General
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Target
6261c877c8f815cfd5dcd4f956c9d301ed9f92037a76371a1bb8a19b1c2c36bf
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Size
147KB
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Sample
221126-j8cmqshd8y
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MD5
2d31f14d6e143d099ac6c71876a59e41
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SHA1
a0895db8084ddeedd27168d12fb2918cb156d9f7
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SHA256
6261c877c8f815cfd5dcd4f956c9d301ed9f92037a76371a1bb8a19b1c2c36bf
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SHA512
8eb5ee3965270d3e2bdc99bf4254151d3a678d173b062e8b6cb369a826ee3eb81b6bf3724bbce9ed32ed45e2c8fa8b68dbc468ae1e4bad0074ef658d693934d5
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SSDEEP
3072:i9yoLetGVizl65oCZY4y181Bl8P3O8Zi4ylKjUC/hEr09:FZGVyN4TBV4yJCJE8
Static task
static1
Behavioral task
behavioral1
Sample
6261c877c8f815cfd5dcd4f956c9d301ed9f92037a76371a1bb8a19b1c2c36bf.exe
Resource
win10v2004-20220901-en
Malware Config
Extracted
djvu
http://fresherlights.com/lancer/get.php
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extension
.kcbu
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offline_id
hlqzhQ6w5SquNDF4Ul2XBDJQkSIKbAT6rmRBTit1
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payload_url
http://uaery.top/dl/build2.exe
http://fresherlights.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
55.9
517
https://t.me/headshotsonly
https://steamcommunity.com/profiles/76561199436777531
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profile_id
517
Targets
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Target
6261c877c8f815cfd5dcd4f956c9d301ed9f92037a76371a1bb8a19b1c2c36bf
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Size
147KB
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MD5
2d31f14d6e143d099ac6c71876a59e41
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SHA1
a0895db8084ddeedd27168d12fb2918cb156d9f7
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SHA256
6261c877c8f815cfd5dcd4f956c9d301ed9f92037a76371a1bb8a19b1c2c36bf
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SHA512
8eb5ee3965270d3e2bdc99bf4254151d3a678d173b062e8b6cb369a826ee3eb81b6bf3724bbce9ed32ed45e2c8fa8b68dbc468ae1e4bad0074ef658d693934d5
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SSDEEP
3072:i9yoLetGVizl65oCZY4y181Bl8P3O8Zi4ylKjUC/hEr09:FZGVyN4TBV4yJCJE8
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Detected Djvu ransomware
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Detects Smokeloader packer
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Modifies visibility of file extensions in Explorer
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Modifies visiblity of hidden/system files in Explorer
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Downloads MZ/PE file
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Executes dropped EXE
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Loads dropped DLL
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Modifies file permissions
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Accesses Microsoft Outlook profiles
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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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MITRE ATT&CK Matrix ATT&CK v6
Persistence
Hidden Files and Directories
2Registry Run Keys / Startup Folder
1Scheduled Task
1Defense Evasion
Hidden Files and Directories
2Modify Registry
4File Permissions Modification
1