sakula | 08d3904bcae9fe43aaabb4b2e85ac0ead13d0b8361a77c51307cc7e4c365e681

General

Target

08d3904bcae9fe43aaabb4b2e85ac0ead13d0b8361a77c51307cc7e4c365e681.exe
Size

99KB
MD5

5c0588a2d131503f90ce52023501dc85
SHA1

b4611a33715ac0d9a9101b45e706efe4b5cb5666
SHA256

08d3904bcae9fe43aaabb4b2e85ac0ead13d0b8361a77c51307cc7e4c365e681
SHA512

96e89e05fa38240b36934899d0d0c327d00f4621b61671d436185bcf50cde7b819bf08ead88c20eba22fba736b024c8e1db66179b5b706b9acb2841769f1a54c

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

2860 MediaCenter.exe

pid	process
2860	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:

08d3904bcae9fe43aaabb4b2e85ac0ead13d0b8361a77c51307cc7e4c365e681.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	08d3904bcae9fe43aaabb4b2e85ac0ead13d0b8361a77c51307cc7e4c365e681.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

08d3904bcae9fe43aaabb4b2e85ac0ead13d0b8361a77c51307cc7e4c365e681.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"	08d3904bcae9fe43aaabb4b2e85ac0ead13d0b8361a77c51307cc7e4c365e681.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\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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "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\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893101616318241"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\LANConnectionCount = "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\UploadCount = "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\Config\DODownloadMode = "1"	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\DownloadMonthlyRateBkCnt = "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\MonthlyUploadRestriction = "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\DownlinkUsageBps = "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\UploadRatePct = "100"	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\PeerInfoCount = "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\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.153883"	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\DownloadMonthlyCdnBytes = "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\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.142044"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "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\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4092"	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\FrDownloadRatePct = "90"	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
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\MonthID = "2"	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 = "4292"	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

2204 PING.EXE

pid	process
2204	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe08d3904bcae9fe43aaabb4b2e85ac0ead13d0b8361a77c51307cc7e4c365e681.exe

description	pid	process
Token: SeSecurityPrivilege	3196	TiWorker.exe
Token: SeRestorePrivilege	3196	TiWorker.exe
Token: SeBackupPrivilege	3196	TiWorker.exe
Token: SeIncBasePriorityPrivilege	1344	08d3904bcae9fe43aaabb4b2e85ac0ead13d0b8361a77c51307cc7e4c365e681.exe
Token: SeBackupPrivilege	3196	TiWorker.exe
Token: SeRestorePrivilege	3196	TiWorker.exe
Token: SeSecurityPrivilege	3196	TiWorker.exe
Token: SeBackupPrivilege	3196	TiWorker.exe
Token: SeRestorePrivilege	3196	TiWorker.exe
Token: SeSecurityPrivilege	3196	TiWorker.exe
Token: SeBackupPrivilege	3196	TiWorker.exe
Token: SeRestorePrivilege	3196	TiWorker.exe
Token: SeSecurityPrivilege	3196	TiWorker.exe
Token: SeBackupPrivilege	3196	TiWorker.exe
Token: SeRestorePrivilege	3196	TiWorker.exe
Token: SeSecurityPrivilege	3196	TiWorker.exe
Token: SeBackupPrivilege	3196	TiWorker.exe
Token: SeRestorePrivilege	3196	TiWorker.exe
Token: SeSecurityPrivilege	3196	TiWorker.exe
Token: SeBackupPrivilege	3196	TiWorker.exe
Token: SeRestorePrivilege	3196	TiWorker.exe
Token: SeSecurityPrivilege	3196	TiWorker.exe
Token: SeBackupPrivilege	3196	TiWorker.exe
Token: SeRestorePrivilege	3196	TiWorker.exe
Token: SeSecurityPrivilege	3196	TiWorker.exe
Token: SeBackupPrivilege	3196	TiWorker.exe
Token: SeRestorePrivilege	3196	TiWorker.exe
Token: SeSecurityPrivilege	3196	TiWorker.exe
Token: SeBackupPrivilege	3196	TiWorker.exe
Token: SeRestorePrivilege	3196	TiWorker.exe
Token: SeSecurityPrivilege	3196	TiWorker.exe
Token: SeBackupPrivilege	3196	TiWorker.exe
Token: SeRestorePrivilege	3196	TiWorker.exe
Token: SeSecurityPrivilege	3196	TiWorker.exe
Token: SeBackupPrivilege	3196	TiWorker.exe
Token: SeRestorePrivilege	3196	TiWorker.exe
Token: SeSecurityPrivilege	3196	TiWorker.exe
Token: SeBackupPrivilege	3196	TiWorker.exe
Token: SeRestorePrivilege	3196	TiWorker.exe
Token: SeSecurityPrivilege	3196	TiWorker.exe
Token: SeBackupPrivilege	3196	TiWorker.exe
Token: SeRestorePrivilege	3196	TiWorker.exe
Token: SeSecurityPrivilege	3196	TiWorker.exe
Token: SeBackupPrivilege	3196	TiWorker.exe
Token: SeRestorePrivilege	3196	TiWorker.exe
Token: SeSecurityPrivilege	3196	TiWorker.exe
Token: SeBackupPrivilege	3196	TiWorker.exe
Token: SeRestorePrivilege	3196	TiWorker.exe
Token: SeSecurityPrivilege	3196	TiWorker.exe
Token: SeBackupPrivilege	3196	TiWorker.exe
Token: SeRestorePrivilege	3196	TiWorker.exe
Token: SeSecurityPrivilege	3196	TiWorker.exe
Token: SeBackupPrivilege	3196	TiWorker.exe
Token: SeRestorePrivilege	3196	TiWorker.exe
Token: SeSecurityPrivilege	3196	TiWorker.exe
Token: SeBackupPrivilege	3196	TiWorker.exe
Token: SeRestorePrivilege	3196	TiWorker.exe
Token: SeSecurityPrivilege	3196	TiWorker.exe
Token: SeBackupPrivilege	3196	TiWorker.exe
Token: SeRestorePrivilege	3196	TiWorker.exe
Token: SeSecurityPrivilege	3196	TiWorker.exe
Token: SeBackupPrivilege	3196	TiWorker.exe
Token: SeRestorePrivilege	3196	TiWorker.exe
Token: SeSecurityPrivilege	3196	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

08d3904bcae9fe43aaabb4b2e85ac0ead13d0b8361a77c51307cc7e4c365e681.execmd.exe

description	pid	process	target process
PID 1344 wrote to memory of 2860	1344	08d3904bcae9fe43aaabb4b2e85ac0ead13d0b8361a77c51307cc7e4c365e681.exe	MediaCenter.exe
PID 1344 wrote to memory of 2860	1344	08d3904bcae9fe43aaabb4b2e85ac0ead13d0b8361a77c51307cc7e4c365e681.exe	MediaCenter.exe
PID 1344 wrote to memory of 2860	1344	08d3904bcae9fe43aaabb4b2e85ac0ead13d0b8361a77c51307cc7e4c365e681.exe	MediaCenter.exe
PID 1344 wrote to memory of 3000	1344	08d3904bcae9fe43aaabb4b2e85ac0ead13d0b8361a77c51307cc7e4c365e681.exe	cmd.exe
PID 1344 wrote to memory of 3000	1344	08d3904bcae9fe43aaabb4b2e85ac0ead13d0b8361a77c51307cc7e4c365e681.exe	cmd.exe
PID 1344 wrote to memory of 3000	1344	08d3904bcae9fe43aaabb4b2e85ac0ead13d0b8361a77c51307cc7e4c365e681.exe	cmd.exe
PID 3000 wrote to memory of 2204	3000	cmd.exe	PING.EXE
PID 3000 wrote to memory of 2204	3000	cmd.exe	PING.EXE
PID 3000 wrote to memory of 2204	3000	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\08d3904bcae9fe43aaabb4b2e85ac0ead13d0b8361a77c51307cc7e4c365e681.exe
"C:\Users\Admin\AppData\Local\Temp\08d3904bcae9fe43aaabb4b2e85ac0ead13d0b8361a77c51307cc7e4c365e681.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1344

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2860

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\08d3904bcae9fe43aaabb4b2e85ac0ead13d0b8361a77c51307cc7e4c365e681.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3000

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2204

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:844

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:3784

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:3196

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
c8a44eb0aa35d53bfc99190921b9c9c1

SHA1
9c3b3ed4c1d848ea7252f1e52e3c7a50db2dcec2

SHA256
fee69013cb9fe60434494c77001ee5e1387535b4f17e46eded5aa07d30b3932e

SHA512
3492717c40a186e1820f57262ab393953b32eb12c3539d52c72f80c8cadc801a3a2175d841b0aaefa5cc8aee94e7f8c88595de7e0027f696874336d1d3cbd024

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
c8a44eb0aa35d53bfc99190921b9c9c1

SHA1
9c3b3ed4c1d848ea7252f1e52e3c7a50db2dcec2

SHA256
fee69013cb9fe60434494c77001ee5e1387535b4f17e46eded5aa07d30b3932e

SHA512
3492717c40a186e1820f57262ab393953b32eb12c3539d52c72f80c8cadc801a3a2175d841b0aaefa5cc8aee94e7f8c88595de7e0027f696874336d1d3cbd024

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads