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General
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Target
ReasonLabs-EPP-setup.exe
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Size
1.9MB
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Sample
240922-nr5peaxgmg
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MD5
17d90dd2ebe8cafe442930523b2a5cf0
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SHA1
9b70bdd6201de3eaf1acfe2316a9efbd755cc815
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SHA256
6337dcdb68146a0b3ce69b665c57658a5b734ceb739b094d4808c2a08fbb2b7e
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SHA512
fc1c7ab7911c26c2b59f39a68d64b9766b5fdae9a53c15504bf929eddf9b944dec5374d329cf3c1ec96e9e80f9705d7326a498555a0cbbc7f5e3b688d2a72e64
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SSDEEP
49152:oTl+Ffl0KCV8rEKbhHJikCz/NqoNcugBhnem0XL:oTl+xLRHAVLVNcpip7
Static task
static1
Behavioral task
behavioral1
Sample
ReasonLabs-EPP-setup.exe
Resource
win10v2004-20240802-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
17d90dd2ebe8cafe442930523b2a5cf0
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SHA1
9b70bdd6201de3eaf1acfe2316a9efbd755cc815
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SHA256
6337dcdb68146a0b3ce69b665c57658a5b734ceb739b094d4808c2a08fbb2b7e
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SHA512
fc1c7ab7911c26c2b59f39a68d64b9766b5fdae9a53c15504bf929eddf9b944dec5374d329cf3c1ec96e9e80f9705d7326a498555a0cbbc7f5e3b688d2a72e64
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SSDEEP
49152:oTl+Ffl0KCV8rEKbhHJikCz/NqoNcugBhnem0XL:oTl+xLRHAVLVNcpip7
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Cobalt Strike reflective loader
Detects the reflective loader used by Cobalt Strike.
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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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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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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 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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MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Modify Registry
3Subvert Trust Controls
1Install Root Certificate
1