Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
23-01-2025 05:32
Static task
static1
Behavioral task
behavioral1
Sample
69980c71db83568497ff93f1be4e9b6b35e87dd261d744ae72be688f31b6b193.exe
Resource
win7-20240903-en
General
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Target
69980c71db83568497ff93f1be4e9b6b35e87dd261d744ae72be688f31b6b193.exe
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Size
67KB
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MD5
b40b550b27905bc69e15069b4f3d8629
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SHA1
5b749bee567a73d5b2edd6a7e5e82ac3147d07b8
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SHA256
69980c71db83568497ff93f1be4e9b6b35e87dd261d744ae72be688f31b6b193
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SHA512
a936a251d7d5bf71d57dedea45012eb74c79ae23c4379c5c01a206772233dd9cc04a3882e1d51b658ce57e12761efc74e4c96fe3037dc3e361ea427bba50a709
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SSDEEP
1536:6bQx5oPsr2vFxDPhAvzgAQzFZ77MzeTmUD0ja:6bQRSHpAvzyf7MzeThD0ja
Malware Config
Extracted
urelas
218.54.47.76
218.54.47.77
218.54.47.74
Signatures
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Urelas family
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Deletes itself 1 IoCs
pid Process 2684 cmd.exe -
Executes dropped EXE 1 IoCs
pid Process 2968 biudfw.exe -
Loads dropped DLL 1 IoCs
pid Process 2416 69980c71db83568497ff93f1be4e9b6b35e87dd261d744ae72be688f31b6b193.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 3 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 biudfw.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 69980c71db83568497ff93f1be4e9b6b35e87dd261d744ae72be688f31b6b193.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2416 wrote to memory of 2968 2416 69980c71db83568497ff93f1be4e9b6b35e87dd261d744ae72be688f31b6b193.exe 28 PID 2416 wrote to memory of 2968 2416 69980c71db83568497ff93f1be4e9b6b35e87dd261d744ae72be688f31b6b193.exe 28 PID 2416 wrote to memory of 2968 2416 69980c71db83568497ff93f1be4e9b6b35e87dd261d744ae72be688f31b6b193.exe 28 PID 2416 wrote to memory of 2968 2416 69980c71db83568497ff93f1be4e9b6b35e87dd261d744ae72be688f31b6b193.exe 28 PID 2416 wrote to memory of 2684 2416 69980c71db83568497ff93f1be4e9b6b35e87dd261d744ae72be688f31b6b193.exe 29 PID 2416 wrote to memory of 2684 2416 69980c71db83568497ff93f1be4e9b6b35e87dd261d744ae72be688f31b6b193.exe 29 PID 2416 wrote to memory of 2684 2416 69980c71db83568497ff93f1be4e9b6b35e87dd261d744ae72be688f31b6b193.exe 29 PID 2416 wrote to memory of 2684 2416 69980c71db83568497ff93f1be4e9b6b35e87dd261d744ae72be688f31b6b193.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\69980c71db83568497ff93f1be4e9b6b35e87dd261d744ae72be688f31b6b193.exe"C:\Users\Admin\AppData\Local\Temp\69980c71db83568497ff93f1be4e9b6b35e87dd261d744ae72be688f31b6b193.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2416 -
C:\Users\Admin\AppData\Local\Temp\biudfw.exe"C:\Users\Admin\AppData\Local\Temp\biudfw.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2968
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C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2684
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
512B
MD5efd90b3ac908d5482af367de3a82184a
SHA1de9f01d2ed0247b7b347e55c5a09721a60147fb9
SHA25644f3db1bb73bb207a88008ae28d0399f888b5714ccccb2056f4148b4455e693d
SHA5126e3355f895af1d81887d5750033c5a139e4a0e1c2c928aeef1fd37f9c191e754b1f524d252c229ea5e744dbef4dd0a8240d9d3443651d42de198e82a197afb02
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Filesize
338B
MD569617a16400a638550df3d82c31ea3ae
SHA18572ac2ce907e09d5786cbc0a0d26f10e551a74a
SHA2564379bf6b240972d7d75963557044140fb93448dda552a9233ce65d67d4eca755
SHA512147b0631aeea01e9a32540636b9d306c50b4701135b358d0351688fa63a2c6be3fa173ba7fbe9d2d1932e27adc605f43e5e208af4d88575f2dcdaaaef7d1eec5
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Filesize
67KB
MD526229a4abb226c46ee4fb45c099b426a
SHA1d21be7a32873578c306264af6c01b00205218f1c
SHA2560c81890d4086ab36b208ac8a0b6cb36c6f2c8880c83e921c99ecf8305c407d87
SHA51298ea47bd9943c0fc99c9b3a1846ed4439de3878b95e8e70c7c9531564f5be3b413bbe7168f9819e03484c718f183ccbf72473b7e89e9735e0b44b06e82306358