Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20231201-en -
resource tags
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submitted
12/12/2023, 15:30
General
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Target
tuc5.exe
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Size
7.2MB
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MD5
313699ec881adc1ff36733826ebd8778
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SHA1
84a434eaa34008282a48b5bff30a361f1ca3b9b4
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SHA256
a979bcd2acc84506b5db935776fd79c67f5b29f2413241530c134bbfa0c7e1ae
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SHA512
1543bc19f95c43dfec7a6df7081baf4c60d6856b72d2e70ab98cd09ab990bc9fa6ed61cc3186fc14628fe06585dac7c50fb97c5068b6b4416b60f09ba37a3568
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SSDEEP
196608:7xm5MctdEEAJTpMEa66Ey+/xwAB04awWOAQwlCkzj:5cjEEAJWEh65C30GW9lCkzj
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
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Loads dropped DLL 6 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 27 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\tuc5.exe"C:\Users\Admin\AppData\Local\Temp\tuc5.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-0D392.tmp\tuc5.tmp"C:\Users\Admin\AppData\Local\Temp\is-0D392.tmp\tuc5.tmp" /SL5="$5014E,7269570,121856,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)\numGIF\numgif.exe"C:\Program Files (x86)\numGIF\numgif.exe" -i3⤵
- Executes dropped EXE
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C:\Program Files (x86)\numGIF\numgif.exe"C:\Program Files (x86)\numGIF\numgif.exe" -s3⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 123⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 124⤵
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.1MB
MD592bf5eb776f73edbf2ffb99c2352f2e6
SHA1295f20c70e9059d78732ecd2cc4b69569fd74940
SHA256fd34eecaa6bcf9e11de33a358e178bc32254d0fb6fe7fa5ca505c37b38ec9d08
SHA512e75e8bb7d80a616176be8514b9f758382607c1cb54d0e9ad9f6c0acbd298b863f06fb9449add4446c208e7a2c85628fb2ea13e8552475458b49023c49b9bb3a9
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Filesize
858KB
MD5691abb8a2309d2dc8f87f9984d74199a
SHA10fb2a27f49fa681aa67bd397d75fdf10d5f4d268
SHA256f2700e6a760745201c022f02746b7ce426e83beaef063a3e23737d550c15154f
SHA5122f3d76fe9ce8775e0ca87490d1fc0b2e16b51eb33cda1fe489996920d4c0b27c3183ec0586dd31ba76ac88ffeabadc42499c6641845b7516e544a14e2ca7b3db
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Filesize
2.1MB
MD58a9a057f29c3f7f934daaf8b7908a5ad
SHA169ca85e99c34cdf88db6d9e3baaa7dcfca4477a0
SHA256854e5a5613b69c1598cc9a60c1f01985173a43f9028a99aac95f5c5283b5b3eb
SHA5123184473e21dfb21cd350be659549268d4a05f6e4f480ed2c1a5cb6ed4f875ee797e36af98c1b692eef8aa71531ffad45309dd6c09433d3c366a874e92a4ddef1
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Filesize
687KB
MD5f448d7f4b76e5c9c3a4eaff16a8b9b73
SHA131808f1ffa84c954376975b7cdb0007e6b762488
SHA2567233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49
SHA512f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4
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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
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
148KB
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Filesize
148KB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
632KB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
632KB
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Filesize
2.2MB
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Filesize
2.2MB
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Filesize
4KB
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Filesize
4KB
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Filesize
752KB
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Filesize
2.2MB