Analysis
-
max time kernel
144s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
-
submitted
11-12-2023 16:10
General
-
Target
tuc4.exe
-
Size
7.5MB
-
MD5
0c20b70c0db81a8ac5fa17964ca5ead0
-
SHA1
68739d1618375c6946b9cf9f0b003e85d05f9522
-
SHA256
dae3dc0c1952173feb843c67b1a2fa7d27762d1a904fab9f3d9a0156bf4e6f63
-
SHA512
8cfc40c4f38c5ebd668240b220f5b1b09810e7d3cc26bb6fd1302b703e385790abf20447130e49d77f6bbd2de26cd87c2ce0ddba1830db1e42443e849cdbdcdf
-
SSDEEP
196608:+pVDDR8SZqepbLqwjKpDf/NIpEpDqfBrT0/WViLFfzj:+pVBtvpbL/+vVYBrTTefzj
Malware Config
Signatures
-
Executes dropped EXE 3 IoCs
-
Loads dropped DLL 6 IoCs
-
Unexpected DNS network traffic destination 2 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 27 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\tuc4.exe"C:\Users\Admin\AppData\Local\Temp\tuc4.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-7QN0A.tmp\tuc4.tmp"C:\Users\Admin\AppData\Local\Temp\is-7QN0A.tmp\tuc4.tmp" /SL5="$3014E,7565670,68096,C:\Users\Admin\AppData\Local\Temp\tuc4.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵
-
-
C:\Program Files (x86)\PlayGIF\gifplayer.exe"C:\Program Files (x86)\PlayGIF\gifplayer.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Program Files (x86)\PlayGIF\gifplayer.exe"C:\Program Files (x86)\PlayGIF\gifplayer.exe" -s3⤵
- Executes dropped EXE
-
-
C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 113⤵
- Suspicious use of WriteProcessMemory
-
-
-
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 111⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
750KB
MD5c2629e3a99cc6499542e76fdc7ad1c31
SHA13f07e9a58cdf51033f60d6e3c71f0fd8327dcc2a
SHA2560cb7fca363a73a05f144ecdf579176d98ad5face14e52efe3d141f642c44cf50
SHA512a0d94835fc937c57be0750036e2439d2dfaf74a35a55660026961daa7d143cf2b6fe4bccc72e9e0941d15c4082bf6de3e5a5b0c938c71841660abbb710e56d3e
-
Filesize
278KB
MD54f11f12679f69ca1386092c9e1fb94b8
SHA10bfde3d51e521a0b4979356f96812cff51d2a7a9
SHA25615680e93f74060a02874ef06975a42a52b1ac5fa9bfdedad779af4de0ddd50db
SHA512959c470ac205444bea89668e4452b66e317e1bad5cc934a0d5866d2017b695ec9a98b669b1d8ec3b8bf24587b7c6f690960e1dceea09ab063abc41da85ab8826
-
Filesize
248KB
MD5fa9c8dbdec2514287f368c321cc3dbb8
SHA1b06c3ec7033d719a64217587dab978dc28589e4f
SHA256d2b38fb95ade934a5aa04a5bd07ada3fae053f08b90857d1ebd6d6f7f4120b9d
SHA512a2176e4c6063ae9a6c862f0ced4d3659dca0efcf3f9d18858af2fcb4b603d4dc3d089bb8fbd587cdb187cea339011f88c5aee75235190b35d6c88f571fbd17d2
-
Filesize
1.7MB
MD51a35b5a987deb53bb6cef57354353867
SHA135e7d0dbf02f9c5b251e95d3e9abcb4b7d464ef1
SHA256f15cc7b4a60b6583ca333b82e89e64e4306b12969e6d8a2f091bf5eb6f844055
SHA5128dd8e4668b493573d39521aa6ba8fa7f7c9156bf1f0ee245da2a57d3ebca8f26c0e2ceac1ef96b8a942938720122ba6ebb0214044e07e0e63a44804f5f202322
-
Filesize
687KB
MD5f448d7f4b76e5c9c3a4eaff16a8b9b73
SHA131808f1ffa84c954376975b7cdb0007e6b762488
SHA2567233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49
SHA512f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4
-
Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
-
Filesize
19KB
MD53adaa386b671c2df3bae5b39dc093008
SHA1067cf95fbdb922d81db58432c46930f86d23dded
SHA25671cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38
SHA512bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303
-
Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
-
Filesize
2.4MB
-
Filesize
4KB
-
Filesize
4KB
-
Filesize
752KB
-
Filesize
96KB
-
Filesize
96KB
-
Filesize
2.4MB
-
Filesize
2.4MB
-
Filesize
2.4MB
-
Filesize
2.4MB
-
Filesize
2.4MB
-
Filesize
632KB
-
Filesize
2.4MB
-
Filesize
2.4MB
-
Filesize
2.4MB
-
Filesize
2.4MB
-
Filesize
2.4MB
-
Filesize
2.4MB
-
Filesize
2.4MB
-
Filesize
2.4MB
-
Filesize
632KB
-
Filesize
2.4MB
-
Filesize
2.4MB
-
Filesize
632KB
-
Filesize
2.4MB
-
Filesize
2.4MB
-
Filesize
2.4MB
-
Filesize
2.4MB
-
Filesize
2.4MB
-
Filesize
2.4MB