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Analysis
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max time kernel
101s -
max time network
103s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
21/10/2024, 06:53
Behavioral task
behavioral1
Sample
c58f0c7b9a428038d20f5819839bf551144185868cf77ac5a9bb024bd7d61a30N.exe
Resource
win7-20240903-en
General
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Target
c58f0c7b9a428038d20f5819839bf551144185868cf77ac5a9bb024bd7d61a30N.exe
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Size
475KB
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MD5
500a01c76e42e2772ec258609109c4c0
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SHA1
13488794a902f65780dbf320cedbd44050425685
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SHA256
c58f0c7b9a428038d20f5819839bf551144185868cf77ac5a9bb024bd7d61a30
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SHA512
6f48c34d604e140ccb1e2aba16771f2d40dc02e6bda7a1adf11c50600a589a27ef94cfe539ba7a2bd4bb4ec12c759ad584261979a7c8e77f4e124dad4b419261
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SSDEEP
12288:93CtSokfFGUMKwlTIU/b37dJ75WEe+eKTxB6mZD:9x9GzHlTv/b35tecFB6Y
Malware Config
Extracted
urelas
121.88.5.183
121.88.5.184
Signatures
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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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation c58f0c7b9a428038d20f5819839bf551144185868cf77ac5a9bb024bd7d61a30N.exe -
Executes dropped EXE 1 IoCs
pid Process 3460 sander.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 sander.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c58f0c7b9a428038d20f5819839bf551144185868cf77ac5a9bb024bd7d61a30N.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4212 wrote to memory of 3460 4212 c58f0c7b9a428038d20f5819839bf551144185868cf77ac5a9bb024bd7d61a30N.exe 87 PID 4212 wrote to memory of 3460 4212 c58f0c7b9a428038d20f5819839bf551144185868cf77ac5a9bb024bd7d61a30N.exe 87 PID 4212 wrote to memory of 3460 4212 c58f0c7b9a428038d20f5819839bf551144185868cf77ac5a9bb024bd7d61a30N.exe 87 PID 4212 wrote to memory of 2228 4212 c58f0c7b9a428038d20f5819839bf551144185868cf77ac5a9bb024bd7d61a30N.exe 88 PID 4212 wrote to memory of 2228 4212 c58f0c7b9a428038d20f5819839bf551144185868cf77ac5a9bb024bd7d61a30N.exe 88 PID 4212 wrote to memory of 2228 4212 c58f0c7b9a428038d20f5819839bf551144185868cf77ac5a9bb024bd7d61a30N.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\c58f0c7b9a428038d20f5819839bf551144185868cf77ac5a9bb024bd7d61a30N.exe"C:\Users\Admin\AppData\Local\Temp\c58f0c7b9a428038d20f5819839bf551144185868cf77ac5a9bb024bd7d61a30N.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4212 -
C:\Users\Admin\AppData\Local\Temp\sander.exe"C:\Users\Admin\AppData\Local\Temp\sander.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3460
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_sannuyex.bat" "2⤵
- System Location Discovery: System Language Discovery
PID:2228
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
343B
MD5d2642ab664ff50eaa0c5ea3d1835ddc6
SHA1ddcdc6701e61a02ccae099385ff45ae089867d8f
SHA256c72e4cf033c0b826df061117495a30896580a239698da1a7f3aecfba760f5026
SHA512ffb34d62e3173240ce78701ca3491be6e77c2144fea39400a97426cd21236d0b6a76c494e672eb7424509009eaa862d32500fa638bb48635ace13f8b9991144e
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Filesize
512B
MD5145cec05d8d704ff7aa3d812b1aff628
SHA1097ae09965ed3804359803708b8af87b5b90fcbb
SHA25666c8ae290d7cf992faf67b10d1ef8ad91857f3709f459af69b6a11f521a3aeea
SHA5121037d7926aec2831c8b084cc19aa38ce91bc8dcff15af731ce0e7cea79fa7806d4d341a9535c39b0ccb8d6f19bc2badf6d20d3b4ab1c931cd5be6994c4323b9d
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Filesize
476KB
MD58a5dea0cc357e1175bfd387e221d5d48
SHA1eb717cb4220545bc672db531e2d5eef52a877157
SHA256449938abe42f52b207be218c411ca44fdc150279d6fc3896d84c1e1a0470765f
SHA5127d1fe75fcc11890a8e8749e9bae0aacf88b13555d3763f4ffd6defed3b290417bdb2222a02fd0a0272dd1a2a93fec63dc3a151571987a0218e16347ae5aa82f1