sakula | 01ec9fd8625be6f43ef086441d1e08ba6fd0ddf093383e4488287bc8c1cad2c2

General

Target

01ec9fd8625be6f43ef086441d1e08ba6fd0ddf093383e4488287bc8c1cad2c2.exe
Size

80KB
MD5

c81e526c5c1fda71c660d65519ab2732
SHA1

a79a683ac5df1b0a43bf5b41a31b78a6de9e27ae
SHA256

01ec9fd8625be6f43ef086441d1e08ba6fd0ddf093383e4488287bc8c1cad2c2
SHA512

b80f220beaaec6061223026d3ba3a68932fcd2aaf1d3d65710c5d9130e63b7e1ea6bed65339ff7a925d210e529698bb1e7aecf4a105369e40c33cedb2285fad6

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

452 MediaCenter.exe

pid	process
452	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:

01ec9fd8625be6f43ef086441d1e08ba6fd0ddf093383e4488287bc8c1cad2c2.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	01ec9fd8625be6f43ef086441d1e08ba6fd0ddf093383e4488287bc8c1cad2c2.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

01ec9fd8625be6f43ef086441d1e08ba6fd0ddf093383e4488287bc8c1cad2c2.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"	01ec9fd8625be6f43ef086441d1e08ba6fd0ddf093383e4488287bc8c1cad2c2.exe

Drops file in Windows directory 2 IoCs

Processes:

TiWorker.exe

description	ioc	process
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 46 IoCs

Processes:

svchost.exe

description	ioc	process
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\DownloadMonthlyRateBkBps = "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
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\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\SwarmCount = "1"	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 = "0.000000"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3700"	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\GroupConnectionCount = "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\DownloadMonthlyLanBytes = "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 = "3676"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3688"	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\LinkLocalConnectionCount = "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\DownlinkBps = "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\MonthlyUploadRestriction = "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\NormalDownloadCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.153492"	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\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\CacheSizeBytes = "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\PriorityDownloadCount = "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\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\MonthID = "2"	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\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "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\SwarmCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

372 PING.EXE

pid	process
372	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

01ec9fd8625be6f43ef086441d1e08ba6fd0ddf093383e4488287bc8c1cad2c2.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3996	01ec9fd8625be6f43ef086441d1e08ba6fd0ddf093383e4488287bc8c1cad2c2.exe
Token: SeSecurityPrivilege	1776	TiWorker.exe
Token: SeRestorePrivilege	1776	TiWorker.exe
Token: SeBackupPrivilege	1776	TiWorker.exe
Token: SeBackupPrivilege	1776	TiWorker.exe
Token: SeRestorePrivilege	1776	TiWorker.exe
Token: SeSecurityPrivilege	1776	TiWorker.exe
Token: SeBackupPrivilege	1776	TiWorker.exe
Token: SeRestorePrivilege	1776	TiWorker.exe
Token: SeSecurityPrivilege	1776	TiWorker.exe
Token: SeBackupPrivilege	1776	TiWorker.exe
Token: SeRestorePrivilege	1776	TiWorker.exe
Token: SeSecurityPrivilege	1776	TiWorker.exe
Token: SeBackupPrivilege	1776	TiWorker.exe
Token: SeRestorePrivilege	1776	TiWorker.exe
Token: SeSecurityPrivilege	1776	TiWorker.exe
Token: SeBackupPrivilege	1776	TiWorker.exe
Token: SeRestorePrivilege	1776	TiWorker.exe
Token: SeSecurityPrivilege	1776	TiWorker.exe
Token: SeBackupPrivilege	1776	TiWorker.exe
Token: SeRestorePrivilege	1776	TiWorker.exe
Token: SeSecurityPrivilege	1776	TiWorker.exe
Token: SeBackupPrivilege	1776	TiWorker.exe
Token: SeRestorePrivilege	1776	TiWorker.exe
Token: SeSecurityPrivilege	1776	TiWorker.exe
Token: SeBackupPrivilege	1776	TiWorker.exe
Token: SeRestorePrivilege	1776	TiWorker.exe
Token: SeSecurityPrivilege	1776	TiWorker.exe
Token: SeBackupPrivilege	1776	TiWorker.exe
Token: SeRestorePrivilege	1776	TiWorker.exe
Token: SeSecurityPrivilege	1776	TiWorker.exe
Token: SeBackupPrivilege	1776	TiWorker.exe
Token: SeRestorePrivilege	1776	TiWorker.exe
Token: SeSecurityPrivilege	1776	TiWorker.exe
Token: SeBackupPrivilege	1776	TiWorker.exe
Token: SeRestorePrivilege	1776	TiWorker.exe
Token: SeSecurityPrivilege	1776	TiWorker.exe
Token: SeBackupPrivilege	1776	TiWorker.exe
Token: SeRestorePrivilege	1776	TiWorker.exe
Token: SeSecurityPrivilege	1776	TiWorker.exe
Token: SeBackupPrivilege	1776	TiWorker.exe
Token: SeRestorePrivilege	1776	TiWorker.exe
Token: SeSecurityPrivilege	1776	TiWorker.exe
Token: SeBackupPrivilege	1776	TiWorker.exe
Token: SeRestorePrivilege	1776	TiWorker.exe
Token: SeSecurityPrivilege	1776	TiWorker.exe
Token: SeBackupPrivilege	1776	TiWorker.exe
Token: SeRestorePrivilege	1776	TiWorker.exe
Token: SeSecurityPrivilege	1776	TiWorker.exe
Token: SeBackupPrivilege	1776	TiWorker.exe
Token: SeRestorePrivilege	1776	TiWorker.exe
Token: SeSecurityPrivilege	1776	TiWorker.exe
Token: SeBackupPrivilege	1776	TiWorker.exe
Token: SeRestorePrivilege	1776	TiWorker.exe
Token: SeSecurityPrivilege	1776	TiWorker.exe
Token: SeBackupPrivilege	1776	TiWorker.exe
Token: SeRestorePrivilege	1776	TiWorker.exe
Token: SeSecurityPrivilege	1776	TiWorker.exe
Token: SeBackupPrivilege	1776	TiWorker.exe
Token: SeRestorePrivilege	1776	TiWorker.exe
Token: SeSecurityPrivilege	1776	TiWorker.exe
Token: SeBackupPrivilege	1776	TiWorker.exe
Token: SeRestorePrivilege	1776	TiWorker.exe
Token: SeSecurityPrivilege	1776	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

