General
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Target
file
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Size
1.2MB
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Sample
231010-m6hmraeh96
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MD5
3e6f126dd9f0b2c99fdeab0d5a6e4987
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SHA1
dc1a2c46a2e4568b68273f9ba3ecbff4db6cc000
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SHA256
9f5eee49a567b16dcc15fa62251c29b48114df6591a60dc8d00d34e83ca80dc8
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SHA512
045486f7ffeba033e87213cc081ce314c7cd0e107e1e27e618563b169f233be3dcddb583c4151a62c75d3c73293c12bd2d49c074b5353fb57a0b611192264bcd
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SSDEEP
24576:Byo7jh57gT655zP4IbNzZj2tTiGrlu5R2+Phl9gZSkI/CdsTMjtrej1jJi:0O58T65Bl0t2Grlu5nPhl9OuCSTMj0tJ
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
file.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
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
lutyr
77.91.124.55:19071
Extracted
redline
6012068394_99
https://pastebin.com/raw/8baCJyMF
Extracted
smokeloader
up3
Extracted
smokeloader
2020
http://host-file-host6.com/
http://host-host-file8.com/
Targets
-
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Target
file
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Size
1.2MB
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MD5
3e6f126dd9f0b2c99fdeab0d5a6e4987
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SHA1
dc1a2c46a2e4568b68273f9ba3ecbff4db6cc000
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SHA256
9f5eee49a567b16dcc15fa62251c29b48114df6591a60dc8d00d34e83ca80dc8
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SHA512
045486f7ffeba033e87213cc081ce314c7cd0e107e1e27e618563b169f233be3dcddb583c4151a62c75d3c73293c12bd2d49c074b5353fb57a0b611192264bcd
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SSDEEP
24576:Byo7jh57gT655zP4IbNzZj2tTiGrlu5R2+Phl9gZSkI/CdsTMjtrej1jJi:0O58T65Bl0t2Grlu5nPhl9OuCSTMj0tJ
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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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Suspicious use of NtCreateUserProcessOtherParentProcess
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Downloads MZ/PE file
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Drops file in Drivers directory
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Modifies Windows Firewall
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Stops running service(s)
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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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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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Legitimate hosting services abused for malware hosting/C2
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Drops file in System32 directory
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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
3Windows Service
3Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
3Windows Service
3Scheduled Task/Job
1