General
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Target
file
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Size
1.5MB
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Sample
231023-tw9f2sac7t
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MD5
ce40fcc1f95b0c6d4f7a21c08d49a17c
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SHA1
703099eee297196e642eba4781f9542ba8fbfed8
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SHA256
3dddb80ed9de80b4d7c31ecd952500294af3f235a6a0c52a5adfcb35a07a8a7a
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SHA512
968632c5d9f97024d2ae63bd9794d351ad1d5a43ba5da392c01e6c7a7a035a2e4e9d1ceb084baf108b2bb39bd1d2d410fd0dbcc5ed5c26afe3bc847b3042c9be
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SSDEEP
49152:ncNhZC2U+qtQFaQmk+YP4RHugqtrW+P2Zf:AC2URaas+YP4RHdqtrv2Z
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20231020-en
Malware Config
Extracted
smokeloader
2022
http://77.91.68.29/fks/
http://yvzgz.cyou/index.php
https://yvzgz.cyou/index.php
Extracted
redline
grome
77.91.124.86:19084
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
kinza
77.91.124.86:19084
Extracted
smokeloader
up3
Extracted
redline
YT&TEAM CLOUD
185.216.70.238:37515
Extracted
smokeloader
2020
http://host-file-host6.com/
http://host-host-file8.com/
Extracted
asyncrat
Venom RAT + HVNC + Stealer + Grabber v6.0.3
Default
89.23.100.93:4449
oonrejgwedvxwse
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delay
1
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install
true
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install_file
calc.exe
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install_folder
%AppData%
Targets
-
-
Target
file
-
Size
1.5MB
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MD5
ce40fcc1f95b0c6d4f7a21c08d49a17c
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SHA1
703099eee297196e642eba4781f9542ba8fbfed8
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SHA256
3dddb80ed9de80b4d7c31ecd952500294af3f235a6a0c52a5adfcb35a07a8a7a
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SHA512
968632c5d9f97024d2ae63bd9794d351ad1d5a43ba5da392c01e6c7a7a035a2e4e9d1ceb084baf108b2bb39bd1d2d410fd0dbcc5ed5c26afe3bc847b3042c9be
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SSDEEP
49152:ncNhZC2U+qtQFaQmk+YP4RHugqtrW+P2Zf:AC2URaas+YP4RHdqtrv2Z
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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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Glupteba 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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Suspicious use of NtCreateUserProcessOtherParentProcess
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Async RAT payload
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Blocklisted process makes network request
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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