Analysis
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max time kernel
142s -
max time network
143s -
platform
windows10-1703_x64 -
resource
win10-20231129-en -
resource tags
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submitted
11/12/2023, 10:53
General
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Target
4a07b0c8ce0620d7ff1dff042c73c00e7728485d97d6011db4d8c584d9bc03a8.exe
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Size
6.9MB
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MD5
2740ebacc1f730837ebf7830a1802ff4
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SHA1
8737b3585aeda655585b33b0882fa04a81175fca
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SHA256
4a07b0c8ce0620d7ff1dff042c73c00e7728485d97d6011db4d8c584d9bc03a8
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SHA512
4d3b0f77ff46968a7d643ef0f506785e324b52ebc258b1edb5d7e0b4b9cf208b6e2a8541cc450bf0db08ae9d984c467db8324e38ba107eaf944a778e60f98ce1
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SSDEEP
98304:RCtQAsI29jHcxWjRTp6azZzB8hi4ZoEiAmP+xhctqd60dVADjhSF1O8lw3kBL7l7:OstjRJ/4ZoSQQhtd6sWDlSrM0BLRrzj
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
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Loads dropped DLL 3 IoCs
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Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in Program Files directory 63 IoCs
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Runs net.exe
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Suspicious use of FindShellTrayWindow 1 IoCs
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Suspicious use of WriteProcessMemory 18 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\4a07b0c8ce0620d7ff1dff042c73c00e7728485d97d6011db4d8c584d9bc03a8.exe"C:\Users\Admin\AppData\Local\Temp\4a07b0c8ce0620d7ff1dff042c73c00e7728485d97d6011db4d8c584d9bc03a8.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-4GBRV.tmp\4a07b0c8ce0620d7ff1dff042c73c00e7728485d97d6011db4d8c584d9bc03a8.tmp"C:\Users\Admin\AppData\Local\Temp\is-4GBRV.tmp\4a07b0c8ce0620d7ff1dff042c73c00e7728485d97d6011db4d8c584d9bc03a8.tmp" /SL5="$901EE,6990075,68096,C:\Users\Admin\AppData\Local\Temp\4a07b0c8ce0620d7ff1dff042c73c00e7728485d97d6011db4d8c584d9bc03a8.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵
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C:\Program Files (x86)\WMAFormat\wmaformat.exe"C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i3⤵
- Executes dropped EXE
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C:\Program Files (x86)\WMAFormat\wmaformat.exe"C:\Program Files (x86)\WMAFormat\wmaformat.exe" -s3⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 113⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 114⤵
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.1MB
MD5078ae8e133b2d863536c6e063c483d25
SHA1008fb67cc6a3152071841c5d468044bdba6efcc1
SHA25684c9b7d843631cd9ee224b7852dd0e70f190c4884c681480f1b6d774c71dd01e
SHA512b6eb1bd81815ac72b9c0f17341b3c72efdb1014aa75734a98545b39071ca8622ec81f1e6f6a844b05070ca00a2d3dd22c5fa2310fc690fb6ae03eaae0fc8bb15
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Filesize
949KB
MD5ad8e7a0815a3e081ebdc031bd67026c1
SHA1e4bb2004b8dff1cd995de8b60957afd345c1b07d
SHA2560fa8c781fcc9520356f492ac1d8f52f12e52b36a2d8a2f02ce6cee2d94f98903
SHA512a8ab36745e9c82f172420c831d6b52e58ada89b0d2d216092e94ce39953bdd95392066ffd89f9efc6a5bf64552a810784e8223c5a48575bcaa5bf9267773cae4
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Filesize
381KB
MD516488f3632f827e05a3c54edc4be31e3
SHA1160ca9be57cff5d5e697663cec375dfe7e8809e3
SHA25691bebbe9a02c687c2f06949f8336303bb659d38bd4f6f9238bd5e74be8a90821
SHA512edc7fa22db74105383a251e39bb015b49ec1847b49a0d96c6ee7f7bf8391f012e34e5df15af918f51ea5524927702ee58dab6054e89acf799cd41b4801b90284
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Filesize
687KB
MD5f448d7f4b76e5c9c3a4eaff16a8b9b73
SHA131808f1ffa84c954376975b7cdb0007e6b762488
SHA2567233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49
SHA512f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
19KB
MD53adaa386b671c2df3bae5b39dc093008
SHA1067cf95fbdb922d81db58432c46930f86d23dded
SHA25671cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38
SHA512bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303
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Filesize
96KB
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Filesize
96KB
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Filesize
96KB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
4KB
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Filesize
4KB
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Filesize
752KB
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Filesize
1.8MB
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Filesize
632KB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
632KB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
632KB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB