General
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Target
NEAS.2d45036bb89c23f86f168aef35272119f5d5605e688c1b603c457135bae00494exe_JC.exe
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Size
1.1MB
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Sample
231009-sr38ssfg83
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MD5
fcea84519c2dfd2552d7244645500acf
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SHA1
f01bd9c9138637682054bd9a0660c3d864a32279
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SHA256
2d45036bb89c23f86f168aef35272119f5d5605e688c1b603c457135bae00494
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SHA512
d7f9cf27a731e386ad01921deb6303d5c287440f4e1031bfe9b5971cecf6991823980e41fc531304716e3a7586b5b2d733dc9769e3a3707faed5e04030d62137
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SSDEEP
24576:iycYjyJ4arDWfiTap4xWy4E9cbe+94RA1ffkYPDqwju:Jzjy+ar6fWap44yTm942EYn
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.2d45036bb89c23f86f168aef35272119f5d5605e688c1b603c457135bae00494exe_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
NEAS.2d45036bb89c23f86f168aef35272119f5d5605e688c1b603c457135bae00494exe_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
redline
lutyr
77.91.124.55:19071
Targets
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Target
NEAS.2d45036bb89c23f86f168aef35272119f5d5605e688c1b603c457135bae00494exe_JC.exe
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Size
1.1MB
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MD5
fcea84519c2dfd2552d7244645500acf
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SHA1
f01bd9c9138637682054bd9a0660c3d864a32279
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SHA256
2d45036bb89c23f86f168aef35272119f5d5605e688c1b603c457135bae00494
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SHA512
d7f9cf27a731e386ad01921deb6303d5c287440f4e1031bfe9b5971cecf6991823980e41fc531304716e3a7586b5b2d733dc9769e3a3707faed5e04030d62137
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SSDEEP
24576:iycYjyJ4arDWfiTap4xWy4E9cbe+94RA1ffkYPDqwju:Jzjy+ar6fWap44yTm942EYn
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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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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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Downloads MZ/PE file
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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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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
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1