sakula | 15401b01b2828ec22a5ba1c7369b9a8011f712c3381a41f89a5091c0457f09bd

General

Target

15401b01b2828ec22a5ba1c7369b9a8011f712c3381a41f89a5091c0457f09bd.exe
Size

192KB
MD5

15a746274347c9206bb65e06b48752fc
SHA1

d07627739b7b472d525cb0fc39380268d0e5fedc
SHA256

15401b01b2828ec22a5ba1c7369b9a8011f712c3381a41f89a5091c0457f09bd
SHA512

9b7b39f862fe1fad925dcca6b849d86ea1a879db1a5e09d8ce5f74e3d375f160c1989d2ae90e45168ecee33ccb9a55179a19bdac705893292bc32ff04481ae03

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

4172 MediaCenter.exe

pid	process
4172	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:

15401b01b2828ec22a5ba1c7369b9a8011f712c3381a41f89a5091c0457f09bd.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	15401b01b2828ec22a5ba1c7369b9a8011f712c3381a41f89a5091c0457f09bd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

15401b01b2828ec22a5ba1c7369b9a8011f712c3381a41f89a5091c0457f09bd.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"	15401b01b2828ec22a5ba1c7369b9a8011f712c3381a41f89a5091c0457f09bd.exe

Drops file in Windows directory 8 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\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	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
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3844 PING.EXE

pid	process
3844	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

svchost.exeTiWorker.exe

description	pid	process
Token: SeShutdownPrivilege	4548	svchost.exe
Token: SeCreatePagefilePrivilege	4548	svchost.exe
Token: SeShutdownPrivilege	4548	svchost.exe
Token: SeCreatePagefilePrivilege	4548	svchost.exe
Token: SeShutdownPrivilege	4548	svchost.exe
Token: SeCreatePagefilePrivilege	4548	svchost.exe
Token: SeSecurityPrivilege	4536	TiWorker.exe
Token: SeRestorePrivilege	4536	TiWorker.exe
Token: SeBackupPrivilege	4536	TiWorker.exe
Token: SeBackupPrivilege	4536	TiWorker.exe
Token: SeRestorePrivilege	4536	TiWorker.exe
Token: SeSecurityPrivilege	4536	TiWorker.exe
Token: SeBackupPrivilege	4536	TiWorker.exe
Token: SeRestorePrivilege	4536	TiWorker.exe
Token: SeSecurityPrivilege	4536	TiWorker.exe
Token: SeBackupPrivilege	4536	TiWorker.exe
Token: SeRestorePrivilege	4536	TiWorker.exe
Token: SeSecurityPrivilege	4536	TiWorker.exe
Token: SeBackupPrivilege	4536	TiWorker.exe
Token: SeRestorePrivilege	4536	TiWorker.exe
Token: SeSecurityPrivilege	4536	TiWorker.exe
Token: SeBackupPrivilege	4536	TiWorker.exe
Token: SeRestorePrivilege	4536	TiWorker.exe
Token: SeSecurityPrivilege	4536	TiWorker.exe
Token: SeBackupPrivilege	4536	TiWorker.exe
Token: SeRestorePrivilege	4536	TiWorker.exe
Token: SeSecurityPrivilege	4536	TiWorker.exe
Token: SeBackupPrivilege	4536	TiWorker.exe
Token: SeRestorePrivilege	4536	TiWorker.exe
Token: SeSecurityPrivilege	4536	TiWorker.exe
Token: SeBackupPrivilege	4536	TiWorker.exe
Token: SeRestorePrivilege	4536	TiWorker.exe
Token: SeSecurityPrivilege	4536	TiWorker.exe
Token: SeBackupPrivilege	4536	TiWorker.exe
Token: SeRestorePrivilege	4536	TiWorker.exe
Token: SeSecurityPrivilege	4536	TiWorker.exe
Token: SeBackupPrivilege	4536	TiWorker.exe
Token: SeRestorePrivilege	4536	TiWorker.exe
Token: SeSecurityPrivilege	4536	TiWorker.exe
Token: SeBackupPrivilege	4536	TiWorker.exe
Token: SeRestorePrivilege	4536	TiWorker.exe
Token: SeSecurityPrivilege	4536	TiWorker.exe
Token: SeBackupPrivilege	4536	TiWorker.exe
Token: SeRestorePrivilege	4536	TiWorker.exe
Token: SeSecurityPrivilege	4536	TiWorker.exe
Token: SeBackupPrivilege	4536	TiWorker.exe
Token: SeRestorePrivilege	4536	TiWorker.exe
Token: SeSecurityPrivilege	4536	TiWorker.exe
Token: SeBackupPrivilege	4536	TiWorker.exe
Token: SeRestorePrivilege	4536	TiWorker.exe
Token: SeSecurityPrivilege	4536	TiWorker.exe
Token: SeBackupPrivilege	4536	TiWorker.exe
Token: SeRestorePrivilege	4536	TiWorker.exe
Token: SeSecurityPrivilege	4536	TiWorker.exe
Token: SeBackupPrivilege	4536	TiWorker.exe
Token: SeRestorePrivilege	4536	TiWorker.exe
Token: SeSecurityPrivilege	4536	TiWorker.exe
Token: SeBackupPrivilege	4536	TiWorker.exe
Token: SeRestorePrivilege	4536	TiWorker.exe
Token: SeSecurityPrivilege	4536	TiWorker.exe
Token: SeBackupPrivilege	4536	TiWorker.exe
Token: SeRestorePrivilege	4536	TiWorker.exe
Token: SeSecurityPrivilege	4536	TiWorker.exe
Token: SeBackupPrivilege	4536	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

