Analysis
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max time kernel
135s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
29-11-2024 06:00
Behavioral task
behavioral1
Sample
a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe
Resource
win7-20240903-en
General
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Target
a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe
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Size
140KB
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MD5
fbf65d011592fd4f05ef7f91b39283cd
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SHA1
6cb4890e4a12ca76f2e583d683b7db04a7ed4714
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SHA256
a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39
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SHA512
0e4a414cc6a2179dfc286ed5caf2481b576875df4e3f2a49ba2c46ecf92748e589fee95dc6ae8ee894e4d5bfb3db5d0477b38d9f103bbd3eb5e727173cebf867
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SSDEEP
1536:6QFl29mEkE0L1rDEKrxZKF2zf9g2Pl7W/MwbxMX+mdz30rtr8gjmy9xNDCkrZ:x29DkEGRQixVSjLa130BYgjmy9T7Z
Malware Config
Extracted
sakula
www.polarroute.com
Signatures
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Sakula family
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Sakula payload 5 IoCs
resource yara_rule behavioral2/memory/2516-0-0x0000000000400000-0x0000000000425000-memory.dmp family_sakula behavioral2/files/0x0009000000023cc7-3.dat family_sakula behavioral2/memory/2516-5-0x0000000000400000-0x0000000000425000-memory.dmp family_sakula behavioral2/memory/3220-6-0x0000000000400000-0x0000000000425000-memory.dmp family_sakula behavioral2/memory/2516-7-0x0000000000400000-0x0000000000425000-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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe -
Executes dropped EXE 1 IoCs
pid Process 3220 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" a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe -
resource yara_rule behavioral2/memory/2516-0-0x0000000000400000-0x0000000000425000-memory.dmp upx behavioral2/files/0x0009000000023cc7-3.dat upx behavioral2/memory/2516-5-0x0000000000400000-0x0000000000425000-memory.dmp upx behavioral2/memory/3220-6-0x0000000000400000-0x0000000000425000-memory.dmp upx behavioral2/memory/2516-7-0x0000000000400000-0x0000000000425000-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 a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.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 732 cmd.exe 1592 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1592 PING.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2516 a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2516 wrote to memory of 3220 2516 a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe 82 PID 2516 wrote to memory of 3220 2516 a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe 82 PID 2516 wrote to memory of 3220 2516 a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe 82 PID 2516 wrote to memory of 732 2516 a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe 91 PID 2516 wrote to memory of 732 2516 a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe 91 PID 2516 wrote to memory of 732 2516 a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe 91 PID 732 wrote to memory of 1592 732 cmd.exe 93 PID 732 wrote to memory of 1592 732 cmd.exe 93 PID 732 wrote to memory of 1592 732 cmd.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe"C:\Users\Admin\AppData\Local\Temp\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.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:2516 -
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:3220
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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\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:732 -
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:1592
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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
140KB
MD5db4a9addd35f1fd3bd98ea4786ecc334
SHA133244b32d8e8bb41029765ca6831debcf35a4f37
SHA2563900d8810a8280b1a5af45ec949e8cae57e044cd163966eadfe4991c47fe9d67
SHA512bfd67807c0f9e251311e0e8e321fbb1d0e0872b6d218686a98996513d9808f8ee1dde20a8de5b51e490016aa7eb7627832c243ffa51848321afad2f10548a1d9