Analysis
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max time kernel
130s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
19/01/2024, 09:23
Behavioral task
behavioral1
Sample
67435388dd6a9e35ae1e6ebcd80f0639.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
67435388dd6a9e35ae1e6ebcd80f0639.exe
Resource
win10v2004-20231222-en
General
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Target
67435388dd6a9e35ae1e6ebcd80f0639.exe
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Size
669KB
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MD5
67435388dd6a9e35ae1e6ebcd80f0639
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SHA1
d36bda14177c11ad01107040f93c32ce29a6a647
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SHA256
31a329b366c352a583ed7ea931ccbb6935756147c1f7771b881b11a5032ecb00
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SHA512
07eb4d9f9d0367c1910070eb940bfe352c0d9320e41a0d68d156ba59cdd4cb974b2d8178756c405e598ee4044c7398249a43e37bfb382323099ef0c7f78cb081
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SSDEEP
12288:l9HHqZWplu5q98tbtS/ZykP91MHfB7GvKowxNOMfl33sUKpfcsFmcyou2HlwGBhU:l9qeuk9utn0cfNzoMXl33OpfPFmcyouR
Malware Config
Signatures
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resource yara_rule behavioral2/memory/1400-0-0x0000000000400000-0x00000000005AC000-memory.dmp upx behavioral2/memory/1400-62-0x0000000000400000-0x00000000005AC000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 3184 1400 WerFault.exe 51 -
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ 67435388dd6a9e35ae1e6ebcd80f0639.exe Key created \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ 67435388dd6a9e35ae1e6ebcd80f0639.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1400 67435388dd6a9e35ae1e6ebcd80f0639.exe 1400 67435388dd6a9e35ae1e6ebcd80f0639.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1400 67435388dd6a9e35ae1e6ebcd80f0639.exe 1400 67435388dd6a9e35ae1e6ebcd80f0639.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\67435388dd6a9e35ae1e6ebcd80f0639.exe"C:\Users\Admin\AppData\Local\Temp\67435388dd6a9e35ae1e6ebcd80f0639.exe"1⤵
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1400 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1400 -s 25682⤵
- Program crash
PID:3184
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1400 -ip 14001⤵PID:3472
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
12KB
MD548444d7afa51abbd1c5d007f2de94495
SHA13a7810176f08379d24df6b31b0832dd154bd05d3
SHA2567d0a3c281fdf8f3fa822bc99a81458e904a211705d4c48f2b76485afed19c625
SHA51228fa59e9e38e8433445290dc1a5260f597cc2ecebaf25cdf4f6c4a8baf5be57c37a121a4ac533541862d5251c87cc36b77e9e82f73fca499999291e60db7b68e
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Filesize
202KB
MD5a4fdd77e182bd2fabe300a47b5617a35
SHA1e002b335c75b5edefcd251962f61f53a2ab8e0f2
SHA2568b59592d67eadc703af6cdd5ba8d077f9f9485d01fb6405555614335f89be99b
SHA512ddcccde1c129f8f71fb39685abc615c4202b8b3dfc12cedd7d9cca2f97b308fc14b64497826421fa9df3d1cf54bdae9c085051af0a8d393cd3d556a6578d4085
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Filesize
89KB
MD5219073097031d9c1a95a1291d66f3a10
SHA12b7996b01d90b7f424f2a2e6063947461db4b2b2
SHA256232066e3f6f1351afdaee1acb70c409766641fd5669e0b55ce7c77fac0a857ef
SHA5129ad2745f96cf79a4d59393cc3fbb3958b244013f6798c12abe41e37fca80df3c7cedab4b47cbd197645c86b31077388ec8f01ea8d67c5feacbef95b1ae7582b5