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General
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Target
AjaeV4.exe
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Size
178KB
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Sample
250328-bgxvlasmv7
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MD5
0ad31a746adb58b3f5640deb8219ad80
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SHA1
e12836ae66f3f8ffa53df39ae6fcee9bb7826255
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SHA256
c971f1b41d62b335166aa5ee66534041264c31452cfe9ce8c5fabdce4917a461
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SHA512
fb07d16b155e702f6b1075ee3f6f09335eeac35026493eb368f421f19aabe8c1d4d781c6daaf89fe7d4d62c0efe182c83fe64e3f0f6e44a6a8ab9f330c489f7c
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SSDEEP
3072:Vq6+ouCpk2mpcWJ0r+QNTBf6E9hrLypYX+rxSeYNFnPTlf7QQFLczTQi2acGx:Vldk1cWQRNTBSu1yHEdNVZjQgLczUihx
Static task
static1
Behavioral task
behavioral1
Sample
AjaeV4.exe
Resource
win11-20250313-en
Malware Config
Targets
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Target
AjaeV4.exe
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Size
178KB
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MD5
0ad31a746adb58b3f5640deb8219ad80
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SHA1
e12836ae66f3f8ffa53df39ae6fcee9bb7826255
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SHA256
c971f1b41d62b335166aa5ee66534041264c31452cfe9ce8c5fabdce4917a461
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SHA512
fb07d16b155e702f6b1075ee3f6f09335eeac35026493eb368f421f19aabe8c1d4d781c6daaf89fe7d4d62c0efe182c83fe64e3f0f6e44a6a8ab9f330c489f7c
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SSDEEP
3072:Vq6+ouCpk2mpcWJ0r+QNTBf6E9hrLypYX+rxSeYNFnPTlf7QQFLczTQi2acGx:Vldk1cWQRNTBSu1yHEdNVZjQgLczUihx
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Disables service(s)
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Modifies WinLogon for persistence
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UAC bypass
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Creates new service(s)
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Disables Task Manager via registry modification
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Possible privilege escalation attempt
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Stops running service(s)
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Executes dropped EXE
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Modifies file permissions
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Adds Run key to start application
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File and Directory Permissions Modification: Windows File and Directory Permissions Modification
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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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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
3Windows Service
3Event Triggered Execution
1Accessibility Features
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
3Windows Service
3Event Triggered Execution
1Accessibility Features
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1File and Directory Permissions Modification
2Windows File and Directory Permissions Modification
1Impair Defenses
2Disable or Modify Tools
1Modify Registry
4Pre-OS Boot
1Bootkit
1