sakula | 15a4b6c379bcd3c896d474fbc2760e23f96c3a23ad93a3e9ba4aea01758f8ac9

General

Target

15a4b6c379bcd3c896d474fbc2760e23f96c3a23ad93a3e9ba4aea01758f8ac9.exe
Size

104KB
MD5

81d356647a59f9c07470b19d926f275a
SHA1

01713cf6de30480c037f8be0279545f99900c367
SHA256

15a4b6c379bcd3c896d474fbc2760e23f96c3a23ad93a3e9ba4aea01758f8ac9
SHA512

933714a5212d70dc59c3a8013d7564fafeb4507cc5fc2fb51216f079b9ec04e1aebf580549eff0e6d5171f1e3b80480c5e260344a13c22d4c75265c879004f78

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

1316 MediaCenter.exe

pid	process
1316	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:

15a4b6c379bcd3c896d474fbc2760e23f96c3a23ad93a3e9ba4aea01758f8ac9.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	15a4b6c379bcd3c896d474fbc2760e23f96c3a23ad93a3e9ba4aea01758f8ac9.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

15a4b6c379bcd3c896d474fbc2760e23f96c3a23ad93a3e9ba4aea01758f8ac9.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"	15a4b6c379bcd3c896d474fbc2760e23f96c3a23ad93a3e9ba4aea01758f8ac9.exe

Drops file in Windows directory 8 IoCs

Processes:

svchost.exeTiWorker.exe

description	ioc	process
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
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

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

3244 PING.EXE

pid	process
3244	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

svchost.exeTiWorker.exe15a4b6c379bcd3c896d474fbc2760e23f96c3a23ad93a3e9ba4aea01758f8ac9.exe

description	pid	process
Token: SeShutdownPrivilege	4780	svchost.exe
Token: SeCreatePagefilePrivilege	4780	svchost.exe
Token: SeShutdownPrivilege	4780	svchost.exe
Token: SeCreatePagefilePrivilege	4780	svchost.exe
Token: SeShutdownPrivilege	4780	svchost.exe
Token: SeCreatePagefilePrivilege	4780	svchost.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeIncBasePriorityPrivilege	2556	15a4b6c379bcd3c896d474fbc2760e23f96c3a23ad93a3e9ba4aea01758f8ac9.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe
Token: SeBackupPrivilege	3636	TiWorker.exe
Token: SeRestorePrivilege	3636	TiWorker.exe
Token: SeSecurityPrivilege	3636	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

15a4b6c379bcd3c896d474fbc2760e23f96c3a23ad93a3e9ba4aea01758f8ac9.execmd.exe

description	pid	process	target process
PID 2556 wrote to memory of 1316	2556	15a4b6c379bcd3c896d474fbc2760e23f96c3a23ad93a3e9ba4aea01758f8ac9.exe	MediaCenter.exe
PID 2556 wrote to memory of 1316	2556	15a4b6c379bcd3c896d474fbc2760e23f96c3a23ad93a3e9ba4aea01758f8ac9.exe	MediaCenter.exe
PID 2556 wrote to memory of 1316	2556	15a4b6c379bcd3c896d474fbc2760e23f96c3a23ad93a3e9ba4aea01758f8ac9.exe	MediaCenter.exe
PID 2556 wrote to memory of 564	2556	15a4b6c379bcd3c896d474fbc2760e23f96c3a23ad93a3e9ba4aea01758f8ac9.exe	cmd.exe
PID 2556 wrote to memory of 564	2556	15a4b6c379bcd3c896d474fbc2760e23f96c3a23ad93a3e9ba4aea01758f8ac9.exe	cmd.exe
PID 2556 wrote to memory of 564	2556	15a4b6c379bcd3c896d474fbc2760e23f96c3a23ad93a3e9ba4aea01758f8ac9.exe	cmd.exe
PID 564 wrote to memory of 3244	564	cmd.exe	PING.EXE
PID 564 wrote to memory of 3244	564	cmd.exe	PING.EXE
PID 564 wrote to memory of 3244	564	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\15a4b6c379bcd3c896d474fbc2760e23f96c3a23ad93a3e9ba4aea01758f8ac9.exe
"C:\Users\Admin\AppData\Local\Temp\15a4b6c379bcd3c896d474fbc2760e23f96c3a23ad93a3e9ba4aea01758f8ac9.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2556

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1316

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\15a4b6c379bcd3c896d474fbc2760e23f96c3a23ad93a3e9ba4aea01758f8ac9.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:564

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3244

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:4780

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:3636

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
a82ed5562a2fa0e483505fda8bd925d5

SHA1
75854e4fb7279e69755682ca1dac3674d4c108c1

SHA256
a993bd2e56f77b8d42229936c8381e2efbd436665e87c64813b1fc1799f26720

SHA512
b0ad5371cbfe2c2a8f3fdb7fa1e7c5d0f3789cd217e1249c5a88922f299e7ab81775157e87817bc59f9b3bf368cc0ce8dbba1f4837cd43724b6a6191a940db77

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

MD5
a82ed5562a2fa0e483505fda8bd925d5

SHA1
75854e4fb7279e69755682ca1dac3674d4c108c1

SHA256
a993bd2e56f77b8d42229936c8381e2efbd436665e87c64813b1fc1799f26720

SHA512
b0ad5371cbfe2c2a8f3fdb7fa1e7c5d0f3789cd217e1249c5a88922f299e7ab81775157e87817bc59f9b3bf368cc0ce8dbba1f4837cd43724b6a6191a940db77

Download Submit
memory/4780-135-0x000001217C560000-0x000001217C570000-memory.dmp

Filesize
64KB

Download
memory/4780-136-0x000001217CC20000-0x000001217CC30000-memory.dmp

Filesize
64KB

Download
memory/4780-137-0x000001217F2E0000-0x000001217F2E4000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads