Analysis
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max time kernel
146s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
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submitted
11/12/2023, 10:00
General
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Target
e73891ce3a15c094d64b8a0bf2d846b2193af9619c489c0ea1cd7a9e37885f45.exe
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Size
6.9MB
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MD5
5aff62c035c273e6c3696a8b81ed46e2
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SHA1
43a29119592ab5e150623064bda25252b5eac8a5
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SHA256
e73891ce3a15c094d64b8a0bf2d846b2193af9619c489c0ea1cd7a9e37885f45
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SHA512
320920e8a3bbff94d61aa1e742f544c429bf7eb252c2e5d8197c35676221f2233799b743965a7934a8f723a3d4b970fa5afc00d672e898ed85e762779e973691
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SSDEEP
98304:7CtQAsI29jHcxWjRTp6azZzB8hi4ZoEiAmP+xhctqd60dVADjhSF1O8lw3kBL7l7:QstjRJ/4ZoSQQhtd6sWDlSrM0BLRrzj
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\e73891ce3a15c094d64b8a0bf2d846b2193af9619c489c0ea1cd7a9e37885f45.exe"C:\Users\Admin\AppData\Local\Temp\e73891ce3a15c094d64b8a0bf2d846b2193af9619c489c0ea1cd7a9e37885f45.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-FBRRK.tmp\e73891ce3a15c094d64b8a0bf2d846b2193af9619c489c0ea1cd7a9e37885f45.tmp"C:\Users\Admin\AppData\Local\Temp\is-FBRRK.tmp\e73891ce3a15c094d64b8a0bf2d846b2193af9619c489c0ea1cd7a9e37885f45.tmp" /SL5="$50160,6990075,68096,C:\Users\Admin\AppData\Local\Temp\e73891ce3a15c094d64b8a0bf2d846b2193af9619c489c0ea1cd7a9e37885f45.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
1.4MB
MD55cad7fea412ba1f07610881fa0d782ec
SHA11a9b67aad35437851fd8137510a86854d0a68366
SHA256192e0f856d8500d346a0a917719b8eaed5d673967554848d1a52066b6f1a97e2
SHA512bfe5bbd8b0aae9e51db7f8edc6e90de6244e15cd3bec38344ab55d1b9ec77a8a47c98d8afc52b509e658fd205df8b2ff6a61620e579ff2f320cebda5faf45728
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Filesize
1.3MB
MD5e70cd927a4731c57d70819e77b416553
SHA1c2580932a4047de1a27e37d73d2d3f11f99f88b1
SHA2565e154231c232c277046083f3ca60bae79b11e76d9b60f585d324e30930dc4be0
SHA5128fe23d2d81e3e0f52a5da860312ca23f78c9b9840798b2e46ec26afcc4374fbcfe2922992ffae9df291c4ab448dbd25d84884c1bbddaba810a1088edc5352055
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Filesize
585KB
MD51b03dce0ee069466487b487c418fe4cd
SHA15b0eae33f9a20dbb580438d7cac88e64a06ae0c8
SHA25623391444daf60254d55a60de9f175ee94ad9514f77b192b53f39869d01f3f2d1
SHA512bf7752aa52e05523852110cfb49324fe9f4f25046edf534c4ac5df878b44b01c5139f28afeaa4d070d35110a846e4e893b96394a168bed152a96e58d1457f202
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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
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
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Filesize
632KB
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Filesize
4KB
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Filesize
752KB
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Filesize
4KB
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Filesize
96KB
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Filesize
96KB
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Filesize
96KB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB