sakula | 0f0951a135ad2beeed527dc2fe941a4076ea999adfe33843e73243c16dbd2e2b

General

Target

0f0951a135ad2beeed527dc2fe941a4076ea999adfe33843e73243c16dbd2e2b.exe
Size

79KB
MD5

89d77670ed3f33009431fcc65d23b64d
SHA1

59581de470ce92b52516fd324cbf7d44698e4c85
SHA256

0f0951a135ad2beeed527dc2fe941a4076ea999adfe33843e73243c16dbd2e2b
SHA512

a1ddb17d2e9e064fc3d9478875a5a988303cc585ba290d84281873e0901b82d8e1de88b1c0d68f7e458cbdfbc5b90ec45a5ab0a71cbce5ce402182f87de8ba69

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

3576 MediaCenter.exe

pid	process
3576	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:

0f0951a135ad2beeed527dc2fe941a4076ea999adfe33843e73243c16dbd2e2b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0f0951a135ad2beeed527dc2fe941a4076ea999adfe33843e73243c16dbd2e2b.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0f0951a135ad2beeed527dc2fe941a4076ea999adfe33843e73243c16dbd2e2b.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"	0f0951a135ad2beeed527dc2fe941a4076ea999adfe33843e73243c16dbd2e2b.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 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 49 IoCs

Processes:

svchost.exe

description	ioc	process
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\Config\KVFileExpirationTime = "132892984766602485"	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
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\Config\DownloadMode_BackCompat = "1"	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\DownlinkUsageBps = "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\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "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\UplinkBps = "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\NormalDownloadPendingCount = "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\DownloadMonthlyRateFrBps = "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\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\MemoryUsageKB = "4340"	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
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\DownloadMonthlyRateFrCnt = "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\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4072"	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\DownlinkBps = "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\MemoryUsageKB = "4332"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	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\SwarmCount = "1"	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\BkDownloadRatePct = "45"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.455378"	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\DownloadMonthlyCdnBytes = "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\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\UploadCount = "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\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1628 PING.EXE

pid	process
1628	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe0f0951a135ad2beeed527dc2fe941a4076ea999adfe33843e73243c16dbd2e2b.exe

description	pid	process
Token: SeSecurityPrivilege	1588	TiWorker.exe
Token: SeRestorePrivilege	1588	TiWorker.exe
Token: SeBackupPrivilege	1588	TiWorker.exe
Token: SeBackupPrivilege	1588	TiWorker.exe
Token: SeRestorePrivilege	1588	TiWorker.exe
Token: SeSecurityPrivilege	1588	TiWorker.exe
Token: SeBackupPrivilege	1588	TiWorker.exe
Token: SeRestorePrivilege	1588	TiWorker.exe
Token: SeSecurityPrivilege	1588	TiWorker.exe
Token: SeBackupPrivilege	1588	TiWorker.exe
Token: SeRestorePrivilege	1588	TiWorker.exe
Token: SeSecurityPrivilege	1588	TiWorker.exe
Token: SeBackupPrivilege	1588	TiWorker.exe
Token: SeRestorePrivilege	1588	TiWorker.exe
Token: SeSecurityPrivilege	1588	TiWorker.exe
Token: SeBackupPrivilege	1588	TiWorker.exe
Token: SeRestorePrivilege	1588	TiWorker.exe
Token: SeSecurityPrivilege	1588	TiWorker.exe
Token: SeBackupPrivilege	1588	TiWorker.exe
Token: SeRestorePrivilege	1588	TiWorker.exe
Token: SeSecurityPrivilege	1588	TiWorker.exe
Token: SeBackupPrivilege	1588	TiWorker.exe
Token: SeRestorePrivilege	1588	TiWorker.exe
Token: SeSecurityPrivilege	1588	TiWorker.exe
Token: SeBackupPrivilege	1588	TiWorker.exe
Token: SeRestorePrivilege	1588	TiWorker.exe
Token: SeSecurityPrivilege	1588	TiWorker.exe
Token: SeBackupPrivilege	1588	TiWorker.exe
Token: SeRestorePrivilege	1588	TiWorker.exe
Token: SeSecurityPrivilege	1588	TiWorker.exe
Token: SeBackupPrivilege	1588	TiWorker.exe
Token: SeRestorePrivilege	1588	TiWorker.exe
Token: SeSecurityPrivilege	1588	TiWorker.exe
Token: SeIncBasePriorityPrivilege	2676	0f0951a135ad2beeed527dc2fe941a4076ea999adfe33843e73243c16dbd2e2b.exe
Token: SeBackupPrivilege	1588	TiWorker.exe
Token: SeRestorePrivilege	1588	TiWorker.exe
Token: SeSecurityPrivilege	1588	TiWorker.exe
Token: SeBackupPrivilege	1588	TiWorker.exe
Token: SeRestorePrivilege	1588	TiWorker.exe
Token: SeSecurityPrivilege	1588	TiWorker.exe
Token: SeBackupPrivilege	1588	TiWorker.exe
Token: SeRestorePrivilege	1588	TiWorker.exe
Token: SeSecurityPrivilege	1588	TiWorker.exe
Token: SeBackupPrivilege	1588	TiWorker.exe
Token: SeRestorePrivilege	1588	TiWorker.exe
Token: SeSecurityPrivilege	1588	TiWorker.exe
Token: SeBackupPrivilege	1588	TiWorker.exe
Token: SeRestorePrivilege	1588	TiWorker.exe
Token: SeSecurityPrivilege	1588	TiWorker.exe
Token: SeBackupPrivilege	1588	TiWorker.exe
Token: SeRestorePrivilege	1588	TiWorker.exe
Token: SeSecurityPrivilege	1588	TiWorker.exe
Token: SeBackupPrivilege	1588	TiWorker.exe
Token: SeRestorePrivilege	1588	TiWorker.exe
Token: SeSecurityPrivilege	1588	TiWorker.exe
Token: SeBackupPrivilege	1588	TiWorker.exe
Token: SeRestorePrivilege	1588	TiWorker.exe
Token: SeSecurityPrivilege	1588	TiWorker.exe
Token: SeBackupPrivilege	1588	TiWorker.exe
Token: SeRestorePrivilege	1588	TiWorker.exe
Token: SeSecurityPrivilege	1588	TiWorker.exe
Token: SeBackupPrivilege	1588	TiWorker.exe
Token: SeRestorePrivilege	1588	TiWorker.exe
Token: SeSecurityPrivilege	1588	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0f0951a135ad2beeed527dc2fe941a4076ea999adfe33843e73243c16dbd2e2b.execmd.exe

