Malware Analysis Report

2024-11-30 12:58

Sample ID 240811-s88jvazhna
Target source_assembled.exe
SHA256 e68b6c1663e7df52fdc4171a6b4c6247ad31a4919813eda7f0c496439cf89aad
Tags
pyinstaller pysilon
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

e68b6c1663e7df52fdc4171a6b4c6247ad31a4919813eda7f0c496439cf89aad

Threat Level: Known bad

The file source_assembled.exe was found to be: Known bad.

Malicious Activity Summary

pyinstaller pysilon

Pysilon family

Detect Pysilon

Loads dropped DLL

Detects Pyinstaller

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-08-11 15:48

Signatures

Detect Pysilon

Description Indicator Process Target
N/A N/A N/A N/A

Pysilon family

pysilon

Detects Pyinstaller

pyinstaller
Description Indicator Process Target
N/A N/A N/A N/A

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-11 15:48

Reported

2024-08-11 15:51

Platform

win10v2004-20240802-en

Max time kernel

138s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\source_assembled.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\source_assembled.exe

"C:\Users\Admin\AppData\Local\Temp\source_assembled.exe"

C:\Users\Admin\AppData\Local\Temp\source_assembled.exe

"C:\Users\Admin\AppData\Local\Temp\source_assembled.exe"

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c "ver"

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
NL 52.111.243.31:443 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\_MEI42722\setuptools\_vendor\inflect-7.3.1.dist-info\INSTALLER

MD5 365c9bfeb7d89244f2ce01c1de44cb85
SHA1 d7a03141d5d6b1e88b6b59ef08b6681df212c599
SHA256 ceebae7b8927a3227e5303cf5e0f1f7b34bb542ad7250ac03fbcde36ec2f1508
SHA512 d220d322a4053d84130567d626a9f7bb2fb8f0b854da1621f001826dc61b0ed6d3f91793627e6f0ac2ac27aea2b986b6a7a63427f05fe004d8a2adfbdadc13c1

C:\Users\Admin\AppData\Local\Temp\_MEI42722\setuptools\_vendor\jaraco.text-3.12.1.dist-info\LICENSE

MD5 141643e11c48898150daa83802dbc65f
SHA1 0445ed0f69910eeaee036f09a39a13c6e1f37e12
SHA256 86da0f01aeae46348a3c3d465195dc1ceccde79f79e87769a64b8da04b2a4741
SHA512 ef62311602b466397baf0b23caca66114f8838f9e78e1b067787ceb709d09e0530e85a47bbcd4c5a0905b74fdb30df0cc640910c6cc2e67886e5b18794a3583f

C:\Users\Admin\AppData\Local\Temp\_MEI42722\setuptools\_vendor\jaraco.text-3.12.1.dist-info\WHEEL

MD5 43136dde7dd276932f6197bb6d676ef4
SHA1 6b13c105452c519ea0b65ac1a975bd5e19c50122
SHA256 189eedfe4581172c1b6a02b97a8f48a14c0b5baa3239e4ca990fbd8871553714
SHA512 e7712ba7d36deb083ebcc3b641ad3e7d19fb071ee64ae3a35ad6a50ee882b20cd2e60ca1319199df12584fe311a6266ec74f96a3fb67e59f90c7b5909668aee1

C:\Users\Admin\AppData\Local\Temp\_MEI42722\python312.dll

MD5 cae8fa4e7cb32da83acf655c2c39d9e1
SHA1 7a0055588a2d232be8c56791642cb0f5abbc71f8
SHA256 8ad53c67c2b4db4387d5f72ee2a3ca80c40af444b22bf41a6cfda2225a27bb93
SHA512 db2190da2c35bceed0ef91d7553ff0dea442286490145c3d0e89db59ba1299b0851e601cc324b5f7fd026414fc73755e8eff2ef5fb5eeb1c54a9e13e7c66dd0c

C:\Users\Admin\AppData\Local\Temp\_MEI42722\VCRUNTIME140.dll

MD5 be8dbe2dc77ebe7f88f910c61aec691a
SHA1 a19f08bb2b1c1de5bb61daf9f2304531321e0e40
SHA256 4d292623516f65c80482081e62d5dadb759dc16e851de5db24c3cbb57b87db83
SHA512 0da644472b374f1da449a06623983d0477405b5229e386accadb154b43b8b083ee89f07c3f04d2c0c7501ead99ad95aecaa5873ff34c5eeb833285b598d5a655

C:\Users\Admin\AppData\Local\Temp\_MEI42722\base_library.zip

MD5 48ba559bf70c3ef963f86633530667d6
SHA1 e3319e3a70590767ad00290230d77158f8f8307e
SHA256 f8377aa03b7036e7735e2814452c1759ab7ceec3f8f8a202b697b4132809ce5e
SHA512 567a7bef4a7c7ff0890708c0e62d2af748b645c8b9071953873b0dd5aa789c42796860896a6b5e539651de9a2243338e2a5fb47743c30dfcde59b1787c4c1871

C:\Users\Admin\AppData\Local\Temp\_MEI42722\libcrypto-3.dll

MD5 e547cf6d296a88f5b1c352c116df7c0c
SHA1 cafa14e0367f7c13ad140fd556f10f320a039783
SHA256 05fe080eab7fc535c51e10c1bd76a2f3e6217f9c91a25034774588881c3f99de
SHA512 9f42edf04c7af350a00fa4fdf92b8e2e6f47ab9d2d41491985b20cd0adde4f694253399f6a88f4bdd765c4f49792f25fb01e84ec03fd5d0be8bb61773d77d74d

C:\Users\Admin\AppData\Local\Temp\_MEI42722\_wmi.pyd

MD5 bed7b0ced98fa065a9b8fe62e328713f
SHA1 e329ebca2df8889b78ce666e3fb909b4690d2daa
SHA256 5818679010bb536a3d463eeee8ce203e880a8cd1c06bf1cb6c416ab0dc024d94
SHA512 c95f7bb6ca9afba50bf0727e971dff7326ce0e23a4bfa44d62f2ed67ed5fede1b018519dbfa0ed3091d485ed0ace68b52dd0bb2921c9c1e3bc1fa875cd3d2366

C:\Users\Admin\AppData\Local\Temp\_MEI42722\_ssl.pyd

MD5 6a2b0f8f50b47d05f96deff7883c1270
SHA1 2b1aeb6fe9a12e0d527b042512fc8890eedb10d8
SHA256 68dad60ff6fb36c88ef1c47d1855517bfe8de0f5ddea0f630b65b622a645d53a
SHA512 a080190d4e7e1abb186776ae6e83dab4b21a77093a88fca59ce1f63c683f549a28d094818a0ee44186ddea2095111f1879008c0d631fc4a8d69dd596ef76ca37

C:\Users\Admin\AppData\Local\Temp\_MEI42722\_sqlite3.pyd

MD5 f8869058c1f6f6352309d774c0fefde9
SHA1 4a9fd6c93785c6b6c53f33946e9b1ca5db52a4e9
SHA256 fb00951d39084e88871c813d6c4043ce8afb60ab6d012e699ddd607baa10f6e1
SHA512 37205b755985cdbb16f806cda8e7637164d1d62f410ea07501739215b9e410e91997110600ead999d726cb15ec4aef3abf673e7ad47d3ca076457c89ea2b401c

C:\Users\Admin\AppData\Local\Temp\_MEI42722\_socket.pyd

MD5 e43aed7d6a8bcd9ddfc59c2d1a2c4b02
SHA1 36f367f68fb9868412246725b604b27b5019d747
SHA256 2c2a6a6ba360e38f0c2b5a53b4626f833a3111844d95615ebf35be0e76b1ef7a
SHA512 d92e26eb88db891de389a464f850a8da0a39af8a4d86d9894768cb97182b8351817ce14fe1eb8301b18b80d1d5d8876a48ba66eb7b874c7c3d7b009fcdbc8c4e

C:\Users\Admin\AppData\Local\Temp\_MEI42722\_queue.pyd

MD5 7d91dd8e5f1dbc3058ea399f5f31c1e6
SHA1 b983653b9f2df66e721ece95f086c2f933d303fc
SHA256 76bba42b1392dc57a867aef385b990fa302a4f1dcf453705ac119c9c98a36e8d
SHA512 b8e7369da79255a4bb2ed91ba0c313b4578ee45c94e6bc74582fc14f8b2984ed8fcda0434a5bd3b72ea704e6e8fd8cbf1901f325e774475e4f28961483d6c7cf

C:\Users\Admin\AppData\Local\Temp\_MEI42722\_overlapped.pyd

MD5 df92ea698a3d0729b70a4306bbe3029f
SHA1 b82f3a43568148c64a46e2774aec39bf1f2d3c1e
SHA256 46dec978ec8cb2146854739bfeddea93335dcc92a25d719352b94f9517855032
SHA512 bdebafe1b40244a0cb6c97e75424f79cfe395774a9d03cdb02f82083110c1f4bdcac2819ba1845ad1c56e2d2e6506dcc1833e4eb269bb0f620f0eb73b4d47817

C:\Users\Admin\AppData\Local\Temp\_MEI42722\_multiprocessing.pyd

MD5 eb859fc7f54cba118a321440ad088096
SHA1 9d3c410240f4c5269e07ffbde43d6f5e7cc30b44
SHA256 14bdd15d60b9d6141009aeedc606007c42b46c779a523d21758e57cf126dc2a4
SHA512 694a9c1cc3dc78b47faedf66248ff078e5090cfab22e95c123fb99b10192a5748748a5f0937ffd9fd8e1873ad48f290be723fe194b7eb2a731add7f5fb776c4a

C:\Users\Admin\AppData\Local\Temp\_MEI42722\_decimal.pyd

MD5 cea3b419c7ca87140a157629c6dbd299
SHA1 7dbff775235b1937b150ae70302b3208833dc9be
SHA256 95b9850e6fb335b235589dd1348e007507c6b28e332c9abb111f2a0035c358e5
SHA512 6e3a6781c0f05bb5182073cca1e69b6df55f05ff7cdcea394bacf50f88605e2241b7387f1d8ba9f40a96832d04f55edb80003f0cf1e537a26f99408ee9312f5b

C:\Users\Admin\AppData\Local\Temp\_MEI42722\_hashlib.pyd

MD5 d19cb5ca144ae1fd29b6395b0225cf40
SHA1 5b9ec6e656261ce179dfcfd5c6a3cfe07c2dfeb4
SHA256 f95ec2562a3c70fb1a6e44d72f4223ce3c7a0f0038159d09dce629f59591d5aa
SHA512 9ac3a8a4dbdb09be3760e7ccb11269f82a47b24c03d10d289bcdded9a43e57d3cd656f8d060d66b810382ecac3a62f101f83ea626b58cd0b5a3cca25b67b1519

C:\Users\Admin\AppData\Local\Temp\_MEI42722\_lzma.pyd

MD5 8cfbafe65d6e38dde8e2e8006b66bb3e
SHA1 cb63addd102e47c777d55753c00c29c547e2243c
SHA256 6d548db0ab73291f82cf0f4ca9ec0c81460185319c8965e829faeacae19444ff
SHA512 fa021615d5c080aadcd5b84fd221900054eb763a7af8638f70cf6cd49bd92773074f1ac6884f3ce1d8a15d59439f554381377faee4842ed5beb13ff3e1b510f4

C:\Users\Admin\AppData\Local\Temp\_MEI42722\_bz2.pyd

MD5 dd26ed92888de9c57660a7ad631bb916
SHA1 77d479d44d9e04f0a1355569332233459b69a154
SHA256 324268786921ec940cbd4b5e2f71dafd08e578a12e373a715658527e5b211697
SHA512 d693367565005c1b87823e781dc5925146512182c8d8a3a2201e712c88df1c0e66e65ecaec9af22037f0a8f8b3fb3f511ea47cfd5774651d71673fab612d2897

C:\Users\Admin\AppData\Local\Temp\_MEI42722\_asyncio.pyd

MD5 cc0f232f2a8a359dee29a573667e6d77
SHA1 d3ffbf5606d9c77a0de0b7456f7a5314f420b1f7
SHA256 7a5c88ce496bafdf31a94ae6d70b017070703bc0a7da1dfae7c12b21bb61030d
SHA512 48484177bf55179607d66f5a5837a35cd586e8a9fb185de8b10865aab650b056a61d1dc96370c5efc6955ccb4e34b31810f8e1c8f5f02d268f565a73b4ff5657

C:\Users\Admin\AppData\Local\Temp\_MEI42722\VCRUNTIME140_1.dll

MD5 f8dfa78045620cf8a732e67d1b1eb53d
SHA1 ff9a604d8c99405bfdbbf4295825d3fcbc792704
SHA256 a113f192195f245f17389e6ecbed8005990bcb2476ddad33f7c4c6c86327afe5
SHA512 ba7f8b7ab0deb7a7113124c28092b543e216ca08d1cf158d9f40a326fb69f4a2511a41a59ea8482a10c9ec4ec8ac69b70dfe9ca65e525097d93b819d498da371

C:\Users\Admin\AppData\Local\Temp\_MEI42722\select.pyd

MD5 79ce1ae3a23dff6ed5fc66e6416600cd
SHA1 6204374d99144b0a26fd1d61940ff4f0d17c2212
SHA256 678e09ad44be42fa9bc9c7a18c25dbe995a59b6c36a13eecc09c0f02a647b6f0
SHA512 a4e48696788798a7d061c0ef620d40187850741c2bec357db0e37a2dd94d3a50f9f55ba75dc4d95e50946cbab78b84ba1fc42d51fd498640a231321566613daa

C:\Users\Admin\AppData\Local\Temp\_MEI42722\unicodedata.pyd

MD5 b848e259fabaf32b4b3c980a0a12488d
SHA1 da2e864e18521c86c7d8968db74bb2b28e4c23e2
SHA256 c65073b65f107e471c9be3c699fb11f774e9a07581f41229582f7b2154b6fc3c
SHA512 4c6953504d1401fe0c74435bceebc5ec7bf8991fd42b659867a3529cee5cc64da54f1ab404e88160e747887a7409098f1a85a546bc40f12f0dde0025408f9e27

C:\Users\Admin\AppData\Local\Temp\_MEI42722\pyexpat.pyd

MD5 815f1bdabb79c6a12b38d84aa343196d
SHA1 916483149875a5e20c6046ceffef62dd6089ddd5
SHA256 31712ae276e2ced05ecda3e1c08fbbcc2cff8474a972626aba55f7797f0ed8c9
SHA512 1078e7e48b6f6ed160ae2bccf80a43a5f1cca769b8a690326e112bf20d7f3d018f855f6aa3b56d315dc0853472e0affcfe8e910b5ce69ce952983cfaa496c21d

C:\Users\Admin\AppData\Local\Temp\_MEI42722\setuptools\_vendor\jaraco\text\Lorem ipsum.txt

MD5 4ce7501f6608f6ce4011d627979e1ae4
SHA1 78363672264d9cd3f72d5c1d3665e1657b1a5071
SHA256 37fedcffbf73c4eb9f058f47677cb33203a436ff9390e4d38a8e01c9dad28e0b
SHA512 a4cdf92725e1d740758da4dd28df5d1131f70cef46946b173fe6956cc0341f019d7c4fecc3c9605f354e1308858721dada825b4c19f59c5ad1ce01ab84c46b24

C:\Users\Admin\AppData\Local\Temp\_MEI42722\libssl-3.dll

MD5 19a2aba25456181d5fb572d88ac0e73e
SHA1 656ca8cdfc9c3a6379536e2027e93408851483db
SHA256 2e9fbcd8f7fdc13a5179533239811456554f2b3aa2fb10e1b17be0df81c79006
SHA512 df17dc8a882363a6c5a1b78ba3cf448437d1118ccc4a6275cc7681551b13c1a4e0f94e30ffb94c3530b688b62bff1c03e57c2c185a7df2bf3e5737a06e114337

C:\Users\Admin\AppData\Local\Temp\_MEI42722\sqlite3.dll

MD5 956ef70f60fb099d31a79fa7334359ad
SHA1 336a78492c0e10fab4baa0add7552e52f61dd110
SHA256 809c7b48b73c95b361d13c753e7a6e3c83124a27e18aac81df7c876f32e98e00
SHA512 7fd74b92e32a385b193264d0f08a390eec672e508ef85bf0439bdb713a9c8909688f845bcacd4adb3dd91b08a3eb40ae32532a08fc9378ed4530646fb871fd50

C:\Users\Admin\AppData\Local\Temp\_MEI42722\libffi-8.dll

MD5 0f8e4992ca92baaf54cc0b43aaccce21
SHA1 c7300975df267b1d6adcbac0ac93fd7b1ab49bd2
SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
SHA512 6e1b223462dc124279bfca74fd2c66fe18b368ffbca540c84e82e0f5bcbea0e10cc243975574fa95ace437b9d8b03a446ed5ee0c9b1b094147cefaf704dfe978

C:\Users\Admin\AppData\Local\Temp\_MEI42722\_ctypes.pyd

MD5 c8afa1ebb28828e1115c110313d2a810
SHA1 1d0d28799a5dbe313b6f4ddfdb7986d2902fa97a
SHA256 8978972cf341ccd0edf8435d63909a739df7ef29ec7dd57ed5cab64b342891f0
SHA512 4d9f41bd23b62600d1eb097d1578ba656b5e13fd2f31ef74202aa511111969bb8cfc2a8e903de73bd6e63fadaa59b078714885b8c5b8ecc5c4128ff9d06c1e56

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-11 15:48

Reported

2024-08-11 15:51

Platform

win7-20240704-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\source_assembled.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\source_assembled.exe

"C:\Users\Admin\AppData\Local\Temp\source_assembled.exe"

C:\Users\Admin\AppData\Local\Temp\source_assembled.exe

"C:\Users\Admin\AppData\Local\Temp\source_assembled.exe"

Network

N/A

Files

C:\Users\Admin\AppData\Local\Temp\_MEI26242\setuptools\_vendor\inflect-7.3.1.dist-info\INSTALLER

MD5 365c9bfeb7d89244f2ce01c1de44cb85
SHA1 d7a03141d5d6b1e88b6b59ef08b6681df212c599
SHA256 ceebae7b8927a3227e5303cf5e0f1f7b34bb542ad7250ac03fbcde36ec2f1508
SHA512 d220d322a4053d84130567d626a9f7bb2fb8f0b854da1621f001826dc61b0ed6d3f91793627e6f0ac2ac27aea2b986b6a7a63427f05fe004d8a2adfbdadc13c1

C:\Users\Admin\AppData\Local\Temp\_MEI26242\setuptools\_vendor\jaraco.text-3.12.1.dist-info\LICENSE

MD5 141643e11c48898150daa83802dbc65f
SHA1 0445ed0f69910eeaee036f09a39a13c6e1f37e12
SHA256 86da0f01aeae46348a3c3d465195dc1ceccde79f79e87769a64b8da04b2a4741
SHA512 ef62311602b466397baf0b23caca66114f8838f9e78e1b067787ceb709d09e0530e85a47bbcd4c5a0905b74fdb30df0cc640910c6cc2e67886e5b18794a3583f

C:\Users\Admin\AppData\Local\Temp\_MEI26242\setuptools\_vendor\jaraco.text-3.12.1.dist-info\WHEEL

MD5 43136dde7dd276932f6197bb6d676ef4
SHA1 6b13c105452c519ea0b65ac1a975bd5e19c50122
SHA256 189eedfe4581172c1b6a02b97a8f48a14c0b5baa3239e4ca990fbd8871553714
SHA512 e7712ba7d36deb083ebcc3b641ad3e7d19fb071ee64ae3a35ad6a50ee882b20cd2e60ca1319199df12584fe311a6266ec74f96a3fb67e59f90c7b5909668aee1

C:\Users\Admin\AppData\Local\Temp\_MEI26242\python312.dll

MD5 cae8fa4e7cb32da83acf655c2c39d9e1
SHA1 7a0055588a2d232be8c56791642cb0f5abbc71f8
SHA256 8ad53c67c2b4db4387d5f72ee2a3ca80c40af444b22bf41a6cfda2225a27bb93
SHA512 db2190da2c35bceed0ef91d7553ff0dea442286490145c3d0e89db59ba1299b0851e601cc324b5f7fd026414fc73755e8eff2ef5fb5eeb1c54a9e13e7c66dd0c