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Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
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submitted
11/12/2023, 16:28
General
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Target
tuc5.exe
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Size
7.5MB
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MD5
ab36eeea8b8c643ee4a34f9cccb7331f
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SHA1
bf22b296375665dec5f926660aaef9e4c52da9cb
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SHA256
792fcca86eed9eb7f163070e74e06d7aea0ff8db5a7854fd8a054322b72b14db
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SHA512
d3b55c6aa150a4ca13be425f0482cfeda7c674bfe27d895648584465baf70cb1a8d9fb15da2ed4f7df9fb364e5eda07afc48e270e82d2caabeb54ac1a99ae5db
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SSDEEP
196608:SO78pimeIjZMmsj7bXzjl3iT1A9SG7ul2xdVNWiYmJE6RI6zj:r78pimNjMDzjl3dQAdVN1YyRPzj
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-C4A2I.tmp\tuc5.tmp"C:\Users\Admin\AppData\Local\Temp\is-C4A2I.tmp\tuc5.tmp" /SL5="$70062,7611198,68096,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:\Program Files (x86)\PlayGIF\gifplayer.exe"C:\Program Files (x86)\PlayGIF\gifplayer.exe" -s3⤵
- 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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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.7MB
MD5381f21889f2d2a2ce2af0f0898eeb12a
SHA1922594b0d6f19e9991b90c8ac8b6fad07dfc0e49
SHA256cf363d5f150cc727899d7b025567b11651eef13dcddb4d9bb711c93d62c5d60f
SHA512b57245c6067a1e60b827ab2e3dec98ba2acd6b9abb6344895940f07ff6cb26d6198f0f177585b0f29f11121b3cbfcb123ed0250f7250b6ef91e1d073e47790c6
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Filesize
812KB
MD5fbb7a396f72ab46b4d6363aefa162161
SHA1df082b35beb82a8f4f664b582cfa871cb34dc41b
SHA25602dced54be8fb5c8b2d749d565ba0f5a668a56b3bf9194c56f277376cb72ae4a
SHA512db416735c1d3c2ea7257e00d7eec8d42dd519458ac4e167aa1dcf57b137e887586547c7648054ef2790e25bac85bdbac69c6dc4164caca4a6f8ad21e08b18f61
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Filesize
238KB
MD5b0a305d8f94c48691dc47ac20471f3a2
SHA142c6d1088fc88fa40b8810e6c06ec065a3cf20ae
SHA256f89f7ab633b30285f7f5d3ff95e4d23fdb9cdcb34a7eda5c56dcba6f709d9688
SHA512c6878c8525e25e9b256526c4adeda30104dceba438dd58a39ac4fbb685f2675c3d6e9fd3f3ee5690add8ad52d0ebf389ce3c1d5881cb0a9052e1542b4ae9d3b3
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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
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
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
-
Filesize
2.4MB
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Filesize
2.4MB
-
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
632KB
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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