sakula | 18b3eb5679c447691b85a5aeda46c6fe56c72d9f3e1d2bce1386cadf93638e32

General

Target

18b3eb5679c447691b85a5aeda46c6fe56c72d9f3e1d2bce1386cadf93638e32.exe
Size

192KB
MD5

25f3bcd45f14f7130dd5bafa329b876e
SHA1

7a2281175d79c80dd4b251cd2ba4646e9dda4588
SHA256

18b3eb5679c447691b85a5aeda46c6fe56c72d9f3e1d2bce1386cadf93638e32
SHA512

99a89af4088d72ec2aee87d13415ee294301f1c42ac39e9106bfd7908314bebe7ce475a467c96e0446cab8f8dd99bd35dd881036d023c6b877eac36d5c457a73

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

3944 MediaCenter.exe

pid	process
3944	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:

18b3eb5679c447691b85a5aeda46c6fe56c72d9f3e1d2bce1386cadf93638e32.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	18b3eb5679c447691b85a5aeda46c6fe56c72d9f3e1d2bce1386cadf93638e32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

18b3eb5679c447691b85a5aeda46c6fe56c72d9f3e1d2bce1386cadf93638e32.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"	18b3eb5679c447691b85a5aeda46c6fe56c72d9f3e1d2bce1386cadf93638e32.exe

Drops file in Windows directory 8 IoCs

Processes:

svchost.exeTiWorker.exe

description	ioc	process
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
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
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1056 PING.EXE

pid	process
1056	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

svchost.exe18b3eb5679c447691b85a5aeda46c6fe56c72d9f3e1d2bce1386cadf93638e32.exeTiWorker.exe

description	pid	process
Token: SeShutdownPrivilege	3668	svchost.exe
Token: SeCreatePagefilePrivilege	3668	svchost.exe
Token: SeShutdownPrivilege	3668	svchost.exe
Token: SeCreatePagefilePrivilege	3668	svchost.exe
Token: SeShutdownPrivilege	3668	svchost.exe
Token: SeCreatePagefilePrivilege	3668	svchost.exe
Token: SeIncBasePriorityPrivilege	3564	18b3eb5679c447691b85a5aeda46c6fe56c72d9f3e1d2bce1386cadf93638e32.exe
Token: SeSecurityPrivilege	2720	TiWorker.exe
Token: SeRestorePrivilege	2720	TiWorker.exe
Token: SeBackupPrivilege	2720	TiWorker.exe
Token: SeBackupPrivilege	2720	TiWorker.exe
Token: SeRestorePrivilege	2720	TiWorker.exe
Token: SeSecurityPrivilege	2720	TiWorker.exe
Token: SeBackupPrivilege	2720	TiWorker.exe
Token: SeRestorePrivilege	2720	TiWorker.exe
Token: SeSecurityPrivilege	2720	TiWorker.exe
Token: SeBackupPrivilege	2720	TiWorker.exe
Token: SeRestorePrivilege	2720	TiWorker.exe
Token: SeSecurityPrivilege	2720	TiWorker.exe
Token: SeBackupPrivilege	2720	TiWorker.exe
Token: SeRestorePrivilege	2720	TiWorker.exe
Token: SeSecurityPrivilege	2720	TiWorker.exe
Token: SeBackupPrivilege	2720	TiWorker.exe
Token: SeRestorePrivilege	2720	TiWorker.exe
Token: SeSecurityPrivilege	2720	TiWorker.exe
Token: SeBackupPrivilege	2720	TiWorker.exe
Token: SeRestorePrivilege	2720	TiWorker.exe
Token: SeSecurityPrivilege	2720	TiWorker.exe
Token: SeBackupPrivilege	2720	TiWorker.exe
Token: SeRestorePrivilege	2720	TiWorker.exe
Token: SeSecurityPrivilege	2720	TiWorker.exe
Token: SeBackupPrivilege	2720	TiWorker.exe
Token: SeRestorePrivilege	2720	TiWorker.exe
Token: SeSecurityPrivilege	2720	TiWorker.exe
Token: SeBackupPrivilege	2720	TiWorker.exe
Token: SeRestorePrivilege	2720	TiWorker.exe
Token: SeSecurityPrivilege	2720	TiWorker.exe
Token: SeBackupPrivilege	2720	TiWorker.exe
Token: SeRestorePrivilege	2720	TiWorker.exe
Token: SeSecurityPrivilege	2720	TiWorker.exe
Token: SeBackupPrivilege	2720	TiWorker.exe
Token: SeRestorePrivilege	2720	TiWorker.exe
Token: SeSecurityPrivilege	2720	TiWorker.exe
Token: SeBackupPrivilege	2720	TiWorker.exe
Token: SeRestorePrivilege	2720	TiWorker.exe
Token: SeSecurityPrivilege	2720	TiWorker.exe
Token: SeBackupPrivilege	2720	TiWorker.exe
Token: SeRestorePrivilege	2720	TiWorker.exe
Token: SeSecurityPrivilege	2720	TiWorker.exe
Token: SeBackupPrivilege	2720	TiWorker.exe
Token: SeRestorePrivilege	2720	TiWorker.exe
Token: SeSecurityPrivilege	2720	TiWorker.exe
Token: SeBackupPrivilege	2720	TiWorker.exe
Token: SeRestorePrivilege	2720	TiWorker.exe
Token: SeSecurityPrivilege	2720	TiWorker.exe
Token: SeBackupPrivilege	2720	TiWorker.exe
Token: SeRestorePrivilege	2720	TiWorker.exe
Token: SeSecurityPrivilege	2720	TiWorker.exe
Token: SeBackupPrivilege	2720	TiWorker.exe
Token: SeRestorePrivilege	2720	TiWorker.exe
Token: SeSecurityPrivilege	2720	TiWorker.exe
Token: SeBackupPrivilege	2720	TiWorker.exe
Token: SeRestorePrivilege	2720	TiWorker.exe
Token: SeSecurityPrivilege	2720	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

