sakula | 10840bc7ae3c97f43e9eb6f5d94e6eeada279590e427e5da77909ba67c370019

General

Target

10840bc7ae3c97f43e9eb6f5d94e6eeada279590e427e5da77909ba67c370019.exe
Size

216KB
MD5

358182eec28d565959f49a14783e5c89
SHA1

dc67a7e61fc74752ad700922ded0275c07b58d39
SHA256

10840bc7ae3c97f43e9eb6f5d94e6eeada279590e427e5da77909ba67c370019
SHA512

ab0144eb7bca3dc6f8252d6f8d7f37236017d7356c5c0ef422e429cc3b3ebc6984833b6ce3b2d772f296d04c52026f5987b4480573ee3da41a94537e22eac16b

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 4 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
behavioral2/memory/2748-135-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula
behavioral2/memory/4416-136-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

4416 MediaCenter.exe

pid	process
4416	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:

10840bc7ae3c97f43e9eb6f5d94e6eeada279590e427e5da77909ba67c370019.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	10840bc7ae3c97f43e9eb6f5d94e6eeada279590e427e5da77909ba67c370019.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

10840bc7ae3c97f43e9eb6f5d94e6eeada279590e427e5da77909ba67c370019.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"	10840bc7ae3c97f43e9eb6f5d94e6eeada279590e427e5da77909ba67c370019.exe

Drops file in Windows directory 8 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
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
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.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

3356 PING.EXE

pid	process
3356	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

svchost.exe10840bc7ae3c97f43e9eb6f5d94e6eeada279590e427e5da77909ba67c370019.exeTiWorker.exe

description	pid	process
Token: SeShutdownPrivilege	4648	svchost.exe
Token: SeCreatePagefilePrivilege	4648	svchost.exe
Token: SeShutdownPrivilege	4648	svchost.exe
Token: SeCreatePagefilePrivilege	4648	svchost.exe
Token: SeShutdownPrivilege	4648	svchost.exe
Token: SeCreatePagefilePrivilege	4648	svchost.exe
Token: SeIncBasePriorityPrivilege	2748	10840bc7ae3c97f43e9eb6f5d94e6eeada279590e427e5da77909ba67c370019.exe
Token: SeSecurityPrivilege	1124	TiWorker.exe
Token: SeRestorePrivilege	1124	TiWorker.exe
Token: SeBackupPrivilege	1124	TiWorker.exe
Token: SeBackupPrivilege	1124	TiWorker.exe
Token: SeRestorePrivilege	1124	TiWorker.exe
Token: SeSecurityPrivilege	1124	TiWorker.exe
Token: SeBackupPrivilege	1124	TiWorker.exe
Token: SeRestorePrivilege	1124	TiWorker.exe
Token: SeSecurityPrivilege	1124	TiWorker.exe
Token: SeBackupPrivilege	1124	TiWorker.exe
Token: SeRestorePrivilege	1124	TiWorker.exe
Token: SeSecurityPrivilege	1124	TiWorker.exe
Token: SeBackupPrivilege	1124	TiWorker.exe
Token: SeRestorePrivilege	1124	TiWorker.exe
Token: SeSecurityPrivilege	1124	TiWorker.exe
Token: SeBackupPrivilege	1124	TiWorker.exe
Token: SeRestorePrivilege	1124	TiWorker.exe
Token: SeSecurityPrivilege	1124	TiWorker.exe
Token: SeBackupPrivilege	1124	TiWorker.exe
Token: SeRestorePrivilege	1124	TiWorker.exe
Token: SeSecurityPrivilege	1124	TiWorker.exe
Token: SeBackupPrivilege	1124	TiWorker.exe
Token: SeRestorePrivilege	1124	TiWorker.exe
Token: SeSecurityPrivilege	1124	TiWorker.exe
Token: SeBackupPrivilege	1124	TiWorker.exe
Token: SeRestorePrivilege	1124	TiWorker.exe
Token: SeSecurityPrivilege	1124	TiWorker.exe
Token: SeBackupPrivilege	1124	TiWorker.exe
Token: SeRestorePrivilege	1124	TiWorker.exe
Token: SeSecurityPrivilege	1124	TiWorker.exe
Token: SeBackupPrivilege	1124	TiWorker.exe
Token: SeRestorePrivilege	1124	TiWorker.exe
Token: SeSecurityPrivilege	1124	TiWorker.exe
Token: SeBackupPrivilege	1124	TiWorker.exe
Token: SeRestorePrivilege	1124	TiWorker.exe
Token: SeSecurityPrivilege	1124	TiWorker.exe
Token: SeBackupPrivilege	1124	TiWorker.exe
Token: SeRestorePrivilege	1124	TiWorker.exe
Token: SeSecurityPrivilege	1124	TiWorker.exe
Token: SeBackupPrivilege	1124	TiWorker.exe
Token: SeRestorePrivilege	1124	TiWorker.exe
Token: SeSecurityPrivilege	1124	TiWorker.exe
Token: SeBackupPrivilege	1124	TiWorker.exe
Token: SeRestorePrivilege	1124	TiWorker.exe
Token: SeSecurityPrivilege	1124	TiWorker.exe
Token: SeBackupPrivilege	1124	TiWorker.exe
Token: SeRestorePrivilege	1124	TiWorker.exe
Token: SeSecurityPrivilege	1124	TiWorker.exe
Token: SeBackupPrivilege	1124	TiWorker.exe
Token: SeRestorePrivilege	1124	TiWorker.exe
Token: SeSecurityPrivilege	1124	TiWorker.exe
Token: SeBackupPrivilege	1124	TiWorker.exe
Token: SeRestorePrivilege	1124	TiWorker.exe
Token: SeSecurityPrivilege	1124	TiWorker.exe
Token: SeBackupPrivilege	1124	TiWorker.exe
Token: SeRestorePrivilege	1124	TiWorker.exe
Token: SeSecurityPrivilege	1124	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

