General
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Target
31e3172965034d615829287e98391877efd324bd0a9629915e730138f84419a8
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Size
1.0MB
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Sample
230923-18wjaacd85
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MD5
f87f3dd471e12b1d78046225908e2289
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SHA1
d903b0bbdd441b1e62287a533f304ff5c4be37db
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SHA256
31e3172965034d615829287e98391877efd324bd0a9629915e730138f84419a8
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SHA512
5311ff055993bfbe31df6893d312626f7aa013730e55c0997c16c9b739919a5c45b5e22842500ffc750be99835375506e20c56eb3462477b533723a39b7c98a0
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SSDEEP
24576:syvIiV/zqScH1y2q3ou9XmAxwSkRAUu8Pz6AcdmlmRPYD0LrwsF5kglN:bvDVLqVH1Xw9XXkRwZ5d9gewsDkE
Static task
static1
Behavioral task
behavioral1
Sample
31e3172965034d615829287e98391877efd324bd0a9629915e730138f84419a8.exe
Resource
win10v2004-20230915-en
Malware Config
Extracted
redline
nanya
77.91.124.82:19071
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auth_value
640aa5afe54f566d8795f0dc723f8b52
Extracted
amadey
3.89
http://77.91.68.52/mac/index.php
http://77.91.68.78/help/index.php
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install_dir
fefffe8cea
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install_file
explonde.exe
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strings_key
916aae73606d7a9e02a1d3b47c199688
Extracted
smokeloader
2022
http://servermlogs27.xyz/statweb255/
http://servmblog45.xyz/statweb255/
http://demblog575.xyz/statweb255/
http://admlogs85x.xyz/statweb255/
http://blogmstat389.xyz/statweb255/
http://blogmstat255.xyz/statweb255/
Extracted
C:\info.hta
class='mark'>[email protected]</span></div>
http://www.w3.org/TR/html4/strict.dtd'>
Targets
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Target
31e3172965034d615829287e98391877efd324bd0a9629915e730138f84419a8
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Size
1.0MB
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MD5
f87f3dd471e12b1d78046225908e2289
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SHA1
d903b0bbdd441b1e62287a533f304ff5c4be37db
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SHA256
31e3172965034d615829287e98391877efd324bd0a9629915e730138f84419a8
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SHA512
5311ff055993bfbe31df6893d312626f7aa013730e55c0997c16c9b739919a5c45b5e22842500ffc750be99835375506e20c56eb3462477b533723a39b7c98a0
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SSDEEP
24576:syvIiV/zqScH1y2q3ou9XmAxwSkRAUu8Pz6AcdmlmRPYD0LrwsF5kglN:bvDVLqVH1Xw9XXkRwZ5d9gewsDkE
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AmmyyAdmin payload
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Detect rhadamanthys stealer shellcode
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Detects Healer an antivirus disabler dropper
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FlawedAmmyy RAT
Remote-access trojan based on leaked code for the Ammyy remote admin software.
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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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Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Modifies boot configuration data using bcdedit
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Renames multiple (470) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Downloads MZ/PE file
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Modifies Windows Firewall
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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Accesses Microsoft Outlook profiles
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Adds Run key to start application
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Drops desktop.ini file(s)
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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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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating 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
2Pre-OS Boot
1Bootkit
1Scheduled 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
1Disable or Modify Tools
1Indicator Removal
3File Deletion
3Modify Registry
2Pre-OS Boot
1Bootkit
1