General
- Target file.exe
- Size 227KB
- Sample221227-ajw6eaea53
- SHA256 4e751c673dd0475d5936d7b7dbc1f1fdd0954d5ff791f939a2c05b7ff7650142
- MD5 faf898c01373275e3bb189552deba2b8
- SHA1 9d2613efe4dc0a32a7e8e4ff465451d323dc6282
- SHA512 7e63b965962fc55c441aaa6852e804cf34a76a5d18c36eaf64d34c61700c31f9a2be02046becafb573144cb269fe5c75ead9ff95537b4fd1babf574b0990eea8
- SSDEEP 3072:IYT3+Lfq5bb39U2ocK8xRK4moWBICsjLpt6R1hN8+T+V+Y700:ELf22JcKzcH6FK+T+Vl7l
- MD5 SHA1 SHA512 SSDEEP
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
16 signatures
150 seconds
Malware Config
Extracted
Family
-
tofsee
C2
-
svartalfheim.top
-
jotunheim.name
Targets
-
- Target file.exe
- Size 227KB
- SHA256 4e751c673dd0475d5936d7b7dbc1f1fdd0954d5ff791f939a2c05b7ff7650142
- MD5 faf898c01373275e3bb189552deba2b8
- SHA1 9d2613efe4dc0a32a7e8e4ff465451d323dc6282
- SHA512 7e63b965962fc55c441aaa6852e804cf34a76a5d18c36eaf64d34c61700c31f9a2be02046becafb573144cb269fe5c75ead9ff95537b4fd1babf574b0990eea8
- SSDEEP 3072:IYT3+Lfq5bb39U2ocK8xRK4moWBICsjLpt6R1hN8+T+V+Y700:ELf22JcKzcH6FK+T+Vl7l
- MD5 SHA1 SHA512 SSDEEP
-
XMRig Miner payload
-
Creates new service(s)
-
Executes dropped EXE
-
Modifies Windows Firewall
-
Sets service image path in registry
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Deletes itself
-
Drops file in System32 directory
-
Suspicious use of SetThreadContext