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General
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Target
a.msi
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Size
632KB
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Sample
231016-nz8q2aea3v
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MD5
31b8bb512a0f8c74461b4c6ae28cc5ef
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SHA1
f36be96e0f28edfcc5a232e9c4dfcdad0e94c151
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SHA256
7ff41b06ca3f24829baf4f67bc669be8421f70895dc1734b24948bd5f74beaf4
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SHA512
e2e86f0985016c44e347990166d7038829cc4593289d0fe8db1402bd039433243229b1dd4639f5aa81106a0fa9e1944163d001e114b11ef156bde3917304392e
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SSDEEP
12288:0s+WC8R/Mn4c6b3Diy95fP701DpHyNRAX7PaeAkCP437+8jOZy2KsGU6a4Ks:WWrBMnsO85fP701DhyHreAzgLhOE2Z39
Static task
static1
Behavioral task
behavioral1
Sample
a.msi
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
a.msi
Resource
win10v2004-20230915-en
Malware Config
Targets
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Target
a.msi
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Size
632KB
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MD5
31b8bb512a0f8c74461b4c6ae28cc5ef
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SHA1
f36be96e0f28edfcc5a232e9c4dfcdad0e94c151
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SHA256
7ff41b06ca3f24829baf4f67bc669be8421f70895dc1734b24948bd5f74beaf4
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SHA512
e2e86f0985016c44e347990166d7038829cc4593289d0fe8db1402bd039433243229b1dd4639f5aa81106a0fa9e1944163d001e114b11ef156bde3917304392e
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SSDEEP
12288:0s+WC8R/Mn4c6b3Diy95fP701DpHyNRAX7PaeAkCP437+8jOZy2KsGU6a4Ks:WWrBMnsO85fP701DhyHreAzgLhOE2Z39
Score8/10-
Downloads MZ/PE file
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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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Blocklisted process makes network request
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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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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
2Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Defense Evasion
Modify Registry
2Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1