General
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Target
file
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Size
219KB
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Sample
231010-zclhrshf7v
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MD5
c594cefe6ddfd19e7ecb0e749b4063dc
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SHA1
3c78b4feff67bd08b6c327531cb220cc9d92578c
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SHA256
23a5ce1becbbdec0486d5e8085d86c9e4275eba14b0d2c29f54ddfcf7cf1ce70
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SHA512
2c9557a72de6f21824ad488f676ef4d29f533f598a0bd4dff672a31aacae581962574d728b65b0bd252f039e5fe5ff35f23e14a78e2454632494c1d67a3fd2b3
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SSDEEP
3072:MVmR74AZSJU/IXjnzCxnT9YIdDlLrpJ55/vgx:yWsU/IrUZYeDhrfv
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20230915-en
Malware Config
Extracted
tofsee
vanaheim.cn
jotunheim.name
Targets
-
-
Target
file
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Size
219KB
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MD5
c594cefe6ddfd19e7ecb0e749b4063dc
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SHA1
3c78b4feff67bd08b6c327531cb220cc9d92578c
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SHA256
23a5ce1becbbdec0486d5e8085d86c9e4275eba14b0d2c29f54ddfcf7cf1ce70
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SHA512
2c9557a72de6f21824ad488f676ef4d29f533f598a0bd4dff672a31aacae581962574d728b65b0bd252f039e5fe5ff35f23e14a78e2454632494c1d67a3fd2b3
-
SSDEEP
3072:MVmR74AZSJU/IXjnzCxnT9YIdDlLrpJ55/vgx:yWsU/IrUZYeDhrfv
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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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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2