15401b01b2828ec22a5ba1c7369b9a8011f712c3381a41f89a5091c0457f09bd.execmd.exe

description	pid	process	target process
PID 3680 wrote to memory of 4172	3680	15401b01b2828ec22a5ba1c7369b9a8011f712c3381a41f89a5091c0457f09bd.exe	MediaCenter.exe
PID 3680 wrote to memory of 4172	3680	15401b01b2828ec22a5ba1c7369b9a8011f712c3381a41f89a5091c0457f09bd.exe	MediaCenter.exe
PID 3680 wrote to memory of 4172	3680	15401b01b2828ec22a5ba1c7369b9a8011f712c3381a41f89a5091c0457f09bd.exe	MediaCenter.exe
PID 3680 wrote to memory of 2296	3680	15401b01b2828ec22a5ba1c7369b9a8011f712c3381a41f89a5091c0457f09bd.exe	cmd.exe
PID 3680 wrote to memory of 2296	3680	15401b01b2828ec22a5ba1c7369b9a8011f712c3381a41f89a5091c0457f09bd.exe	cmd.exe
PID 3680 wrote to memory of 2296	3680	15401b01b2828ec22a5ba1c7369b9a8011f712c3381a41f89a5091c0457f09bd.exe	cmd.exe
PID 2296 wrote to memory of 3844	2296	cmd.exe	PING.EXE
PID 2296 wrote to memory of 3844	2296	cmd.exe	PING.EXE
PID 2296 wrote to memory of 3844	2296	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\15401b01b2828ec22a5ba1c7369b9a8011f712c3381a41f89a5091c0457f09bd.exe
"C:\Users\Admin\AppData\Local\Temp\15401b01b2828ec22a5ba1c7369b9a8011f712c3381a41f89a5091c0457f09bd.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3680

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:4172

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\15401b01b2828ec22a5ba1c7369b9a8011f712c3381a41f89a5091c0457f09bd.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2296

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3844

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4548

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:4536

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

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

MD5
66df33891b6f175bccb7288f3cbaea8b

SHA1
075bed7ed4f57e4e10dbb3a30d9538a231a7b708

SHA256
6d33c8e36086653c39e719f1f3c7c41fbaf24d6883bb0e982394b3efeff9ccbd

SHA512
4280953f55b260c6fcdfa77de2fbde6be8763d5caf6afb065318381054120ee4eaec946880bd502d79a49f91eb81e9ba210ffe98fe0bff7cb89ef7bb4a81d91a

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

MD5
66df33891b6f175bccb7288f3cbaea8b

SHA1
075bed7ed4f57e4e10dbb3a30d9538a231a7b708

SHA256
6d33c8e36086653c39e719f1f3c7c41fbaf24d6883bb0e982394b3efeff9ccbd

SHA512
4280953f55b260c6fcdfa77de2fbde6be8763d5caf6afb065318381054120ee4eaec946880bd502d79a49f91eb81e9ba210ffe98fe0bff7cb89ef7bb4a81d91a

Download Submit
memory/4548-132-0x0000020E45F60000-0x0000020E45F70000-memory.dmp

Filesize
64KB

Download
memory/4548-133-0x0000020E46520000-0x0000020E46530000-memory.dmp

Filesize
64KB

Download
memory/4548-134-0x0000020E48BD0000-0x0000020E48BD4000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads