General
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Target
ChatGPT (Bot).zip
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Size
7.1MB
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Sample
230430-yxckxsah25
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MD5
d2f022536243004be4a21092f99b8d0f
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SHA1
856b042c9fdf1604679be190acb1c2068cb52730
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SHA256
c1fe20b075cd91dbe6454422825af7b98d5e4914c00f81612c18a5be7f8cd509
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SHA512
076e79b7521467a3e204d5cf820f6a312bf9eb8d581b0d0c6a6d96235c9f8284fed92d8b3a546fa6b0603743d5b90f64f6b596e13b2b44efc63930e09e3e5852
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SSDEEP
98304:3unHAbqD9nF3jbQD3l6rMgXneBMYFzxVyOax5Zg2ILh7shAUA:3unHAuD9ljzG3xAZ/TkshAUA
Behavioral task
behavioral1
Sample
ChatGPT (Bot).zip
Resource
win10v2004-20230220-en
Malware Config
Extracted
vidar
3.6
71cdfc44f141586243159aa45037497d
https://steamcommunity.com/profiles/76561199499188534
https://t.me/nutalse
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profile_id_v2
71cdfc44f141586243159aa45037497d
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user_agent
Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36
Extracted
laplas
http://45.159.189.105
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api_key
7ee57b1f6d4aff08f9755119b18cf0754b677addcb6a3063066112b10a357a8e
Targets
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Target
ChatGPT (Bot).zip
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Size
7.1MB
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MD5
d2f022536243004be4a21092f99b8d0f
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SHA1
856b042c9fdf1604679be190acb1c2068cb52730
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SHA256
c1fe20b075cd91dbe6454422825af7b98d5e4914c00f81612c18a5be7f8cd509
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SHA512
076e79b7521467a3e204d5cf820f6a312bf9eb8d581b0d0c6a6d96235c9f8284fed92d8b3a546fa6b0603743d5b90f64f6b596e13b2b44efc63930e09e3e5852
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SSDEEP
98304:3unHAbqD9nF3jbQD3l6rMgXneBMYFzxVyOax5Zg2ILh7shAUA:3unHAuD9ljzG3xAZ/TkshAUA
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Downloads MZ/PE file
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Executes dropped EXE
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Loads dropped DLL
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Adds Run key to start application
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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