General
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Target
da9f781614a5df1a7f76e2823.exe
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Size
715KB
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Sample
230625-me9bdseg2y
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MD5
da9f781614a5df1a7f76e2823a442d84
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SHA1
603d59490e18dcb5b2b993ddec9bb4edea7fc55e
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SHA256
078223b567e70ff5c536f9d2beea54309962301fbd5273cdd2be8e8fe082e99f
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SHA512
b888ecf95ac7b9370bf270c0dd4045face5807bddab5e951cab4a5adbd09d13f824b01e7698d37c33a5ced02f4834e1e5b36731e6d5d4a8d5a514529a5e11a28
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SSDEEP
12288:w/IkvaA5id7YeQc9wQCuX/QmfhDlP41YBfyHujTOh+hDM34lpOXHGipocZZNt:w/iA4dU1c9BtfhDlPkYBfyOvCwDMIlI3
Malware Config
Extracted
djvu
http://zexeq.com/test1/get.php
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extension
.tghz
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offline_id
hZRMDGn2o1XdryxaQbOJI60EuHBvAbPnWEccdDt1
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payload_url
http://colisumy.com/dl/build2.exe
http://zexeq.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
4.4
153ce668f1e21829c936c2b11fa4d869
https://steamcommunity.com/profiles/76561199235044780
https://t.me/headlist
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profile_id_v2
153ce668f1e21829c936c2b11fa4d869
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user_agent
Mozilla/5.0 (Linux; Android 7.0; Pixel C Build/NRD91D; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/53.0.2785.124 Safari/537.36
Targets
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Target
da9f781614a5df1a7f76e2823.exe
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Size
715KB
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MD5
da9f781614a5df1a7f76e2823a442d84
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SHA1
603d59490e18dcb5b2b993ddec9bb4edea7fc55e
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SHA256
078223b567e70ff5c536f9d2beea54309962301fbd5273cdd2be8e8fe082e99f
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SHA512
b888ecf95ac7b9370bf270c0dd4045face5807bddab5e951cab4a5adbd09d13f824b01e7698d37c33a5ced02f4834e1e5b36731e6d5d4a8d5a514529a5e11a28
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SSDEEP
12288:w/IkvaA5id7YeQc9wQCuX/QmfhDlP41YBfyHujTOh+hDM34lpOXHGipocZZNt:w/iA4dU1c9BtfhDlPkYBfyOvCwDMIlI3
Score10/10-
Detected Djvu ransomware
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Djvu Ransomware
Ransomware which is a variant of the STOP family.
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Vidar
Vidar is an infostealer based on Arkei stealer.
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Downloads MZ/PE file
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Modifies file permissions
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Reads user/profile data of web browsers
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses 2FA software files, possible credential harvesting
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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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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext
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