Analysis
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max time kernel
106s -
max time network
108s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20-11-2024 19:48
Behavioral task
behavioral1
Sample
b1e7be2bb326144fb528f105795e4c3b602b3c28db7a3a0fd8cf5487938ec137.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b1e7be2bb326144fb528f105795e4c3b602b3c28db7a3a0fd8cf5487938ec137.exe
Resource
win10v2004-20241007-en
General
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Target
b1e7be2bb326144fb528f105795e4c3b602b3c28db7a3a0fd8cf5487938ec137.exe
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Size
3.6MB
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MD5
1cc7c63af4eb7e2c5463c1f7f6dc8e40
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SHA1
197ef0e34d392ebd7b3aa7cc38836064be833d4c
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SHA256
b1e7be2bb326144fb528f105795e4c3b602b3c28db7a3a0fd8cf5487938ec137
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SHA512
97635987be402ed195a9d790fcc0b59b3b7c41a45dfd2448e0d03394b817e98daff41a0da6ccd5031d4ea8501648f0a74e4f9863eab66d528b322460aa0f6273
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SSDEEP
49152:o852ZjeUNZZH46HsnHVT5ZA+acdD6xXTI8:oU6eUNZZJHsHu
Malware Config
Extracted
sakula
www.polarroute.com
Signatures
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Sakula family
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Sakula payload 1 IoCs
Processes:
resource yara_rule behavioral2/files/0x0007000000023c77-2.dat family_sakula -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
b1e7be2bb326144fb528f105795e4c3b602b3c28db7a3a0fd8cf5487938ec137.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation b1e7be2bb326144fb528f105795e4c3b602b3c28db7a3a0fd8cf5487938ec137.exe -
Executes dropped EXE 1 IoCs
Processes:
MediaCenter.exepid Process 3136 MediaCenter.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
b1e7be2bb326144fb528f105795e4c3b602b3c28db7a3a0fd8cf5487938ec137.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" b1e7be2bb326144fb528f105795e4c3b602b3c28db7a3a0fd8cf5487938ec137.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.
Processes:
b1e7be2bb326144fb528f105795e4c3b602b3c28db7a3a0fd8cf5487938ec137.exeMediaCenter.execmd.exePING.EXEdescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b1e7be2bb326144fb528f105795e4c3b602b3c28db7a3a0fd8cf5487938ec137.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.
Processes:
PING.EXEcmd.exepid Process 4888 PING.EXE 3580 cmd.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
b1e7be2bb326144fb528f105795e4c3b602b3c28db7a3a0fd8cf5487938ec137.exedescription pid Process Token: SeIncBasePriorityPrivilege 4116 b1e7be2bb326144fb528f105795e4c3b602b3c28db7a3a0fd8cf5487938ec137.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
b1e7be2bb326144fb528f105795e4c3b602b3c28db7a3a0fd8cf5487938ec137.execmd.exedescription pid Process procid_target PID 4116 wrote to memory of 3136 4116 b1e7be2bb326144fb528f105795e4c3b602b3c28db7a3a0fd8cf5487938ec137.exe 83 PID 4116 wrote to memory of 3136 4116 b1e7be2bb326144fb528f105795e4c3b602b3c28db7a3a0fd8cf5487938ec137.exe 83 PID 4116 wrote to memory of 3136 4116 b1e7be2bb326144fb528f105795e4c3b602b3c28db7a3a0fd8cf5487938ec137.exe 83 PID 4116 wrote to memory of 3580 4116 b1e7be2bb326144fb528f105795e4c3b602b3c28db7a3a0fd8cf5487938ec137.exe 100 PID 4116 wrote to memory of 3580 4116 b1e7be2bb326144fb528f105795e4c3b602b3c28db7a3a0fd8cf5487938ec137.exe 100 PID 4116 wrote to memory of 3580 4116 b1e7be2bb326144fb528f105795e4c3b602b3c28db7a3a0fd8cf5487938ec137.exe 100 PID 3580 wrote to memory of 4888 3580 cmd.exe 102 PID 3580 wrote to memory of 4888 3580 cmd.exe 102 PID 3580 wrote to memory of 4888 3580 cmd.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\b1e7be2bb326144fb528f105795e4c3b602b3c28db7a3a0fd8cf5487938ec137.exe"C:\Users\Admin\AppData\Local\Temp\b1e7be2bb326144fb528f105795e4c3b602b3c28db7a3a0fd8cf5487938ec137.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:4116 -
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:3136
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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\b1e7be2bb326144fb528f105795e4c3b602b3c28db7a3a0fd8cf5487938ec137.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:3580 -
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:4888
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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
3.6MB
MD54c7c07eaabe9455d2cfe77ef94784c1f
SHA10949fa6b7fc02f970a7112ad84228a5f094c0d42
SHA2561086114231362b1539d44892dc8c4289a8d24514b051d9b7361cf351725c9d59
SHA512bc6acb6b4d77342436d871858037543a9eec2d051373e56ce045d6a4241ea7193c4fd8fc378e38ed5297575d43d4ccb97cfeda2afae65cdd1d91ca7224034af3