sakula | 15a90fc6e337163d21748dfe1d31f1483d293bbb2e907a9347e81631118efbd1

General

Target

15a90fc6e337163d21748dfe1d31f1483d293bbb2e907a9347e81631118efbd1.exe
Size

58KB
MD5

8029d667949d169e7349b9f5c08ec268
SHA1

b29d90b557fe1a9cbfd9ec510003be3aacc87e3e
SHA256

15a90fc6e337163d21748dfe1d31f1483d293bbb2e907a9347e81631118efbd1
SHA512

592d538cbe0e8c563905bc5e67aac2f547b09cc669239d753ee5cec82b7955d0c4640073cab12deaf70d15244220591f774c03599834111139aff14de37d0464

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3720 MediaCenter.exe

pid	process
3720	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:

15a90fc6e337163d21748dfe1d31f1483d293bbb2e907a9347e81631118efbd1.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	15a90fc6e337163d21748dfe1d31f1483d293bbb2e907a9347e81631118efbd1.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

15a90fc6e337163d21748dfe1d31f1483d293bbb2e907a9347e81631118efbd1.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"	15a90fc6e337163d21748dfe1d31f1483d293bbb2e907a9347e81631118efbd1.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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\UplinkUsageBps = "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\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892894596254552"	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\NormalDownloadCount = "0"	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\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\LinkLocalConnectionCount = "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\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\Usage\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4144"	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\DownloadMonthlyRateBkBps = "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\InternetConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.117924"	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\CDNConnectionCount = "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\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\SwarmCount = "1"	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\DownloadMonthlyLanBytes = "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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.418781"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\DownloadMonthlyCacheHostBytes = "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\DownlinkUsageBps = "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 = "4344"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4360"	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\Config\DODownloadMode = "1"	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\BkDownloadRatePct = "45"	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\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\CacheSizeBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

408 PING.EXE

pid	process
408	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe
Token: SeRestorePrivilege	3264	TiWorker.exe
Token: SeSecurityPrivilege	3264	TiWorker.exe
Token: SeBackupPrivilege	3264	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

15a90fc6e337163d21748dfe1d31f1483d293bbb2e907a9347e81631118efbd1.execmd.exe

description	pid	process	target process
PID 3728 wrote to memory of 3720	3728	15a90fc6e337163d21748dfe1d31f1483d293bbb2e907a9347e81631118efbd1.exe	MediaCenter.exe
PID 3728 wrote to memory of 3720	3728	15a90fc6e337163d21748dfe1d31f1483d293bbb2e907a9347e81631118efbd1.exe	MediaCenter.exe
PID 3728 wrote to memory of 3720	3728	15a90fc6e337163d21748dfe1d31f1483d293bbb2e907a9347e81631118efbd1.exe	MediaCenter.exe
PID 3728 wrote to memory of 1896	3728	15a90fc6e337163d21748dfe1d31f1483d293bbb2e907a9347e81631118efbd1.exe	cmd.exe
PID 3728 wrote to memory of 1896	3728	15a90fc6e337163d21748dfe1d31f1483d293bbb2e907a9347e81631118efbd1.exe	cmd.exe
PID 3728 wrote to memory of 1896	3728	15a90fc6e337163d21748dfe1d31f1483d293bbb2e907a9347e81631118efbd1.exe	cmd.exe
PID 1896 wrote to memory of 408	1896	cmd.exe	PING.EXE
PID 1896 wrote to memory of 408	1896	cmd.exe	PING.EXE
PID 1896 wrote to memory of 408	1896	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\15a90fc6e337163d21748dfe1d31f1483d293bbb2e907a9347e81631118efbd1.exe
"C:\Users\Admin\AppData\Local\Temp\15a90fc6e337163d21748dfe1d31f1483d293bbb2e907a9347e81631118efbd1.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3728

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3720

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\15a90fc6e337163d21748dfe1d31f1483d293bbb2e907a9347e81631118efbd1.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1896

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:408

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3712

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:1304

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:3264

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
4fbd12041629fa708eebeddea6cdf4d5

SHA1
e43ea6da3a0635a942e3d41e1d598639e01d5820

SHA256
902dacabd8da8451e293823a6f1ad4d5e0db8b0171094170df24ca457ceb5925

SHA512
3695357eeba5108e18744750c4f5f40c298b776a056e4c149b406b7aec571fb39064f91046f3ce5098f750f12dcb4b10d954305d89a37747ea583f8f67624a2b

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

MD5
4fbd12041629fa708eebeddea6cdf4d5

SHA1
e43ea6da3a0635a942e3d41e1d598639e01d5820

SHA256
902dacabd8da8451e293823a6f1ad4d5e0db8b0171094170df24ca457ceb5925

SHA512
3695357eeba5108e18744750c4f5f40c298b776a056e4c149b406b7aec571fb39064f91046f3ce5098f750f12dcb4b10d954305d89a37747ea583f8f67624a2b

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads