General
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Target
Eurocase-outbyte-driver-updater.exe
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Size
17MB
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Sample
230326-24qb5scd8w
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MD5
220837c2f22829c288e2585a9e625ae2
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SHA1
9cca1b4ea934836a2d5b51189c52462d98647eef
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SHA256
6d05134b2789f9eb04d368cef3b525c0fd04802662a30e855fe9d7ae87eabd3e
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SHA512
d8338c6094ed5f45c86f17a13b0fd3dc56f3bbe9f5845cd7c785e1410901f5cce91ff14f9f4539888a04024a243c73117d9db8e2fb7f62a9a788d7f4870d4598
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SSDEEP
393216:mN2NlreCD2m/MnaaMw2SvNfS0xY2/OCvhW1SItsQe29E9GXrFdSLWIy:m430mEa855SSYD/1SI2Qe2CcTbIy
Static task
static1
Behavioral task
behavioral1
Sample
Eurocase-outbyte-driver-updater.exe
Resource
win10v2004-20230220-en
Malware Config
Targets
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Target
Eurocase-outbyte-driver-updater.exe
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Size
17MB
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MD5
220837c2f22829c288e2585a9e625ae2
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SHA1
9cca1b4ea934836a2d5b51189c52462d98647eef
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SHA256
6d05134b2789f9eb04d368cef3b525c0fd04802662a30e855fe9d7ae87eabd3e
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SHA512
d8338c6094ed5f45c86f17a13b0fd3dc56f3bbe9f5845cd7c785e1410901f5cce91ff14f9f4539888a04024a243c73117d9db8e2fb7f62a9a788d7f4870d4598
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SSDEEP
393216:mN2NlreCD2m/MnaaMw2SvNfS0xY2/OCvhW1SItsQe29E9GXrFdSLWIy:m430mEa855SSYD/1SI2Qe2CcTbIy
Score7/10-
Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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MITRE ATT&CK Matrix
Collection
Data from Local System
1Command and Control
Credential Access
Credentials in Files
1Discovery
Query Registry
4System Information Discovery
4Peripheral Device Discovery
1Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Bootkit
1Privilege Escalation