General
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Target
5fb711b7f466e11583bada6aaf7caaa16a87ba14c78d3e5c04d1ffd0f5b37ba9_JC.exe
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Size
1.1MB
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Sample
231010-v8wldsfb2t
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MD5
a323d6f3a31f886c21b60301a3e44ca2
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SHA1
59759d8c1589ce9a9c28679b9f0d3a7e4f5ccef9
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SHA256
5fb711b7f466e11583bada6aaf7caaa16a87ba14c78d3e5c04d1ffd0f5b37ba9
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SHA512
af90aa1b41ae083cc6ea590c04370f1f3f590c0811d1d9e49897d5b086ff475bf08b6193022ee9195dac3011cab9fd2b458cbe32ab58a2888d3591780e9c021d
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SSDEEP
24576:HyBIAvDMrV8cp4SMVb1HlHg6fkt7M5hTeDmF0T9YQkusl0:SGQcOSMVb1HlHFsOjQku
Static task
static1
Behavioral task
behavioral1
Sample
5fb711b7f466e11583bada6aaf7caaa16a87ba14c78d3e5c04d1ffd0f5b37ba9_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
5fb711b7f466e11583bada6aaf7caaa16a87ba14c78d3e5c04d1ffd0f5b37ba9_JC.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
smokeloader
up3
Extracted
smokeloader
2020
http://host-file-host6.com/
http://host-host-file8.com/
Extracted
redline
6012068394_99
https://pastebin.com/raw/8baCJyMF
Targets
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Target
5fb711b7f466e11583bada6aaf7caaa16a87ba14c78d3e5c04d1ffd0f5b37ba9_JC.exe
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Size
1.1MB
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MD5
a323d6f3a31f886c21b60301a3e44ca2
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SHA1
59759d8c1589ce9a9c28679b9f0d3a7e4f5ccef9
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SHA256
5fb711b7f466e11583bada6aaf7caaa16a87ba14c78d3e5c04d1ffd0f5b37ba9
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SHA512
af90aa1b41ae083cc6ea590c04370f1f3f590c0811d1d9e49897d5b086ff475bf08b6193022ee9195dac3011cab9fd2b458cbe32ab58a2888d3591780e9c021d
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SSDEEP
24576:HyBIAvDMrV8cp4SMVb1HlHg6fkt7M5hTeDmF0T9YQkusl0:SGQcOSMVb1HlHFsOjQku
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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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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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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