Analysis
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max time kernel
141s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
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submitted
10/12/2023, 18:47
General
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Target
tuc3.exe
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Size
6.9MB
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MD5
bb73881d87b83a05dbb4fd3e2765686f
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SHA1
8c805414981bf6f50c34751260a6dac2c8dfb4f0
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SHA256
352ca149767ad55f66981fbb829500d98fca895df6fc683965cd7d8db7e1bd20
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SHA512
5f4e31ca9dc8b35d243738bc8af60fd5a67a6aba80b23101ea276e11c830cbf8142f3442c5e0453ca866ac4bc853fa69b854da6ae952a5278c2c600efcd701c8
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SSDEEP
196608:IK2+nNevvWstwr2m5BmycyEbSfasepd5e4x6+AjZ6mjxzj:IDY6tiP3myRfzepXe4ny8gxzj
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 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 18 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\tuc3.exe"C:\Users\Admin\AppData\Local\Temp\tuc3.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-17G66.tmp\tuc3.tmp"C:\Users\Admin\AppData\Local\Temp\is-17G66.tmp\tuc3.tmp" /SL5="$801D2,6991381,54272,C:\Users\Admin\AppData\Local\Temp\tuc3.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)\CRTGame\crtgame.exe"C:\Program Files (x86)\CRTGame\crtgame.exe" -i3⤵
- Executes dropped EXE
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C:\Program Files (x86)\CRTGame\crtgame.exe"C:\Program Files (x86)\CRTGame\crtgame.exe" -s3⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 103⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 104⤵
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
196KB
MD5d1ee59943f4b6d1d5204540fc374a42c
SHA1e46862975a3a27e97a3edf8c7328e6a0e821e8d5
SHA256f74e7293d43c6755fa26440b3543789540547bd0136e76154db7c1f2eaf7d363
SHA5123afa0ef751ef54f277a28c164a8fd5e66a6d290b6589518ba8f358390da10db07ae0faf920dc1d1268c40c8ce33af3bf72220aebaaa4514fcc85410a6afb2359
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Filesize
124KB
MD5ec62e5211ddf65bdb2575acfaeb36574
SHA1d6bc0886127264d0a5ac87415a077a1c86617c64
SHA256bdf6198028733f94c8896af588e105e5cdafc47495f3e881b83f066863e4a2b9
SHA512c405b7fcf454fa3394c8181b22822f0626a9d46881772a96405f43bdfc17f17144e078d855f1b09a8b59ec9535433486f16c3d363ae9f65004775659ffd87f20
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Filesize
139KB
MD576a04c15c4777f350819a113305b3afb
SHA1e232dae7b9ffaaaecab1cae58c6b39a73340115b
SHA25689789d1f11bf7d3f6ef9dedac1ef027e036de0757047444f27e010f558d0a06e
SHA512fc01bbab75f6024f3c187b93f07f74c5d19d69e708ab0f74b7d841612565fecaf053e27f40e816c44eff6804e03be8785ea2a1de78ea7aa490c0f0c0a7c234c9
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Filesize
687KB
MD5f448d7f4b76e5c9c3a4eaff16a8b9b73
SHA131808f1ffa84c954376975b7cdb0007e6b762488
SHA2567233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49
SHA512f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4
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Filesize
628KB
MD5c6ad0796a2e4d959e4ae8ef3996483a0
SHA1c024322de310190695225dde26b24ce35f17f5c0
SHA2561652b1bb5b279ebf38147815906d8dd7d5b72da5bb9e2b1b81b4500b85ed4bf4
SHA512df1c4b90e82ae7e8d6d77364f60004e96088152284926dea1540484097264c838671cd12aa70f8666c8eb343013c87984ad10b5d0748f9f21c7588854d646946
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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
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
80KB
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Filesize
80KB
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Filesize
2.1MB
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Filesize
648KB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
-
Filesize
2.1MB
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Filesize
2.1MB
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Filesize
648KB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
648KB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
2.1MB
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Filesize
4KB
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Filesize
4KB
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Filesize
752KB