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Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
06/12/2024, 10:49
Static task
static1
Behavioral task
behavioral1
Sample
567756a0d8796c02b9c7e9efbf2c23a32e8a6a669968c16a869c9869ee9695e1.exe
Resource
win7-20240708-en
General
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Target
567756a0d8796c02b9c7e9efbf2c23a32e8a6a669968c16a869c9869ee9695e1.exe
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Size
66KB
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MD5
529f11466b4c7d9513bb876bc177ff8d
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SHA1
b37caf70335e7267bfd948a3c00b8136b1cf64ba
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SHA256
567756a0d8796c02b9c7e9efbf2c23a32e8a6a669968c16a869c9869ee9695e1
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SHA512
315fa071077cdb07664873bbf83de45dce63e546217fe7d553553adf2cab2a10b7ef001ddd70f38b7a6b91bb67f0d22ef457613b8f2c01dc02008c54f8ab5e96
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SSDEEP
1536:6bQx5oPsr2vFxDPhAvzgAQzFZ77MzeTmUD0j:6bQRSHpAvzyf7MzeThD0j
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 2716 cmd.exe -
Executes dropped EXE 1 IoCs
pid Process 1768 biudfw.exe -
Loads dropped DLL 1 IoCs
pid Process 528 567756a0d8796c02b9c7e9efbf2c23a32e8a6a669968c16a869c9869ee9695e1.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 567756a0d8796c02b9c7e9efbf2c23a32e8a6a669968c16a869c9869ee9695e1.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
description pid Process procid_target PID 528 wrote to memory of 1768 528 567756a0d8796c02b9c7e9efbf2c23a32e8a6a669968c16a869c9869ee9695e1.exe 30 PID 528 wrote to memory of 1768 528 567756a0d8796c02b9c7e9efbf2c23a32e8a6a669968c16a869c9869ee9695e1.exe 30 PID 528 wrote to memory of 1768 528 567756a0d8796c02b9c7e9efbf2c23a32e8a6a669968c16a869c9869ee9695e1.exe 30 PID 528 wrote to memory of 1768 528 567756a0d8796c02b9c7e9efbf2c23a32e8a6a669968c16a869c9869ee9695e1.exe 30 PID 528 wrote to memory of 2716 528 567756a0d8796c02b9c7e9efbf2c23a32e8a6a669968c16a869c9869ee9695e1.exe 31 PID 528 wrote to memory of 2716 528 567756a0d8796c02b9c7e9efbf2c23a32e8a6a669968c16a869c9869ee9695e1.exe 31 PID 528 wrote to memory of 2716 528 567756a0d8796c02b9c7e9efbf2c23a32e8a6a669968c16a869c9869ee9695e1.exe 31 PID 528 wrote to memory of 2716 528 567756a0d8796c02b9c7e9efbf2c23a32e8a6a669968c16a869c9869ee9695e1.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\567756a0d8796c02b9c7e9efbf2c23a32e8a6a669968c16a869c9869ee9695e1.exe"C:\Users\Admin\AppData\Local\Temp\567756a0d8796c02b9c7e9efbf2c23a32e8a6a669968c16a869c9869ee9695e1.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:528 -
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:1768
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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:2716
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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
MD5131b3f713a213dfc05ca9aabdd4c76d7
SHA1e51794691eb144522dfbb7923b82e5e130726193
SHA25669313a5b17d31ba248afddec260627b2e308f7e7e7168e3fe1d6e0697c13adf0
SHA5128845396a24c7362fa566b614cca829e89f7b5ebe2446e63bf96b785d23d8c5ad7bb6e7460687223ebfa5e39214ba01a20ca786993f603c124ebdaf20c7d88d73
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Filesize
66KB
MD52fff40e87047514e1fb132b15fdba750
SHA1b93597e243d2c177e89e3112e5736e63b2325230
SHA25628e74662da049e2dde0449a2b04039e84335461633a6ddf167b544c00e5be589
SHA512a0f4da6de90f17ca557238496bbf55b2c160daeebae7fc442ce6120084fb31beffd7aabb971f08e54de688953916138e192e8fb1de3e36050106c5cdffa7ad92