Analysis
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max time kernel
146s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
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submitted
11/12/2023, 14:19
General
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Target
tuc7.exe
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Size
6.9MB
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MD5
5dc8e4987e20ff679306669eddd6675b
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SHA1
a770c5d60a08098e49f9b5f786d5e4c813e8cb50
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SHA256
ff6b06fd3a32b3f514d0c25b2976e23091eada9851c32752b5fbd316625cd0e4
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SHA512
105edcdf295b6dff29f3daf4b00938ac53f6e611c56e1181700df7e3cbab1f151ed589a3584347a2033313374b2973df86e0706a2cf6ace094740b4528beb044
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SSDEEP
196608:EeusL5Sg97UrK5EvfjuiKsrGugWn7juD9k3Ozj:/Vsg95KnxLrGufn765k+zj
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 3 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\tuc7.exe"C:\Users\Admin\AppData\Local\Temp\tuc7.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-UB1BP.tmp\tuc7.tmp"C:\Users\Admin\AppData\Local\Temp\is-UB1BP.tmp\tuc7.tmp" /SL5="$60196,6944675,68096,C:\Users\Admin\AppData\Local\Temp\tuc7.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)\ConvertWMA\wmaconvert.exe"C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -i3⤵
- Executes dropped EXE
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C:\Program Files (x86)\ConvertWMA\wmaconvert.exe"C:\Program Files (x86)\ConvertWMA\wmaconvert.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
895KB
MD547804307a138a72e27c4cc062ce7f375
SHA1d068744488090c1d8e980de32f1753e8b0aafaf2
SHA25697ce856f4e1fef8000d503c6e1e4efdfc4013c7ad94e4389dce36bc364bbc7e1
SHA512df2b066c022f6a0f9972d15cb57f3cb233fbef3df982c8f12c92258a134b6da6a900d667c6398452eee15a9a6f7fe4719abff274d2c86e32049e2958980a7cde
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Filesize
768KB
MD58d175c04e8e0925ce201f5c962bbb5e5
SHA14ce13ba701af011296dd902b17c3f02811b74902
SHA256a8f3d807fdf1a89fbfb64dc5e5a96d1ce56583b0c78e713dce9c8a51ffcae19d
SHA51280d43e965bd448c4455734688dc9a7d0982024b2811e0a5870bcdbc1a5623e8c105f5d44d26286ca9cafad62a21d2e24d04b5cbba1fbfa70e236ecec7bf1ab7a
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Filesize
496KB
MD53636097a631180fc43d7c1e58e0a2a35
SHA153a05c1eb8d9e20a1e46998701c134183eae48e4
SHA25628008c9cc618daff9cdff510e355f1c8e9a3ab312027aefb1056eb05babae2d2
SHA512361d1ace5cc36c876931bb2e94412e6ca96d922ef0c5a41e5c3497651585b754a52ab4c30eb4b5ab5d762f122a185a0ae39d25fdb5747ffc1e827f7d3cd6a44c
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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
4KB
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Filesize
752KB
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Filesize
4KB
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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
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
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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
632KB
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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