sakula | 15f5b4981c650d8c17ef0aaac56c38dea77febf5d5d2a230ef9bb338c7425b5f

General

Target

15f5b4981c650d8c17ef0aaac56c38dea77febf5d5d2a230ef9bb338c7425b5f.exe
Size

191KB
MD5

d777d183add2435bab8f2679bfb4f6e4
SHA1

62a4dd123853b915b88773b3842e5916890b1f6d
SHA256

15f5b4981c650d8c17ef0aaac56c38dea77febf5d5d2a230ef9bb338c7425b5f
SHA512

0c4dafcd4b3e95eda7df913f63af3cd5c836b14900a02b333790200c7dd88be22cd3972cdc429854296cfa76a1a2551c93072fcbbbeb052f881496516ca49efb

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

4088 MediaCenter.exe

pid	process
4088	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:

15f5b4981c650d8c17ef0aaac56c38dea77febf5d5d2a230ef9bb338c7425b5f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	15f5b4981c650d8c17ef0aaac56c38dea77febf5d5d2a230ef9bb338c7425b5f.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

15f5b4981c650d8c17ef0aaac56c38dea77febf5d5d2a230ef9bb338c7425b5f.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"	15f5b4981c650d8c17ef0aaac56c38dea77febf5d5d2a230ef9bb338c7425b5f.exe

Drops file in Windows directory 8 IoCs

Processes:

svchost.exeTiWorker.exe

description	ioc	process
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
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

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

3088 PING.EXE

pid	process
3088	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

svchost.exeTiWorker.exe15f5b4981c650d8c17ef0aaac56c38dea77febf5d5d2a230ef9bb338c7425b5f.exe

description	pid	process
Token: SeShutdownPrivilege	1332	svchost.exe
Token: SeCreatePagefilePrivilege	1332	svchost.exe
Token: SeShutdownPrivilege	1332	svchost.exe
Token: SeCreatePagefilePrivilege	1332	svchost.exe
Token: SeShutdownPrivilege	1332	svchost.exe
Token: SeCreatePagefilePrivilege	1332	svchost.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeIncBasePriorityPrivilege	4132	15f5b4981c650d8c17ef0aaac56c38dea77febf5d5d2a230ef9bb338c7425b5f.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe
Token: SeBackupPrivilege	2628	TiWorker.exe
Token: SeRestorePrivilege	2628	TiWorker.exe
Token: SeSecurityPrivilege	2628	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

15f5b4981c650d8c17ef0aaac56c38dea77febf5d5d2a230ef9bb338c7425b5f.execmd.exe

description	pid	process	target process
PID 4132 wrote to memory of 4088	4132	15f5b4981c650d8c17ef0aaac56c38dea77febf5d5d2a230ef9bb338c7425b5f.exe	MediaCenter.exe
PID 4132 wrote to memory of 4088	4132	15f5b4981c650d8c17ef0aaac56c38dea77febf5d5d2a230ef9bb338c7425b5f.exe	MediaCenter.exe
PID 4132 wrote to memory of 4088	4132	15f5b4981c650d8c17ef0aaac56c38dea77febf5d5d2a230ef9bb338c7425b5f.exe	MediaCenter.exe
PID 4132 wrote to memory of 2192	4132	15f5b4981c650d8c17ef0aaac56c38dea77febf5d5d2a230ef9bb338c7425b5f.exe	cmd.exe
PID 4132 wrote to memory of 2192	4132	15f5b4981c650d8c17ef0aaac56c38dea77febf5d5d2a230ef9bb338c7425b5f.exe	cmd.exe
PID 4132 wrote to memory of 2192	4132	15f5b4981c650d8c17ef0aaac56c38dea77febf5d5d2a230ef9bb338c7425b5f.exe	cmd.exe
PID 2192 wrote to memory of 3088	2192	cmd.exe	PING.EXE
PID 2192 wrote to memory of 3088	2192	cmd.exe	PING.EXE
PID 2192 wrote to memory of 3088	2192	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\15f5b4981c650d8c17ef0aaac56c38dea77febf5d5d2a230ef9bb338c7425b5f.exe
"C:\Users\Admin\AppData\Local\Temp\15f5b4981c650d8c17ef0aaac56c38dea77febf5d5d2a230ef9bb338c7425b5f.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4132

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:4088

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\15f5b4981c650d8c17ef0aaac56c38dea77febf5d5d2a230ef9bb338c7425b5f.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2192

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3088

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:1332

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:2628

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
b0530f1c5b4cb779a94ce03a5778a1db

SHA1
56fa060810a3e6a32952ddfe7bc8aaaa93966394

SHA256
006aef1cf5dd875421be94dcf9cdb8690492a9c6cb29159ce6e1f138bdf60ea1

SHA512
e6d17c37f4830724fd81b20c4392652f8aab35451782d1f1517007a9f35f5109458e3861228a45a76e361c046e4cdbf0c26c660420c09888baf8732fd1dbd130

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

MD5
b0530f1c5b4cb779a94ce03a5778a1db

SHA1
56fa060810a3e6a32952ddfe7bc8aaaa93966394

SHA256
006aef1cf5dd875421be94dcf9cdb8690492a9c6cb29159ce6e1f138bdf60ea1

SHA512
e6d17c37f4830724fd81b20c4392652f8aab35451782d1f1517007a9f35f5109458e3861228a45a76e361c046e4cdbf0c26c660420c09888baf8732fd1dbd130

Download Submit
memory/1332-132-0x000001FD38930000-0x000001FD38940000-memory.dmp

Filesize
64KB

Download
memory/1332-133-0x000001FD389A0000-0x000001FD389B0000-memory.dmp

Filesize
64KB

Download
memory/1332-134-0x000001FD3B6B0000-0x000001FD3B6B4000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads