General
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Target
ReasonLabs-EPP-setup.exe
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Size
1.9MB
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Sample
241027-zaxg9azjhn
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MD5
aaf87d0de3d04a22bf52f344cce45dbb
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SHA1
faf160f62a8d813083e004c73718f80a1dba94e5
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SHA256
6656cc24f67409b0b8dc5f6383b62dbe80e74e6854456c189b17bd1b79a829f5
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SHA512
f96d6fe4633eea6a94b5c73cc4cdd209a84cbf9293a1cc0433af16b7bf68d39571d363244388a098947d8815a3d5571907d541bf767055fdbce782974241c2ab
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SSDEEP
49152:oTl+Ffl0KCV8rEKbhHJikCz/NqoNcugBhnem0XI:oTl+xLRHAVLVNcpip4
Static task
static1
Behavioral task
behavioral1
Sample
ReasonLabs-EPP-setup.exe
Resource
win10v2004-20241007-en
Malware Config
Targets
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Target
ReasonLabs-EPP-setup.exe
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Size
1.9MB
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MD5
aaf87d0de3d04a22bf52f344cce45dbb
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SHA1
faf160f62a8d813083e004c73718f80a1dba94e5
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SHA256
6656cc24f67409b0b8dc5f6383b62dbe80e74e6854456c189b17bd1b79a829f5
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SHA512
f96d6fe4633eea6a94b5c73cc4cdd209a84cbf9293a1cc0433af16b7bf68d39571d363244388a098947d8815a3d5571907d541bf767055fdbce782974241c2ab
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SSDEEP
49152:oTl+Ffl0KCV8rEKbhHJikCz/NqoNcugBhnem0XI:oTl+xLRHAVLVNcpip4
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Cobalt Strike reflective loader
Detects the reflective loader used by Cobalt Strike.
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Cobaltstrike family
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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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DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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Dcrat family
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Process spawned unexpected child process
This typically indicates the parent process was compromised via an exploit or macro.
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Downloads MZ/PE file
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Drops file in Drivers directory
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Credentials from Password Stores: Windows Credential Manager
Suspicious access to Credentials History.
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Executes dropped EXE
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Loads dropped DLL
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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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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Modifies powershell logging option
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AutoIT Executable
AutoIT scripts compiled to PE executables.
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Checks system information in the registry
System information is often read in order to detect sandboxing environments.
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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
Execution
Command and Scripting Interpreter
2PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Modify Registry
3Subvert Trust Controls
1Install Root Certificate
1Credential Access
Credentials from Password Stores
2Credentials from Web Browsers
1Windows Credential Manager
1Unsecured Credentials
1Credentials In Files
1