sakula | 1591b1c7937263fac900ef0bb96064b40ca8877f13ed4f464a7643bafb18534b

General

Target

1591b1c7937263fac900ef0bb96064b40ca8877f13ed4f464a7643bafb18534b.exe
Size

80KB
MD5

054786bb4d9d660915df8122f7e275f4
SHA1

15bc14c821f2d176eadf0cc761aac3e6a6520802
SHA256

1591b1c7937263fac900ef0bb96064b40ca8877f13ed4f464a7643bafb18534b
SHA512

a6f91b2efc4d23950e1527f013d63809dc10c5419f11b4a4dd1a66346017f841bd46ea4360fac4c4a81f8660df49b6e4237122c87094a6b1a33ecc3065ec8722

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

1136 MediaCenter.exe

pid	process
1136	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:

1591b1c7937263fac900ef0bb96064b40ca8877f13ed4f464a7643bafb18534b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	1591b1c7937263fac900ef0bb96064b40ca8877f13ed4f464a7643bafb18534b.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1591b1c7937263fac900ef0bb96064b40ca8877f13ed4f464a7643bafb18534b.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"	1591b1c7937263fac900ef0bb96064b40ca8877f13ed4f464a7643bafb18534b.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

1848 PING.EXE

pid	process
1848	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

svchost.exeTiWorker.exe

description	pid	process
Token: SeShutdownPrivilege	3348	svchost.exe
Token: SeCreatePagefilePrivilege	3348	svchost.exe
Token: SeShutdownPrivilege	3348	svchost.exe
Token: SeCreatePagefilePrivilege	3348	svchost.exe
Token: SeShutdownPrivilege	3348	svchost.exe
Token: SeCreatePagefilePrivilege	3348	svchost.exe
Token: SeSecurityPrivilege	4360	TiWorker.exe
Token: SeRestorePrivilege	4360	TiWorker.exe
Token: SeBackupPrivilege	4360	TiWorker.exe
Token: SeBackupPrivilege	4360	TiWorker.exe
Token: SeRestorePrivilege	4360	TiWorker.exe
Token: SeSecurityPrivilege	4360	TiWorker.exe
Token: SeBackupPrivilege	4360	TiWorker.exe
Token: SeRestorePrivilege	4360	TiWorker.exe
Token: SeSecurityPrivilege	4360	TiWorker.exe
Token: SeBackupPrivilege	4360	TiWorker.exe
Token: SeRestorePrivilege	4360	TiWorker.exe
Token: SeSecurityPrivilege	4360	TiWorker.exe
Token: SeBackupPrivilege	4360	TiWorker.exe
Token: SeRestorePrivilege	4360	TiWorker.exe
Token: SeSecurityPrivilege	4360	TiWorker.exe
Token: SeBackupPrivilege	4360	TiWorker.exe
Token: SeRestorePrivilege	4360	TiWorker.exe
Token: SeSecurityPrivilege	4360	TiWorker.exe
Token: SeBackupPrivilege	4360	TiWorker.exe
Token: SeRestorePrivilege	4360	TiWorker.exe
Token: SeSecurityPrivilege	4360	TiWorker.exe
Token: SeBackupPrivilege	4360	TiWorker.exe
Token: SeRestorePrivilege	4360	TiWorker.exe
Token: SeSecurityPrivilege	4360	TiWorker.exe
Token: SeBackupPrivilege	4360	TiWorker.exe
Token: SeRestorePrivilege	4360	TiWorker.exe
Token: SeSecurityPrivilege	4360	TiWorker.exe
Token: SeBackupPrivilege	4360	TiWorker.exe
Token: SeRestorePrivilege	4360	TiWorker.exe
Token: SeSecurityPrivilege	4360	TiWorker.exe
Token: SeBackupPrivilege	4360	TiWorker.exe
Token: SeRestorePrivilege	4360	TiWorker.exe
Token: SeSecurityPrivilege	4360	TiWorker.exe
Token: SeBackupPrivilege	4360	TiWorker.exe
Token: SeRestorePrivilege	4360	TiWorker.exe
Token: SeSecurityPrivilege	4360	TiWorker.exe
Token: SeBackupPrivilege	4360	TiWorker.exe
Token: SeRestorePrivilege	4360	TiWorker.exe
Token: SeSecurityPrivilege	4360	TiWorker.exe
Token: SeBackupPrivilege	4360	TiWorker.exe
Token: SeRestorePrivilege	4360	TiWorker.exe
Token: SeSecurityPrivilege	4360	TiWorker.exe
Token: SeBackupPrivilege	4360	TiWorker.exe
Token: SeRestorePrivilege	4360	TiWorker.exe
Token: SeSecurityPrivilege	4360	TiWorker.exe
Token: SeBackupPrivilege	4360	TiWorker.exe
Token: SeRestorePrivilege	4360	TiWorker.exe
Token: SeSecurityPrivilege	4360	TiWorker.exe
Token: SeBackupPrivilege	4360	TiWorker.exe
Token: SeRestorePrivilege	4360	TiWorker.exe
Token: SeSecurityPrivilege	4360	TiWorker.exe
Token: SeBackupPrivilege	4360	TiWorker.exe
Token: SeRestorePrivilege	4360	TiWorker.exe
Token: SeSecurityPrivilege	4360	TiWorker.exe
Token: SeBackupPrivilege	4360	TiWorker.exe
Token: SeRestorePrivilege	4360	TiWorker.exe
Token: SeSecurityPrivilege	4360	TiWorker.exe
Token: SeBackupPrivilege	4360	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1591b1c7937263fac900ef0bb96064b40ca8877f13ed4f464a7643bafb18534b.execmd.exe

