General
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Target
08112024_0044_RECHN__4140.js.zip
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Size
11KB
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Sample
241108-a3wzra1flq
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MD5
bfcf5699bedcd4ccb32e1c1ea9eda524
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SHA1
540cb32f36b96e4b4364b59f3b67be39676306a8
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SHA256
40d73f07e57c8c05e2691b966221a0f881c0dcfe161495b4221a0739088a7d64
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SHA512
32b5e4968b031d3c0f57c151f40cc7bc734b7d40d380913f4a4c53e2cbff7d946903855b53b869d8fd2a759b814dfc8ea6e5deb1e18fdd3ee3279fdb6454ebff
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SSDEEP
192:VC+hVJrSQ0bgkMnXH179aWZjZYGFvG0xHh8h+VABVBb5uvPdlvip5:V9tP0bgkA1HjZYG1G0xeh+OBVBgHc
Static task
static1
Behavioral task
behavioral1
Sample
RECHN__4140.js
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
RECHN__4140.js
Resource
win10v2004-20241007-en
Malware Config
Targets
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Target
RECHN__4140.js
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Size
11KB
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MD5
cc250c008c2d3bdcd8f7f84c905936b4
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SHA1
3180742147a2ad9ce5aad0c49f93367c845ce63a
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SHA256
8269c6bf0efa9ad4ab156c23c6b9a304debde7de739f2a8f6b0a2327beb91a26
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SHA512
75f29197aa1659cffe01aa8c1b26cbd2a6fd33f4830689d0a8aadd8f34e878d07927c1f89542612049cdce1e3573e4a1b2a6b784e955bd2c6a90b130a6e4d7ef
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SSDEEP
192:YC+hVJrSQ0bgkMnXH179aWZjZYGFvG0xHh8h+VABVBb5uvPdlvipv:Y9tP0bgkA1HjZYG1G0xeh+OBVBgHC
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Blocklisted process makes network request
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Downloads MZ/PE file
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Sets service image path in registry
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Drops startup file
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Event Triggered Execution: Component Object Model Hijacking
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
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Executes dropped EXE
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Loads dropped DLL
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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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Boot or Logon Autostart Execution: Authentication Package
Suspicious Windows Authentication Registry Modification.
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Drops file in System32 directory
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Authentication Package
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1Privilege Escalation
Boot or Logon Autostart Execution
2Authentication Package
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1