Analysis
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max time kernel
147s -
max time network
150s -
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
tuc3.exe
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Size
6.9MB
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MD5
bc6a11ebae4eb15aede360e739918171
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SHA1
c0d0d4d9431ab86f7195fae408fe64b3257d756a
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SHA256
b477465132c46a8a43fe905db9849e44996cdb8e349e68c92169fcc55aac1495
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SHA512
ae721a0c45189665643fb40a87957acf229bd8976ebad9877b7db9c0a9f23431f34a40df50c1a102c821969dab978796aa1fdf00d629c86a8c1cc20d95bb65ac
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SSDEEP
196608:HW0fKLtr95HARqIrmVY8S50UL8Kj8yTwHvWY3Nzj:HtO/hAPmVNyEWeNzj
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\tuc3.exe"C:\Users\Admin\AppData\Local\Temp\tuc3.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-R4T0D.tmp\tuc3.tmp"C:\Users\Admin\AppData\Local\Temp\is-R4T0D.tmp\tuc3.tmp" /SL5="$A0066,6973457,68096,C:\Users\Admin\AppData\Local\Temp\tuc3.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
385KB
MD5353cf48ba959e966345375db83c16fa3
SHA15742f9cb5d3ba324ef22a384e334fcb2825fb10b
SHA256135d68b5581c16dc0c17feeb93c4b18a40cc26380ae03077168838a215e528bd
SHA5125ac5bab7f7bb37c62c5c993c3252cab5054313b9f4a4c0126d7020598b37295df1a2e4fe242a6f6547f50166f6f2252ca14daa7b00193235b48c4fb6cea44a0f
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Filesize
456KB
MD52221c0a761c917b6af4c9c6b7dd4b85d
SHA19cb2c717abac3aa1111ea2b1682b4492631551eb
SHA2565812beb377446911682f06258cfcbbeaa0b9889b788a5e49b5b260a1bba3d8bf
SHA512f1a1b75deef23c175edfb67f21caac77c019182053443aa94dd27ba20eaef3bb25737fb7e86be90319d4811ca65f423ca3f5a63d7d276b1ad5601e5b49d2aa2f
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Filesize
328KB
MD5cd6fd7df69bf7e5dccccae7a1cb4a019
SHA1faaa696962b2db2bda8fd8e1da4a03baddc3e15c
SHA256b7465ccd4b3a7b8a2ae37da943f83b57d6f35bae7eed492e5f7d875846c9a7a5
SHA512280b00c74a30e867f107ca4f656ce29cab266f6aa5649162fff2c2f1a0c3603742ee69f456b58b157aeaa5e41fd27029294f240439ec2fb59d7fc0038d1e4975
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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
476KB
MD54edff807f90223742afe41761f203208
SHA1f83dcb9a5836885b0837a4b4f2f932dae2f5bc1c
SHA2560cb79738e5f61a6a22c196ea1049a61728fdf70b2f5ef38fc37eaef3d16f31d8
SHA512afef5d83619cd28885828dfcc63450383f81a711b50f97546b8dd8bff2b92b0fde0f8a55d2d0f6d99c8d12622b824adde836d9fd754a5432d9b4dd820bdcc6c3
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Filesize
461KB
MD50ac142e828a45a366d6c06e1a7118c0f
SHA1234fa5f838d5dbf3afc02d740fa6fd7f48e0cbcb
SHA256129a62c8dff21209f69a65849107a0c9e0fae20670b57dfb9685ed044af232ab
SHA5126ec246113c674d6878007efce03ae00a79e4969a85342c2b83f8be200f2462dd122b56a4e944a5127a878a9a99f865561800c4a98df53a1cb530f59c1e0ee4ad
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Filesize
752KB
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Filesize
4KB
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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
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