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Analysis
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max time kernel
150s -
max time network
129s -
platform
windows10-1703_x64 -
resource
win10-20231020-en -
resource tags
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submitted
11/12/2023, 12:27
General
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Target
31cbfad09842abab50e5047b7d014bdc0527528a9dd91441cbd1a4cb4857d440.exe
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Size
6.9MB
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MD5
df1f2c8cbb67b930a865ae7fb2c530fe
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SHA1
9199eb84066a036a07ef5f0a313a202b479649f4
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SHA256
31cbfad09842abab50e5047b7d014bdc0527528a9dd91441cbd1a4cb4857d440
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SHA512
f27744ad183b38695742c07161ef3223812dd34d51658eaee44dc3c351513ad78c1bde97e038a0e648b0808d1ba6d0e7a0a4d820a04aeb3b9d9cbadc00b75474
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SSDEEP
196608:BxOlhkHxfDumIwWJfU1IzKkGjAqiuGIqOg9zj:qjkHxfKTnJjzKkRtF9zj
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\31cbfad09842abab50e5047b7d014bdc0527528a9dd91441cbd1a4cb4857d440.exe"C:\Users\Admin\AppData\Local\Temp\31cbfad09842abab50e5047b7d014bdc0527528a9dd91441cbd1a4cb4857d440.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-22KCK.tmp\31cbfad09842abab50e5047b7d014bdc0527528a9dd91441cbd1a4cb4857d440.tmp"C:\Users\Admin\AppData\Local\Temp\is-22KCK.tmp\31cbfad09842abab50e5047b7d014bdc0527528a9dd91441cbd1a4cb4857d440.tmp" /SL5="$50232,6950053,68096,C:\Users\Admin\AppData\Local\Temp\31cbfad09842abab50e5047b7d014bdc0527528a9dd91441cbd1a4cb4857d440.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)\ConvertWMA\wmaconvert.exe"C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -i3⤵
- Executes dropped EXE
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C:\Program Files (x86)\ConvertWMA\wmaconvert.exe"C:\Program Files (x86)\ConvertWMA\wmaconvert.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 111⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.4MB
MD573be6717a174f4d8a21c6353c9e494ca
SHA16135a56f7f68c396cbdf19be0851f7b17d3807fd
SHA256ddd523a5c00818f4f1659c9a4d668bdb6e9888f925e150224d1c253eb09e9e80
SHA5126ebbfb88169869fe057a9388a6fd6dd2d4b9af94ede98f3d944420a3738f680d5f281494e71b1d75d29ed8b63283b73cf559fc86fdc960cf8831153a6f0f03bd
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Filesize
1.2MB
MD5fc872279d473f9d23cd5f502ca68da6c
SHA1c12b236cf068b00d85d8b10ffd7f9ba16ca5f049
SHA256a79184d9e505963cb8d514f68506da6e2035c4bf303bee75712c479cb711615a
SHA5128ab188973c7e4a30caee552e444bb6fdc9174d24600b0c8e07b1e452906f06461a66749ae72149cdd69f391801df3fa8644f5ebedf9ec6d4c45ec851b2763a5c
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Filesize
64KB
MD5ba3de778153178f35dea9ab4d64d7c34
SHA13af1768f1ea57a32dcf79cd93a398ca7e4af310f
SHA25696dd5e69577a92812153d06d09caae12108abfad7bb382afbe0583f8ca244106
SHA5127b85bb6f248818b147b365cdecb66469baf128ccf55fe524b4dc66dd851202f87fb1e0ad92c0bbb5ca3542626453bdd69605b25dfc5a9e3592dd01ddf97fe73a
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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
4KB
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Filesize
4KB
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Filesize
752KB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
632KB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
632KB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
632KB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
96KB
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Filesize
96KB
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Filesize
96KB