10840bc7ae3c97f43e9eb6f5d94e6eeada279590e427e5da77909ba67c370019.execmd.exe

description	pid	process	target process
PID 2748 wrote to memory of 4416	2748	10840bc7ae3c97f43e9eb6f5d94e6eeada279590e427e5da77909ba67c370019.exe	MediaCenter.exe
PID 2748 wrote to memory of 4416	2748	10840bc7ae3c97f43e9eb6f5d94e6eeada279590e427e5da77909ba67c370019.exe	MediaCenter.exe
PID 2748 wrote to memory of 4416	2748	10840bc7ae3c97f43e9eb6f5d94e6eeada279590e427e5da77909ba67c370019.exe	MediaCenter.exe
PID 2748 wrote to memory of 852	2748	10840bc7ae3c97f43e9eb6f5d94e6eeada279590e427e5da77909ba67c370019.exe	cmd.exe
PID 2748 wrote to memory of 852	2748	10840bc7ae3c97f43e9eb6f5d94e6eeada279590e427e5da77909ba67c370019.exe	cmd.exe
PID 2748 wrote to memory of 852	2748	10840bc7ae3c97f43e9eb6f5d94e6eeada279590e427e5da77909ba67c370019.exe	cmd.exe
PID 852 wrote to memory of 3356	852	cmd.exe	PING.EXE
PID 852 wrote to memory of 3356	852	cmd.exe	PING.EXE
PID 852 wrote to memory of 3356	852	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\10840bc7ae3c97f43e9eb6f5d94e6eeada279590e427e5da77909ba67c370019.exe
"C:\Users\Admin\AppData\Local\Temp\10840bc7ae3c97f43e9eb6f5d94e6eeada279590e427e5da77909ba67c370019.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2748

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:4416

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\10840bc7ae3c97f43e9eb6f5d94e6eeada279590e427e5da77909ba67c370019.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:852

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3356

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:4648

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:1124

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
79b06a279a36b9cdf6dafecba0476a11

SHA1
7eab4b7ed2072b3a0d8f01cc5c0f609de3a0c48b

SHA256
21aaaba80a4ac887bf6b617149a7a0f4c566a31507fe314025e938862be0024f

SHA512
70c040ad0b3a7f493057fbf2974c46cd80978b0c20b30c060c2c142e611fd71dd9c91ea2282e9dcd6e7e1b9a1d7f9f2c0b454d5d310e10968502cf0bb8c0246c

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

MD5
79b06a279a36b9cdf6dafecba0476a11

SHA1
7eab4b7ed2072b3a0d8f01cc5c0f609de3a0c48b

SHA256
21aaaba80a4ac887bf6b617149a7a0f4c566a31507fe314025e938862be0024f

SHA512
70c040ad0b3a7f493057fbf2974c46cd80978b0c20b30c060c2c142e611fd71dd9c91ea2282e9dcd6e7e1b9a1d7f9f2c0b454d5d310e10968502cf0bb8c0246c

Download Submit
memory/2748-135-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/4416-136-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/4648-132-0x000002CBDFD80000-0x000002CBDFD90000-memory.dmp

Filesize
64KB

Download
memory/4648-133-0x000002CBE0320000-0x000002CBE0330000-memory.dmp

Filesize
64KB

Download
memory/4648-134-0x000002CBE2A00000-0x000002CBE2A04000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads