Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-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 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-PI378.tmp\tuc5.tmp"C:\Users\Admin\AppData\Local\Temp\is-PI378.tmp\tuc5.tmp" /SL5="$801D2,7611198,68096,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
512KB
MD537e411737b75efda8d52eea84e8256d3
SHA109343ddcea41a9a189e3d07639cdc321b8e67889
SHA25626ebb2ceb953e4d9b1d8cf88ce68a8aabfba64dbc3174c2a3ec811077c4370fc
SHA5127f67f966f4245feede35157f636ec32e8128af5bff52e665179a26c47d2d098f9295f2107864a391608ea24401fc61d41a9d1352598758d4048d1db3fce55bae
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Filesize
385KB
MD5ef7cfd09e9e6c6dcc541a1841fb23787
SHA1594aceba065038374bb3d4b59779f6d7e147b7d6
SHA2561534a8a191936151b29ce75050f93fa2f03041097c7b96d927c882ebcec56ac3
SHA512c823a559481f39d43deae000773482ea3e9e43f80d3c88a558eb83f319baccc0316b22ed50f5e2bb995f396152d3e5f520043704e75f28cb360db2e0713b6284
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Filesize
674KB
MD5efc7890305fe9315b124a16533953377
SHA173ac7d4b4e3cd4060db28951d09c4a6ef9f19c3e
SHA2567e83073bd3c1254a524482eaebabb0c6940abac415a4a75bae2328dcdf16888b
SHA5125818782cc11a56ff7935eb13849e96f11108866da88ef81aebd09e64da8e81b531739f86a66155b645eb01f7127d147328d7869832bc4fd525f8b1e874600e73
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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
752KB
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Filesize
4KB
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Filesize
4KB
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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
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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
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
2.4MB
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Filesize
2.4MB
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Filesize
2.4MB
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Filesize
96KB
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Filesize
96KB
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Filesize
96KB