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General
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Target
mapper918.exe
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Size
788KB
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Sample
230521-r4ewasdd2y
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MD5
9a8c51a212f4e459593cdd7f833d06c0
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SHA1
c7c0fb20616f7916e967bc7e09a78ea9e86ce68a
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SHA256
17e627f0cc8314de0c16f1a7bdbd1c21e3694a73b9b81845c4ca76d47a0e04de
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SHA512
4ce1f540d785ed5144926346c3088b306f51fd035d1ebd82f1c883517851f6e55b5fb1de4fb1997daca4e31ba71a67ea7d0d83fd3b9b6b183497ab8c5dda9194
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SSDEEP
12288:X44GZxRMcH6mr0ZB2N7KKFn/Od6inHbNAphxwB+dVrv9VQOUEW+2v0on:XkZxRKmAB4GKN2d6iH2z1v9aOUqU
Static task
static1
Behavioral task
behavioral1
Sample
mapper918.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
mapper918.exe
Resource
win10v2004-20230220-en
Malware Config
Extracted
djvu
http://zexeq.com/lancer/get.php
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extension
.gatq
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offline_id
jB2aJtVEWRwbJf76a6OKB8sn0BtTgNlHYUC5wLt1
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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
3.9
9dfa7ee730fa2f1efb5ed51dbbec22f5
https://steamcommunity.com/profiles/76561199263069598
https://t.me/cybehost
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profile_id_v2
9dfa7ee730fa2f1efb5ed51dbbec22f5
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user_agent
Mozilla/5.0 (compatible; Konqueror/3.5; Linux) KHTML/3.5.7 (like Gecko) (Debian)
Targets
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Target
mapper918.exe
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Size
788KB
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MD5
9a8c51a212f4e459593cdd7f833d06c0
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SHA1
c7c0fb20616f7916e967bc7e09a78ea9e86ce68a
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SHA256
17e627f0cc8314de0c16f1a7bdbd1c21e3694a73b9b81845c4ca76d47a0e04de
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SHA512
4ce1f540d785ed5144926346c3088b306f51fd035d1ebd82f1c883517851f6e55b5fb1de4fb1997daca4e31ba71a67ea7d0d83fd3b9b6b183497ab8c5dda9194
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SSDEEP
12288:X44GZxRMcH6mr0ZB2N7KKFn/Od6inHbNAphxwB+dVrv9VQOUEW+2v0on:XkZxRKmAB4GKN2d6iH2z1v9aOUqU
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Detected Djvu ransomware
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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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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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