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Analysis
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max time kernel
141s -
max time network
149s -
platform
windows10-1703_x64 -
resource
win10-20231129-en -
resource tags
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submitted
11/12/2023, 12:22
General
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Target
b3cbc36890f58e9e9a7a245e22247e0a8a56e1b4cdc66bd50d039c98a7ca127d.exe
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Size
6.9MB
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MD5
62a63b889cb0b92d26e811fd4dceb348
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SHA1
0640d4933562f0fec6b23d84a2dce74bdb5532be
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SHA256
b3cbc36890f58e9e9a7a245e22247e0a8a56e1b4cdc66bd50d039c98a7ca127d
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SHA512
1796051b0166962e809a2f81601ec472bb1d2b80ffda4ef6a81d5b3a37562813bf336f068d779407534fff41630838263b3f94c3eb771616fb521f53fdba6d52
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SSDEEP
196608:ReusL5Sg97UrK5EvfjuiKsrGugWn7juD9k3Ozj:EVsg95KnxLrGufn765k+zj
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\b3cbc36890f58e9e9a7a245e22247e0a8a56e1b4cdc66bd50d039c98a7ca127d.exe"C:\Users\Admin\AppData\Local\Temp\b3cbc36890f58e9e9a7a245e22247e0a8a56e1b4cdc66bd50d039c98a7ca127d.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-VF1FS.tmp\b3cbc36890f58e9e9a7a245e22247e0a8a56e1b4cdc66bd50d039c98a7ca127d.tmp"C:\Users\Admin\AppData\Local\Temp\is-VF1FS.tmp\b3cbc36890f58e9e9a7a245e22247e0a8a56e1b4cdc66bd50d039c98a7ca127d.tmp" /SL5="$50214,6944675,68096,C:\Users\Admin\AppData\Local\Temp\b3cbc36890f58e9e9a7a245e22247e0a8a56e1b4cdc66bd50d039c98a7ca127d.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
87KB
MD5f50221ce18b98113c82351189bb26c97
SHA1aa3ac190642edacd2f568ee7d2f5b537abb4d964
SHA256642cbfbb1f603bc4626a14d8df84d14ed7a16732622a783c4a122bfd79450fae
SHA512d0e2c0bde830e403304df7262f154279c067a9d5d4f51747c56880c454d3e0f4ea0fa168df1fabc144ba7a682744584139153b2b54da158e9fc425cd3272800e
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Filesize
103KB
MD55f194ed0a365165582f9f51a4a617a6f
SHA1f56a3202e52c15aeb54d44481f859161a6f7cc79
SHA256fd99468add55714d1bd1f02a75bc5d6baf8e7e3250a76c9fa337ae2086df80d2
SHA5126692aa866ed97886958c1e0f39add059d8428ffe55edfb485d42fae24c92d93d69108c73c6c02f98d01adb7834496267845bd23383da8c56a2329ee7337c11ce
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Filesize
982KB
MD58127cb76edad3ba073c23f8edc77a053
SHA161210eb9d4721a7bd15d57d2bf2872d47b95959d
SHA2565dd663218b838f9a798ecf8c6eb25710001f17dbdb35cd13cf53f0a31f510ec1
SHA5128c7ff9f36459b40032f5d8f24569e7b054f8b360fe527458dc730b419f4ffa45fe394371ddeb8dd2e845e17dab5b061852daa08950d2833006b2eda22b37b208
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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
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
632KB
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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
96KB
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Filesize
96KB
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Filesize
96KB