Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
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submitted
11/12/2023, 16:42
General
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Target
tuc4.exe
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Size
7.5MB
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MD5
42a853695d6ba4abf1fd9bfc4308c0f6
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SHA1
7e91b70cbf41e25ced5ab4324a47cd40fcd49ce9
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SHA256
910967e7f92f9f0e834b49a541f01eb4d25769bc26d64222719bd1159ca5fc8d
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SHA512
49e25ea9518f879c63ff2e8993e71165ccd6814489d8b803933d661a37f550a6faa83dbb3cae892b455b786bd3a15782d24170244d57c683cbc77ff175aeeaeb
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SSDEEP
196608:CpVDDR8SZqepbLqwjKpDf/NIpEpDqfBrT0/WViLFfzj:CpVBtvpbL/+vVYBrTTefzj
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\tuc4.exe"C:\Users\Admin\AppData\Local\Temp\tuc4.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-Q12UV.tmp\tuc4.tmp"C:\Users\Admin\AppData\Local\Temp\is-Q12UV.tmp\tuc4.tmp" /SL5="$60214,7565670,68096,C:\Users\Admin\AppData\Local\Temp\tuc4.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)\PlayGIF\gifplayer.exe"C:\Program Files (x86)\PlayGIF\gifplayer.exe" -i3⤵
- Executes dropped EXE
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C:\Program Files (x86)\PlayGIF\gifplayer.exe"C:\Program Files (x86)\PlayGIF\gifplayer.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
1010KB
MD57206861b4dddd4f68406e3c1a72c417c
SHA1d69276c478bf29e57c70a7d64cb56d3478f5c7ab
SHA256ca78c075a09e2d2c11556d8599c6c79fe42de643491cde79f250b383a6822c17
SHA5121a1324b7c4d151bf92c5b790085063c026d5c7c7f39598830666419aa77b110ebcf0bab2e80db264f3b685e51cf1b3c432e578648c55729a4f7aaacbfe6af0a6
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Filesize
1.1MB
MD545cb071d329ce399e55604e441e0d62e
SHA105864ef43be58554f727721a15ca4e23ee3d6641
SHA25607f4776c21112ed1853a69cec8c2104b4a59f2e22f1b5876792a89ce031ac26e
SHA5124f0f4043c127da4ed8d270f9bb86396125304c5c3b3c86b2ca136f941f4ae6c1aeb1a7e8c798e1f4a2e4475e7a3bc71744b04f13d613473a90691760fbb1615c
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Filesize
262KB
MD5bd9812b00829c35241f5066f67068039
SHA1d892b1f7228491658836c5e4974475460293113b
SHA25684fa4901f084eba6cddfc625347cad5ed71bae12ad1861149db723170a1c95e6
SHA512fa923d6449a37cc9c49fd9b248f98936681fb6ae7065185870c6fde5ecb5c72d3c8dfd6bf6974df9c735c08c68f103703ce654d67ef31a3070e3e657afc7dfbc
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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
632KB
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Filesize
632KB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
632KB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
96KB
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Filesize
96KB
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Filesize
4KB
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Filesize
752KB
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Filesize
4KB