General
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Target
31dc62fe8c67bcf7de78a3c112142d6bd3cf9b5618763724c3517d538ba3ec85_JC.exe
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Size
1.7MB
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Sample
231005-t77ftsef84
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MD5
9b813267a35cefd3aee3a54fc0c29564
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SHA1
367fba7b9f9febcb0bbc518c4b3410a51beadfcf
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SHA256
31dc62fe8c67bcf7de78a3c112142d6bd3cf9b5618763724c3517d538ba3ec85
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SHA512
bd368e75f64807ec804a2f90737a1cb428740b9feb223b8820c27a4f82336e82db65e52b9eaf42631e8ea1742e42a2b0d63c966243cf95e085aa8ff96e6662fc
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SSDEEP
24576:WyeyRqsGJ6XovowX3ZPpMa/BplqsSWd3+2BMTGfgK4BPIlBdBKlN0TalS14ZK:lZ4/os/zJzqsSWdYACSal
Static task
static1
Behavioral task
behavioral1
Sample
31dc62fe8c67bcf7de78a3c112142d6bd3cf9b5618763724c3517d538ba3ec85_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
31dc62fe8c67bcf7de78a3c112142d6bd3cf9b5618763724c3517d538ba3ec85_JC.exe
Resource
win10v2004-20230915-en
Malware Config
Extracted
redline
frant
77.91.124.55:19071
Extracted
amadey
3.89
http://77.91.124.1/theme/index.php
http://77.91.68.78/help/index.php
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install_dir
fefffe8cea
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install_file
explothe.exe
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strings_key
36a96139c1118a354edf72b1080d4b2f
Targets
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Target
31dc62fe8c67bcf7de78a3c112142d6bd3cf9b5618763724c3517d538ba3ec85_JC.exe
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Size
1.7MB
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MD5
9b813267a35cefd3aee3a54fc0c29564
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SHA1
367fba7b9f9febcb0bbc518c4b3410a51beadfcf
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SHA256
31dc62fe8c67bcf7de78a3c112142d6bd3cf9b5618763724c3517d538ba3ec85
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SHA512
bd368e75f64807ec804a2f90737a1cb428740b9feb223b8820c27a4f82336e82db65e52b9eaf42631e8ea1742e42a2b0d63c966243cf95e085aa8ff96e6662fc
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SSDEEP
24576:WyeyRqsGJ6XovowX3ZPpMa/BplqsSWd3+2BMTGfgK4BPIlBdBKlN0TalS14ZK:lZ4/os/zJzqsSWdYACSal
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Detect Mystic stealer payload
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload
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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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Adds Run key to start application
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1