Analysis
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max time kernel
142s -
max time network
143s -
platform
windows11-21h2_x64 -
resource
win11-20250218-en -
resource tags
arch:x64arch:x86image:win11-20250218-enlocale:en-usos:windows11-21h2-x64system -
submitted
02/03/2025, 03:35
General
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Target
loader.exe
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Size
49KB
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MD5
b1e135b13711ae91bedad8c0051b9a82
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SHA1
574f39cc52819241d99f711bde4de6295c696eb4
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SHA256
7847d8ec4fbd4b2babb90711141c3f155a19830f7460f93ebff7e5a84a507fa3
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SHA512
ef8f7c46d1e3e4be2370e2b88420e95f2eb70b94365dca5349b72d952b6f3c4ec060e9abd86b9235f0427897250a6f08b8b941f0a1dfe1bbf0a4a6886e9d7cbc
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SSDEEP
768:HmfAt0ZycM4P1hUyXUF+0BB8utdGze410m2FN79e3S6MOAhMHWcn+U:HmC0ZyQhYF7XtdGPEF19OS6MOA2Wc
Malware Config
Extracted
Family
xworm
Version
5.0
Mutex
eVBE84iJqw0d8EjH
Attributes
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Install_directory
%Temp%
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install_file
USB.exe
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pastebin_url
https://pastebin.com/raw/H3wFXmEi
aes.plain
Signatures
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Detect Xworm Payload 1 IoCs
resource yara_rule behavioral1/memory/4144-1-0x0000000000350000-0x0000000000362000-memory.dmp family_xworm -
Xworm family
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 2 ip-api.com -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4144 loader.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\loader.exe"C:\Users\Admin\AppData\Local\Temp\loader.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4144
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --string-annotations --always-read-main-dll --field-trial-handle=4552,i,12331736354284649584,1031380232325094842,262144 --variations-seed-version --mojo-platform-channel-handle=3708 /prefetch:141⤵PID:1860
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --string-annotations --always-read-main-dll --field-trial-handle=5072,i,12331736354284649584,1031380232325094842,262144 --variations-seed-version --mojo-platform-channel-handle=4068 /prefetch:141⤵PID:1548