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Analysis
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max time kernel
145s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
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submitted
12/12/2023, 15:35
General
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Target
tuc7.exe
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Size
7.0MB
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MD5
ae11b394f8d860cad660751c7f40cfce
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SHA1
22ffe5fbccb46ac97e1804d86d6138a9c34bb01f
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SHA256
2d599a025cf8ed427203f3239cccbd315f085f851beb0d28703ae01e4e796929
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SHA512
93d7a6b041819dd104930e5a817a2aad8f1330542735d82439046dabba5f5390ce33efbee50d8e9bf1d88ec8ca0d82d6b3d07b931f24813100e1f70df6713f10
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SSDEEP
196608:rxm5Z7xPjWtYOkdHWd1V3GaO4TwWHvzASW8P7Bzj:w7RjWtfj95dLASWyzj
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\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-KT1K1.tmp\tuc7.tmp"C:\Users\Admin\AppData\Local\Temp\is-KT1K1.tmp\tuc7.tmp" /SL5="$8016E,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 124⤵
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
951KB
MD5a059df75b4da228f93a27e166e966b82
SHA18fc11adb9bc3f22876b1b28d4c7837ad0a8c1a93
SHA2565a7d4cf7c601f4954ff814a5fd1aa52530168f79ff78deb00193d8459751ad89
SHA5121f1065c2e60050aed69cfe94e5277193026de9013068637cff85fe2fcd6c1379023284e64c52274efec2e03223f2326f30725514ce7b53004be894f130f6c297
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Filesize
1.0MB
MD501144f783fc3729749fd3cd555a16e3e
SHA151d2c412da0c48dec2ea64eda4d0fdeda902d919
SHA2560d9474cdc74cbffa225cd646816a4eaf66e4c7cc2812d7eec010d3e1d1f7d7f4
SHA512943298951adedf73da0e318f6f4668f523b1e3df2fd71ff3f86a4331d08175d4279b0e193381b43ddd6b7ed41366155bdee17c38c2870d5ea87cfed59a2365ce
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Filesize
539KB
MD53530a062ccf432e21519bcbbabb2a919
SHA1baf3af181a36291a73c285e21b4b6b2811d3ddc0
SHA25698612656329bc6174cf7d160095113a1b986a9d66a0557463fe212256b946763
SHA512bf098e8cfc67e41b7d5764d6ffb3780510ffcb5d75ce9122a60c94a16c8a8288fe6f86df3c898c44cc19fd82723e2acedd3edae43089fcce7b4498f8c3237549
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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
4KB
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Filesize
752KB
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Filesize
148KB
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Filesize
148KB
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Filesize
632KB
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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
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
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