Analysis
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max time kernel
111s -
max time network
113s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
04-01-2025 15:12
Behavioral task
behavioral1
Sample
c1e5f6306ad002c1b1710e3ce56c47a5b9c782453d4672089c610ecb450c49b1N.exe
Resource
win7-20241023-en
General
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Target
c1e5f6306ad002c1b1710e3ce56c47a5b9c782453d4672089c610ecb450c49b1N.exe
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Size
63KB
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MD5
923dc2254955cd7ebc40769fb2d5c6e0
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SHA1
bc4141495d76a3ef82a7e441fcfa9ca362a223fc
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SHA256
c1e5f6306ad002c1b1710e3ce56c47a5b9c782453d4672089c610ecb450c49b1
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SHA512
42021a5272a5c5cba28bef8608468b66cca3021bb50ea51dede39cdfd39d077b1d06f785bc0e5b941bfa9365aad84acd64b82001617ff000825afd022242c2d1
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SSDEEP
1536:zoxBP0D61Oj3+5FdOa52C8pdo95j6hZ2MzNDCkrS:0PPUj3+5FMIn8To94wa7S
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/3032-9-0x0000000000400000-0x0000000000424000-memory.dmp family_sakula behavioral2/memory/4332-11-0x0000000000400000-0x0000000000424000-memory.dmp family_sakula behavioral2/memory/3032-17-0x0000000000400000-0x0000000000424000-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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation c1e5f6306ad002c1b1710e3ce56c47a5b9c782453d4672089c610ecb450c49b1N.exe -
Executes dropped EXE 1 IoCs
pid Process 4332 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" c1e5f6306ad002c1b1710e3ce56c47a5b9c782453d4672089c610ecb450c49b1N.exe -
resource yara_rule behavioral2/memory/3032-0-0x0000000000400000-0x0000000000424000-memory.dmp upx behavioral2/files/0x000c000000023b81-3.dat upx behavioral2/memory/3032-9-0x0000000000400000-0x0000000000424000-memory.dmp upx behavioral2/memory/4332-11-0x0000000000400000-0x0000000000424000-memory.dmp upx behavioral2/memory/3032-17-0x0000000000400000-0x0000000000424000-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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c1e5f6306ad002c1b1710e3ce56c47a5b9c782453d4672089c610ecb450c49b1N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MediaCenter.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 1728 cmd.exe 3440 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 3440 PING.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3032 c1e5f6306ad002c1b1710e3ce56c47a5b9c782453d4672089c610ecb450c49b1N.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3032 wrote to memory of 4332 3032 c1e5f6306ad002c1b1710e3ce56c47a5b9c782453d4672089c610ecb450c49b1N.exe 83 PID 3032 wrote to memory of 4332 3032 c1e5f6306ad002c1b1710e3ce56c47a5b9c782453d4672089c610ecb450c49b1N.exe 83 PID 3032 wrote to memory of 4332 3032 c1e5f6306ad002c1b1710e3ce56c47a5b9c782453d4672089c610ecb450c49b1N.exe 83 PID 3032 wrote to memory of 1728 3032 c1e5f6306ad002c1b1710e3ce56c47a5b9c782453d4672089c610ecb450c49b1N.exe 100 PID 3032 wrote to memory of 1728 3032 c1e5f6306ad002c1b1710e3ce56c47a5b9c782453d4672089c610ecb450c49b1N.exe 100 PID 3032 wrote to memory of 1728 3032 c1e5f6306ad002c1b1710e3ce56c47a5b9c782453d4672089c610ecb450c49b1N.exe 100 PID 1728 wrote to memory of 3440 1728 cmd.exe 102 PID 1728 wrote to memory of 3440 1728 cmd.exe 102 PID 1728 wrote to memory of 3440 1728 cmd.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\c1e5f6306ad002c1b1710e3ce56c47a5b9c782453d4672089c610ecb450c49b1N.exe"C:\Users\Admin\AppData\Local\Temp\c1e5f6306ad002c1b1710e3ce56c47a5b9c782453d4672089c610ecb450c49b1N.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:3032 -
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:4332
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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\c1e5f6306ad002c1b1710e3ce56c47a5b9c782453d4672089c610ecb450c49b1N.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:1728 -
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:3440
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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
63KB
MD58e60b676371d1dc0874d99947f8f860b
SHA1951fb1bca59eadb5b9e78c0c3bcc0b57be9d5c89
SHA2561ede1f2637107e4a819d256406f09cf8ed347287b214434dded5a26ea8a950f6
SHA512066dc28d9701f25ff451da2fa9f90a12700672d10bb9c83476134242b68b96c1219283567549d4dad8ea39e18b1a23fd60c283a4c711d96d98fbedeffbe47ab6