Analysis
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max time kernel
149s -
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
06-12-2024 10:53
Static task
static1
Behavioral task
behavioral1
Sample
567756a0d8796c02b9c7e9efbf2c23a32e8a6a669968c16a869c9869ee9695e1.exe
Resource
win7-20240903-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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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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation 567756a0d8796c02b9c7e9efbf2c23a32e8a6a669968c16a869c9869ee9695e1.exe -
Executes dropped EXE 1 IoCs
pid Process 628 biudfw.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 6 IoCs
description pid Process procid_target PID 2244 wrote to memory of 628 2244 567756a0d8796c02b9c7e9efbf2c23a32e8a6a669968c16a869c9869ee9695e1.exe 84 PID 2244 wrote to memory of 628 2244 567756a0d8796c02b9c7e9efbf2c23a32e8a6a669968c16a869c9869ee9695e1.exe 84 PID 2244 wrote to memory of 628 2244 567756a0d8796c02b9c7e9efbf2c23a32e8a6a669968c16a869c9869ee9695e1.exe 84 PID 2244 wrote to memory of 2012 2244 567756a0d8796c02b9c7e9efbf2c23a32e8a6a669968c16a869c9869ee9695e1.exe 85 PID 2244 wrote to memory of 2012 2244 567756a0d8796c02b9c7e9efbf2c23a32e8a6a669968c16a869c9869ee9695e1.exe 85 PID 2244 wrote to memory of 2012 2244 567756a0d8796c02b9c7e9efbf2c23a32e8a6a669968c16a869c9869ee9695e1.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\567756a0d8796c02b9c7e9efbf2c23a32e8a6a669968c16a869c9869ee9695e1.exe"C:\Users\Admin\AppData\Local\Temp\567756a0d8796c02b9c7e9efbf2c23a32e8a6a669968c16a869c9869ee9695e1.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2244 -
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:628
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "2⤵
- System Location Discovery: System Language Discovery
PID:2012
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
66KB
MD58d66fe4e9839e0d2cc20880134b3011b
SHA17b8159db6380721e3deff6615a9f8f65a7d6eb0e
SHA2566a3fa67919170d4a736df11e17e678c39e39cf1cb62eda8f8a2a6b8c157b335d
SHA51243c1ab1677cce4ddff3fdb79b02e970168289ff3c28764e9227a9ccb8992ceb7653255f282f089fee753bdb39937746665e3659caee691b09468dc131375e414
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Filesize
512B
MD5efd90b3ac908d5482af367de3a82184a
SHA1de9f01d2ed0247b7b347e55c5a09721a60147fb9
SHA25644f3db1bb73bb207a88008ae28d0399f888b5714ccccb2056f4148b4455e693d
SHA5126e3355f895af1d81887d5750033c5a139e4a0e1c2c928aeef1fd37f9c191e754b1f524d252c229ea5e744dbef4dd0a8240d9d3443651d42de198e82a197afb02
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Filesize
338B
MD5131b3f713a213dfc05ca9aabdd4c76d7
SHA1e51794691eb144522dfbb7923b82e5e130726193
SHA25669313a5b17d31ba248afddec260627b2e308f7e7e7168e3fe1d6e0697c13adf0
SHA5128845396a24c7362fa566b614cca829e89f7b5ebe2446e63bf96b785d23d8c5ad7bb6e7460687223ebfa5e39214ba01a20ca786993f603c124ebdaf20c7d88d73