Analysis
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max time kernel
150s -
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
13-01-2025 03:21
Behavioral task
behavioral1
Sample
921144b30af479c4e37facec34be76e77c707bc6b2787d2e091f843d7354b340.exe
Resource
win7-20241010-en
General
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Target
921144b30af479c4e37facec34be76e77c707bc6b2787d2e091f843d7354b340.exe
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Size
41KB
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MD5
b1b42556c441f64276725c25bf916831
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SHA1
b69747a088db3a41e7d891aaae746306d35e387a
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SHA256
921144b30af479c4e37facec34be76e77c707bc6b2787d2e091f843d7354b340
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SHA512
7a6e8164f2c20342154eeabe46dd012b649983dec38d2f3c647bfa1b728ea2ecad9d06ff0cdecd3c27e829f636a6f773789336db2e25f00f98d685ff21f62df4
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SSDEEP
768:9zpVJi5kPTIukEYpcHOZ6rFSBZxkXNVkSXtfgn3JkcBwQoabJF7nbcuyD7UV:N/JKiMLE9bOq5fgn6Ozoaz7nouy8V
Malware Config
Extracted
sakula
www.polarroute.com
Signatures
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Sakula family
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Sakula payload 3 IoCs
resource yara_rule behavioral2/memory/3824-10-0x0000000000400000-0x000000000041E000-memory.dmp family_sakula behavioral2/memory/2208-12-0x0000000000400000-0x000000000041E000-memory.dmp family_sakula behavioral2/memory/3824-17-0x0000000000400000-0x000000000041E000-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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation 921144b30af479c4e37facec34be76e77c707bc6b2787d2e091f843d7354b340.exe -
Executes dropped EXE 1 IoCs
pid Process 2208 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" 921144b30af479c4e37facec34be76e77c707bc6b2787d2e091f843d7354b340.exe -
resource yara_rule behavioral2/memory/3824-0-0x0000000000400000-0x000000000041E000-memory.dmp upx behavioral2/memory/2208-4-0x0000000000400000-0x000000000041E000-memory.dmp upx behavioral2/files/0x000a000000023ca0-3.dat upx behavioral2/memory/3824-10-0x0000000000400000-0x000000000041E000-memory.dmp upx behavioral2/memory/2208-12-0x0000000000400000-0x000000000041E000-memory.dmp upx behavioral2/memory/3824-17-0x0000000000400000-0x000000000041E000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 921144b30af479c4e37facec34be76e77c707bc6b2787d2e091f843d7354b340.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MediaCenter.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 4188 cmd.exe 4532 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4532 PING.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3824 921144b30af479c4e37facec34be76e77c707bc6b2787d2e091f843d7354b340.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3824 wrote to memory of 2208 3824 921144b30af479c4e37facec34be76e77c707bc6b2787d2e091f843d7354b340.exe 83 PID 3824 wrote to memory of 2208 3824 921144b30af479c4e37facec34be76e77c707bc6b2787d2e091f843d7354b340.exe 83 PID 3824 wrote to memory of 2208 3824 921144b30af479c4e37facec34be76e77c707bc6b2787d2e091f843d7354b340.exe 83 PID 3824 wrote to memory of 4188 3824 921144b30af479c4e37facec34be76e77c707bc6b2787d2e091f843d7354b340.exe 98 PID 3824 wrote to memory of 4188 3824 921144b30af479c4e37facec34be76e77c707bc6b2787d2e091f843d7354b340.exe 98 PID 3824 wrote to memory of 4188 3824 921144b30af479c4e37facec34be76e77c707bc6b2787d2e091f843d7354b340.exe 98 PID 4188 wrote to memory of 4532 4188 cmd.exe 100 PID 4188 wrote to memory of 4532 4188 cmd.exe 100 PID 4188 wrote to memory of 4532 4188 cmd.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\921144b30af479c4e37facec34be76e77c707bc6b2787d2e091f843d7354b340.exe"C:\Users\Admin\AppData\Local\Temp\921144b30af479c4e37facec34be76e77c707bc6b2787d2e091f843d7354b340.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:3824 -
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:2208
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\921144b30af479c4e37facec34be76e77c707bc6b2787d2e091f843d7354b340.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:4188 -
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:4532
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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Filesize
41KB
MD59dbc68785f2edb1056d7770bc09fe3bf
SHA15d58554921390dda1bb3ab4a35e7cada1d598310
SHA256606df71af45c96325c0f9a7bdd8b35a8cb3d2a55f7fd8980043c2dd23e288042
SHA512f1dcc42a175f5c0f1d4497095c7b22ccebb9c43093a3ec233db5ab8f168508c68dcd254cb6bf65d476fbb2790c6cbe4be0bde0ae9000351d6b1ce98b02726787