sakula | 139042c506b2339003732c72ec0e2a8ffeb1b8cd693b4a9a762e54db03ff0773

General

Target

139042c506b2339003732c72ec0e2a8ffeb1b8cd693b4a9a762e54db03ff0773.exe
Size

216KB
MD5

4280a2d8b873d1d073e911ef9e79ddf1
SHA1

bbf8188377a5c717036509e99be78b0af325e9dc
SHA256

139042c506b2339003732c72ec0e2a8ffeb1b8cd693b4a9a762e54db03ff0773
SHA512

c64d579f2a3928130b38f541fbf445f005658695d72d0353beaa7d98898a2bfad8ac35be8d80ff956bd42744700eb7b33508f3c95b87ffbe154f2645e1e31da3

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/4696-135-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula
behavioral2/memory/3508-136-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3508 MediaCenter.exe

pid	process
3508	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:

139042c506b2339003732c72ec0e2a8ffeb1b8cd693b4a9a762e54db03ff0773.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	139042c506b2339003732c72ec0e2a8ffeb1b8cd693b4a9a762e54db03ff0773.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

139042c506b2339003732c72ec0e2a8ffeb1b8cd693b4a9a762e54db03ff0773.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"	139042c506b2339003732c72ec0e2a8ffeb1b8cd693b4a9a762e54db03ff0773.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

3216 PING.EXE

pid	process
3216	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

svchost.exe139042c506b2339003732c72ec0e2a8ffeb1b8cd693b4a9a762e54db03ff0773.exeTiWorker.exe

description	pid	process
Token: SeShutdownPrivilege	1944	svchost.exe
Token: SeCreatePagefilePrivilege	1944	svchost.exe
Token: SeShutdownPrivilege	1944	svchost.exe
Token: SeCreatePagefilePrivilege	1944	svchost.exe
Token: SeShutdownPrivilege	1944	svchost.exe
Token: SeCreatePagefilePrivilege	1944	svchost.exe
Token: SeIncBasePriorityPrivilege	4696	139042c506b2339003732c72ec0e2a8ffeb1b8cd693b4a9a762e54db03ff0773.exe
Token: SeSecurityPrivilege	4616	TiWorker.exe
Token: SeRestorePrivilege	4616	TiWorker.exe
Token: SeBackupPrivilege	4616	TiWorker.exe
Token: SeBackupPrivilege	4616	TiWorker.exe
Token: SeRestorePrivilege	4616	TiWorker.exe
Token: SeSecurityPrivilege	4616	TiWorker.exe
Token: SeBackupPrivilege	4616	TiWorker.exe
Token: SeRestorePrivilege	4616	TiWorker.exe
Token: SeSecurityPrivilege	4616	TiWorker.exe
Token: SeBackupPrivilege	4616	TiWorker.exe
Token: SeRestorePrivilege	4616	TiWorker.exe
Token: SeSecurityPrivilege	4616	TiWorker.exe
Token: SeBackupPrivilege	4616	TiWorker.exe
Token: SeRestorePrivilege	4616	TiWorker.exe
Token: SeSecurityPrivilege	4616	TiWorker.exe
Token: SeBackupPrivilege	4616	TiWorker.exe
Token: SeRestorePrivilege	4616	TiWorker.exe
Token: SeSecurityPrivilege	4616	TiWorker.exe
Token: SeBackupPrivilege	4616	TiWorker.exe
Token: SeRestorePrivilege	4616	TiWorker.exe
Token: SeSecurityPrivilege	4616	TiWorker.exe
Token: SeBackupPrivilege	4616	TiWorker.exe
Token: SeRestorePrivilege	4616	TiWorker.exe
Token: SeSecurityPrivilege	4616	TiWorker.exe
Token: SeBackupPrivilege	4616	TiWorker.exe
Token: SeRestorePrivilege	4616	TiWorker.exe
Token: SeSecurityPrivilege	4616	TiWorker.exe
Token: SeBackupPrivilege	4616	TiWorker.exe
Token: SeRestorePrivilege	4616	TiWorker.exe
Token: SeSecurityPrivilege	4616	TiWorker.exe
Token: SeBackupPrivilege	4616	TiWorker.exe
Token: SeRestorePrivilege	4616	TiWorker.exe
Token: SeSecurityPrivilege	4616	TiWorker.exe
Token: SeBackupPrivilege	4616	TiWorker.exe
Token: SeRestorePrivilege	4616	TiWorker.exe
Token: SeSecurityPrivilege	4616	TiWorker.exe
Token: SeBackupPrivilege	4616	TiWorker.exe
Token: SeRestorePrivilege	4616	TiWorker.exe
Token: SeSecurityPrivilege	4616	TiWorker.exe
Token: SeBackupPrivilege	4616	TiWorker.exe
Token: SeRestorePrivilege	4616	TiWorker.exe
Token: SeSecurityPrivilege	4616	TiWorker.exe
Token: SeBackupPrivilege	4616	TiWorker.exe
Token: SeRestorePrivilege	4616	TiWorker.exe
Token: SeSecurityPrivilege	4616	TiWorker.exe
Token: SeBackupPrivilege	4616	TiWorker.exe
Token: SeRestorePrivilege	4616	TiWorker.exe
Token: SeSecurityPrivilege	4616	TiWorker.exe
Token: SeBackupPrivilege	4616	TiWorker.exe
Token: SeRestorePrivilege	4616	TiWorker.exe
Token: SeSecurityPrivilege	4616	TiWorker.exe
Token: SeBackupPrivilege	4616	TiWorker.exe
Token: SeRestorePrivilege	4616	TiWorker.exe
Token: SeSecurityPrivilege	4616	TiWorker.exe
Token: SeBackupPrivilege	4616	TiWorker.exe
Token: SeRestorePrivilege	4616	TiWorker.exe
Token: SeSecurityPrivilege	4616	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

139042c506b2339003732c72ec0e2a8ffeb1b8cd693b4a9a762e54db03ff0773.execmd.exe

description	pid	process	target process
PID 4696 wrote to memory of 3508	4696	139042c506b2339003732c72ec0e2a8ffeb1b8cd693b4a9a762e54db03ff0773.exe	MediaCenter.exe
PID 4696 wrote to memory of 3508	4696	139042c506b2339003732c72ec0e2a8ffeb1b8cd693b4a9a762e54db03ff0773.exe	MediaCenter.exe
PID 4696 wrote to memory of 3508	4696	139042c506b2339003732c72ec0e2a8ffeb1b8cd693b4a9a762e54db03ff0773.exe	MediaCenter.exe
PID 4696 wrote to memory of 3520	4696	139042c506b2339003732c72ec0e2a8ffeb1b8cd693b4a9a762e54db03ff0773.exe	cmd.exe
PID 4696 wrote to memory of 3520	4696	139042c506b2339003732c72ec0e2a8ffeb1b8cd693b4a9a762e54db03ff0773.exe	cmd.exe
PID 4696 wrote to memory of 3520	4696	139042c506b2339003732c72ec0e2a8ffeb1b8cd693b4a9a762e54db03ff0773.exe	cmd.exe
PID 3520 wrote to memory of 3216	3520	cmd.exe	PING.EXE
PID 3520 wrote to memory of 3216	3520	cmd.exe	PING.EXE
PID 3520 wrote to memory of 3216	3520	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\139042c506b2339003732c72ec0e2a8ffeb1b8cd693b4a9a762e54db03ff0773.exe
"C:\Users\Admin\AppData\Local\Temp\139042c506b2339003732c72ec0e2a8ffeb1b8cd693b4a9a762e54db03ff0773.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4696

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3508

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\139042c506b2339003732c72ec0e2a8ffeb1b8cd693b4a9a762e54db03ff0773.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3520

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3216

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:1944

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:4616

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
ea78275486ca459b9a30dda887930646

SHA1
8093459aa0fd65faeab554c913d933c9bb52f706

SHA256
d86bd61610244f0e3968721703e2c4886595ef26977c5a26cba15476c27376f6

SHA512
8cecf62917c62c565d0ec914dff3fe5632b9362adf7e0c21715ce376eaf7129d3c0c9abda3d5f195e8dbea73cdf34bc9f7c8681d3689f434b3e8cba57f298c9c

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

MD5
ea78275486ca459b9a30dda887930646

SHA1
8093459aa0fd65faeab554c913d933c9bb52f706

SHA256
d86bd61610244f0e3968721703e2c4886595ef26977c5a26cba15476c27376f6

SHA512
8cecf62917c62c565d0ec914dff3fe5632b9362adf7e0c21715ce376eaf7129d3c0c9abda3d5f195e8dbea73cdf34bc9f7c8681d3689f434b3e8cba57f298c9c

Download Submit
memory/1944-132-0x000001E3AA330000-0x000001E3AA340000-memory.dmp

Filesize
64KB

Download
memory/1944-133-0x000001E3AA390000-0x000001E3AA3A0000-memory.dmp

Filesize
64KB

Download
memory/1944-134-0x000001E3AD0A0000-0x000001E3AD0A4000-memory.dmp

Filesize
16KB

Download
memory/3508-136-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/4696-135-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads