Analysis
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max time kernel
141s -
max time network
142s -
platform
windows10-1703_x64 -
resource
win10-20231129-en -
resource tags
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submitted
11/12/2023, 12:54
General
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Target
b4baa399f7d8e4b38cbbfb5f99e6c850fb43c65a570e7dd62e4fb702ecd22efe.exe
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Size
6.9MB
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MD5
a3c83c20b3a5f4654538467d25cce20f
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SHA1
326092d7e9058affab314604a91c921f61be7e2f
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SHA256
b4baa399f7d8e4b38cbbfb5f99e6c850fb43c65a570e7dd62e4fb702ecd22efe
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SHA512
a75db5301de2e2bbe2198fff9e50bbc91f379e87506617942a74ae90f4eb9b4bff6dc3e0152fe48b3f6bb5677b7fb5935dfc9736b9415dafa667e513ee50de5a
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SSDEEP
196608:EeusL5Sg97UrK5EvfjuiKsrGugWn7juD9k3Ozj:/Vsg95KnxLrGufn765k+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\b4baa399f7d8e4b38cbbfb5f99e6c850fb43c65a570e7dd62e4fb702ecd22efe.exe"C:\Users\Admin\AppData\Local\Temp\b4baa399f7d8e4b38cbbfb5f99e6c850fb43c65a570e7dd62e4fb702ecd22efe.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-R0ST6.tmp\b4baa399f7d8e4b38cbbfb5f99e6c850fb43c65a570e7dd62e4fb702ecd22efe.tmp"C:\Users\Admin\AppData\Local\Temp\is-R0ST6.tmp\b4baa399f7d8e4b38cbbfb5f99e6c850fb43c65a570e7dd62e4fb702ecd22efe.tmp" /SL5="$40242,6944675,68096,C:\Users\Admin\AppData\Local\Temp\b4baa399f7d8e4b38cbbfb5f99e6c850fb43c65a570e7dd62e4fb702ecd22efe.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
1.7MB
MD5e0ad03bcbca9117600675e21f65f50fc
SHA175b3e6bf9da0d3ba15924cd97900f6f2b2d7d89e
SHA2560171a518bc57f02b327a01fae72db9ddb44f5971be18431829d78741f1a58e44
SHA512623b13aad4bd912a301e5659f02e519a6e49a542d08dfe961ccb0a29c71ced449d618e4fa527c0cf25a2e18a31f60c46de3ac23424f0d679e3fe5f25a5d85e81
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Filesize
1.4MB
MD54747e00645b91e244df5b09f5505b278
SHA107f922d2d43ee24892524b287610b90d5f96c96a
SHA256d9d41a6091249ef7f6af0a9aa4347d5bad4f48c1e76b549c67b1b2b495cf824a
SHA512d9c7a6cb49baf8211e4e6c52937fa9fe76aa7eed772fc5c1225c6c1b4b70d9650d27f468e94a461722c59df8b694ac1949da47dbbac214fa7fdbec5c7b865fd9
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Filesize
1.6MB
MD510b7b2b70343082dee0859ba4b43730a
SHA123232c2db2f6178ccf5dfbb6701d5306239ac45e
SHA25645d14fd6d6adb6474fffe4be24988f99f24ec02edd6f9accc088f75feb46ff1f
SHA512a1d5dbed8f5ebb92a0a9fdef0d3333da5517154201b0735847ff17518e1c7d7963c20cf8024770f78a97e9e5455e77f8b48917071545776dd3afd06eebb7d01c
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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
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
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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
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
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
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