Analysis
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max time kernel
149s -
max time network
141s -
platform
windows7_x64 -
resource
win7-20231023-en -
resource tags
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submitted
11-12-2023 21:10
General
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Target
tuc5.exe
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Size
7.5MB
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MD5
fb73f3426b958cfc9341d7a511840d92
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SHA1
310dfd7a73203812dc459e60d72a742af4f6138b
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SHA256
ecfba155b0382ba1dc7520b0eb4b64e8edd0a25b4b07e26b5cab6cb6bb62f454
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SHA512
cd918984c5d707ae543fa023a1a140c6919f308fdec731ab7870fe7c09f89617e0f1faff62fcde138bb3c2e48b9865ed8579e7cf19ff10748ea889744557af91
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SSDEEP
196608:nO78pimeIjZMmsj7bXzjl3iT1A9SG7ul2xdVNWiYmJE6RI6zj:O78pimNjMDzjl3dQAdVN1YyRPzj
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 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 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-H2LDE.tmp\tuc5.tmp"C:\Users\Admin\AppData\Local\Temp\is-H2LDE.tmp\tuc5.tmp" /SL5="$7011E,7611198,68096,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)\PlayGIF\gifplayer.exe"C:\Program Files (x86)\PlayGIF\gifplayer.exe" -i3⤵
- 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 114⤵
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C:\Program Files (x86)\PlayGIF\gifplayer.exe"C:\Program Files (x86)\PlayGIF\gifplayer.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
1.4MB
MD5e5e2fef85d524d11bfe0f7ad56a39f13
SHA11cff5597a19209680c97d7ce58eb8e55680cd2e0
SHA256a8da0764d7fa4cefdcd2fcf7836afba0ad59ec0b7030923a67f8b23b4c1b6b53
SHA512de11285dbcf59ea82f24a3db6daa79a0b5597e47864c12a97f03aa7943ba60cce39fedd9231bb664b2b24a2f0f390c95a6d72cf139a535c256b14de01eea6053
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Filesize
2.4MB
MD567ac6f70fc48197cde396745dea17809
SHA151cfe8ae13ebe262dcb5af08cf71631aaf527a18
SHA25630dcc826727f9b2a2e4f5dc5c344eccd6eeff32e519e6fa293644e0f2c38ee0f
SHA51219d3924bfef9dab4214e3e60f21793602628e00df83aad804d2840217e086a411f99690e73da4dda0b7b3f34fb4c4f5ebbe372a4d281f296ede9df52d28d13b0
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Filesize
682KB
MD59b9a79c7ce986f860ef9867037ea6d91
SHA156d26c25cb65324084c6a0a253fc21c06420818a
SHA256c5de18ce32917b463fb786c6f7648324dfaca8fdcbaacdb7f623b907cf592938
SHA512f2dc2038c9abbcd71884edb336600a2b0459b1bd2a73d3596639a9cc874400fbe2df1cb96b52ffa0a39239f10ce1f2f08d51e284d5bc5ad01d09c27ab32b7535
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Filesize
1.8MB
MD5419c6a0b8e1449f027edb2861bcba47c
SHA18921b4bb8480a66e4f2cbefe4c1f13247e200da1
SHA25633151c9eb3b4ebca3db94473d033f451dea4302de127db18ccf793c1e0d243f0
SHA512ace61c01d5b6c8505cba4712cb6f76ce075c5f54c4eee3a45d29776de10ac5b14acc1e98ad28d0365d91b852cb3871ff8d40269ed8381f39a87643ab2c6c557f
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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
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
632KB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
632KB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
4KB
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Filesize
752KB
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Filesize
4KB
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Filesize
2.4MB
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Filesize
96KB
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Filesize
96KB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB