General
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Target
file.exe
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Size
303KB
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Sample
230501-xmgw8aee86
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MD5
dd18a455e9d700d656ce6965cee1a068
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SHA1
bb23d970e98a6a6ec178fc6c9c82689b3e92ee7c
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SHA256
18643a9a6e4b61e967e428fadb2d4bb52dfed8a949b4a39cb461c2e3a8e6d207
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SHA512
71dc5ce080f2f95f2b68bcd135cfbbb9d020e10f58972b4f90ac98a3794f7791857139d45f417d127182bb26caca996a94c95008f2fc0ccc8a3c1b16dd07b531
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SSDEEP
3072:duhpDHOnUv1WfCBuL4IdkVDJNhA+GHRIBiSp5z5DT4zknffhd+OH:shpDH9vEfQQrdkB7Fi05ykn3v+y
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230220-en
Malware Config
Extracted
tofsee
vanaheim.cn
jotunheim.name
Targets
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Target
file.exe
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Size
303KB
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MD5
dd18a455e9d700d656ce6965cee1a068
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SHA1
bb23d970e98a6a6ec178fc6c9c82689b3e92ee7c
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SHA256
18643a9a6e4b61e967e428fadb2d4bb52dfed8a949b4a39cb461c2e3a8e6d207
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SHA512
71dc5ce080f2f95f2b68bcd135cfbbb9d020e10f58972b4f90ac98a3794f7791857139d45f417d127182bb26caca996a94c95008f2fc0ccc8a3c1b16dd07b531
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SSDEEP
3072:duhpDHOnUv1WfCBuL4IdkVDJNhA+GHRIBiSp5z5DT4zknffhd+OH:shpDH9vEfQQrdkB7Fi05ykn3v+y
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XMRig Miner payload
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Creates new service(s)
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Modifies Windows Firewall
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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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Deletes itself
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Executes dropped EXE
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Drops file in System32 directory
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Suspicious use of SetThreadContext
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