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Analysis
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max time kernel
144s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
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submitted
11/12/2023, 09:56
General
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Target
c81b6e9c85374d8b19f2de933aa4c9e3233ae928f78b89b461f68b20a37388d4.exe
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Size
6.9MB
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MD5
dfdbe7a551e3441a82b2b7c2b047a5c8
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SHA1
6502492382f8d682c19988fbecf7f20a30dc3440
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SHA256
c81b6e9c85374d8b19f2de933aa4c9e3233ae928f78b89b461f68b20a37388d4
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SHA512
a3deb530faddd60a3bfb6188215deb8360e43df3703b7935363daa84550a9c6f4f6cdcc422016496a35151040ef5df24be7eb1a70bbad64c572622a44766e2c3
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SSDEEP
196608:HyD4UUAnfcrSuleVp+jatZRGrrC/sF5wvACzj:u4Uvfc2RGatZcXF5uzj
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\c81b6e9c85374d8b19f2de933aa4c9e3233ae928f78b89b461f68b20a37388d4.exe"C:\Users\Admin\AppData\Local\Temp\c81b6e9c85374d8b19f2de933aa4c9e3233ae928f78b89b461f68b20a37388d4.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-ICN7V.tmp\c81b6e9c85374d8b19f2de933aa4c9e3233ae928f78b89b461f68b20a37388d4.tmp"C:\Users\Admin\AppData\Local\Temp\is-ICN7V.tmp\c81b6e9c85374d8b19f2de933aa4c9e3233ae928f78b89b461f68b20a37388d4.tmp" /SL5="$70102,6986290,68096,C:\Users\Admin\AppData\Local\Temp\c81b6e9c85374d8b19f2de933aa4c9e3233ae928f78b89b461f68b20a37388d4.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)\WMAFormat\wmaformat.exe"C:\Program Files (x86)\WMAFormat\wmaformat.exe" -i3⤵
- Executes dropped EXE
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C:\Program Files (x86)\WMAFormat\wmaformat.exe"C:\Program Files (x86)\WMAFormat\wmaformat.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
867KB
MD5f7f8fcc27c29cca6b5d078cd144a0a33
SHA18e36911f34bfbc2273a92c698aaf635aaa6faf2e
SHA256f61eb897250a548f72c077462633d209c7743c49faa24829d126b0c883ca7880
SHA512f461b57be985a36e937f7bff962c69efaf116cf27ad25dfebfb346061d495f81fb6e038ff06f31652f4f7dc0f683f596a9ed9fc01718056ea9daef96cf713939
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Filesize
78KB
MD50bac31cbefcd5c86a427096ba33ae68a
SHA106dd38e0a4f6575dfc75d09ecc4ed3fbb3648d4d
SHA2562c30c2803d054329642a954ccd9a3b821b339aee140ce847fe09fe8f22de3487
SHA512b5c1ffaf6409fa889b3521bfa5af254a759635351b87c8225fc0a9fe9768bbdd48815642f7fc61c4c9c4af44a5535e41225d371ccff2ebfc33cfc6ccdbb8041c
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Filesize
1.8MB
MD5ee8b22146a6e1f7cbba2c11bbca9b52b
SHA1f67a54573451b7bf873192100a1ef3e1c980f7a2
SHA2565a3ad1b1662ad7858be1fef617d98b04f0eb23b10fc806a89ca3de8ce36ccd77
SHA51216254c4914b639a7bde084fd1970c62e2a637b72a9cb86ab43f13da5c473e44612596b003389314eadc136034f726900b895b3180b1d8bfe4752d2e7fbcbeefa
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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
687KB
MD5f448d7f4b76e5c9c3a4eaff16a8b9b73
SHA131808f1ffa84c954376975b7cdb0007e6b762488
SHA2567233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49
SHA512f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4
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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
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
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