Analysis
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max time kernel
147s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
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submitted
12/12/2023, 16:57
General
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Target
tuc7.exe
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Size
7.0MB
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MD5
c308301f0845e5aec072754638ee03ab
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SHA1
74d6325dd02c5a1248096f6be0fba8c81b4abaff
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SHA256
9b932365aaaa9b981fa5946f5fca035d5d346ad979476e388cf8d4dd0f59c37e
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SHA512
a1d688ceaf2cba10c8107a3a4df5f979cf8509b2c48e9d17cd28f3a0a1fd0dc16c9af91edb19b7cbb66eebcca400c8e7d2cf18a46d4c121aafdded5f8bc03624
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SSDEEP
196608:Vxm5Z7xPjWtYOkdHWd1V3GaO4TwWHvzASW8P7Bzj:a7RjWtfj95dLASWyzj
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\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-DS9E8.tmp\tuc7.tmp"C:\Users\Admin\AppData\Local\Temp\is-DS9E8.tmp\tuc7.tmp" /SL5="$B022C,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:\Program Files (x86)\numGIF\numgif.exe"C:\Program Files (x86)\numGIF\numgif.exe" -i3⤵
- Executes dropped EXE
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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" -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
555KB
MD5ba58171035bd28040b3f1a18f2ace0db
SHA16d953bc0e8ac96343352d4bcb6aa627e1a6376b5
SHA25654599b3300d4dca643146761fd1d39b2bb1ded3d5391254c2b12c66abc5d04df
SHA5128b753f0645815267f4bd3cdabbc8646ea1b8ccef6c29335ddcea8a5b059c688bf5a98c30882c8d96b1f0e10b85e7893a24213f167620d120be44d82c0f5ed6fa
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Filesize
369KB
MD5acea6c66147df3d4ef67f0f0bff1d36a
SHA1d7b0fcfd672a5f9f76ec186148e308b9d59a3fdb
SHA25695188cfcbb99f1d6cc0b4512cbc5e6d0966dbaad01b8f52f49ea9c2db23072ce
SHA5126b9f5ae9edb24f624d9e55c354928baa348258f7611633459f6d512540f7235e3e944c1945b7d4edce0865bb0de8fafd9dfc13334d19bd954fe1985b23ab426e
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Filesize
537KB
MD593549be6f3d9fc67006c78c728869a2e
SHA1ea962856b9e9df6bff51f9cb02d155d16fa0891c
SHA2560c4b331d07a35ec4b6e56d9d404ed4467332eddfd82405013f6777e67719504c
SHA512ba4c25d1f3f5725e6c2a0ae433c42cdba19ddc98e5ee7a42c2004eb62b43bbe87d81a6624517e47a82b30cf35064d9a4cc1e67081e7544779e101e506e13f9b3
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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
148KB
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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
2.0MB
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Filesize
2.0MB
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Filesize
4KB
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Filesize
752KB
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Filesize
4KB
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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
-
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
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