Analysis
- max time kernel
111s - max time network
112s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system - submitted
25/07/2024, 18:13
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
e9443561bfdc5d31b810f1b42f2be930N.exe
Resource
win7-20240705-en
12 signatures
120 seconds
Behavioral task
behavioral2
Sample
e9443561bfdc5d31b810f1b42f2be930N.exe
Resource
win10v2004-20240709-en
11 signatures
120 seconds
General
- Target e9443561bfdc5d31b810f1b42f2be930N.exe
- Size 64KB
- Sample240725-wt4twswcll
- SHA256 2dc6da7d229793ed6ae880c4bce3cd93a5e790e6646b8d9af062b45325b6358f
- MD5 e9443561bfdc5d31b810f1b42f2be930
- SHA1 72683efdf2711c3581a550698f25de244c58bea0
- SHA512 f70ed500624da1a3539d0db38e174d4df3341ec95687a95558b9fc739be34caae18bfc9e9ba9857c1a7dbee70b16740f232ca65b00e54f89bf0d830de4de71dd
- SSDEEP 768:Y0gD04rmpLAuJGlfAHI9lqnP8q0gXg0uvsVWZz/L4i/ym23ysRaKFt9kS3DCkeI1:YNpmpkzAHkq0gXgffZgiKKsDNDCkru8
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
sakula
C2
-
www.polarroute.com
Signatures
- Sakula payload 4 IoCs
resource yara_rule behavioral2/memory/4712-5-0x0000000000400000-0x0000000000423000-memory.dmp family_sakula behavioral2/memory/4612-6-0x0000000000400000-0x0000000000423000-memory.dmp family_sakula behavioral2/memory/4712-9-0x0000000000400000-0x0000000000423000-memory.dmp family_sakula behavioral2/memory/4612-16-0x0000000000400000-0x0000000000423000-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-1-5-21-47134698-4092160662-1261813102-1000\Control Panel\International\Geo\Nation e9443561bfdc5d31b810f1b42f2be930N.exe - Executes dropped EXE 1 IoCs
pid Process 4612 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" e9443561bfdc5d31b810f1b42f2be930N.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 PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e9443561bfdc5d31b810f1b42f2be930N.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 4912 cmd.exe 516 PING.EXE - Runs ping.exe 1 TTPs 1 IoCs
pid Process 516 PING.EXE - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4712 e9443561bfdc5d31b810f1b42f2be930N.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4712 wrote to memory of 4612 4712 e9443561bfdc5d31b810f1b42f2be930N.exe 84 PID 4712 wrote to memory of 4612 4712 e9443561bfdc5d31b810f1b42f2be930N.exe 84 PID 4712 wrote to memory of 4612 4712 e9443561bfdc5d31b810f1b42f2be930N.exe 84 PID 4712 wrote to memory of 4912 4712 e9443561bfdc5d31b810f1b42f2be930N.exe 97 PID 4712 wrote to memory of 4912 4712 e9443561bfdc5d31b810f1b42f2be930N.exe 97 PID 4712 wrote to memory of 4912 4712 e9443561bfdc5d31b810f1b42f2be930N.exe 97 PID 4912 wrote to memory of 516 4912 cmd.exe 99 PID 4912 wrote to memory of 516 4912 cmd.exe 99 PID 4912 wrote to memory of 516 4912 cmd.exe 99
Processes
-
C:\Users\Admin\AppData\Local\Temp\e9443561bfdc5d31b810f1b42f2be930N.exe"C:\Users\Admin\AppData\Local\Temp\e9443561bfdc5d31b810f1b42f2be930N.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:4712 -
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:4612
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\e9443561bfdc5d31b810f1b42f2be930N.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:4912 -
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:516
-
-
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
- Path C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
- Size 64KB
- SHA256 025ed78c7178ba553e51c02a18ca94cab39a1f6d427929622703a5fabcfc325c
- MD5 2b719daf2dae539d7c98d741d7c3218d
- SHA1 b477c9fe3bfa475a8b8ad3853bcbdda6693ec9bb
- SHA512 5e1cd34787d928c3c125cf27d9dab825115715b84c99578f4f2650d33d0b7fbaed83789780f7bae6bf568a8b09af17bce30692f7f72fc6c00c150093e24dccfe
- SSDEEP 768:Y0gD04rmpLAuJGlfAHI9lqnP8q0gXg0uvsVWZz/L4i/ym23ysRaKFt9kS3DCkeI1:YNpmpkzAHkq0gXgffZgiKKsDNDCkrus
- MD5 SHA1 SHA512 SSDEEP