Analysis
-
max time kernel
139s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
02-11-2024 10:04
Behavioral task
behavioral1
Sample
71b0e18fa8f12317ab7b36920c60c60c5533ede5f247f3b5dd69e8b748bfb8aeN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
71b0e18fa8f12317ab7b36920c60c60c5533ede5f247f3b5dd69e8b748bfb8aeN.exe
Resource
win10v2004-20241007-en
General
-
Target
71b0e18fa8f12317ab7b36920c60c60c5533ede5f247f3b5dd69e8b748bfb8aeN.exe
-
Size
632KB
-
MD5
ab00e65bbf49bb4f590d31f7ab6cc8d0
-
SHA1
3cc0bf1cb50a1bcbe5df5a7c0ee03dd8834e139a
-
SHA256
71b0e18fa8f12317ab7b36920c60c60c5533ede5f247f3b5dd69e8b748bfb8ae
-
SHA512
ff7b6709d74d7895cfa60e2f2297fb846a9d6517929a5a469b76f4b1c4e73262a0ab5189e6f71a15fbf1ecff673edd2322b1d0188ffbe5aa4a614bc82884ac67
-
SSDEEP
12288:0RfQn+w8EYiBlMkn5f9J105ko8T6csV5H:g4+wlYBsb3zNs5H
Malware Config
Extracted
sakula
www.polarroute.com
Signatures
-
Sakula family
-
Sakula payload 4 IoCs
resource yara_rule behavioral2/memory/5020-0-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/files/0x0008000000023c6e-3.dat family_sakula behavioral2/memory/5020-5-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/4016-6-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation 71b0e18fa8f12317ab7b36920c60c60c5533ede5f247f3b5dd69e8b748bfb8aeN.exe -
Executes dropped EXE 1 IoCs
pid Process 4016 MediaCenter.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" 71b0e18fa8f12317ab7b36920c60c60c5533ede5f247f3b5dd69e8b748bfb8aeN.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 71b0e18fa8f12317ab7b36920c60c60c5533ede5f247f3b5dd69e8b748bfb8aeN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MediaCenter.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 4676 PING.EXE 2060 cmd.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4676 PING.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 5020 71b0e18fa8f12317ab7b36920c60c60c5533ede5f247f3b5dd69e8b748bfb8aeN.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 5020 wrote to memory of 4016 5020 71b0e18fa8f12317ab7b36920c60c60c5533ede5f247f3b5dd69e8b748bfb8aeN.exe 84 PID 5020 wrote to memory of 4016 5020 71b0e18fa8f12317ab7b36920c60c60c5533ede5f247f3b5dd69e8b748bfb8aeN.exe 84 PID 5020 wrote to memory of 4016 5020 71b0e18fa8f12317ab7b36920c60c60c5533ede5f247f3b5dd69e8b748bfb8aeN.exe 84 PID 5020 wrote to memory of 2060 5020 71b0e18fa8f12317ab7b36920c60c60c5533ede5f247f3b5dd69e8b748bfb8aeN.exe 102 PID 5020 wrote to memory of 2060 5020 71b0e18fa8f12317ab7b36920c60c60c5533ede5f247f3b5dd69e8b748bfb8aeN.exe 102 PID 5020 wrote to memory of 2060 5020 71b0e18fa8f12317ab7b36920c60c60c5533ede5f247f3b5dd69e8b748bfb8aeN.exe 102 PID 2060 wrote to memory of 4676 2060 cmd.exe 104 PID 2060 wrote to memory of 4676 2060 cmd.exe 104 PID 2060 wrote to memory of 4676 2060 cmd.exe 104
Processes
-
C:\Users\Admin\AppData\Local\Temp\71b0e18fa8f12317ab7b36920c60c60c5533ede5f247f3b5dd69e8b748bfb8aeN.exe"C:\Users\Admin\AppData\Local\Temp\71b0e18fa8f12317ab7b36920c60c60c5533ede5f247f3b5dd69e8b748bfb8aeN.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5020 -
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exeC:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4016
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\71b0e18fa8f12317ab7b36920c60c60c5533ede5f247f3b5dd69e8b748bfb8aeN.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2060 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:4676
-
-
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
632KB
MD587090529cf8a2d39e59caa559694fdf5
SHA17b0db9e7dff04cd8a3e6d0a81e51d577a93e9d04
SHA256abba258425839fbdd03a3b3d820d15ec5d124e0901631fcde9da8b30381d8d06
SHA5125cc6014b6f1f32075f8b953681f42b4744026229b507d5590cf3ce5c89d9aca81752a93dd41c001fc4517f59b3fac1b9d5889e6aa46f62aed4b43ccc6b90995f