sakula | 052d7fc65832a898513b732113632fbf935cdc32ca385dfb4352e6cc379bb890

General

Target

052d7fc65832a898513b732113632fbf935cdc32ca385dfb4352e6cc379bb890.exe
Size

100KB
MD5

0f3d86feb7b82566ee887eeca2a8a142
SHA1

e14e0188468da54a5cbcab2469a1790d805fb646
SHA256

052d7fc65832a898513b732113632fbf935cdc32ca385dfb4352e6cc379bb890
SHA512

cafe080d6461561cb77ee58b2e703f7834a24e113686b6bb0f03ba7fa21dc376b9975b9e9ba5370c711a12926e15026c35c9c6b1b7f844a978c2c71f9f311750

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

3288 MediaCenter.exe

pid	process
3288	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:

052d7fc65832a898513b732113632fbf935cdc32ca385dfb4352e6cc379bb890.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	052d7fc65832a898513b732113632fbf935cdc32ca385dfb4352e6cc379bb890.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

052d7fc65832a898513b732113632fbf935cdc32ca385dfb4352e6cc379bb890.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"	052d7fc65832a898513b732113632fbf935cdc32ca385dfb4352e6cc379bb890.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 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\CacheSizeBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.932342"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893154169113314"	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\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "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\DownloadMonthlyGroupBytes = "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\SwarmCount = "1"	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\DownloadMonthlyInternetBytes = "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\UploadMonthlyLanBytes = "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 (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\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "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\UploadMonthlyInternetBytes = "0"	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\DownloadMonthlyRateFrCnt = "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\GroupConnectionCount = "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\UploadCount = "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\PeerInfoCount = "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
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4228"	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 = "0.000000"	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\DownloadMonthlyCdnBytes = "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\PriorityDownloadPendingCount = "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\DownloadMonthlyRateFrBps = "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\UplinkUsageBps = "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 = "14.286374"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4440"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1228 PING.EXE

pid	process
1228	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe052d7fc65832a898513b732113632fbf935cdc32ca385dfb4352e6cc379bb890.exe

description	pid	process
Token: SeSecurityPrivilege	3700	TiWorker.exe
Token: SeRestorePrivilege	3700	TiWorker.exe
Token: SeBackupPrivilege	3700	TiWorker.exe
Token: SeBackupPrivilege	3700	TiWorker.exe
Token: SeRestorePrivilege	3700	TiWorker.exe
Token: SeSecurityPrivilege	3700	TiWorker.exe
Token: SeBackupPrivilege	3700	TiWorker.exe
Token: SeRestorePrivilege	3700	TiWorker.exe
Token: SeSecurityPrivilege	3700	TiWorker.exe
Token: SeBackupPrivilege	3700	TiWorker.exe
Token: SeRestorePrivilege	3700	TiWorker.exe
Token: SeSecurityPrivilege	3700	TiWorker.exe
Token: SeBackupPrivilege	3700	TiWorker.exe
Token: SeRestorePrivilege	3700	TiWorker.exe
Token: SeSecurityPrivilege	3700	TiWorker.exe
Token: SeBackupPrivilege	3700	TiWorker.exe
Token: SeRestorePrivilege	3700	TiWorker.exe
Token: SeSecurityPrivilege	3700	TiWorker.exe
Token: SeBackupPrivilege	3700	TiWorker.exe
Token: SeRestorePrivilege	3700	TiWorker.exe
Token: SeSecurityPrivilege	3700	TiWorker.exe
Token: SeIncBasePriorityPrivilege	544	052d7fc65832a898513b732113632fbf935cdc32ca385dfb4352e6cc379bb890.exe
Token: SeBackupPrivilege	3700	TiWorker.exe
Token: SeRestorePrivilege	3700	TiWorker.exe
Token: SeSecurityPrivilege	3700	TiWorker.exe
Token: SeBackupPrivilege	3700	TiWorker.exe
Token: SeRestorePrivilege	3700	TiWorker.exe
Token: SeSecurityPrivilege	3700	TiWorker.exe
Token: SeBackupPrivilege	3700	TiWorker.exe
Token: SeRestorePrivilege	3700	TiWorker.exe
Token: SeSecurityPrivilege	3700	TiWorker.exe
Token: SeBackupPrivilege	3700	TiWorker.exe
Token: SeRestorePrivilege	3700	TiWorker.exe
Token: SeSecurityPrivilege	3700	TiWorker.exe
Token: SeBackupPrivilege	3700	TiWorker.exe
Token: SeRestorePrivilege	3700	TiWorker.exe
Token: SeSecurityPrivilege	3700	TiWorker.exe
Token: SeBackupPrivilege	3700	TiWorker.exe
Token: SeRestorePrivilege	3700	TiWorker.exe
Token: SeSecurityPrivilege	3700	TiWorker.exe
Token: SeBackupPrivilege	3700	TiWorker.exe
Token: SeRestorePrivilege	3700	TiWorker.exe
Token: SeSecurityPrivilege	3700	TiWorker.exe
Token: SeBackupPrivilege	3700	TiWorker.exe
Token: SeRestorePrivilege	3700	TiWorker.exe
Token: SeSecurityPrivilege	3700	TiWorker.exe
Token: SeBackupPrivilege	3700	TiWorker.exe
Token: SeRestorePrivilege	3700	TiWorker.exe
Token: SeSecurityPrivilege	3700	TiWorker.exe
Token: SeBackupPrivilege	3700	TiWorker.exe
Token: SeRestorePrivilege	3700	TiWorker.exe
Token: SeSecurityPrivilege	3700	TiWorker.exe
Token: SeBackupPrivilege	3700	TiWorker.exe
Token: SeRestorePrivilege	3700	TiWorker.exe
Token: SeSecurityPrivilege	3700	TiWorker.exe
Token: SeBackupPrivilege	3700	TiWorker.exe
Token: SeRestorePrivilege	3700	TiWorker.exe
Token: SeSecurityPrivilege	3700	TiWorker.exe
Token: SeBackupPrivilege	3700	TiWorker.exe
Token: SeRestorePrivilege	3700	TiWorker.exe
Token: SeSecurityPrivilege	3700	TiWorker.exe
Token: SeBackupPrivilege	3700	TiWorker.exe
Token: SeRestorePrivilege	3700	TiWorker.exe
Token: SeSecurityPrivilege	3700	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

