Analysis
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max time kernel
146s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
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submitted
12-12-2023 14:01
General
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Target
tuc5.exe
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Size
7.2MB
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MD5
2136e67cf878e9a7f50eeff8e52f379e
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SHA1
c3dfbdd815893c05a0b8497768507344c65741b7
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SHA256
e40ee16a91fea2e513f9f66016cc2d5d9a0ab74034a95195d671ae924419358f
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SHA512
af47dc28ee1f0bc39e4f5613b28bf435db974cdce1a3b1ade2b7c9bd198ab0905482f78dcbe8dc91a4757fdbb3c765517faa96f2b9c642ace9c23cbe926b5e06
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SSDEEP
196608:pxm5MctdEEAJTpMEa66Ey+/xwAB04awWOAQwlCkzj:rcjEEAJWEh65C30GW9lCkzj
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\tuc5.exe"C:\Users\Admin\AppData\Local\Temp\tuc5.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-05JOT.tmp\tuc5.tmp"C:\Users\Admin\AppData\Local\Temp\is-05JOT.tmp\tuc5.tmp" /SL5="$60220,7269570,121856,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)\numGIF\numgif.exe"C:\Program Files (x86)\numGIF\numgif.exe" -i3⤵
- 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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C:\Program Files (x86)\numGIF\numgif.exe"C:\Program Files (x86)\numGIF\numgif.exe" -s3⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.7MB
MD5471427df5531158f216a9516e660e32f
SHA1422b17d139b4e960e2474244643ce11f315318c1
SHA2569e47f30e941c2498ecb4ae9056fa7b3bcde17a0fe114e175c05d7dd7ba19cdee
SHA51230210a21c1ae2f18e7909a565779906802d075373dbfb4dc3b2c92d839a6e7f7082473c7137c5cb294b4f1616fdf1229210f5f14e82ff5a65cbf61f1ac957edb
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Filesize
1.3MB
MD5bf919a3aa8873c9b265f40ff313ce248
SHA11f17d964203d3726e9c08756ed6a626f722080d4
SHA256a795c767fe4518ce5638d2e6e525582f2374f886e1f0da2573e67f9a7fac3ee2
SHA51279bef1de941b2ebdb423186219b6c9d4a16c1ddb4cce7e195d0cc68185ed02ef70e1fae396549e8a0db8e22a36643e4d9bb6f693166bb2974588c6e2fcfd07d2
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Filesize
465KB
MD59f9a7773bf176ad7d6ac89da5a742356
SHA166cf69d43b85a8f40cf679434d87153dd9f8d40a
SHA256491055ca281f29154401435781dbcb9ebafcd63ee1515c743a0ea01b1010573a
SHA51295abf6c3581abeb6722a178a83a69d7771fa996134083c5a1c912590508c24e5fabdef8b46ea85359eef9e0d6e9b179ae45a0c1547155d7b0441a87d0583befe
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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
2.2MB
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Filesize
632KB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
632KB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
752KB
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Filesize
4KB
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Filesize
4KB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
148KB
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Filesize
148KB
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Filesize
148KB