Analysis
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max time kernel
90s -
max time network
94s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
17-11-2024 00:35
Static task
static1
Behavioral task
behavioral1
Sample
217e4ed3df94fad61c0ee33a0ec9c9e58947dcbd287e508b3c193a637eab8b25N.exe
Resource
win7-20241010-en
General
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Target
217e4ed3df94fad61c0ee33a0ec9c9e58947dcbd287e508b3c193a637eab8b25N.exe
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Size
57KB
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MD5
ae534e14014e883fde7a31a89a0b2bd0
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SHA1
a459ed9692f28468c7d4d89c5868eea63e1e69b6
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SHA256
217e4ed3df94fad61c0ee33a0ec9c9e58947dcbd287e508b3c193a637eab8b25
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SHA512
8515b2328323eaaf7d3490320960afc7f33c2128afb639c6e47f7c0ffd1e0c464a904efe6c3c9f33add2dad6841e90fa10bbee2b00a6bbc34f6c3cbc02ded923
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SSDEEP
1536:amZ+4hcuX5uZ79jmvFQTXnz9yQ/PFBhl1J:amZ+luXwy2f9LDhDJ
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
Processes:
cmd.exepid process 2816 cmd.exe -
Executes dropped EXE 1 IoCs
Processes:
biudfw.exepid process 2256 biudfw.exe -
Loads dropped DLL 1 IoCs
Processes:
217e4ed3df94fad61c0ee33a0ec9c9e58947dcbd287e508b3c193a637eab8b25N.exepid process 836 217e4ed3df94fad61c0ee33a0ec9c9e58947dcbd287e508b3c193a637eab8b25N.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.
Processes:
217e4ed3df94fad61c0ee33a0ec9c9e58947dcbd287e508b3c193a637eab8b25N.exebiudfw.execmd.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 217e4ed3df94fad61c0ee33a0ec9c9e58947dcbd287e508b3c193a637eab8b25N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language biudfw.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
217e4ed3df94fad61c0ee33a0ec9c9e58947dcbd287e508b3c193a637eab8b25N.exedescription pid process target process PID 836 wrote to memory of 2256 836 217e4ed3df94fad61c0ee33a0ec9c9e58947dcbd287e508b3c193a637eab8b25N.exe biudfw.exe PID 836 wrote to memory of 2256 836 217e4ed3df94fad61c0ee33a0ec9c9e58947dcbd287e508b3c193a637eab8b25N.exe biudfw.exe PID 836 wrote to memory of 2256 836 217e4ed3df94fad61c0ee33a0ec9c9e58947dcbd287e508b3c193a637eab8b25N.exe biudfw.exe PID 836 wrote to memory of 2256 836 217e4ed3df94fad61c0ee33a0ec9c9e58947dcbd287e508b3c193a637eab8b25N.exe biudfw.exe PID 836 wrote to memory of 2816 836 217e4ed3df94fad61c0ee33a0ec9c9e58947dcbd287e508b3c193a637eab8b25N.exe cmd.exe PID 836 wrote to memory of 2816 836 217e4ed3df94fad61c0ee33a0ec9c9e58947dcbd287e508b3c193a637eab8b25N.exe cmd.exe PID 836 wrote to memory of 2816 836 217e4ed3df94fad61c0ee33a0ec9c9e58947dcbd287e508b3c193a637eab8b25N.exe cmd.exe PID 836 wrote to memory of 2816 836 217e4ed3df94fad61c0ee33a0ec9c9e58947dcbd287e508b3c193a637eab8b25N.exe cmd.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\217e4ed3df94fad61c0ee33a0ec9c9e58947dcbd287e508b3c193a637eab8b25N.exe"C:\Users\Admin\AppData\Local\Temp\217e4ed3df94fad61c0ee33a0ec9c9e58947dcbd287e508b3c193a637eab8b25N.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:836 -
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:2256
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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:2816
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
512B
MD526625b4ca7658f7ba4dc7d982782323c
SHA1574aa314998c39e683675ccf457b0305341a4aaf
SHA256c494e0ffeee72023dac244366c08072f677ba328ba805f9e480abc2824e99283
SHA5125a9af4c6be10240dec0d33b37bc6f6836f1db5d0a2a9dd158d63848a8a97dad68e2d9217aca2b2d1cf122d9534aba0d23b247f6686c4ff934bd7035a927d9b9d
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Filesize
340B
MD5e32c560b484e2803c61001af83686c6e
SHA1f1a3907ed6ded5b58bf5b96c00eaa63f2aeb85df
SHA2566b64d4f6db3ee4bcebb4bbc7fbf2ed7f06d561521d8bdc1aaf1ab9b86b3c3ab8
SHA5124b8ec01db81b4ee04be814fd9b88d53d1fccb3782a8d6c96ac33e235830a22f56ff6bbf36ed0a56356920da5078e8dd01ca2b58f57c3ec8c3708ff20a4800817
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Filesize
57KB
MD586406fbfa57239eb3031b2e2878916c6
SHA199911c7ab0736ad23e36ad862928737b52909c79
SHA25660ca6f8676968989e07d162a402ee23eafe660868efad555cb47564cc0c32dfc
SHA512c742e8bf2e382091404e9c5fbfe5f4b401c4e825af8125621c2a2074a7c88ac4fbda444a61f0a692c726dee4758cdd6955e339782509d40d5e9cd6cd1b34a3d3