General
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Target
a7115481c1a407b98c614f6c4583c62b8708ebfc5b0341011a402f07a9fc39fc_JC.exe
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Size
1.4MB
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Sample
230923-xttjlabf57
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MD5
6864b0e82b32046fb60220ec37efe795
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SHA1
a7fd11e2e4a19a7bcffdcaf04fb35b48749d8b4b
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SHA256
a7115481c1a407b98c614f6c4583c62b8708ebfc5b0341011a402f07a9fc39fc
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SHA512
aa6b2688fb420e5c0c3ddd8e2442ecf410c5cb0ea7a26a94bdb03f48d7dc83edb2fa43ffb20cf8b7a59ddce5048c4f6a9459689a34461ca87796990a7560da82
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SSDEEP
24576:hyTpCEXy0SfnhaDDTmEXfPXeKBy+3rn5zlJZ+RKpdNC8P:UojnhUTm6By+790Ods8
Static task
static1
Behavioral task
behavioral1
Sample
a7115481c1a407b98c614f6c4583c62b8708ebfc5b0341011a402f07a9fc39fc_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
a7115481c1a407b98c614f6c4583c62b8708ebfc5b0341011a402f07a9fc39fc_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
a7115481c1a407b98c614f6c4583c62b8708ebfc5b0341011a402f07a9fc39fc_JC.exe
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Size
1.4MB
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MD5
6864b0e82b32046fb60220ec37efe795
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SHA1
a7fd11e2e4a19a7bcffdcaf04fb35b48749d8b4b
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SHA256
a7115481c1a407b98c614f6c4583c62b8708ebfc5b0341011a402f07a9fc39fc
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SHA512
aa6b2688fb420e5c0c3ddd8e2442ecf410c5cb0ea7a26a94bdb03f48d7dc83edb2fa43ffb20cf8b7a59ddce5048c4f6a9459689a34461ca87796990a7560da82
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SSDEEP
24576:hyTpCEXy0SfnhaDDTmEXfPXeKBy+3rn5zlJZ+RKpdNC8P:UojnhUTm6By+790Ods8
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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