Analysis
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max time kernel
92s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
19-11-2024 01:16
Static task
static1
Behavioral task
behavioral1
Sample
dd9d798378ebf628908c73cfc8294f7c6442fdb9fcf95e19fd0cc155668d9d68.exe
Resource
win7-20241010-en
General
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Target
dd9d798378ebf628908c73cfc8294f7c6442fdb9fcf95e19fd0cc155668d9d68.exe
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Size
66KB
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MD5
fd542f27e63cefa1e19c82af964d29f8
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SHA1
bf4db0dfd51e3ba49406d5b08da935bbf701a457
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SHA256
dd9d798378ebf628908c73cfc8294f7c6442fdb9fcf95e19fd0cc155668d9d68
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SHA512
5270df660ff01f6421b2ca7d7ffecef687bc0f4e2c32f65864002f565e44a178fd6cab3bb13b0d16382764d1d51322aea4d36e662dfd3cbc5236399b77f1c7a3
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SSDEEP
1536:6bQx5oPsr2vFxDPhAvzgAQzFZ77MzeTmUD0l:6bQRSHpAvzyf7MzeThD0l
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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation dd9d798378ebf628908c73cfc8294f7c6442fdb9fcf95e19fd0cc155668d9d68.exe -
Executes dropped EXE 1 IoCs
pid Process 3772 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 biudfw.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dd9d798378ebf628908c73cfc8294f7c6442fdb9fcf95e19fd0cc155668d9d68.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1032 wrote to memory of 3772 1032 dd9d798378ebf628908c73cfc8294f7c6442fdb9fcf95e19fd0cc155668d9d68.exe 88 PID 1032 wrote to memory of 3772 1032 dd9d798378ebf628908c73cfc8294f7c6442fdb9fcf95e19fd0cc155668d9d68.exe 88 PID 1032 wrote to memory of 3772 1032 dd9d798378ebf628908c73cfc8294f7c6442fdb9fcf95e19fd0cc155668d9d68.exe 88 PID 1032 wrote to memory of 1696 1032 dd9d798378ebf628908c73cfc8294f7c6442fdb9fcf95e19fd0cc155668d9d68.exe 89 PID 1032 wrote to memory of 1696 1032 dd9d798378ebf628908c73cfc8294f7c6442fdb9fcf95e19fd0cc155668d9d68.exe 89 PID 1032 wrote to memory of 1696 1032 dd9d798378ebf628908c73cfc8294f7c6442fdb9fcf95e19fd0cc155668d9d68.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\dd9d798378ebf628908c73cfc8294f7c6442fdb9fcf95e19fd0cc155668d9d68.exe"C:\Users\Admin\AppData\Local\Temp\dd9d798378ebf628908c73cfc8294f7c6442fdb9fcf95e19fd0cc155668d9d68.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1032 -
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:3772
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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:1696
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
66KB
MD552122c766d28f9f634c94b11982a4855
SHA137f9eeaed3cfbbeeb0933f527ea49a1f28d006ac
SHA2568c158c2057831c4df74d99d2c6f2acb2a4b634ba20bc27056ed62ae2448a8dbf
SHA51205055fd8fc980d6e8105852eb03f3e88c79d85ec78123d66a87f53f1ab08ec731e851e75da6454768cfc29eb397f15944e1512839d94773645dfd92c5e29e185
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Filesize
512B
MD5efd90b3ac908d5482af367de3a82184a
SHA1de9f01d2ed0247b7b347e55c5a09721a60147fb9
SHA25644f3db1bb73bb207a88008ae28d0399f888b5714ccccb2056f4148b4455e693d
SHA5126e3355f895af1d81887d5750033c5a139e4a0e1c2c928aeef1fd37f9c191e754b1f524d252c229ea5e744dbef4dd0a8240d9d3443651d42de198e82a197afb02
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Filesize
338B
MD56530ae2f9fc734987c714c2715ee4fbd
SHA1c634d81a5217641cf500d57c60425f3634344ff8
SHA256eebb381b3d4baa3c58341dcc55af8b8d88a315f6bbb29040f4e00f8365a42761
SHA512f19acdea465a59501e44b8e690e8022a06230191a21f52126f1271307617875e322f740259c726c05a93f73553722ca32b85ad8fcfff790c8bc57f0cae6e9974