Analysis
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max time kernel
145s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
31-12-2023 03:47
Behavioral task
behavioral1
Sample
26e38123b1765924003f1438d988f54c.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
26e38123b1765924003f1438d988f54c.exe
Resource
win10v2004-20231215-en
General
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Target
26e38123b1765924003f1438d988f54c.exe
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Size
683KB
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MD5
26e38123b1765924003f1438d988f54c
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SHA1
1ba5c96ca22300e44d8da8f31eff71afb0f86d79
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SHA256
24e470b81ed3bc863c9384c0ca81de61d0618beedfcd35de1b3759d933635300
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SHA512
cb1f92492455923a03da29360c1bad407fb940812d6fc8173506c9e663be468f3331d74cf471b547803bceb7cef8eef3f5febea34d16824ba768017044bc546c
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SSDEEP
12288:vomB2fFbcjgAlMuzjyYJkFy43+PLEtAGK8uGtffrgFnxNOMfo33sUKpfcsFmcyom:vo1f1KRhS3OPLEtAGK8rdUFxXo33OpfW
Malware Config
Signatures
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resource yara_rule behavioral2/memory/3224-0-0x0000000000400000-0x00000000005B9000-memory.dmp upx behavioral2/memory/3224-63-0x0000000000400000-0x00000000005B9000-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 2876 3224 WerFault.exe 48 -
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" 26e38123b1765924003f1438d988f54c.exe Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\IESettingSync 26e38123b1765924003f1438d988f54c.exe Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" 26e38123b1765924003f1438d988f54c.exe Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch 26e38123b1765924003f1438d988f54c.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3224 26e38123b1765924003f1438d988f54c.exe 3224 26e38123b1765924003f1438d988f54c.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3224 26e38123b1765924003f1438d988f54c.exe 3224 26e38123b1765924003f1438d988f54c.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\26e38123b1765924003f1438d988f54c.exe"C:\Users\Admin\AppData\Local\Temp\26e38123b1765924003f1438d988f54c.exe"1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:3224 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 19562⤵
- Program crash
PID:2876
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3224 -ip 32241⤵PID:3520
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
10KB
MD5f543c80d4377311074c79b90fc7b34c6
SHA1fdf67aa00557f7c77cd7eb06539d8df6b74191ed
SHA2569f978b1064929b4ba5d4ed7f4d111b49066d072b8a12d136667950d4f413322b
SHA512125db97ec8d56417c885cf359e136d1ffd2d8f94312c031e2adcd37862efa6d2de2a0f2b697f6ca1b50cc124bf17b08d4b262ad8c91641dc47ccd3b92ee6a911
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Filesize
202KB
MD5a4fdd77e182bd2fabe300a47b5617a35
SHA1e002b335c75b5edefcd251962f61f53a2ab8e0f2
SHA2568b59592d67eadc703af6cdd5ba8d077f9f9485d01fb6405555614335f89be99b
SHA512ddcccde1c129f8f71fb39685abc615c4202b8b3dfc12cedd7d9cca2f97b308fc14b64497826421fa9df3d1cf54bdae9c085051af0a8d393cd3d556a6578d4085
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Filesize
89KB
MD5219073097031d9c1a95a1291d66f3a10
SHA12b7996b01d90b7f424f2a2e6063947461db4b2b2
SHA256232066e3f6f1351afdaee1acb70c409766641fd5669e0b55ce7c77fac0a857ef
SHA5129ad2745f96cf79a4d59393cc3fbb3958b244013f6798c12abe41e37fca80df3c7cedab4b47cbd197645c86b31077388ec8f01ea8d67c5feacbef95b1ae7582b5