sakula | 195c836067710ddf28cf9ff372aca05eb34c117febd7d280a5489f151c59733c

General

Target

195c836067710ddf28cf9ff372aca05eb34c117febd7d280a5489f151c59733c.exe
Size

150KB
MD5

4e962d3974ac5f369b5cf1be5992fb93
SHA1

f6733357bed7876507cb03b5d8ef2f666f318455
SHA256

195c836067710ddf28cf9ff372aca05eb34c117febd7d280a5489f151c59733c
SHA512

b637cc56df08252f322b78cb1a66843d8ae28932760cdc58a7915966774c1a4566e1c960a7a65d6a2ba63b8f4e40c4972eed1d853378e0a63e80240bb06eb1f0

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

1688 MediaCenter.exe

pid	process
1688	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:

195c836067710ddf28cf9ff372aca05eb34c117febd7d280a5489f151c59733c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	195c836067710ddf28cf9ff372aca05eb34c117febd7d280a5489f151c59733c.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

195c836067710ddf28cf9ff372aca05eb34c117febd7d280a5489f151c59733c.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"	195c836067710ddf28cf9ff372aca05eb34c117febd7d280a5489f151c59733c.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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\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\SwarmCount = "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\Config\KVFileExpirationTime = "132892842578662906"	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\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.374040"	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\DownloadMonthlyInternetBytes = "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\CacheSizeBytes = "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\DownloadMonthlyCacheHostBytes = "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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4104"	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\Config\DODownloadMode = "1"	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\MonthlyUploadRestriction = "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\CDNConnectionCount = "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\Usage	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\UploadMonthlyLanBytes = "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\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	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\Config	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3976"	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\PeerInfoCount = "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\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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.000048"	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 (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\DownloadMonthlyCdnBytes = "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 = "4316"	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\DownloadMonthlyLanBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3980 PING.EXE

pid	process
3980	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe
Token: SeRestorePrivilege	3016	TiWorker.exe
Token: SeSecurityPrivilege	3016	TiWorker.exe
Token: SeBackupPrivilege	3016	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

195c836067710ddf28cf9ff372aca05eb34c117febd7d280a5489f151c59733c.execmd.exe

description	pid	process	target process
PID 640 wrote to memory of 1688	640	195c836067710ddf28cf9ff372aca05eb34c117febd7d280a5489f151c59733c.exe	MediaCenter.exe
PID 640 wrote to memory of 1688	640	195c836067710ddf28cf9ff372aca05eb34c117febd7d280a5489f151c59733c.exe	MediaCenter.exe
PID 640 wrote to memory of 1688	640	195c836067710ddf28cf9ff372aca05eb34c117febd7d280a5489f151c59733c.exe	MediaCenter.exe
PID 640 wrote to memory of 2816	640	195c836067710ddf28cf9ff372aca05eb34c117febd7d280a5489f151c59733c.exe	cmd.exe
PID 640 wrote to memory of 2816	640	195c836067710ddf28cf9ff372aca05eb34c117febd7d280a5489f151c59733c.exe	cmd.exe
PID 640 wrote to memory of 2816	640	195c836067710ddf28cf9ff372aca05eb34c117febd7d280a5489f151c59733c.exe	cmd.exe
PID 2816 wrote to memory of 3980	2816	cmd.exe	PING.EXE
PID 2816 wrote to memory of 3980	2816	cmd.exe	PING.EXE
PID 2816 wrote to memory of 3980	2816	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\195c836067710ddf28cf9ff372aca05eb34c117febd7d280a5489f151c59733c.exe
"C:\Users\Admin\AppData\Local\Temp\195c836067710ddf28cf9ff372aca05eb34c117febd7d280a5489f151c59733c.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:640

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1688

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\195c836067710ddf28cf9ff372aca05eb34c117febd7d280a5489f151c59733c.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2816

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3980

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 0
1⤵
- Checks processor information in registry
PID:2488

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:376

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:3016

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
d876906ab58912fac72dbfb58fc70f63

SHA1
f61a0370397edef9f281f50ceb7c09f670b8a1e8

SHA256
1a01a9feada9d79e48b8bfaa48e28766f404ff92bf4814f30d751a2499aad4df

SHA512
169562de58bc65a7afc6607877c51081cf2c3eb892efa579b9d8a41720c0b9adecf96c8befc4cd76ce9c546bc6f1addcd1b3594fcc92739bbac46cbfdf7b3be7

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

MD5
d876906ab58912fac72dbfb58fc70f63

SHA1
f61a0370397edef9f281f50ceb7c09f670b8a1e8

SHA256
1a01a9feada9d79e48b8bfaa48e28766f404ff92bf4814f30d751a2499aad4df

SHA512
169562de58bc65a7afc6607877c51081cf2c3eb892efa579b9d8a41720c0b9adecf96c8befc4cd76ce9c546bc6f1addcd1b3594fcc92739bbac46cbfdf7b3be7

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads