General
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Target
kav_setup.exe
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Size
13.6MB
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Sample
240509-c7hn2agh94
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MD5
4b80eaf2288aa715354cfc42e87f6a55
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SHA1
2b2227c1135fde2f277eec549faecc57020d6947
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SHA256
bdf40bbc008ab151db86ace1b8c2385b8eed742031db4277c4f29ce164995294
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SHA512
c51dd779628703e555609768cdcf36b145a67bdb9602f62917dd6162f99560e333fddcfce80f41b9865af2d0fe11242e048ea869080f71f5c8d357ed77d9b4f5
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SSDEEP
393216:c/XADqwibq/RIYuUniCRX1mezmAHy5+DIW4scYMMDIknl5:cGA8Ib86AG+DIW6szl5
Behavioral task
behavioral1
Sample
kav_setup.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
kav_setup.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
out.exe
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
out.exe
Resource
win10v2004-20240508-en
Malware Config
Targets
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Target
kav_setup.exe
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Size
13.6MB
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MD5
4b80eaf2288aa715354cfc42e87f6a55
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SHA1
2b2227c1135fde2f277eec549faecc57020d6947
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SHA256
bdf40bbc008ab151db86ace1b8c2385b8eed742031db4277c4f29ce164995294
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SHA512
c51dd779628703e555609768cdcf36b145a67bdb9602f62917dd6162f99560e333fddcfce80f41b9865af2d0fe11242e048ea869080f71f5c8d357ed77d9b4f5
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SSDEEP
393216:c/XADqwibq/RIYuUniCRX1mezmAHy5+DIW4scYMMDIknl5:cGA8Ib86AG+DIW6szl5
Score8/10-
Drops file in Drivers directory
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Sets file execution options in registry
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Sets service image path in registry
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Executes dropped EXE
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Loads dropped DLL
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Registers COM server for autorun
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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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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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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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Target
out.upx
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Size
1.0MB
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MD5
14d2fae1e2eae681cdabdef8552d388d
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SHA1
cd9d5f445f11c2cbb1b49caa3f5d915a55c0dd1e
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SHA256
7f9e4e482e00dbeb3638e97c5d1f160a3c17f30721ad760d92ca98ab3842a30b
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SHA512
fe4ece7e0e97c9154e97d484742fb7d490c5d441a39a577a10069620a5afdf2cb5ecfb07cb22d58dba7accd31e5ad51cba2c611e26e9d3971c896f3bfa6fb7db
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SSDEEP
24576:BseYh0ZEieSMB6ep8mtbEji2L60lWrchc2cccccpccccccccccocccccccccccTc:OefZElui2Lfl
Score1/10 -
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
4Registry Run Keys / Startup Folder
4Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
4Registry Run Keys / Startup Folder
4