Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
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submitted
12/12/2023, 14:12
General
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Target
tuc7.exe
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Size
7.0MB
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MD5
0e9a0aa9e2d7e7af1cf8eddfd061d9d0
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SHA1
5d78725c1860de375fc5c0b7c2748ecb32318dbd
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SHA256
d6a33c833212833b56639b38ee74b7cb2976be3a7cc75f60333d38f09da4412a
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SHA512
f4b7e596f921f189cae9c44eb7453cfa40588ce63339c5a7fd7d0e1cfd1bb1e48afae733d1ac2b7386bb738370a209f8e4fefadd0285437a338ffd9e8b86d64c
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SSDEEP
196608:exm5Z7xPjWtYOkdHWd1V3GaO4TwWHvzASW8P7Bzj:V7RjWtfj95dLASWyzj
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\tuc7.exe"C:\Users\Admin\AppData\Local\Temp\tuc7.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-2C217.tmp\tuc7.tmp"C:\Users\Admin\AppData\Local\Temp\is-2C217.tmp\tuc7.tmp" /SL5="$400E4,7089240,121856,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)\numGIF\numgif.exe"C:\Program Files (x86)\numGIF\numgif.exe" -i3⤵
- Executes dropped EXE
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C:\Program Files (x86)\numGIF\numgif.exe"C:\Program Files (x86)\numGIF\numgif.exe" -s3⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 123⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 121⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
675KB
MD55d3f293f826ef2f1af3320c03ab47912
SHA19cf324aba57eba26abe7f08b2f347fd559726eb7
SHA25627c58837f8ee4a41a866d250871bdd276c30e82cd738b9ca69eedcea2fc7ffdf
SHA512f852376c6cc1d5c0df5dc453f182cb8b77beb32edcd64cbd5b1cc70b946768582dfffdc8f91d1ed9a7c7a62ed7eda6abe1ae55bb7ceb5c6b8f1225bea8f1ad97
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Filesize
384KB
MD5700aad94db10d453cdbf9cd25f009533
SHA11ad2553e89c5195240a7a3326cd65556b9284d87
SHA256452a04c9316980e29511a522c709d3ed4ea9b3589b05811706d9cae6259685a2
SHA5126931d3bddc92b39c82464cb4b510b7f9245741a6fd6826227615b982a00d04dace6c964987243ed7fdcb09c7b19a98043253fe18e53c48592422cebcccac97b8
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Filesize
2.0MB
MD5e4a8032541379455f84bccfe4920d9da
SHA1ab9ed80023a2c08705234d5057a4cab860d87a2b
SHA25645b27c8d70b72412f6d1f3b5e08262318d1e87490bb31c4f29975e0f87e192af
SHA51272468e314b80bb9b4ab658676e7f8a19062cf2c3af0fb29b06c56924d2718319669d7f8cc37959072d376aa0e4119fea6674697021816b6ce5ce1c1f7c05e03f
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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
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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Filesize
148KB
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Filesize
148KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
752KB
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Filesize
4KB
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Filesize
4KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
632KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
632KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB