Analysis
- max time kernel
149s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
07/10/2026, 05:07
Behavioral task
behavioral1
Sample
2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe
Resource
win10v2004-20260911-en
6 signatures
150 seconds
General
- Target 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe
- Size 1.5MB
- Sample261007-fsf4fady2p
- SHA256 e44244d85a9234514b856aa5c5850fd9402204bb6ef3775d4514a9025a93c49c
- MD5 1cf57c48e1bb9a6ec80000143f4f332a
- SHA1 30090ec61f07059ae4de6eccfa448b51a8c27d44
- SHA512 1baf2e6503ceef3b2388025fbf76ab2903de930518e213ed025f7e5d75cb9d3d80ba97ab0d76079c4ca6879d502b6dc4ecbdfbc26c21d42cdec4870970abbe56
- SSDEEP 6144:kFlKgzelZNQSBQGH/CSpWqTPueF/mNyBXoAXjiU4bz:DfBQGH6SfKCBXoAX+U4
- TLSH T12B75CFB27B92C66BD4E7C23DB4458557ABF29B024D13926397A0EF3DCA392814DDCC42
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Cosmu payload 2 IoCs
Cosmu is a worm written in C++.
resource yara_rule behavioral1/files/0x0005000000022bf2-9.dat family_cosmu behavioral1/files/0x0008000000024372-26.dat family_cosmu - Enumerates connected drives 3 TTPs 10 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\M: 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\G: 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\J: 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\K: 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\L: 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\N: 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\O: 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\E: 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\H: 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened (read-only) \??\I: 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe - Drops file in Program Files directory 21 IoCs
description ioc Process File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX957C.tmp 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.cab 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.exe 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.cab 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.cab 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX9538.tmp 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX954A.tmp 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX9528.tmp 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX957B.tmp 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX955A.tmp 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX94E8.tmp 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\readme.1xt 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7z.cab 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\7-Zip\7zFM.exe 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\RCX9549.tmp 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe - Program crash 1 IoCs
pid pid_target Process procid_target 3028 1512 WerFault.exe 84 - System Location Discovery: System Language Discovery 1 TTPs 1 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 2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-05_1cf57c48e1bb9a6ec80000143f4f332a_elex_rhadamanthys_smoke-loader.exe"1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1512 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1512 -s 6842⤵
- Program crash
PID:3028
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1512 -ip 15121⤵PID:1344
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.cab
- Size 549KB
- SHA256 707f415d7d581edd9bce99a0429ad4629d3be0316c329e8b9ebd576f7ab50b71
- MD5 0b24892597dcb0257cdb78b5ed165218
- SHA1 5fe5d446406ff1e34d2fe3ee347769941636e323
- SHA512 24ea9e0f10a283e67850070976c81ae4b2d4d9bb92c6eb41b2557ad3ae02990287531a619cf57cd257011c6770d4c25dd19c3c0e46447eb4d0984d50d869e56f
- SSDEEP 6144:vXREiNYVLKZn56Vq2UjCpd0v5prE6v0GSxWUPZl1JP+1Lix7NGZIVuXQ82g4zrr8:vXZNYVLeyUji0h90ZD0wxpGZIVuKrHs
- TLSH T1C1C40916F6748335D073C0B9C5D2A68EE972308657308ACB4286D77C7E67BE6863A731
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7z.exe
- Size 1.5MB
- SHA256 ed35ff06761ccd3dd660925300445bc41b16564b630997d839ebcb9a463c5c51
- MD5 e52ea009880acc5ed2e16dd26a58102b
- SHA1 55cc6df69e48b09b1061146d3f2c582c2285db3c
- SHA512 ccb35ac8dcc03616650cc1e1c6e76c52aec5e4f6963d1ce03661096ed5764601583c9e24273ec85e158a9b53e45682ade2301dba22e2c1ad81d73123af3c3db6
- SSDEEP 6144:kFlKgzelZNQSBQGH/CSpWqTPueF/mNyBXoAXjiU4bzX:DfBQGH6SfKCBXoAX+U4n
- TLSH T1D375CFB27B92C66BD4E7C23DB4458557ABF29B024D13926397A0EF3DCA392814DDCC42
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7zFM.cab
- Size 963KB
- SHA256 028cf2158df45889e9a565c9ce3c6648fb05c286b97f39c33317163e35d6f6be
- MD5 004d7851f74f86704152ecaaa147f0ce
- SHA1 45a9765c26eb0b1372cb711120d90b5f111123b3
- SHA512 16ebda34803977a324f5592f947b32f5bb2362dd520dc2e97088d12729024498ddfa6800694d37f2e6e5c6fc8d4c6f603414f0c033df9288efc66a2c39b5ec29
- SSDEEP 12288:O8vaa81soeyezSC6v/ciLKK3kg5aqghpSy1TIPxTmqCLwKzu/:7a7/ezSC6vUyD/aqgrvWx6q8wyu
- TLSH T1F225E815F5788323D0B2D0BAC5D6BA9AFE7230465B3089CB0246D76C3E277E68536739
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\RCX9538.tmp
- Size 284KB
- SHA256 a678c9f7607e0229f9905ee36dbece1722ed3ab24382f51b99026d88fca7c770
- MD5 68ae34e1bc70519da6bc239ad311552b
- SHA1 bb89fa91a140d335143e6cb5b480ae1953881f04
- SHA512 5642cd0c643fca0609e177656b54f4e32c810ed8dfb82d824d02713373ce4410c5696005e01fb42c26324cc01336c97f8bcd1b81602e8573abdf5b12fca70d03
- SSDEEP 6144:xFlKgzelZNQSBQGH/CSpWqTyoAXjiU4bz:mfBQGH6SfeoAX+U4
- TLSH T1CD54F1457D93C4B3E0414D31C9E68AE14B7E6C037AA6E11BFF5D0B4B1EB13884BA66B1
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.cab
- Size 2.1MB
- SHA256 7e0976036431640ae1d9f1c0b52bcea5dd37ef86cd3f5304dc8a96459d9483cd
- MD5 b8d69fa2755c3ab1f12f8866a8e2a4f7
- SHA1 8e3cdfb20e158c2906323ba0094a18c7dd2aaf2d
- SHA512 5acac46068b331216978500f67a7fa5257bc5b05133fab6d88280b670ae4885ef2d5d1f531169b66bf1952e082f56b1ad2bc3901479b740f96c53ea405adda18
- SSDEEP 24576:GCbRquA/m2z+L5WqJdrHCYRFiV+XenmE3Pnzc344:GCbRquA/m2yL5zbfFiV+XenmE3/z
- TLSH T156A55B0976B8C1E4D1F6C77886A2C647F37178154B31A7EF4266461E2E33AE58E3E321
- MD5 SHA1 SHA512 SSDEEP TLSH