description	pid	process	target process
PID 2676 wrote to memory of 3576	2676	0f0951a135ad2beeed527dc2fe941a4076ea999adfe33843e73243c16dbd2e2b.exe	MediaCenter.exe
PID 2676 wrote to memory of 3576	2676	0f0951a135ad2beeed527dc2fe941a4076ea999adfe33843e73243c16dbd2e2b.exe	MediaCenter.exe
PID 2676 wrote to memory of 3576	2676	0f0951a135ad2beeed527dc2fe941a4076ea999adfe33843e73243c16dbd2e2b.exe	MediaCenter.exe
PID 2676 wrote to memory of 432	2676	0f0951a135ad2beeed527dc2fe941a4076ea999adfe33843e73243c16dbd2e2b.exe	cmd.exe
PID 2676 wrote to memory of 432	2676	0f0951a135ad2beeed527dc2fe941a4076ea999adfe33843e73243c16dbd2e2b.exe	cmd.exe
PID 2676 wrote to memory of 432	2676	0f0951a135ad2beeed527dc2fe941a4076ea999adfe33843e73243c16dbd2e2b.exe	cmd.exe
PID 432 wrote to memory of 1628	432	cmd.exe	PING.EXE
PID 432 wrote to memory of 1628	432	cmd.exe	PING.EXE
PID 432 wrote to memory of 1628	432	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0f0951a135ad2beeed527dc2fe941a4076ea999adfe33843e73243c16dbd2e2b.exe
"C:\Users\Admin\AppData\Local\Temp\0f0951a135ad2beeed527dc2fe941a4076ea999adfe33843e73243c16dbd2e2b.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2676

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3576

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0f0951a135ad2beeed527dc2fe941a4076ea999adfe33843e73243c16dbd2e2b.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:432

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1628

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2788

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:3788

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:1588

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
e0afedac862785597bf8ae4dae7079d0

SHA1
1286cad7a231d2ca6d3ac4321e7b7a2a36f87986

SHA256
bca5e7db1dece8004f116f18d781e3fc652962f33cf0b1165bf3cba40f970619

SHA512
e868f3961b33f1e19507b2251d3f01f80861b2a05eedbdd878ba3a8f3e45fcbc869511d703cce7481b6f946a2351f6cf2393a4ce6359c9eb3c05dcc2ee5470eb

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

MD5
e0afedac862785597bf8ae4dae7079d0

SHA1
1286cad7a231d2ca6d3ac4321e7b7a2a36f87986

SHA256
bca5e7db1dece8004f116f18d781e3fc652962f33cf0b1165bf3cba40f970619

SHA512
e868f3961b33f1e19507b2251d3f01f80861b2a05eedbdd878ba3a8f3e45fcbc869511d703cce7481b6f946a2351f6cf2393a4ce6359c9eb3c05dcc2ee5470eb

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads