Analysis
-
max time kernel
147s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
-
submitted
11/12/2023, 13:54
General
-
Target
tuc5.exe
-
Size
6.9MB
-
MD5
d67f4d4756c7cc63d91496e56a1da4e9
-
SHA1
991794b9b1d0d4d7ca5618efa2996dd86a1da7db
-
SHA256
0df06021d8b7342bc240492fc5ee8462ea9892ced23af9e6e2ab9c1e939306fa
-
SHA512
4018a4e6c28e05e22aa2c5ed86f2634cf5f70b5cecedfa60b9b371bc2642a1b35926cc00cbcdffce8b9dd0c5d08bb8f3e49898a1da4b4c0642ca9da24393b5f2
-
SSDEEP
196608:lxOlhkHxfDumIwWJfU1IzKkGjAqiuGIqOg9zj:2jkHxfKTnJjzKkRtF9zj
Malware Config
Signatures
-
Executes dropped EXE 3 IoCs
-
Loads dropped DLL 3 IoCs
-
Unexpected DNS network traffic destination 3 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
-
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Drops file in Program Files directory 63 IoCs
-
Runs net.exe
-
Suspicious use of FindShellTrayWindow 1 IoCs
-
Suspicious use of WriteProcessMemory 18 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\tuc5.exe"C:\Users\Admin\AppData\Local\Temp\tuc5.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-8S0GV.tmp\tuc5.tmp"C:\Users\Admin\AppData\Local\Temp\is-8S0GV.tmp\tuc5.tmp" /SL5="$80172,6950053,68096,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
-
C:\Program Files (x86)\ConvertWMA\wmaconvert.exe"C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Program Files (x86)\ConvertWMA\wmaconvert.exe"C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -s3⤵
- Executes dropped EXE
-
-
C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 113⤵
- Suspicious use of WriteProcessMemory
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵
-
-
-
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 111⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
149KB
MD5cdea10706664e81239d77bf5493eb65a
SHA13151ea218dfbfff1d217bd0ce7c9fd1eed455ade
SHA256f40869e04ed0bc61004fea259a46936fc170914d30e5673c54da813dca21af78
SHA512044d823a4540893cd92ac4471048875115ce2e44594472dfbfc321978edebecd31e7a8f6a8bdb674d8be18c2c34d47081c996dc2e79a01274ad0249b5bfc7cb0
-
Filesize
142KB
MD58e6c94715f84d5bc9718def78bf65405
SHA19cf9e97c2bb17d99aa678c53ed3e632f2e819b3c
SHA25654d370797f46844232b7525a000cdb001c6a11a4802342af237b0612daa88fcf
SHA512ef07e336a8574c856dc59b02c4666743af877ff75f21947eb4bd51acce8303f5a738368b7f9086e88f065914c0dd1ff65d1f2bc4e507b84185339f968a9c0db5
-
Filesize
118KB
MD5096505926e17bd894343e711f51262c8
SHA1d2ec3a0d507152be8bd6f809e5dc90b8b7497b62
SHA256f768ae6b38cd87fd6c49fa80cbaebab09bbcd764f706c2e3ec6bc9b9ef9d1f69
SHA51234f1b8ad45bfba3f63a150e46fdb2c005f87eb4b4510f5ac1f8a7575cc018a6fbbcb2034ea12a835d95663de7234b78541c89b2fce5c2012b9e1ef10dd170630
-
Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
-
Filesize
19KB
MD53adaa386b671c2df3bae5b39dc093008
SHA1067cf95fbdb922d81db58432c46930f86d23dded
SHA25671cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38
SHA512bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303
-
Filesize
687KB
MD5f448d7f4b76e5c9c3a4eaff16a8b9b73
SHA131808f1ffa84c954376975b7cdb0007e6b762488
SHA2567233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49
SHA512f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4
-
Filesize
4KB
-
Filesize
4KB
-
Filesize
752KB
-
Filesize
632KB
-
Filesize
1.8MB
-
Filesize
1.8MB
-
Filesize
1.8MB
-
Filesize
1.8MB
-
Filesize
1.8MB
-
Filesize
1.8MB
-
Filesize
1.8MB
-
Filesize
1.8MB
-
Filesize
1.8MB
-
Filesize
1.8MB
-
Filesize
1.8MB
-
Filesize
1.8MB
-
Filesize
632KB
-
Filesize
1.8MB
-
Filesize
1.8MB
-
Filesize
1.8MB
-
Filesize
1.8MB
-
Filesize
632KB
-
Filesize
96KB
-
Filesize
96KB
-
Filesize
96KB
-
Filesize
1.8MB
-
Filesize
1.8MB
-
Filesize
1.8MB