Analysis
-
max time kernel
111s -
max time network
111s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
31-12-2024 06:33
Behavioral task
behavioral1
Sample
3a49d3416efc9717089425eb53d906d536d70ce77c7c5f5c8d3273ddc6dda5e1N.exe
Resource
win7-20240903-en
General
-
Target
3a49d3416efc9717089425eb53d906d536d70ce77c7c5f5c8d3273ddc6dda5e1N.exe
-
Size
63KB
-
MD5
6d299113dc764e6c2e6cf84aeff88720
-
SHA1
3c0455948a4d8bf05b894fde2d634131bd58bb88
-
SHA256
3a49d3416efc9717089425eb53d906d536d70ce77c7c5f5c8d3273ddc6dda5e1
-
SHA512
97de8dff288e9754b30ba49f1c88609f6f90099e96ffbc7e5f772b544b1c7fb246dd7f891632f02e1d605de75e9898a60a5346a3a82d935afdaf1a50fb4e6fae
-
SSDEEP
1536:zoxBP0D61Oj3+5FdOa52C8pdo95j6hZ2MzNDCkrR:0PPUj3+5FMIn8To94wa7R
Malware Config
Extracted
sakula
www.polarroute.com
Signatures
-
Sakula family
-
Sakula payload 3 IoCs
resource yara_rule behavioral2/memory/3520-9-0x0000000000400000-0x0000000000424000-memory.dmp family_sakula behavioral2/memory/1752-11-0x0000000000400000-0x0000000000424000-memory.dmp family_sakula behavioral2/memory/3520-17-0x0000000000400000-0x0000000000424000-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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation 3a49d3416efc9717089425eb53d906d536d70ce77c7c5f5c8d3273ddc6dda5e1N.exe -
Executes dropped EXE 1 IoCs
pid Process 1752 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" 3a49d3416efc9717089425eb53d906d536d70ce77c7c5f5c8d3273ddc6dda5e1N.exe -
resource yara_rule behavioral2/memory/3520-0-0x0000000000400000-0x0000000000424000-memory.dmp upx behavioral2/files/0x0007000000023ca2-3.dat upx behavioral2/memory/3520-9-0x0000000000400000-0x0000000000424000-memory.dmp upx behavioral2/memory/1752-11-0x0000000000400000-0x0000000000424000-memory.dmp upx behavioral2/memory/3520-17-0x0000000000400000-0x0000000000424000-memory.dmp upx -
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 3a49d3416efc9717089425eb53d906d536d70ce77c7c5f5c8d3273ddc6dda5e1N.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 4044 cmd.exe 4992 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4992 PING.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3520 3a49d3416efc9717089425eb53d906d536d70ce77c7c5f5c8d3273ddc6dda5e1N.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3520 wrote to memory of 1752 3520 3a49d3416efc9717089425eb53d906d536d70ce77c7c5f5c8d3273ddc6dda5e1N.exe 83 PID 3520 wrote to memory of 1752 3520 3a49d3416efc9717089425eb53d906d536d70ce77c7c5f5c8d3273ddc6dda5e1N.exe 83 PID 3520 wrote to memory of 1752 3520 3a49d3416efc9717089425eb53d906d536d70ce77c7c5f5c8d3273ddc6dda5e1N.exe 83 PID 3520 wrote to memory of 4044 3520 3a49d3416efc9717089425eb53d906d536d70ce77c7c5f5c8d3273ddc6dda5e1N.exe 88 PID 3520 wrote to memory of 4044 3520 3a49d3416efc9717089425eb53d906d536d70ce77c7c5f5c8d3273ddc6dda5e1N.exe 88 PID 3520 wrote to memory of 4044 3520 3a49d3416efc9717089425eb53d906d536d70ce77c7c5f5c8d3273ddc6dda5e1N.exe 88 PID 4044 wrote to memory of 4992 4044 cmd.exe 90 PID 4044 wrote to memory of 4992 4044 cmd.exe 90 PID 4044 wrote to memory of 4992 4044 cmd.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\3a49d3416efc9717089425eb53d906d536d70ce77c7c5f5c8d3273ddc6dda5e1N.exe"C:\Users\Admin\AppData\Local\Temp\3a49d3416efc9717089425eb53d906d536d70ce77c7c5f5c8d3273ddc6dda5e1N.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:3520 -
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:1752
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\3a49d3416efc9717089425eb53d906d536d70ce77c7c5f5c8d3273ddc6dda5e1N.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:4044 -
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:4992
-
-
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
63KB
MD56d5459ad3f484e269312df1be65a4185
SHA17c9a15927d391538fa5d2317c282f34296ddf053
SHA256491f0287b6691be9316bad469f961d7f666ad02c89b61d47525f9bafea0da928
SHA512ed2fdf78b372a122319accf3ec93c07c5fdd9de31b1ded47fb10dd54c4ebff673adc76b00fcf3dcfc3c32fc17dc96221b4cf5f304026ef363190a3aa2fe6cfd3