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Analysis
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max time kernel
93s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
05/02/2025, 06:00
Static task
static1
Behavioral task
behavioral1
Sample
e9ebd1526de38723c8b085e89df7a0cfd36c71ce341f3d39415b16ad509d9b6f.exe
Resource
win7-20241010-en
General
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Target
e9ebd1526de38723c8b085e89df7a0cfd36c71ce341f3d39415b16ad509d9b6f.exe
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Size
62KB
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MD5
d497443f4f5bbc3712ec75fdc06040a9
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SHA1
3a1b844f52fda2df338a4c7e8c7431edd07afa77
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SHA256
e9ebd1526de38723c8b085e89df7a0cfd36c71ce341f3d39415b16ad509d9b6f
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SHA512
9ae9220ac266a733bedb7561a6caf4cfccd0985bb4f1364980edae3b83ed19deb1e3eba86d7b30ab09892c8d81092836484177cb94f97af124092650b3ee0441
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SSDEEP
1536:aVeISHiT9tvJIH/H/FdP1TAPozIR6pWcaeCzY0:kUC5JWHv/ThlUovCzd
Malware Config
Extracted
urelas
112.175.88.209
112.175.88.207
112.175.88.208
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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation e9ebd1526de38723c8b085e89df7a0cfd36c71ce341f3d39415b16ad509d9b6f.exe -
Executes dropped EXE 1 IoCs
pid Process 4000 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 e9ebd1526de38723c8b085e89df7a0cfd36c71ce341f3d39415b16ad509d9b6f.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 3628 wrote to memory of 4000 3628 e9ebd1526de38723c8b085e89df7a0cfd36c71ce341f3d39415b16ad509d9b6f.exe 82 PID 3628 wrote to memory of 4000 3628 e9ebd1526de38723c8b085e89df7a0cfd36c71ce341f3d39415b16ad509d9b6f.exe 82 PID 3628 wrote to memory of 4000 3628 e9ebd1526de38723c8b085e89df7a0cfd36c71ce341f3d39415b16ad509d9b6f.exe 82 PID 3628 wrote to memory of 4680 3628 e9ebd1526de38723c8b085e89df7a0cfd36c71ce341f3d39415b16ad509d9b6f.exe 83 PID 3628 wrote to memory of 4680 3628 e9ebd1526de38723c8b085e89df7a0cfd36c71ce341f3d39415b16ad509d9b6f.exe 83 PID 3628 wrote to memory of 4680 3628 e9ebd1526de38723c8b085e89df7a0cfd36c71ce341f3d39415b16ad509d9b6f.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\e9ebd1526de38723c8b085e89df7a0cfd36c71ce341f3d39415b16ad509d9b6f.exe"C:\Users\Admin\AppData\Local\Temp\e9ebd1526de38723c8b085e89df7a0cfd36c71ce341f3d39415b16ad509d9b6f.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3628 -
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:4000
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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:4680
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
62KB
MD59ab5941d82e395b0c97dcdc915f9cffb
SHA1a6252d6a4ebb89ba026a1238fea1697b28246104
SHA25648a4ff754c0fae7be992f3084301c859fe8eb45aec5c6887d0aa2ca5d28681e8
SHA512528d9641746ce78450999ed6b6325894f8ca026ac5894d7adef8ee34b1e771f6d409f9f37897385fcaae6621ce09717918c9b439e000bf8755ab253f99198ab2
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Filesize
512B
MD5d59103b1966ee24e1a8e07516c079867
SHA15d29ce0f37cfed185b009a1b626e74e0afc53616
SHA256749cac214ac8dc6978628259eb795fc27cdf41d34241209c42547d6d6cd3702c
SHA51226ff74fa0c03e6679aca1f442be0a47aea5420b99cea30d24baa996fc0778f54e752efdc026417bf081e6974206ceb2dec6d895d5e7e126160795abd84fb6954
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Filesize
338B
MD52c0f4031481d8e4ce2e0977fb54a89ee
SHA11dedc6b49e29af2cd2edeb82827c53f548c2578b
SHA256668451d5f696cda09faedbe320d4c8c7a636bbda073402014fc7cf96ddca2bff
SHA512289b89108d27774b3f64cdeeed370e769bd8363c8eeb13f0e1de09b6d25342dd8dade543d8483db83b2d78c9f4b7a8b6edf98f0c85bccfc075af673fd1db20fa