General
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Target
2e05358b2c35a5279467c6780ae16c68.exe
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Size
6.1MB
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Sample
230807-kbvbysed53
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MD5
2e05358b2c35a5279467c6780ae16c68
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SHA1
833537db4ed37ebdf490d4085e236333ba36ffb0
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SHA256
41052dd1d4bceddb8765359ef8e1f319fed55ce6c427e47f7eddebaf740ac97d
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SHA512
be9563c965ea01eca523e806fc9e69a4a0e6cecfe653e04b6deadda046d57fa9bfa766bfe6086bfb800fcaab8b99c71330cd342eaa2bb938d60c07b84763421e
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SSDEEP
98304:9lvGIat2c2MyIfL50dC0R+1VlR88ZBgTCh1m4V/:9lvG1FyIT5lmqeT+r
Static task
static1
Behavioral task
behavioral1
Sample
2e05358b2c35a5279467c6780ae16c68.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
2e05358b2c35a5279467c6780ae16c68.exe
Resource
win10v2004-20230703-en
Malware Config
Extracted
redline
KMSpico-Ad
107.189.13.48:41805
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auth_value
6ac304450f04a28ca3b5bc80d4f05224
Extracted
quasar
1.3.0.0
Adware 1.1
proxy-29837846723.com:80
ewmh50NpQc3nWUoNTl
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encryption_key
1lTgL3je84LTD6QrtS40
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
30000
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startup_key
Quasar Client Startup
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subdirectory
SubDir
Targets
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Target
2e05358b2c35a5279467c6780ae16c68.exe
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Size
6.1MB
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MD5
2e05358b2c35a5279467c6780ae16c68
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SHA1
833537db4ed37ebdf490d4085e236333ba36ffb0
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SHA256
41052dd1d4bceddb8765359ef8e1f319fed55ce6c427e47f7eddebaf740ac97d
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SHA512
be9563c965ea01eca523e806fc9e69a4a0e6cecfe653e04b6deadda046d57fa9bfa766bfe6086bfb800fcaab8b99c71330cd342eaa2bb938d60c07b84763421e
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SSDEEP
98304:9lvGIat2c2MyIfL50dC0R+1VlR88ZBgTCh1m4V/:9lvG1FyIT5lmqeT+r
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Contains code to disable Windows Defender
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
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Quasar payload
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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XMRig Miner payload
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Creates new service(s)
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Drops startup file
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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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Legitimate hosting services abused for malware hosting/C2
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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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
1