052d7fc65832a898513b732113632fbf935cdc32ca385dfb4352e6cc379bb890.execmd.exe

description	pid	process	target process
PID 544 wrote to memory of 3288	544	052d7fc65832a898513b732113632fbf935cdc32ca385dfb4352e6cc379bb890.exe	MediaCenter.exe
PID 544 wrote to memory of 3288	544	052d7fc65832a898513b732113632fbf935cdc32ca385dfb4352e6cc379bb890.exe	MediaCenter.exe
PID 544 wrote to memory of 3288	544	052d7fc65832a898513b732113632fbf935cdc32ca385dfb4352e6cc379bb890.exe	MediaCenter.exe
PID 544 wrote to memory of 2088	544	052d7fc65832a898513b732113632fbf935cdc32ca385dfb4352e6cc379bb890.exe	cmd.exe
PID 544 wrote to memory of 2088	544	052d7fc65832a898513b732113632fbf935cdc32ca385dfb4352e6cc379bb890.exe	cmd.exe
PID 544 wrote to memory of 2088	544	052d7fc65832a898513b732113632fbf935cdc32ca385dfb4352e6cc379bb890.exe	cmd.exe
PID 2088 wrote to memory of 1228	2088	cmd.exe	PING.EXE
PID 2088 wrote to memory of 1228	2088	cmd.exe	PING.EXE
PID 2088 wrote to memory of 1228	2088	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\052d7fc65832a898513b732113632fbf935cdc32ca385dfb4352e6cc379bb890.exe
"C:\Users\Admin\AppData\Local\Temp\052d7fc65832a898513b732113632fbf935cdc32ca385dfb4352e6cc379bb890.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:544

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3288

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\052d7fc65832a898513b732113632fbf935cdc32ca385dfb4352e6cc379bb890.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2088

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1228

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 0
1⤵
- Checks processor information in registry
PID:1468

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:2472

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:3700

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
4dd70b240782ed186d41f812648d36a8

SHA1
a86984cc2269ee3fb10dae01a46ffb4f598fd1cb

SHA256
13b7f4e88902c253b2b96abcd83d9444b7a22d78660e6c24a54a024e4f40c964

SHA512
112cccc7ebae938b4be8559ec983595a77a5b6988a1af2abda8ff8af9e225614b10ed1213b3455bd464c4f6080a33d31b2dbca43f617ae9cf7a077bff6d33aff

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
4dd70b240782ed186d41f812648d36a8

SHA1
a86984cc2269ee3fb10dae01a46ffb4f598fd1cb

SHA256
13b7f4e88902c253b2b96abcd83d9444b7a22d78660e6c24a54a024e4f40c964

SHA512
112cccc7ebae938b4be8559ec983595a77a5b6988a1af2abda8ff8af9e225614b10ed1213b3455bd464c4f6080a33d31b2dbca43f617ae9cf7a077bff6d33aff

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads