Analysis
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max time kernel
147s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20250211-en -
resource tags
arch:x64arch:x86image:win11-20250211-enlocale:en-usos:windows11-21h2-x64system -
submitted
15-02-2025 22:51
Static task
static1
Behavioral task
behavioral1
Sample
zip_bomb_42.zip
Resource
win11-20250211-en
General
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Target
zip_bomb_42.zip
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Size
41KB
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MD5
1df9a18b18332f153918030b7b516615
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SHA1
6c42c62696616b72bbfc88a4be4ead57aa7bc503
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SHA256
bbd05de19aa2af1455c0494639215898a15286d9b05073b6c4817fe24b2c36fa
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SHA512
6382ca9c307d66ab7566acf78b1afd44b18b24d766253e1dc1cb3a3c0be96ecf1f2042d6bd3332d49078ffee571cf98869c1284c1d3e5c1c7dc3e4c64f71af80
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SSDEEP
768:hzyVr8GSKL6O3QOXk/0u3wqOghrFCezL1VFJdbq2QTJTw02Q:hGx8DKXE//ZhhCirFi2cwK
Malware Config
Signatures
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Downloads MZ/PE file 1 IoCs
flow pid Process 8 3252 Process not Found -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MicrosoftEdgeUpdate.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 4728 MicrosoftEdgeUpdate.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2417498994-1216132997-487892065-1000_Classes\Local Settings\MuiCache MiniSearchHost.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2100 MiniSearchHost.exe
Processes
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C:\Windows\Explorer.exeC:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\zip_bomb_42.zip1⤵PID:2140
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:1640
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C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PG9lbSBwcm9kdWN0X21hbnVmYWN0dXJlcj0iIiBwcm9kdWN0X25hbWU9IiIvPjxleHAgZXRhZz0iJnF1b3Q7RSt4YkF6Nlk2c1UxMjg5YlM2cWw0VlJMYmtqZkJVR1RNSnNqckhyNDRpST0mcXVvdDsiLz48YXBwIGFwcGlkPSJ7OEE2OUQzNDUtRDU2NC00NjNjLUFGRjEtQTY5RDlFNTMwRjk2fSIgdmVyc2lvbj0iMTIzLjAuNjMxMi4xMjMiIG5leHR2ZXJzaW9uPSIiIGxhbmc9ImVuIiBicmFuZD0iR0dMUyIgY2xpZW50PSIiIGluc3RhbGxhZ2U9IjQiIGluc3RhbGxkYXRldGltZT0iMTczOTI4MjMwMiIgb29iZV9pbnN0YWxsX3RpbWU9IjEzMzgzNzUzNTk3Mjc0MDAwMCI-PGV2ZW50IGV2ZW50dHlwZT0iMzEiIGV2ZW50cmVzdWx0PSIxIiBlcnJvcmNvZGU9IjAiIGV4dHJhY29kZTE9IjIxNzk4NjIiIHN5c3RlbV91cHRpbWVfdGlja3M9IjUxMzA4NTYwNzMiLz48L2FwcD48L3JlcXVlc3Q-1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:4728
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C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:2100
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat
Filesize23KB
MD5a52866cde19a888f704a6e88fd7b0232
SHA195012f733c1f8b320e253158e0e9ffaef4223ccd
SHA256b8f331a1ca1c7717b5bd2f2f7105d7f5f99b481ec25fdb3f08459aa3b39cec83
SHA512a39a9011a0a3c4a74ccb87b02df00daccb6a5968909e1cb6a5d1f41ab29262493e5299e603ba6dc5f06f48f0dd972817b1e914498de39c2f529ad2ed22c11f4a
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C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat
Filesize23KB
MD53c0b335b1d1506dfc3d1f4674b9b6ca9
SHA1b9b553ccc9353535839f1c2a9bf5b311370578d1
SHA2562d49a9d03f69c0048d27892bcd3857961d0b1c7f85fd9e53c41e74b3b18a5141
SHA512a195ab104beaa2119fe42a871c2c246a9779a9728457b1cb0182aa35e93913625389f1c66de88df38817e0a459f06c9600d38d96f9adaf05812ba6d4ba7b29aa