sakula | 1577c6a920f0deb90eb9c3024bcdc2afffbb8e3cc2c3bf213d3dd9af118c14f2

General

Target

1577c6a920f0deb90eb9c3024bcdc2afffbb8e3cc2c3bf213d3dd9af118c14f2.exe
Size

79KB
MD5

c8693ada4829a336a37cad7a2e991d59
SHA1

330add13cf4bcff0176a2605c181de95714fcf0c
SHA256

1577c6a920f0deb90eb9c3024bcdc2afffbb8e3cc2c3bf213d3dd9af118c14f2
SHA512

a383b6f117905f0666f04e51ef3bc5cbde3ee8a22987874f5efad2aa3de58a088dd8dc0f0dc3fa4c8828a54acac5f1206ab7d8407b74acf14dc9018d5768976d

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

1808 MediaCenter.exe

pid	process
1808	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:

1577c6a920f0deb90eb9c3024bcdc2afffbb8e3cc2c3bf213d3dd9af118c14f2.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	1577c6a920f0deb90eb9c3024bcdc2afffbb8e3cc2c3bf213d3dd9af118c14f2.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1577c6a920f0deb90eb9c3024bcdc2afffbb8e3cc2c3bf213d3dd9af118c14f2.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"	1577c6a920f0deb90eb9c3024bcdc2afffbb8e3cc2c3bf213d3dd9af118c14f2.exe

Drops file in Windows directory 8 IoCs

Processes:

svchost.exeTiWorker.exe

description	ioc	process
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
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	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

440 PING.EXE

pid	process
440	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

svchost.exe1577c6a920f0deb90eb9c3024bcdc2afffbb8e3cc2c3bf213d3dd9af118c14f2.exeTiWorker.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: SeIncBasePriorityPrivilege	4488	1577c6a920f0deb90eb9c3024bcdc2afffbb8e3cc2c3bf213d3dd9af118c14f2.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe
Token: SeBackupPrivilege	1916	TiWorker.exe
Token: SeRestorePrivilege	1916	TiWorker.exe
Token: SeSecurityPrivilege	1916	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1577c6a920f0deb90eb9c3024bcdc2afffbb8e3cc2c3bf213d3dd9af118c14f2.execmd.exe

description	pid	process	target process
PID 4488 wrote to memory of 1808	4488	1577c6a920f0deb90eb9c3024bcdc2afffbb8e3cc2c3bf213d3dd9af118c14f2.exe	MediaCenter.exe
PID 4488 wrote to memory of 1808	4488	1577c6a920f0deb90eb9c3024bcdc2afffbb8e3cc2c3bf213d3dd9af118c14f2.exe	MediaCenter.exe
PID 4488 wrote to memory of 1808	4488	1577c6a920f0deb90eb9c3024bcdc2afffbb8e3cc2c3bf213d3dd9af118c14f2.exe	MediaCenter.exe
PID 4488 wrote to memory of 3844	4488	1577c6a920f0deb90eb9c3024bcdc2afffbb8e3cc2c3bf213d3dd9af118c14f2.exe	cmd.exe
PID 4488 wrote to memory of 3844	4488	1577c6a920f0deb90eb9c3024bcdc2afffbb8e3cc2c3bf213d3dd9af118c14f2.exe	cmd.exe
PID 4488 wrote to memory of 3844	4488	1577c6a920f0deb90eb9c3024bcdc2afffbb8e3cc2c3bf213d3dd9af118c14f2.exe	cmd.exe
PID 3844 wrote to memory of 440	3844	cmd.exe	PING.EXE
PID 3844 wrote to memory of 440	3844	cmd.exe	PING.EXE
PID 3844 wrote to memory of 440	3844	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1577c6a920f0deb90eb9c3024bcdc2afffbb8e3cc2c3bf213d3dd9af118c14f2.exe
"C:\Users\Admin\AppData\Local\Temp\1577c6a920f0deb90eb9c3024bcdc2afffbb8e3cc2c3bf213d3dd9af118c14f2.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4488

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1808

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1577c6a920f0deb90eb9c3024bcdc2afffbb8e3cc2c3bf213d3dd9af118c14f2.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3844

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:440

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:1916

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

MD5
50ea9a17d7c571018a1ae96ed295bac3

SHA1
dd45ed38e2e81b88cae5f1a6cee4bf58261ecc96

SHA256
cc7826108c0de1d42e70cd4092ea8fd5f10527e51eba5ebcca66207e7f3cad81

SHA512
cbb29cf9abe3de17b26f0bdcfed97b9b0084d539740749a211098db834ef6f0a33c2b140559f1f0110eb9db4ea2a48f8d273365d0cea16c028e0a527627d5d2a

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

MD5
50ea9a17d7c571018a1ae96ed295bac3

SHA1
dd45ed38e2e81b88cae5f1a6cee4bf58261ecc96

SHA256
cc7826108c0de1d42e70cd4092ea8fd5f10527e51eba5ebcca66207e7f3cad81

SHA512
cbb29cf9abe3de17b26f0bdcfed97b9b0084d539740749a211098db834ef6f0a33c2b140559f1f0110eb9db4ea2a48f8d273365d0cea16c028e0a527627d5d2a

Download Submit
memory/1332-132-0x00000207A5930000-0x00000207A5940000-memory.dmp

Filesize
64KB

Download
memory/1332-133-0x00000207A5990000-0x00000207A59A0000-memory.dmp

Filesize
64KB

Download
memory/1332-134-0x00000207A8690000-0x00000207A8694000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads