General
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Target
f35af6b2f73cfd08b5c875727450f4b17e2d12dc4e6499da7728fe6826168c1b_JC.exe
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Size
926KB
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Sample
231003-std2paef73
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MD5
435a6a2b51ede5d63f5185e873a9e916
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SHA1
eecd9cf0c82419c48cfeff10053a8748069e9e6a
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SHA256
f35af6b2f73cfd08b5c875727450f4b17e2d12dc4e6499da7728fe6826168c1b
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SHA512
08635e21ad09dc1aebdb79f7fe3bace1664f84b7743024f4745b95bd3b737820544ecc1c9f93f4441d23667c674b4ba9a3b22229e471610c7156e453529c4430
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SSDEEP
24576:DymEaJVFlQfWT50Lj9KEOLjBL37jiYIMlGHd:WKVbQf0Of9VOLXZlGH
Static task
static1
Behavioral task
behavioral1
Sample
f35af6b2f73cfd08b5c875727450f4b17e2d12dc4e6499da7728fe6826168c1b_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
f35af6b2f73cfd08b5c875727450f4b17e2d12dc4e6499da7728fe6826168c1b_JC.exe
Resource
win10v2004-20230915-en
Malware Config
Extracted
smokeloader
2022
http://77.91.68.29/fks/
Extracted
smokeloader
up3
Extracted
redline
@ytlogsbot
176.123.4.46:33783
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auth_value
295b226f1b63bcd55148625381b27b19
Extracted
smokeloader
2020
http://host-file-host6.com/
http://host-host-file8.com/
Extracted
fabookie
http://app.nnnaajjjgc.com/check/safe
Extracted
redline
genda
77.91.124.55:19071
Extracted
redline
gigant
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
jordan
77.91.124.55:19071
Targets
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Target
f35af6b2f73cfd08b5c875727450f4b17e2d12dc4e6499da7728fe6826168c1b_JC.exe
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Size
926KB
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MD5
435a6a2b51ede5d63f5185e873a9e916
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SHA1
eecd9cf0c82419c48cfeff10053a8748069e9e6a
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SHA256
f35af6b2f73cfd08b5c875727450f4b17e2d12dc4e6499da7728fe6826168c1b
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SHA512
08635e21ad09dc1aebdb79f7fe3bace1664f84b7743024f4745b95bd3b737820544ecc1c9f93f4441d23667c674b4ba9a3b22229e471610c7156e453529c4430
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SSDEEP
24576:DymEaJVFlQfWT50Lj9KEOLjBL37jiYIMlGHd:WKVbQf0Of9VOLXZlGH
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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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Detect Fabookie payload
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Detects Healer an antivirus disabler dropper
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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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Modifies boot configuration data using bcdedit
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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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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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Uses the VBS compiler for execution
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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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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
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
4Disable or Modify Tools
3Modify Registry
6Scripting
1Subvert Trust Controls
1Install Root Certificate
1