General
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Target
1843b7445a84689e45962d5a2f7239a0_exe32_JC.exe
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Size
585KB
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Sample
231015-wafb7abh35
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MD5
1843b7445a84689e45962d5a2f7239a0
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SHA1
d2e62464eac5b43c701b1a48bf09a01b7c565dd1
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SHA256
604a60be7c541d08efda9f53a37e8bcaa40703b8fc384e5b87dda24fae721d29
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SHA512
d7252a2cc52009651b5d27430854c06f63dab69d476cd20d909d0674d591f52772e65464bd56618ede0974dfe090b6264031ff2bc61093559f612e21e1030805
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SSDEEP
6144:NeHwXUU5EYCTvaBjRjWrLJKuKnGML5Njcxmu3ijWrLJKuKnGML5Njcxgu3hjWrLA:NyMUusvalgg5Njam8g5Njagxg5Njag5
Static task
static1
Behavioral task
behavioral1
Sample
1843b7445a84689e45962d5a2f7239a0_exe32_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
1843b7445a84689e45962d5a2f7239a0_exe32_JC.exe
Resource
win10v2004-20230915-en
Malware Config
Targets
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Target
1843b7445a84689e45962d5a2f7239a0_exe32_JC.exe
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Size
585KB
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MD5
1843b7445a84689e45962d5a2f7239a0
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SHA1
d2e62464eac5b43c701b1a48bf09a01b7c565dd1
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SHA256
604a60be7c541d08efda9f53a37e8bcaa40703b8fc384e5b87dda24fae721d29
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SHA512
d7252a2cc52009651b5d27430854c06f63dab69d476cd20d909d0674d591f52772e65464bd56618ede0974dfe090b6264031ff2bc61093559f612e21e1030805
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SSDEEP
6144:NeHwXUU5EYCTvaBjRjWrLJKuKnGML5Njcxmu3ijWrLJKuKnGML5Njcxgu3hjWrLA:NyMUusvalgg5Njam8g5Njagxg5Njag5
Score10/10-
Modifies WinLogon for persistence
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Modifies visibility of file extensions in Explorer
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Modifies visiblity of hidden/system files in Explorer
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Disables use of System Restore points
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Sets file execution options in registry
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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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Modifies system executable filetype association
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Adds Run key to start application
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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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Drops file in System32 directory
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1Event Triggered Execution
1Change Default File Association
1Privilege Escalation
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1Event Triggered Execution
1Change Default File Association
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Modify Registry
6