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General
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Target
NEAS.319d89eb4bc1fde194704b86466c0be5ffebb433d40cb187530c7f458ff5b477exe_JC.exe
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Size
230KB
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Sample
231023-t8vtesaf6s
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MD5
1df3a5bb06cc6d4176fd4bb3fe5f6bcc
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SHA1
de3a5be9c1f9b4dbf905b3d5ad02cadb83787233
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SHA256
319d89eb4bc1fde194704b86466c0be5ffebb433d40cb187530c7f458ff5b477
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SHA512
d6f136eead9121f1d56ebd6661f1d2810a542948e03eaa4c97b2510fb3b202400410fa1c4c3de41d8753d7d59c50763298241bbdfe125611bfa33d8b599d2de8
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SSDEEP
6144:7mbX4FIRd5DzznuBosiDKl51eAORBozDKPs6/laTi:74IKd5DPyefBoGrkTi
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.319d89eb4bc1fde194704b86466c0be5ffebb433d40cb187530c7f458ff5b477exe_JC.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
NEAS.319d89eb4bc1fde194704b86466c0be5ffebb433d40cb187530c7f458ff5b477exe_JC.exe
Resource
win10v2004-20231023-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
redline
YT&TEAM CLOUD
185.216.70.238:37515
Extracted
smokeloader
up3
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
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Target
NEAS.319d89eb4bc1fde194704b86466c0be5ffebb433d40cb187530c7f458ff5b477exe_JC.exe
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Size
230KB
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MD5
1df3a5bb06cc6d4176fd4bb3fe5f6bcc
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SHA1
de3a5be9c1f9b4dbf905b3d5ad02cadb83787233
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SHA256
319d89eb4bc1fde194704b86466c0be5ffebb433d40cb187530c7f458ff5b477
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SHA512
d6f136eead9121f1d56ebd6661f1d2810a542948e03eaa4c97b2510fb3b202400410fa1c4c3de41d8753d7d59c50763298241bbdfe125611bfa33d8b599d2de8
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SSDEEP
6144:7mbX4FIRd5DzznuBosiDKl51eAORBozDKPs6/laTi:74IKd5DPyefBoGrkTi
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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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Modifies boot configuration data using bcdedit
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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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Possible attempt to disable PatchGuard
Rootkits can use kernel patching to embed themselves in an operating system.
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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
1Defense Evasion
Impair Defenses
5Disable or Modify Tools
3Modify Registry
6Subvert Trust Controls
1Install Root Certificate
1