General
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Target
revosetup.exe
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Size
6.6MB
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Sample
240616-mm2aratfkk
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MD5
63150c4846bfbcf27fa70ccaa8a01943
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SHA1
bfe32dcc00b041e0007a883af1588f354bb9f032
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SHA256
a05acc9172e98ec6a6a7f923f5c648cc7a7c4e02bbcaaa5a6d9663229e662c24
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SHA512
7c0c8065c83529ffe9cf092a7ffb19f59252015d643bded9cf5459e6e6a4c582962ab6e36b330275a79649fa6e8d3da01cb95352870a52fa159bb278b967cd90
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SSDEEP
98304:MPyYn2kIIR7ABl27MwarecfhZzwStzDtAVl3gaSZmg4MPyDv0bSpkmmf6osFQaiS:q7Vty27MJzw6z8X4mgJSyNyos6ac4l
Static task
static1
Behavioral task
behavioral1
Sample
revosetup.exe
Resource
win10v2004-20240611-en
Malware Config
Targets
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Target
revosetup.exe
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Size
6.6MB
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MD5
63150c4846bfbcf27fa70ccaa8a01943
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SHA1
bfe32dcc00b041e0007a883af1588f354bb9f032
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SHA256
a05acc9172e98ec6a6a7f923f5c648cc7a7c4e02bbcaaa5a6d9663229e662c24
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SHA512
7c0c8065c83529ffe9cf092a7ffb19f59252015d643bded9cf5459e6e6a4c582962ab6e36b330275a79649fa6e8d3da01cb95352870a52fa159bb278b967cd90
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SSDEEP
98304:MPyYn2kIIR7ABl27MwarecfhZzwStzDtAVl3gaSZmg4MPyDv0bSpkmmf6osFQaiS:q7Vty27MJzw6z8X4mgJSyNyos6ac4l
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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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Modifies Installed Components in the registry
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Sets file execution options in registry
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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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Deletes itself
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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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Drops desktop.ini file(s)
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Legitimate hosting services abused for malware hosting/C2
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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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Drops file in System32 directory
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Sets desktop wallpaper using registry
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Suspicious use of NtSetInformationThreadHideFromDebugger
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
3Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
3Defense Evasion
Modify Registry
4Pre-OS Boot
1Bootkit
1Virtualization/Sandbox Evasion
1