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Analysis
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max time kernel
142s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
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submitted
11/12/2023, 13:24
General
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Target
bfa442a5c7e2a7fb04b7e110251b23c67441823a8208922db9b8fa2a0dfc4b99.exe
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Size
6.9MB
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MD5
a8cbbb392ef65049c9348cb031d16a3c
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SHA1
952c979bca4c637eb12bdfa32765785a341389ef
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SHA256
bfa442a5c7e2a7fb04b7e110251b23c67441823a8208922db9b8fa2a0dfc4b99
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SHA512
fbec380e6854863ca83669d0adaf584a825a73bd3079d0a99bb5740cf12f19a7c1d6c682897b26b7df29e4992022bb0b3a8f63aa6eecd50f1cd69e1b1a5ad0da
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SSDEEP
196608:jW0fKLtr95HARqIrmVY8S50UL8Kj8yTwHvWY3Nzj:jtO/hAPmVNyEWeNzj
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\bfa442a5c7e2a7fb04b7e110251b23c67441823a8208922db9b8fa2a0dfc4b99.exe"C:\Users\Admin\AppData\Local\Temp\bfa442a5c7e2a7fb04b7e110251b23c67441823a8208922db9b8fa2a0dfc4b99.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-KRF4I.tmp\bfa442a5c7e2a7fb04b7e110251b23c67441823a8208922db9b8fa2a0dfc4b99.tmp"C:\Users\Admin\AppData\Local\Temp\is-KRF4I.tmp\bfa442a5c7e2a7fb04b7e110251b23c67441823a8208922db9b8fa2a0dfc4b99.tmp" /SL5="$401EE,6973457,68096,C:\Users\Admin\AppData\Local\Temp\bfa442a5c7e2a7fb04b7e110251b23c67441823a8208922db9b8fa2a0dfc4b99.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
Loading Replay Monitor...
Downloads
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Filesize
1.4MB
MD5c9570f04b5122950e9e720f99d91ccca
SHA19d1e0c85b0d5a64b31488995d08a4659f889e2e3
SHA25609a75d39a41616a32c7e85d026206660a4b368e5f6602cdc68a797127c79d8d6
SHA512e45b3b78a496c14d399edeff818d2d9b07011a2a8b03280e8b7121024465df40466fa59a3f14eaa8810be9007892d51a747219974ac015c5951a65c1b5033ddc
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Filesize
1.8MB
MD511793f6b69b2df9823a26f0356c191da
SHA1ee7d551f6bcdd993f338a73fbef8e4f2a7e072fd
SHA256ee80b4359afed08948ef90984bb846e18ef2ba254253322d6a7d64b60654fb3a
SHA512c482e23f88615c1ca6b44a097c909ccf763f1158c9bd1a8689c1a6590cbc2717f3dd0173a14b582076fe57d00ab50e900caae650a0f6f90d917215a843473b3d
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Filesize
829KB
MD5352339d786e3fffbe103e30b1c28afc1
SHA1a58e641f48674f84e00ee7062dd359f7978ec08b
SHA2568b61ad275886e119204eb5efebb8bab9e2d3d2697430c84276ee742d32d6d3aa
SHA512fed1294b60f0708358c7c135a41d4bd4a15d4c8273843c98384d452bec37e9d00c3a306619749ac68f8248593a1b8daa52b27e52291752a75c205c393e77775e
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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
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
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
632KB
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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