General
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Target
soso.exe
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Size
307KB
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Sample
230903-ttw3yaah91
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MD5
55f845c433e637594aaf872e41fda207
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SHA1
1188348ca7e52f075e7d1d0031918c2cea93362e
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SHA256
f9f9b154f928549c7a4b484909f41352048ce8148c678f4ec32c807c1d173a39
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SHA512
5a9b5e83b41041259060e3a29163cdd5ed271c5d476fa455b40ec9bc32bf4bcddaf3aa1ba23faacc2669be420acb905677ec4fcfb3d69e7b9f7908ae5cbd18a4
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SSDEEP
6144:GUG2bcUH6Z0+ReEjhVsJgAmkMAIeuudb8MT8AOacOZS:GU9bIeEdVsJqeuudbFT8SZS
Malware Config
Extracted
amadey
3.87
79.137.192.18/9bDc8sQ/index.php
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install_dir
577f58beff
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install_file
yiueea.exe
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strings_key
a5085075a537f09dec81cc154ec0af4d
Extracted
redline
010923
happy1sept.tuktuk.ug:11290
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auth_value
8338bf26f599326ee45afe9d54f7ef8e
Extracted
laplas
http://lpls.tuktuk.ug
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api_key
a0f588021b58e0c7908a163f8750678efedf2a66bf739a12427b379aef47ccde
Targets
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Target
soso.exe
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Size
307KB
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MD5
55f845c433e637594aaf872e41fda207
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SHA1
1188348ca7e52f075e7d1d0031918c2cea93362e
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SHA256
f9f9b154f928549c7a4b484909f41352048ce8148c678f4ec32c807c1d173a39
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SHA512
5a9b5e83b41041259060e3a29163cdd5ed271c5d476fa455b40ec9bc32bf4bcddaf3aa1ba23faacc2669be420acb905677ec4fcfb3d69e7b9f7908ae5cbd18a4
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SSDEEP
6144:GUG2bcUH6Z0+ReEjhVsJgAmkMAIeuudb8MT8AOacOZS:GU9bIeEdVsJqeuudbFT8SZS
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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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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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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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Stops running service(s)
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Deletes itself
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Executes dropped EXE
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Loads dropped DLL
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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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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 NtSetInformationThreadHideFromDebugger
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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
3Disable or Modify Tools
2Modify Registry
4Virtualization/Sandbox Evasion
1