Analysis
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max time kernel
147s -
max time network
137s -
platform
windows7_x64 -
resource
win7-20231020-en -
resource tags
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submitted
11/12/2023, 13:06
General
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Target
tuc7.exe
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Size
6.9MB
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MD5
2c29d8d6a845daacea7bfa7fddf9e06c
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SHA1
b20cc2fbe8aef80ab061a61f8cfdf52c3bf2a509
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SHA256
2507c7150cda1053e077d1effb0e37505905408cf7edbdb1464e94cb9dcd640b
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SHA512
e52b4b9f97a0ba4afecccc2f1d6a6ee0f410f597cb6fb6514d4aad5f9e27d6a3cb4313af8ca947a85f19887b3123ab0067b3be5662432d6e83813b68a8c5a6e3
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SSDEEP
196608:4eusL5Sg97UrK5EvfjuiKsrGugWn7juD9k3Ozj:rVsg95KnxLrGufn765k+zj
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 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 27 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\tuc7.exe"C:\Users\Admin\AppData\Local\Temp\tuc7.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-1DSOS.tmp\tuc7.tmp"C:\Users\Admin\AppData\Local\Temp\is-1DSOS.tmp\tuc7.tmp" /SL5="$C0152,6944675,68096,C:\Users\Admin\AppData\Local\Temp\tuc7.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 114⤵
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
637KB
MD586d98b1a07b39f5ac5c71a5f9984defb
SHA11df983af4568ecdb0714a45bafcaabbd3cd35ae9
SHA256fdf16d2a36cf1e7558eb9d4a30342957ef9e6431dcdcb6db47677ae152ad46de
SHA5120e49fc39bc301c1a45f7bb8c47ea4e78757f3b89a1e52e752584cbd695ab103b23f814241717b1c8cfa70570266a6d564276c993bc646dbb6644b5302429d69a
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Filesize
313KB
MD583542406b2a1eb97da189e436e4ea9bb
SHA1e1388aae6b5c57518195b686347b1afdee72ec8a
SHA256f03a5f9b08f55d0eea8fafd36c84d25c8b46abe7d19910442321be2180b7e1f8
SHA51227f10bd02c50f3832d277ce4a0c25c3662f72574ed187feb0ba6979c15ca0cbd1625a3697a2eee97f75a57c210fc761399211bc8204407703e13e30642fe11ff
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Filesize
1.2MB
MD50a945c686c1e3cdcd58658e34f441b7d
SHA10741eac059a2766b3f681f739fb88be2e60f9858
SHA256d4e42e1d2eb386d0bfa3f043f40f2106c8a9ab779a90e2326cfc974db1f5f68c
SHA512b95524299047a6eaf72e2f481468f8485a0eeae144e72699b3d305e97f78828621dcb77b052b49b4cd7342f692b0566848cf11fa74db52b8ff977def89442b66
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Filesize
687KB
MD5f448d7f4b76e5c9c3a4eaff16a8b9b73
SHA131808f1ffa84c954376975b7cdb0007e6b762488
SHA2567233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49
SHA512f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4
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Filesize
918KB
MD54412e857869847076bc53b3e104a3312
SHA19f20bc4d5340db8457b1b3ddda77abba81f0bdca
SHA256cc61c4e53a8ab7e95790148634dfd0403a525b696041efbe02ebeb79d7875cc9
SHA5122c228973e24cce21d02c7a8291d61205ac0bfe51ebbb5d1c243c42f4dc5166375624feec7c2cb8cdc1d949f9186c5b4ff2ffa53ba92cb7a25b4c001656879e43
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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
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
-
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
96KB
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Filesize
96KB
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Filesize
1.8MB
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Filesize
4KB
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Filesize
752KB
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Filesize
1.8MB
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Filesize
4KB
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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