Overview
overview
10Static
static
366a5a52938...42.exe
windows7-x64
1066a5a52938...42.exe
windows10-2004-x64
10$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDIR/UAC.dll
windows7-x64
3$PLUGINSDIR/UAC.dll
windows10-2004-x64
3$PLUGINSDI...fo.dll
windows7-x64
3$PLUGINSDI...fo.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows7-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...ec.dll
windows7-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3$TEMP/putt...en.bat
windows7-x64
10$TEMP/putt...en.bat
windows10-2004-x64
10General
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Target
66a5a529386533e25316942993772042.exe
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Size
5.9MB
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Sample
240531-ycz6gsag9v
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MD5
66a5a529386533e25316942993772042
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SHA1
053d0d7f4cb6e3952e849f02bbfbdb4d39021146
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SHA256
713a497c8da97c2082758fd31147539f408a72b62041c6c9ed77037021621e94
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SHA512
9f4f69e9d1a3265311cd9f4bb9a254f157e1e0b7536466e88449f410f297d501d10448b170901206fff0ffde6d7e8a50b84e391fd62ff0f9355b506959cc336a
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SSDEEP
98304:6QqmVoQ/tUAh8ggYJCHtEFy3X1mDyV/w4qp/tkC9+yZ+KZ8dSHLNejiRuO+4GiW:6QqmVo481z1mYbWSCeKhxqr7h
Static task
static1
Behavioral task
behavioral1
Sample
66a5a529386533e25316942993772042.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
66a5a529386533e25316942993772042.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240419-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/UAC.dll
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/UAC.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win7-20240508-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral13
Sample
$TEMP/putty/Smartscreen.bat
Resource
win7-20240221-en
Behavioral task
behavioral14
Sample
$TEMP/putty/Smartscreen.bat
Resource
win10v2004-20240426-en
Malware Config
Extracted
http://94.103.188.126/jerry/putty.zip
Targets
-
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Target
66a5a529386533e25316942993772042.exe
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Size
5.9MB
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MD5
66a5a529386533e25316942993772042
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SHA1
053d0d7f4cb6e3952e849f02bbfbdb4d39021146
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SHA256
713a497c8da97c2082758fd31147539f408a72b62041c6c9ed77037021621e94
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SHA512
9f4f69e9d1a3265311cd9f4bb9a254f157e1e0b7536466e88449f410f297d501d10448b170901206fff0ffde6d7e8a50b84e391fd62ff0f9355b506959cc336a
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SSDEEP
98304:6QqmVoQ/tUAh8ggYJCHtEFy3X1mDyV/w4qp/tkC9+yZ+KZ8dSHLNejiRuO+4GiW:6QqmVo481z1mYbWSCeKhxqr7h
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Blocklisted process makes network request
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Executes dropped EXE
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Loads dropped DLL
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Legitimate hosting services abused for malware hosting/C2
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-
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Target
$PLUGINSDIR/System.dll
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Size
11KB
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MD5
bf712f32249029466fa86756f5546950
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SHA1
75ac4dc4808ac148ddd78f6b89a51afbd4091c2e
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SHA256
7851cb12fa4131f1fee5de390d650ef65cac561279f1cfe70ad16cc9780210af
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SHA512
13f69959b28416e0b8811c962a49309dca3f048a165457051a28a3eb51377dcaf99a15e86d7eee8f867a9e25ecf8c44da370ac8f530eeae7b5252eaba64b96f4
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SSDEEP
192:0N2gQuUwXzioj4KALV2upWzVd7q1QDXEbBZ8KxHdGzyS/Kx:rJoiO8V2upW7vQjS/
Score3/10 -
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Target
$PLUGINSDIR/UAC.dll
-
Size
14KB
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MD5
adb29e6b186daa765dc750128649b63d
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SHA1
160cbdc4cb0ac2c142d361df138c537aa7e708c9
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SHA256
2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08
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SHA512
b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada
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SSDEEP
192:DiF6v2imI36Op/tGZGfWxdyWHD0I53vLl7WVl8e04IpDlPjs:DGVY6ClGoWxXH75T1WVl83lLs
Score3/10 -
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Target
$PLUGINSDIR/UserInfo.dll
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Size
4KB
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MD5
c7ce0e47c83525983fd2c4c9566b4aad
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SHA1
38b7ad7bb32ffae35540fce373b8a671878dc54e
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SHA256
6293408a5fa6d0f55f0a4d01528eb5b807ee9447a75a28b5986267475ebcd3ae
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SHA512
ee9f23ea5210f418d4c559628bbfb3a0f892440bcd5dc4c1901cb8e510078e4481ea8353b262795076a19055e70b88e08fee5fb7e8f35a6f49022096408df20e
Score3/10 -
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Target
$PLUGINSDIR/nsDialogs.dll
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Size
9KB
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MD5
4ccc4a742d4423f2f0ed744fd9c81f63
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SHA1
704f00a1acc327fd879cf75fc90d0b8f927c36bc
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SHA256
416133dd86c0dff6b0fcaf1f46dfe97fdc85b37f90effb2d369164a8f7e13ae6
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SHA512
790c5eb1f8b297e45054c855b66dfc18e9f3f1b1870559014dbefa3b9d5b6d33a993a9e089202e70f51a55d859b74e8605c6f633386fd9189b6f78941bf1bfdb
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SSDEEP
192:SbEunjqjIcESwFlioU3M0LLF/t8t9pKSfOi:SbESjFCw6oWPFl8jfOi
Score3/10 -
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Target
$PLUGINSDIR/nsExec.dll
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Size
6KB
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MD5
132e6153717a7f9710dcea4536f364cd
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SHA1
e39bc82c7602e6dd0797115c2bd12e872a5fb2ab
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SHA256
d29afce2588d8dd7bb94c00ca91cac0e85b80ffa6b221f5ffcb83a2497228eb2
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SHA512
9aeb0b3051ce07fb9f03dfee7cea4a5e423425e48cb538173bd2a167817f867a30bd4d27d07875f27ca00031745b24547030b7f146660b049fa717590f1c77e1
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SSDEEP
96:M/SspqrIYxLPEQhThvov3TE4/2Sa5P9QFFYzOx4uF3sbSEI5LP39sQvM:M/QUG7lhvov36S5FcUjliSEI5LuQ
Score3/10 -
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Target
$TEMP/putty/Smartscreen.bat
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Size
238B
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MD5
f6423b02fa9b2de5b162826b26c0dc56
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SHA1
01e7e79e6018c629ca11bc30f15a1a3e6988773e
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SHA256
59f52a56309ecb5c9c256a88db12a60403e5b0a8c0b8c013e7f6c9c5c395ff83
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SHA512
5974e3a1bfe84719a2af614995f821d1c0a751b2ef2b39a3f6087c31dec609eb57d0824a28304e68365b75a0c7a3978aa28ed26c8f392976bd3337c1e8561459
Score10/10-
Blocklisted process makes network request
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Executes dropped EXE
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Legitimate hosting services abused for malware hosting/C2
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