Analysis
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max time kernel
142s -
max time network
151s -
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 16:17
Behavioral task
behavioral1
Sample
JaffaCakes118_27a929c376221c72dae86152bb970efd.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_27a929c376221c72dae86152bb970efd.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_27a929c376221c72dae86152bb970efd.exe
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Size
517KB
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MD5
27a929c376221c72dae86152bb970efd
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SHA1
2c53d1f801645d7cc59d5632926a45c0ecbade45
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SHA256
a601c8375a61908e22ec9d8f50e24a838c717b635cc39144f12aef34de10221d
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SHA512
10c56d07be32afe14c6ccba3c65465632ee5748ed337d89240b49a6a559ae4b622d43242acae494b6e3f9002756b557684cb6efb1c543fa1f93508e62fa01811
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SSDEEP
12288:0RfQn+w8EYiBlMkn5f9J105ko8T6csVeU:g4+wlYBsb3zNsh
Malware Config
Extracted
sakula
www.polarroute.com
Signatures
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Sakula family
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Sakula payload 4 IoCs
resource yara_rule behavioral2/memory/3128-0-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/files/0x0008000000023cc0-3.dat family_sakula behavioral2/memory/3128-9-0x0000000000400000-0x0000000000420000-memory.dmp family_sakula behavioral2/memory/744-18-0x0000000000400000-0x0000000000420000-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 JaffaCakes118_27a929c376221c72dae86152bb970efd.exe -
Executes dropped EXE 1 IoCs
pid Process 744 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" JaffaCakes118_27a929c376221c72dae86152bb970efd.exe -
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 JaffaCakes118_27a929c376221c72dae86152bb970efd.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 1832 cmd.exe 3644 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 3644 PING.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3128 JaffaCakes118_27a929c376221c72dae86152bb970efd.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3128 wrote to memory of 744 3128 JaffaCakes118_27a929c376221c72dae86152bb970efd.exe 83 PID 3128 wrote to memory of 744 3128 JaffaCakes118_27a929c376221c72dae86152bb970efd.exe 83 PID 3128 wrote to memory of 744 3128 JaffaCakes118_27a929c376221c72dae86152bb970efd.exe 83 PID 3128 wrote to memory of 1832 3128 JaffaCakes118_27a929c376221c72dae86152bb970efd.exe 100 PID 3128 wrote to memory of 1832 3128 JaffaCakes118_27a929c376221c72dae86152bb970efd.exe 100 PID 3128 wrote to memory of 1832 3128 JaffaCakes118_27a929c376221c72dae86152bb970efd.exe 100 PID 1832 wrote to memory of 3644 1832 cmd.exe 102 PID 1832 wrote to memory of 3644 1832 cmd.exe 102 PID 1832 wrote to memory of 3644 1832 cmd.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27a929c376221c72dae86152bb970efd.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27a929c376221c72dae86152bb970efd.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:3128 -
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:744
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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\JaffaCakes118_27a929c376221c72dae86152bb970efd.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:1832 -
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:3644
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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
517KB
MD55513249212dbf81d55905a35198cb0c5
SHA17ae3bd892512653f43d7ea16d7a536c70b85513e
SHA256ba59b46e06d828ad334d073df9ad2e4397efe22189d6775fb6322a6caf73c86e
SHA5126bbb67a705fe47347adf3395cd4914ac27e0ab9e3092cc7c284ef190e1425acc0ac5af010be49e8badd24097e363a85f06c1a5ed54b11ba4ed47d395fdefb6cc