General
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Target
file
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Size
245KB
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Sample
230920-s5dkasbb96
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MD5
df15de798e52159e6541c0373445a9c7
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SHA1
f6b9c5e494c8385c5d63b2908f7e6d5f540670ee
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SHA256
c9fd78bfd543098028bb45708460fe553e498c350aed74a9397061c1cc10d5fd
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SHA512
dcf71d349d91879761c32267d685d79765ed20db244c5e235451d2e73ea9731fa72984a6a75eb73e7503f64b38c8ab92c6ecb8f3914d92b11980499e110bb403
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SSDEEP
3072:K5gq7QWTvquIQSWJ5uCekqO5A+sgfoucB9hZn7gi:G7QWNFJ5uCHq4nghPh7
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
-
Size
245KB
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MD5
df15de798e52159e6541c0373445a9c7
-
SHA1
f6b9c5e494c8385c5d63b2908f7e6d5f540670ee
-
SHA256
c9fd78bfd543098028bb45708460fe553e498c350aed74a9397061c1cc10d5fd
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SHA512
dcf71d349d91879761c32267d685d79765ed20db244c5e235451d2e73ea9731fa72984a6a75eb73e7503f64b38c8ab92c6ecb8f3914d92b11980499e110bb403
-
SSDEEP
3072:K5gq7QWTvquIQSWJ5uCekqO5A+sgfoucB9hZn7gi:G7QWNFJ5uCHq4nghPh7
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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