General
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Target
455D2C547DCACC8B6794A3FA0CCCEAC9.exe
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Size
10.1MB
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Sample
210419-dl277naane
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MD5
455d2c547dcacc8b6794a3fa0ccceac9
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SHA1
6efbe33712bddc491f54d7e03d7626941b7bd397
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SHA256
6e8a0a30744ed0130a2b32997e03ba5c07339ddf22e76c7ca64882d5d3f8cc4f
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SHA512
a4354ce47ae24ec6bb656ad6b80b07335da392de8e7c1c007ebd9b50e42cb0d7714ddc06597d8bde44ebea1c189220d7f5d263de6937e30ccb31ac3e7473c013
Static task
static1
Behavioral task
behavioral1
Sample
455D2C547DCACC8B6794A3FA0CCCEAC9.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
455D2C547DCACC8B6794A3FA0CCCEAC9.exe
Resource
win10v20210408
Malware Config
Extracted
https://raw.githubusercontent.com/swagkarna/Bypass-Tamper-Protection/main/NSudo.exe
Targets
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Target
455D2C547DCACC8B6794A3FA0CCCEAC9.exe
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Size
10.1MB
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MD5
455d2c547dcacc8b6794a3fa0ccceac9
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SHA1
6efbe33712bddc491f54d7e03d7626941b7bd397
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SHA256
6e8a0a30744ed0130a2b32997e03ba5c07339ddf22e76c7ca64882d5d3f8cc4f
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SHA512
a4354ce47ae24ec6bb656ad6b80b07335da392de8e7c1c007ebd9b50e42cb0d7714ddc06597d8bde44ebea1c189220d7f5d263de6937e30ccb31ac3e7473c013
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ElysiumStealer
ElysiumStealer (previously known as ZeromaxStealer) is an info stealer that can steal login credentials for various accounts.
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Modifies security service
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Checks for common network interception software
Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.
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Blocklisted process makes network request
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Drops file in Drivers directory
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Executes dropped EXE
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Modifies Windows Firewall
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Possible privilege escalation attempt
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Sets service image path in registry
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Loads dropped DLL
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Modifies file permissions
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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 for any installed AV software in registry
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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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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 Matrix ATT&CK v6
Persistence
Modify Existing Service
3Registry Run Keys / Startup Folder
2BITS Jobs
1Defense Evasion
Modify Registry
6Disabling Security Tools
1File Permissions Modification
1BITS Jobs
1Install Root Certificate
1