18b3eb5679c447691b85a5aeda46c6fe56c72d9f3e1d2bce1386cadf93638e32.execmd.exe

description	pid	process	target process
PID 3564 wrote to memory of 3944	3564	18b3eb5679c447691b85a5aeda46c6fe56c72d9f3e1d2bce1386cadf93638e32.exe	MediaCenter.exe
PID 3564 wrote to memory of 3944	3564	18b3eb5679c447691b85a5aeda46c6fe56c72d9f3e1d2bce1386cadf93638e32.exe	MediaCenter.exe
PID 3564 wrote to memory of 3944	3564	18b3eb5679c447691b85a5aeda46c6fe56c72d9f3e1d2bce1386cadf93638e32.exe	MediaCenter.exe
PID 3564 wrote to memory of 2472	3564	18b3eb5679c447691b85a5aeda46c6fe56c72d9f3e1d2bce1386cadf93638e32.exe	cmd.exe
PID 3564 wrote to memory of 2472	3564	18b3eb5679c447691b85a5aeda46c6fe56c72d9f3e1d2bce1386cadf93638e32.exe	cmd.exe
PID 3564 wrote to memory of 2472	3564	18b3eb5679c447691b85a5aeda46c6fe56c72d9f3e1d2bce1386cadf93638e32.exe	cmd.exe
PID 2472 wrote to memory of 1056	2472	cmd.exe	PING.EXE
PID 2472 wrote to memory of 1056	2472	cmd.exe	PING.EXE
PID 2472 wrote to memory of 1056	2472	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\18b3eb5679c447691b85a5aeda46c6fe56c72d9f3e1d2bce1386cadf93638e32.exe
"C:\Users\Admin\AppData\Local\Temp\18b3eb5679c447691b85a5aeda46c6fe56c72d9f3e1d2bce1386cadf93638e32.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3564

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3944

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\18b3eb5679c447691b85a5aeda46c6fe56c72d9f3e1d2bce1386cadf93638e32.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2472

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1056

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:3668

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:2720

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
7b5a18e54c3ee3bda7514b957690908a

SHA1
e3325875ccacc8d51417cdc493384b75c5770244

SHA256
5e44f7698055849329f64949a53ac5120cb90610a9a5e866effbb7eac4bfc58c

SHA512
f183a2dbc7b3f869d163fc10a910af7051c05fad63dfb2ce20d5d88c4c2c9fa3e83d1e90dd3bab40441e85ff71423318fadf65abe30a956b1eed9eef41057f23

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

MD5
7b5a18e54c3ee3bda7514b957690908a

SHA1
e3325875ccacc8d51417cdc493384b75c5770244

SHA256
5e44f7698055849329f64949a53ac5120cb90610a9a5e866effbb7eac4bfc58c

SHA512
f183a2dbc7b3f869d163fc10a910af7051c05fad63dfb2ce20d5d88c4c2c9fa3e83d1e90dd3bab40441e85ff71423318fadf65abe30a956b1eed9eef41057f23

Download Submit
memory/3668-133-0x0000013DB9720000-0x0000013DB9730000-memory.dmp

Filesize
64KB

Download
memory/3668-132-0x0000013DB9160000-0x0000013DB9170000-memory.dmp

Filesize
64KB

Download
memory/3668-134-0x0000013DBBDD0000-0x0000013DBBDD4000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads