sakula | 15bce956030414b776565704549716c5b30231f0affc596c8ebc45d8258ca1e3

General

Target

15bce956030414b776565704549716c5b30231f0affc596c8ebc45d8258ca1e3.exe
Size

192KB
MD5

42d51e5ce2d028a1401a018458b00d5b
SHA1

4fd7b832ab9c3273b111e84aca54737c1b94674d
SHA256

15bce956030414b776565704549716c5b30231f0affc596c8ebc45d8258ca1e3
SHA512

c8a0204d28599cb1f75871631c3348d3f2534d1db425cd4ff985cbe28426989bf9f578ab2559f7f2c67791f3656f9a604b81afbec1f08cda542615152e784684

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

1792 MediaCenter.exe

pid	process
1792	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:

15bce956030414b776565704549716c5b30231f0affc596c8ebc45d8258ca1e3.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	15bce956030414b776565704549716c5b30231f0affc596c8ebc45d8258ca1e3.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

15bce956030414b776565704549716c5b30231f0affc596c8ebc45d8258ca1e3.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"	15bce956030414b776565704549716c5b30231f0affc596c8ebc45d8258ca1e3.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\Logs\CBS\CBS.log	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\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
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\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3944"	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\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.163934"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4176"	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\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 (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\PriorityDownloadPendingCount = "0"	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\DownloadMonthlyInternetBytes = "0"	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\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4168"	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\Config	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\PeerInfoCount = "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\InternetConnectionCount = "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\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\DownloadMonthlyRateFrCnt = "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\DownlinkUsageBps = "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\UploadRatePct = "100"	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\MonthlyUploadRestriction = "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\Usage\UploadMonthlyLanBytes = "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\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892893796170838"	svchost.exe
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 = "0.033179"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4336"	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\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\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3952 PING.EXE

pid	process
3952	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe15bce956030414b776565704549716c5b30231f0affc596c8ebc45d8258ca1e3.exe

description	pid	process
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeIncBasePriorityPrivilege	2372	15bce956030414b776565704549716c5b30231f0affc596c8ebc45d8258ca1e3.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe
Token: SeBackupPrivilege	3064	TiWorker.exe
Token: SeRestorePrivilege	3064	TiWorker.exe
Token: SeSecurityPrivilege	3064	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

15bce956030414b776565704549716c5b30231f0affc596c8ebc45d8258ca1e3.execmd.exe

description	pid	process	target process
PID 2372 wrote to memory of 1792	2372	15bce956030414b776565704549716c5b30231f0affc596c8ebc45d8258ca1e3.exe	MediaCenter.exe
PID 2372 wrote to memory of 1792	2372	15bce956030414b776565704549716c5b30231f0affc596c8ebc45d8258ca1e3.exe	MediaCenter.exe
PID 2372 wrote to memory of 1792	2372	15bce956030414b776565704549716c5b30231f0affc596c8ebc45d8258ca1e3.exe	MediaCenter.exe
PID 2372 wrote to memory of 3304	2372	15bce956030414b776565704549716c5b30231f0affc596c8ebc45d8258ca1e3.exe	cmd.exe
PID 2372 wrote to memory of 3304	2372	15bce956030414b776565704549716c5b30231f0affc596c8ebc45d8258ca1e3.exe	cmd.exe
PID 2372 wrote to memory of 3304	2372	15bce956030414b776565704549716c5b30231f0affc596c8ebc45d8258ca1e3.exe	cmd.exe
PID 3304 wrote to memory of 3952	3304	cmd.exe	PING.EXE
PID 3304 wrote to memory of 3952	3304	cmd.exe	PING.EXE
PID 3304 wrote to memory of 3952	3304	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\15bce956030414b776565704549716c5b30231f0affc596c8ebc45d8258ca1e3.exe
"C:\Users\Admin\AppData\Local\Temp\15bce956030414b776565704549716c5b30231f0affc596c8ebc45d8258ca1e3.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2372

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1792

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\15bce956030414b776565704549716c5b30231f0affc596c8ebc45d8258ca1e3.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3304

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3952

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3240

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:1860

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:3064

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
43810512de90b198a52998137b6be044

SHA1
74dfefd92328516e8d3cb1af56470d504f9533b0

SHA256
8b74973ad65399dcd7399278ae8775bab728cba3279c1d478817782cdb36ceaa

SHA512
17bd02ce66b6d053d27455475f4755eef516a023da46f07e1f7184905f913584207ccb4a46cc7cae2eb79849fe48a3c68eb56333d160f8817f2a31f0b0963d17

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

MD5
43810512de90b198a52998137b6be044

SHA1
74dfefd92328516e8d3cb1af56470d504f9533b0

SHA256
8b74973ad65399dcd7399278ae8775bab728cba3279c1d478817782cdb36ceaa

SHA512
17bd02ce66b6d053d27455475f4755eef516a023da46f07e1f7184905f913584207ccb4a46cc7cae2eb79849fe48a3c68eb56333d160f8817f2a31f0b0963d17

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads