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Analysis
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max time kernel
143s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
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submitted
10/12/2023, 18:40
General
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Target
tuc5.exe
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Size
6.9MB
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MD5
f0edb413b950ceee200182b5a2ad742b
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SHA1
d75a29d5d805e8b9e2ba9ef9107d692bcaa675a3
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SHA256
c450e8d78cc73b5d131aee45ed4c1d09f208c184171657628509dbffb4a343f3
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SHA512
7ced2b1ab8754460ed9ee2597c80087695ee868c134214243a82c510566cf6eb94197a46c19368e7cd444ab7e533a0e00b01b80c771716c30fae8473cd775f78
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SSDEEP
196608:BxnTNzjsOzc7TGHscDgcXbIdslX38dgFYJzj:XNztzQlcDPXus98d9Jzj
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\tuc5.exe"C:\Users\Admin\AppData\Local\Temp\tuc5.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-I8VVL.tmp\tuc5.tmp"C:\Users\Admin\AppData\Local\Temp\is-I8VVL.tmp\tuc5.tmp" /SL5="$9021C,7025884,54272,C:\Users\Admin\AppData\Local\Temp\tuc5.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)\CRTGame\crtgame.exe"C:\Program Files (x86)\CRTGame\crtgame.exe" -i3⤵
- Executes dropped EXE
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C:\Program Files (x86)\CRTGame\crtgame.exe"C:\Program Files (x86)\CRTGame\crtgame.exe" -s3⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 103⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 104⤵
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
736KB
MD50b2f1614c62825210dabef7cc2d594af
SHA1a34c28147d38eb6b176df4b4513831bf8bd2d328
SHA2564f57dae80daa491d1e11853a5e216355c0a41439f8b766bd6143d14019a34a0c
SHA51272fb30d707e58accb88a7473e04c33116cdd5c5008d69d2dc40bbc4e10dcb8cab5e7780cf0c7315a157981cc9d2acc12bd4920fa6ab65c46d903ba62eb08f576
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Filesize
749KB
MD5ab61e63fe496d0ffdf7d5ad2db756a63
SHA1bd93a0eb578297db9f9f2f3cf36355bb4e123342
SHA2560170ac20fd170b0c3d0a8a0191997fb0932871a0b29e0fd671fe3b6dc8a62de2
SHA512ea3e1047eb29809197d1c494f2ab0ef65c02f250ecb529c0d91dc95cd150ce756ec0835096cc953c96aca48db3db125f14328b02217aac560a7199c7dc96b6f7
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Filesize
317KB
MD55789913811eb643319f247b4fa4c3a94
SHA13559616e9254c2e9cf4afcc9bafb0d88b85dbaf7
SHA25626b9c24e3887a14dfa024120d5128b48aefc065556777caf46cbb119d5714019
SHA5122d2e2054d70e0f9cb9cfc01c34daec8cc3e22d0dcb12f0e223780f9c24be9decef6768b26d2050ca08b194fe0d0bf1a589547063c0edd6240e984683815a9ecf
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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
687KB
MD5f448d7f4b76e5c9c3a4eaff16a8b9b73
SHA131808f1ffa84c954376975b7cdb0007e6b762488
SHA2567233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49
SHA512f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4
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Filesize
80KB
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Filesize
80KB
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Filesize
80KB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
648KB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
648KB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
648KB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
648KB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
4KB
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Filesize
752KB
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Filesize
4KB