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General
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Target
TruCheck_v3.03.70_b3647_Updater.zip
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Size
195.7MB
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Sample
240408-scmmhaca56
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MD5
6164fe090a276050bcff0007bf94d22f
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SHA1
8993db831b87aba3589585e0bc3f7a830ded90fc
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SHA256
2df688778a3506068c27ee752f1ca6d6690fec755a3ca02b8f84478252ab2027
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SHA512
5c8313e8eb8f8740c1f8e366ec0ac94d30df78b3e14249d25d6cd1566d59c5f270f5d24750813122453328def5264e25ec8c223fa2c84afbe1f052033ffc4a14
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SSDEEP
3145728:omnMqv+JX2ycIzU2Jbe1ei+W5f+X85FLS3xpPGm5zVzeMht6J5FgK:3MqWF2LuUtepeXhyxpPXCd
Static task
static1
Behavioral task
behavioral1
Sample
TruCheck_v3.03.70_b3647_Updater.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
TruCheck_v3.03.70_b3647_Updater.exe
Resource
win11-20240221-en
Malware Config
Targets
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Target
TruCheck_v3.03.70_b3647_Updater.exe
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Size
195.7MB
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MD5
719e9af110e7527608b8006f6290a29c
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SHA1
74a0684bffc141503c55572c12eecba2a3d9e5a1
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SHA256
29dc4464ba770c14edd38234dc1a26fc6a983212831ed653b50945be99153c12
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SHA512
140e648a28ac5e7a3180f7f311f84ee0a393146f066d3d800d25efff9e5f278d97445117b10c28a382b45c5b345183bdf11fc5227d6e687dedbfc3b8372d87ae
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SSDEEP
3145728:caSFaGTMXZ+IasZ4AR/gh6O6gx7AFaTzT6B7jdsOL9Nf0iVbSJNTRK:2aGwJ+TO496nU/nO7jdnky
Score8/10-
Drops file in Drivers directory
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Manipulates Digital Signatures
Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.
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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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Executes dropped EXE
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Loads dropped DLL
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Blocklisted process makes network request
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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
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Modify Registry
1Subvert Trust Controls
1SIP and Trust Provider Hijacking
1