioc	process
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\CDNConnectionCount = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.143458"	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\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\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.555497"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	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\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\InternetConnectionCount = "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\DownloadMonthlyLanBytes = "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\SwarmCount = "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\Config\DODownloadMode = "1"	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\Config\KVFileExpirationTime = "132893095952179862"	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\DownlinkUsageBps = "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\Usage\GroupConnectionCount = "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 = "4320"	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\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\MemoryUsageKB = "4112"	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\UploadCount = "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\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\DownloadMonthlyRateFrCnt = "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\UplinkUsageBps = "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\PriorityDownloadPendingCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2240 PING.EXE

pid	process
2240	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

092deb110cc9b450e02114f32d503dc1bb4bc786882501e83244dde8e83140a3.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	840	092deb110cc9b450e02114f32d503dc1bb4bc786882501e83244dde8e83140a3.exe
Token: SeSecurityPrivilege	1844	TiWorker.exe
Token: SeRestorePrivilege	1844	TiWorker.exe
Token: SeBackupPrivilege	1844	TiWorker.exe
Token: SeBackupPrivilege	1844	TiWorker.exe
Token: SeRestorePrivilege	1844	TiWorker.exe
Token: SeSecurityPrivilege	1844	TiWorker.exe
Token: SeBackupPrivilege	1844	TiWorker.exe
Token: SeRestorePrivilege	1844	TiWorker.exe
Token: SeSecurityPrivilege	1844	TiWorker.exe
Token: SeBackupPrivilege	1844	TiWorker.exe
Token: SeRestorePrivilege	1844	TiWorker.exe
Token: SeSecurityPrivilege	1844	TiWorker.exe
Token: SeBackupPrivilege	1844	TiWorker.exe
Token: SeRestorePrivilege	1844	TiWorker.exe
Token: SeSecurityPrivilege	1844	TiWorker.exe
Token: SeBackupPrivilege	1844	TiWorker.exe
Token: SeRestorePrivilege	1844	TiWorker.exe
Token: SeSecurityPrivilege	1844	TiWorker.exe
Token: SeBackupPrivilege	1844	TiWorker.exe
Token: SeRestorePrivilege	1844	TiWorker.exe
Token: SeSecurityPrivilege	1844	TiWorker.exe
Token: SeBackupPrivilege	1844	TiWorker.exe
Token: SeRestorePrivilege	1844	TiWorker.exe
Token: SeSecurityPrivilege	1844	TiWorker.exe
Token: SeBackupPrivilege	1844	TiWorker.exe
Token: SeRestorePrivilege	1844	TiWorker.exe
Token: SeSecurityPrivilege	1844	TiWorker.exe
Token: SeBackupPrivilege	1844	TiWorker.exe
Token: SeRestorePrivilege	1844	TiWorker.exe
Token: SeSecurityPrivilege	1844	TiWorker.exe
Token: SeBackupPrivilege	1844	TiWorker.exe
Token: SeRestorePrivilege	1844	TiWorker.exe
Token: SeSecurityPrivilege	1844	TiWorker.exe
Token: SeBackupPrivilege	1844	TiWorker.exe
Token: SeRestorePrivilege	1844	TiWorker.exe
Token: SeSecurityPrivilege	1844	TiWorker.exe
Token: SeBackupPrivilege	1844	TiWorker.exe
Token: SeRestorePrivilege	1844	TiWorker.exe
Token: SeSecurityPrivilege	1844	TiWorker.exe
Token: SeBackupPrivilege	1844	TiWorker.exe
Token: SeRestorePrivilege	1844	TiWorker.exe
Token: SeSecurityPrivilege	1844	TiWorker.exe
Token: SeBackupPrivilege	1844	TiWorker.exe
Token: SeRestorePrivilege	1844	TiWorker.exe
Token: SeSecurityPrivilege	1844	TiWorker.exe
Token: SeBackupPrivilege	1844	TiWorker.exe
Token: SeRestorePrivilege	1844	TiWorker.exe
Token: SeSecurityPrivilege	1844	TiWorker.exe
Token: SeBackupPrivilege	1844	TiWorker.exe
Token: SeRestorePrivilege	1844	TiWorker.exe
Token: SeSecurityPrivilege	1844	TiWorker.exe
Token: SeBackupPrivilege	1844	TiWorker.exe
Token: SeRestorePrivilege	1844	TiWorker.exe
Token: SeSecurityPrivilege	1844	TiWorker.exe
Token: SeBackupPrivilege	1844	TiWorker.exe
Token: SeRestorePrivilege	1844	TiWorker.exe
Token: SeSecurityPrivilege	1844	TiWorker.exe
Token: SeBackupPrivilege	1844	TiWorker.exe
Token: SeRestorePrivilege	1844	TiWorker.exe
Token: SeSecurityPrivilege	1844	TiWorker.exe
Token: SeBackupPrivilege	1844	TiWorker.exe
Token: SeRestorePrivilege	1844	TiWorker.exe
Token: SeSecurityPrivilege	1844	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

092deb110cc9b450e02114f32d503dc1bb4bc786882501e83244dde8e83140a3.execmd.exe

description	pid	process	target process
PID 840 wrote to memory of 1728	840	092deb110cc9b450e02114f32d503dc1bb4bc786882501e83244dde8e83140a3.exe	MediaCenter.exe
PID 840 wrote to memory of 1728	840	092deb110cc9b450e02114f32d503dc1bb4bc786882501e83244dde8e83140a3.exe	MediaCenter.exe
PID 840 wrote to memory of 1728	840	092deb110cc9b450e02114f32d503dc1bb4bc786882501e83244dde8e83140a3.exe	MediaCenter.exe
PID 840 wrote to memory of 3528	840	092deb110cc9b450e02114f32d503dc1bb4bc786882501e83244dde8e83140a3.exe	cmd.exe
PID 840 wrote to memory of 3528	840	092deb110cc9b450e02114f32d503dc1bb4bc786882501e83244dde8e83140a3.exe	cmd.exe
PID 840 wrote to memory of 3528	840	092deb110cc9b450e02114f32d503dc1bb4bc786882501e83244dde8e83140a3.exe	cmd.exe
PID 3528 wrote to memory of 2240	3528	cmd.exe	PING.EXE
PID 3528 wrote to memory of 2240	3528	cmd.exe	PING.EXE
PID 3528 wrote to memory of 2240	3528	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\092deb110cc9b450e02114f32d503dc1bb4bc786882501e83244dde8e83140a3.exe
"C:\Users\Admin\AppData\Local\Temp\092deb110cc9b450e02114f32d503dc1bb4bc786882501e83244dde8e83140a3.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:840

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1728

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\092deb110cc9b450e02114f32d503dc1bb4bc786882501e83244dde8e83140a3.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3528

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2240

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3736

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:1528

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:1844

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
f50ffef9c4a3874180e75bda3d736663

SHA1
4c53301055428392b2c43576a8508cd73af4077a

SHA256
fb458f3dc6600cc37daccd60ed011dd42d694e93d4436636cc2315d78a003e72

SHA512
0b6d8ef5760a5747f3942638fefaaeea83657846956725b5fed4ebc54824854cf45bc09a9a0f80e5ec88f07f87acfa9c9928c80e7bb6f3dd5c2a02bc2ba3862c

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
f50ffef9c4a3874180e75bda3d736663

SHA1
4c53301055428392b2c43576a8508cd73af4077a

SHA256
fb458f3dc6600cc37daccd60ed011dd42d694e93d4436636cc2315d78a003e72

SHA512
0b6d8ef5760a5747f3942638fefaaeea83657846956725b5fed4ebc54824854cf45bc09a9a0f80e5ec88f07f87acfa9c9928c80e7bb6f3dd5c2a02bc2ba3862c

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads