General
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Target
aa57952b8faccbc8d18c1a1614d31dc540ca51980b5290aeb3371c521827b77b_JC.exe
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Size
1.4MB
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Sample
230923-xvxbwabf78
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MD5
2c9547539dd4235bb091d037c492fd75
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SHA1
c019d762c747372977413e37cf78ab0f55c2da7c
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SHA256
aa57952b8faccbc8d18c1a1614d31dc540ca51980b5290aeb3371c521827b77b
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SHA512
c81212f7f951351ba8938fd56c6f9a66015041e77f0714071cc5cb0e13e10d15dfd1bf9b5ab4839b689d7568732fa2d65bf2ee52b65a41ff23c3d2d9069ba669
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SSDEEP
24576:Iyu4M3iB8blq2IFDBuZIoQ29sa0PLxu4W92m8HR4StSUzL100VWc1NNBQhFsH6:Pu4MySlGMZFt9spLxu592m8xUKL10sWQ
Static task
static1
Behavioral task
behavioral1
Sample
aa57952b8faccbc8d18c1a1614d31dc540ca51980b5290aeb3371c521827b77b_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
aa57952b8faccbc8d18c1a1614d31dc540ca51980b5290aeb3371c521827b77b_JC.exe
Resource
win10v2004-20230915-en
Malware Config
Extracted
smokeloader
2022
http://77.91.68.29/fks/
Extracted
fabookie
http://app.nnnaajjjgc.com/check/safe
Extracted
smokeloader
up3
Extracted
smokeloader
2020
http://host-file-host6.com/
http://host-host-file8.com/
Extracted
redline
trush
77.91.124.82:19071
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auth_value
c13814867cde8193679cd0cad2d774be
Targets
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Target
aa57952b8faccbc8d18c1a1614d31dc540ca51980b5290aeb3371c521827b77b_JC.exe
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Size
1.4MB
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MD5
2c9547539dd4235bb091d037c492fd75
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SHA1
c019d762c747372977413e37cf78ab0f55c2da7c
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SHA256
aa57952b8faccbc8d18c1a1614d31dc540ca51980b5290aeb3371c521827b77b
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SHA512
c81212f7f951351ba8938fd56c6f9a66015041e77f0714071cc5cb0e13e10d15dfd1bf9b5ab4839b689d7568732fa2d65bf2ee52b65a41ff23c3d2d9069ba669
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SSDEEP
24576:Iyu4M3iB8blq2IFDBuZIoQ29sa0PLxu4W92m8HR4StSUzL100VWc1NNBQhFsH6:Pu4MySlGMZFt9spLxu592m8xUKL10sWQ
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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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XMRig Miner payload
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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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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