Analysis
-
max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
03-09-2024 17:55
Behavioral task
behavioral1
Sample
2770111e9c78bdad80466d60982f0d3f576e051dc8c566d504a1c59cce0a33d0.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2770111e9c78bdad80466d60982f0d3f576e051dc8c566d504a1c59cce0a33d0.exe
Resource
win10v2004-20240802-en
General
-
Target
2770111e9c78bdad80466d60982f0d3f576e051dc8c566d504a1c59cce0a33d0.exe
-
Size
150KB
-
MD5
6e092b58c6215f860f0255f3fb5f2f83
-
SHA1
3bb49785892deafff5c8ee6b05c95aa17466d3f2
-
SHA256
2770111e9c78bdad80466d60982f0d3f576e051dc8c566d504a1c59cce0a33d0
-
SHA512
2547341fe729b7b9344b65c9b093ab067fd9b0f7108a9d5c2f94724ddd7a09998f95185b65b5edfc6f3cd160f05332c89b870ca89ce9d5c1372f406855468a1a
-
SSDEEP
3072:H29DkEGRQixVSjLLJ30BWPOt5dQw+hyuGDInwM:H29qRfVSnt30Bbt+IhDFM
Malware Config
Extracted
sakula
www.polarroute.com
Signatures
-
Sakula payload 6 IoCs
resource yara_rule behavioral2/memory/3144-0-0x00000000000D0000-0x00000000000FF000-memory.dmp family_sakula behavioral2/files/0x0008000000023468-3.dat family_sakula behavioral2/memory/4120-5-0x00000000001D0000-0x00000000001FF000-memory.dmp family_sakula behavioral2/memory/3144-6-0x00000000000D0000-0x00000000000FF000-memory.dmp family_sakula behavioral2/memory/4120-7-0x00000000001D0000-0x00000000001FF000-memory.dmp family_sakula behavioral2/memory/3144-8-0x00000000000D0000-0x00000000000FF000-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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation 2770111e9c78bdad80466d60982f0d3f576e051dc8c566d504a1c59cce0a33d0.exe -
Executes dropped EXE 1 IoCs
pid Process 4120 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" 2770111e9c78bdad80466d60982f0d3f576e051dc8c566d504a1c59cce0a33d0.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 MediaCenter.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2770111e9c78bdad80466d60982f0d3f576e051dc8c566d504a1c59cce0a33d0.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 3936 cmd.exe 624 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 624 PING.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3144 2770111e9c78bdad80466d60982f0d3f576e051dc8c566d504a1c59cce0a33d0.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3144 wrote to memory of 4120 3144 2770111e9c78bdad80466d60982f0d3f576e051dc8c566d504a1c59cce0a33d0.exe 83 PID 3144 wrote to memory of 4120 3144 2770111e9c78bdad80466d60982f0d3f576e051dc8c566d504a1c59cce0a33d0.exe 83 PID 3144 wrote to memory of 4120 3144 2770111e9c78bdad80466d60982f0d3f576e051dc8c566d504a1c59cce0a33d0.exe 83 PID 3144 wrote to memory of 3936 3144 2770111e9c78bdad80466d60982f0d3f576e051dc8c566d504a1c59cce0a33d0.exe 99 PID 3144 wrote to memory of 3936 3144 2770111e9c78bdad80466d60982f0d3f576e051dc8c566d504a1c59cce0a33d0.exe 99 PID 3144 wrote to memory of 3936 3144 2770111e9c78bdad80466d60982f0d3f576e051dc8c566d504a1c59cce0a33d0.exe 99 PID 3936 wrote to memory of 624 3936 cmd.exe 101 PID 3936 wrote to memory of 624 3936 cmd.exe 101 PID 3936 wrote to memory of 624 3936 cmd.exe 101
Processes
-
C:\Users\Admin\AppData\Local\Temp\2770111e9c78bdad80466d60982f0d3f576e051dc8c566d504a1c59cce0a33d0.exe"C:\Users\Admin\AppData\Local\Temp\2770111e9c78bdad80466d60982f0d3f576e051dc8c566d504a1c59cce0a33d0.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:3144 -
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:4120
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\2770111e9c78bdad80466d60982f0d3f576e051dc8c566d504a1c59cce0a33d0.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:3936 -
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:624
-
-
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
150KB
MD56e453c440a3d4374ecd551f762cc866d
SHA15652cf93ee3b62dccc7bde0dca6abf873745c713
SHA2568b0497772ec73b977011f2273aa657a864304b4f9c22dbf7ba5838311b3d9c69
SHA512894349ed06cc91bb3790d44cda5cb061015fca8539b126da490d561d908fe0b98708de052895dab7a59f84c3d2d928b2811c3db189e7e4d9aafc8186469a800e