description	pid	process	target process
PID 3616 wrote to memory of 1136	3616	1591b1c7937263fac900ef0bb96064b40ca8877f13ed4f464a7643bafb18534b.exe	MediaCenter.exe
PID 3616 wrote to memory of 1136	3616	1591b1c7937263fac900ef0bb96064b40ca8877f13ed4f464a7643bafb18534b.exe	MediaCenter.exe
PID 3616 wrote to memory of 1136	3616	1591b1c7937263fac900ef0bb96064b40ca8877f13ed4f464a7643bafb18534b.exe	MediaCenter.exe
PID 3616 wrote to memory of 3752	3616	1591b1c7937263fac900ef0bb96064b40ca8877f13ed4f464a7643bafb18534b.exe	cmd.exe
PID 3616 wrote to memory of 3752	3616	1591b1c7937263fac900ef0bb96064b40ca8877f13ed4f464a7643bafb18534b.exe	cmd.exe
PID 3616 wrote to memory of 3752	3616	1591b1c7937263fac900ef0bb96064b40ca8877f13ed4f464a7643bafb18534b.exe	cmd.exe
PID 3752 wrote to memory of 1848	3752	cmd.exe	PING.EXE
PID 3752 wrote to memory of 1848	3752	cmd.exe	PING.EXE
PID 3752 wrote to memory of 1848	3752	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1591b1c7937263fac900ef0bb96064b40ca8877f13ed4f464a7643bafb18534b.exe
"C:\Users\Admin\AppData\Local\Temp\1591b1c7937263fac900ef0bb96064b40ca8877f13ed4f464a7643bafb18534b.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3616

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1136

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1591b1c7937263fac900ef0bb96064b40ca8877f13ed4f464a7643bafb18534b.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3752

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1848

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:3348

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:4360

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
7c12220980c231abe400b941dd91cf60

SHA1
617de3a03a4efd9d7a509345ec3adfd1f7ef4e3f

SHA256
20550d4b993f7336c34450df02923b3cb1f369433bdf2c5e46cd98d70e5cb015

SHA512
83f1466eb79abf097c3d4591b99f3ad657c4325e559596aa1f4b1b9663c28f73d163d1b351022ff3bc7c447d0f20f318825660d95f6d5fb0db67733ed2c122da

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

MD5
7c12220980c231abe400b941dd91cf60

SHA1
617de3a03a4efd9d7a509345ec3adfd1f7ef4e3f

SHA256
20550d4b993f7336c34450df02923b3cb1f369433bdf2c5e46cd98d70e5cb015

SHA512
83f1466eb79abf097c3d4591b99f3ad657c4325e559596aa1f4b1b9663c28f73d163d1b351022ff3bc7c447d0f20f318825660d95f6d5fb0db67733ed2c122da

Download Submit
memory/3348-132-0x00000185D8E20000-0x00000185D8E30000-memory.dmp

Filesize
64KB

Download
memory/3348-133-0x00000185D8E80000-0x00000185D8E90000-memory.dmp

Filesize
64KB

Download
memory/3348-134-0x00000185DB540000-0x00000185DB544000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads