General
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Target
b8139a919e092d8c3128bdb3857c46c980769ddd489ec64c2dc22dd4a2ae60d6
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Size
1.1MB
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Sample
231010-cfmtnshh7y
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MD5
0637f8ca85b51d4ab2df9b0d58f26db3
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SHA1
c4b2739d2a79727f53c3cbf0a7e32cf73645a868
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SHA256
b8139a919e092d8c3128bdb3857c46c980769ddd489ec64c2dc22dd4a2ae60d6
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SHA512
97491c463e0b66380af5bef7a0920b36349abbca3d2ca1cecbae5c3b7c4e021fa1703d5e0bae00aa06e991f38e07684faa356ab5004375d3458d979fe7fad212
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SSDEEP
24576:uye2bFkdYJRDEbO6t1Gab3AOZtyFDWdnd1hVe6zSnlfHe:9Q6jDEHFvqynneLf
Static task
static1
Behavioral task
behavioral1
Sample
b8139a919e092d8c3128bdb3857c46c980769ddd489ec64c2dc22dd4a2ae60d6.exe
Resource
win10v2004-20230915-en
Malware Config
Extracted
redline
magia
77.91.124.55:19071
Extracted
smokeloader
2022
http://77.91.68.29/fks/
Extracted
redline
lutyr
77.91.124.55:19071
Extracted
amadey
3.89
http://77.91.124.1/theme/index.php
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install_dir
fefffe8cea
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install_file
explothe.exe
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strings_key
36a96139c1118a354edf72b1080d4b2f
Extracted
redline
6012068394_99
https://pastebin.com/raw/8baCJyMF
Targets
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Target
b8139a919e092d8c3128bdb3857c46c980769ddd489ec64c2dc22dd4a2ae60d6
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Size
1.1MB
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MD5
0637f8ca85b51d4ab2df9b0d58f26db3
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SHA1
c4b2739d2a79727f53c3cbf0a7e32cf73645a868
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SHA256
b8139a919e092d8c3128bdb3857c46c980769ddd489ec64c2dc22dd4a2ae60d6
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SHA512
97491c463e0b66380af5bef7a0920b36349abbca3d2ca1cecbae5c3b7c4e021fa1703d5e0bae00aa06e991f38e07684faa356ab5004375d3458d979fe7fad212
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SSDEEP
24576:uye2bFkdYJRDEbO6t1Gab3AOZtyFDWdnd1hVe6zSnlfHe:9Q6jDEHFvqynneLf
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DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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Detects Healer an antivirus disabler dropper
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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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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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Adds Run key to start application
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Legitimate hosting services abused for malware hosting/C2
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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
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1