Analysis
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max time kernel
144s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
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submitted
11/12/2023, 15:23
General
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Target
tuc6.exe
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Size
6.9MB
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MD5
d29f22632bfd0db3fc465861f2791bdf
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SHA1
4da8ce4d66b1a02a905766ea3cb758e5e9616a7c
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SHA256
76db0626059e4745a94ddb33f09bc62b213dd2c4b217887de9a19283f3224ec5
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SHA512
98b0d7cdcb5b8c646a3eb5da9e63f232544d780d8f39ff87056da2a5499868a0dcb8d4b0ca37aabf749a1c6e6d1244d05e132454a37e9f4f6c293cb2330e992e
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SSDEEP
196608:pbw61woT7mRIc+DaTblZEZTXuNkrAk8TQNY0pzj:pbw61woTCR9+OTbl0Zo/Gzj
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\tuc6.exe"C:\Users\Admin\AppData\Local\Temp\tuc6.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-3ITF3.tmp\tuc6.tmp"C:\Users\Admin\AppData\Local\Temp\is-3ITF3.tmp\tuc6.tmp" /SL5="$601C6,6958728,68096,C:\Users\Admin\AppData\Local\Temp\tuc6.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:\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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C:\Program Files (x86)\ConvertWMA\wmaconvert.exe"C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -s3⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
768KB
MD5e69d07afd316fe4dfad88f370100a90d
SHA132fa25b1069694141fb2fc99cf737a261215a7f7
SHA2568b0ccaeb7faa864584386f388edbed7850ca3c016d3657db79448eb85e0e83c7
SHA51267dab34960840178d982a1b58331708088b994749d23bd5b63cc8cddf6b68ed3bf506aef603206fb61e4c067c1cf4fead8ea7e90a484a9fd94ed8d46958d8d89
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Filesize
1.2MB
MD58047634e79775c1d9e2003e92713f4c0
SHA1496727eaa1a4cb22ddf1adf6c1d99e9200ad8b4b
SHA256b6e3d50a153e117b1ec48527ffdcb5046892e805b85151359f16c9b931339867
SHA512ed6587869285cae5cec4b144b911eeadf55dcc9a14cdfa117e85e85c2f7a24a6203a9062fe59ae08c1d00f4217898f03e0223ed3a9a626e96fac35582a6ce07c
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Filesize
1.4MB
MD5e55ce16f35e4e384e8ca3f929b8b238e
SHA1696350aed74034734f90105dcfafb0149c64ec7b
SHA256e9a9c8753b819da615c08b4db97e03d06ba6ece33af68acea8866e1733e5545b
SHA512b04451e0b28fd6d914c6d90fbb2557f2f60b0af4c59afc0dc560a1513abb53dd03da75316191338ad7e8b425be50b60ee7880c5b17e604155aaa3938114295d4
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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
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
752KB
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Filesize
4KB
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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
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
96KB
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Filesize
96KB
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Filesize
96KB