01ec9fd8625be6f43ef086441d1e08ba6fd0ddf093383e4488287bc8c1cad2c2.execmd.exe

description	pid	process	target process
PID 3996 wrote to memory of 452	3996	01ec9fd8625be6f43ef086441d1e08ba6fd0ddf093383e4488287bc8c1cad2c2.exe	MediaCenter.exe
PID 3996 wrote to memory of 452	3996	01ec9fd8625be6f43ef086441d1e08ba6fd0ddf093383e4488287bc8c1cad2c2.exe	MediaCenter.exe
PID 3996 wrote to memory of 452	3996	01ec9fd8625be6f43ef086441d1e08ba6fd0ddf093383e4488287bc8c1cad2c2.exe	MediaCenter.exe
PID 3996 wrote to memory of 3068	3996	01ec9fd8625be6f43ef086441d1e08ba6fd0ddf093383e4488287bc8c1cad2c2.exe	cmd.exe
PID 3996 wrote to memory of 3068	3996	01ec9fd8625be6f43ef086441d1e08ba6fd0ddf093383e4488287bc8c1cad2c2.exe	cmd.exe
PID 3996 wrote to memory of 3068	3996	01ec9fd8625be6f43ef086441d1e08ba6fd0ddf093383e4488287bc8c1cad2c2.exe	cmd.exe
PID 3068 wrote to memory of 372	3068	cmd.exe	PING.EXE
PID 3068 wrote to memory of 372	3068	cmd.exe	PING.EXE
PID 3068 wrote to memory of 372	3068	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\01ec9fd8625be6f43ef086441d1e08ba6fd0ddf093383e4488287bc8c1cad2c2.exe
"C:\Users\Admin\AppData\Local\Temp\01ec9fd8625be6f43ef086441d1e08ba6fd0ddf093383e4488287bc8c1cad2c2.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3996

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:452

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\01ec9fd8625be6f43ef086441d1e08ba6fd0ddf093383e4488287bc8c1cad2c2.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3068

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:372

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2064

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:3396

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:1776

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
7813af9ba60d6051ec81411e4e9d7147

SHA1
32b5c2a12f160a083a916e4d9debfb6d30b07296

SHA256
4d5b2026c2f98ac4459ad744d35fda80c0d8405835995f3b99b678419b869195

SHA512
8e73b7da1ed5dc60decee8f5138995b3955179cd2768bb9bd7579fa2ff2272f86c4c9f0995424a23f206f95085efd1fbeb9d9100cc200ef70474f6864719e750

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
7813af9ba60d6051ec81411e4e9d7147

SHA1
32b5c2a12f160a083a916e4d9debfb6d30b07296

SHA256
4d5b2026c2f98ac4459ad744d35fda80c0d8405835995f3b99b678419b869195

SHA512
8e73b7da1ed5dc60decee8f5138995b3955179cd2768bb9bd7579fa2ff2272f86c4c9f0995424a23f206f95085efd1fbeb9d9100cc200ef70474f6864719e750

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads