General
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Target
file
-
Size
206KB
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Sample
230831-ywq2xsac29
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MD5
0f9c373964288e253936c6fca66e7c3d
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SHA1
89cd1ecf9d256f4ad608ae27ae59d86960078850
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SHA256
043f6d52d44dc42b0da11af5b87c27bbaada4c88bacda864f644fbf1731f5404
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SHA512
1f534cbb70ac2f95d1170c7c55f0bf2af3244de80ac7d47d395b4b8516fe39a780af06fea9f4f9530c0641b3111ca30d42fcee589687deff825db4a60714f236
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SSDEEP
3072:9KLxYvgRbgBeCiMGsIvTN7BW//30MYGOR0Ali8V9Z/8u:9i5RbaeCiVxFB2QN8Ot8
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20230824-en
Malware Config
Extracted
tofsee
vanaheim.cn
jotunheim.name
Targets
-
-
Target
file
-
Size
206KB
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MD5
0f9c373964288e253936c6fca66e7c3d
-
SHA1
89cd1ecf9d256f4ad608ae27ae59d86960078850
-
SHA256
043f6d52d44dc42b0da11af5b87c27bbaada4c88bacda864f644fbf1731f5404
-
SHA512
1f534cbb70ac2f95d1170c7c55f0bf2af3244de80ac7d47d395b4b8516fe39a780af06fea9f4f9530c0641b3111ca30d42fcee589687deff825db4a60714f236
-
SSDEEP
3072:9KLxYvgRbgBeCiMGsIvTN7BW//30MYGOR0Ali8V9Z/8u:9i5RbaeCiVxFB2QN8Ot8
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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