General
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Target
c4d9d5dfdbbb900a39263dabe66f3db6de4b6187004a9268c0986841b9554fb8
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Size
977KB
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Sample
231016-c1vd9add37
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MD5
e2440a7786f2eccbf19b2f997a73fba7
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SHA1
3e424d2eb9799f48c487ef607d77d6f8d188bf51
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SHA256
c4d9d5dfdbbb900a39263dabe66f3db6de4b6187004a9268c0986841b9554fb8
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SHA512
9368640aed46db04fc212b248239c146672d818fd0b44948b03d1d50831197bbe8a380664c38a9deaf5cd1debc7428afd0fdaf07e4669b2d6a610007cc5c00b5
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SSDEEP
24576:my4ZVYAqZ/vnyyZuKzvPugoQ34DF7AuOK9xaA:1wjqZ/vy0rvPu1F7AuOK9xa
Static task
static1
Behavioral task
behavioral1
Sample
c4d9d5dfdbbb900a39263dabe66f3db6de4b6187004a9268c0986841b9554fb8.exe
Resource
win10v2004-20230915-en
Malware Config
Extracted
redline
breha
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
kukish
77.91.124.55:19071
Extracted
redline
pixelscloud2.0
85.209.176.128:80
Extracted
redline
@ytlogsbot
185.216.70.238:37515
Targets
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Target
c4d9d5dfdbbb900a39263dabe66f3db6de4b6187004a9268c0986841b9554fb8
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Size
977KB
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MD5
e2440a7786f2eccbf19b2f997a73fba7
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SHA1
3e424d2eb9799f48c487ef607d77d6f8d188bf51
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SHA256
c4d9d5dfdbbb900a39263dabe66f3db6de4b6187004a9268c0986841b9554fb8
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SHA512
9368640aed46db04fc212b248239c146672d818fd0b44948b03d1d50831197bbe8a380664c38a9deaf5cd1debc7428afd0fdaf07e4669b2d6a610007cc5c00b5
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SSDEEP
24576:my4ZVYAqZ/vnyyZuKzvPugoQ34DF7AuOK9xaA:1wjqZ/vy0rvPu1F7AuOK9xa
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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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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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SectopRAT payload
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Downloads MZ/PE file
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Modifies Windows Firewall
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.NET Reactor proctector
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
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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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Uses the VBS compiler for execution
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Adds Run key to start application
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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 Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Defense Evasion
Impair Defenses
2Disable or Modify Tools
2Modify Registry
3Scripting
1