Analysis
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max time kernel
149s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20231130-en -
resource tags
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submitted
11/12/2023, 13:44
General
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Target
tuc5.exe
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Size
6.9MB
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MD5
f2247ab1f3b27c2c4cda1312aae4d225
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SHA1
ce4e3839b7c1100eac3ffc15c1cecffaad2d2e0f
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SHA256
092d282470defe0c44845e0c5f677e87439405581901450a0181303ae3408389
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SHA512
b468cf4805f9db8333cb1af2c2931f7198aeec4a03e4dbfd95a4fde4ea51b44d5fcc1cc16af8144f5c9287100e9f39d285d73268aef11cec834ade284677df7a
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SSDEEP
196608:8xOlhkHxfDumIwWJfU1IzKkGjAqiuGIqOg9zj:HjkHxfKTnJjzKkRtF9zj
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
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Loads dropped DLL 6 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 27 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\tuc5.exe"C:\Users\Admin\AppData\Local\Temp\tuc5.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-KO47P.tmp\tuc5.tmp"C:\Users\Admin\AppData\Local\Temp\is-KO47P.tmp\tuc5.tmp" /SL5="$70122,6950053,68096,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)\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 111⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
113KB
MD5fedcf88df5e126e34cf0e67b1d86f4a7
SHA1655425f1cb5703de2cce02e323a143e01e79e31b
SHA256d9f908cf117608dfd9b83b663fa7ece700a816a172f3f55a4a0d028330307a75
SHA512c2ef75690622d49b8aef1c7030af5037c7dd4f96f1ae64b8478455538dd97fca9cab7f26c849e58927018051d524e79a8621ff7d591ec08bf8bf6cc682f659bf
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Filesize
150KB
MD53b9390fab4a2deb0f81cf93f839d36ab
SHA1bdd4c1fd79519dd7fe09068a3d796f347d040508
SHA256666184853dfa9afe0e2fe4719c1578af7e037399ed82a55d53566ff741835a4f
SHA51289db9960239d61075e435ed55dc170bbaaad9518837645d005994d803760bcbc235ad4dd75361578f0ec4be58e65429db97c95c3e4277f4cd3fc2728abf736a5
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Filesize
48KB
MD597caf528cf25449ebd3fb301c42c1862
SHA18f91cb68b0d7ba4218542cb48edc5dca6571d27b
SHA2563cb5e33f9c08fec1709dfdc662733023c7903cbe59c94dd261f33deb64f21206
SHA512bbd6f3105e04cf0e476f0efe8ad2e81cc06ded9b8003886ba0d96b031a72db289ed4e571445f3105d75f143b2ab160d1dec5dd75958d5695a93d241ffd4e2664
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Filesize
257KB
MD58546f36f8230bbd90736204426d02a20
SHA124cf96a784038a8444c586695414edf75623da6d
SHA2565690eef67be70bae14ad95dee7dc4d358addd03926a32937712ba5d4fd5f35f2
SHA51221b9f1cca9e3c23fc85d10d11846be577b90a3a99647308331b19f8080d83ccbbf7ca6892ca5122121a668d9970c18c07034c0c0c6a77426e5c6c4c0a053c696
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Filesize
384KB
MD581fba66d143960b868e67316de44ca72
SHA1e900b39e0dd96df9c04383a5bfe6e333c994f113
SHA2566dda04ed820323ef6fa69d62abf4f2ae33221249c55f2902192519986afc03dc
SHA5126e451a58565acf8a8f3cac4e2c31521a886ba05c580f8446c77e98daa0055ec0fe5e9ccd28406e5da416c15631a659249185c5dfbec7d2ef4316f507232a2de9
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Filesize
122KB
MD5784d6658aaa27d5c3ae3ee153f3ed908
SHA1fb3a9c9da67940e97bfba468647075c21bcd3912
SHA25677f2e4c46b12c9bb5830a7c39c03ddc92a885e80f3dd650dd53f123285562879
SHA51223656e33a53478c9fe382ea02a791349ae02f2e99048fc88932d03f1dad7bc1e9d12fcf19d79f7cc18b0dbeef8d4e2297c92eb672aa6c314a90606e3b80f4e31
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Filesize
480KB
MD594e351300928f5328c055fbc2ed46aec
SHA1d213dfd209fd3128c5ba81dbe806ab49766e5c34
SHA256cb9dba9849e93bacef1c810f9b8a81171541a4417d2cd67fcc4f4f4adf622983
SHA5126f5eaf26b4581a1ca364ebe4f71183c1a493f1c794208fcc3d7f506883abacf399aae70c17228ac9d8c64f1530aede8eb71438dc66308ea02a67b5efa9e8cf39
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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
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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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
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
632KB
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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
4KB
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Filesize
1.8MB
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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