General
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Target
75129aa64ee308f0e0755c9a7fdb30c5
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Size
556KB
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Sample
240125-vvfysacdbl
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MD5
75129aa64ee308f0e0755c9a7fdb30c5
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SHA1
61032ff1e1186fe131bcc098513d980b6c04df0a
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SHA256
13dd6a998bbcb295ebfbb6e82b14adfdca5a89d48448384acb26657f749f1058
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SHA512
0a1085e251988806ecd3a8b56c48def1be56d1a2429bbe3895bc07fa7ca33c3209b472f9d46e9b368d7183215ab73d319bc874478ad1ea3d14e9fd1ffe63abb9
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SSDEEP
12288:67Lo8Rs90X41cnOOWB2KpyYK4BVqZDx2mpmHPW9GROsI8w:67L1yMgcnOds44Fp2PWUDI8
Static task
static1
Behavioral task
behavioral1
Sample
75129aa64ee308f0e0755c9a7fdb30c5.exe
Resource
win7-20231215-en
Malware Config
Targets
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Target
75129aa64ee308f0e0755c9a7fdb30c5
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Size
556KB
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MD5
75129aa64ee308f0e0755c9a7fdb30c5
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SHA1
61032ff1e1186fe131bcc098513d980b6c04df0a
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SHA256
13dd6a998bbcb295ebfbb6e82b14adfdca5a89d48448384acb26657f749f1058
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SHA512
0a1085e251988806ecd3a8b56c48def1be56d1a2429bbe3895bc07fa7ca33c3209b472f9d46e9b368d7183215ab73d319bc874478ad1ea3d14e9fd1ffe63abb9
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SSDEEP
12288:67Lo8Rs90X41cnOOWB2KpyYK4BVqZDx2mpmHPW9GROsI8w:67L1yMgcnOds44Fp2PWUDI8
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Modifies WinLogon for persistence
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Modifies visiblity of hidden/system files in Explorer
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Deletes itself
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Executes dropped EXE
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Loads dropped DLL
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Unexpected DNS network traffic destination
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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Adds Run key to start application
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Maps connected drives based on registry
Disk information is often read in order to detect sandboxing environments.
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
3