General
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Target
ThunderFlasher.exe
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Size
7KB
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Sample
240628-js9yasyejg
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MD5
b5e479d3926b22b59926050c29c4e761
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SHA1
a456cc6993d12abe6c44f2d453d7ae5da2029e24
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SHA256
fbc4058b92d9bc4dda2dbc64cc61d0b3f193415aad15c362a5d87c90ca1be30b
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SHA512
09d1aa9b9d7905c37b76a6b697de9f2230219e7f51951654de73b0ad47b8bb8f93cf63aa4688a958477275853b382a2905791db9dcb186cad7f96015b2909fe8
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SSDEEP
192:q+yk9cqvjX3xszdzztCbxbsIcaqc2Ng5vGIcaBSNtUqOwciQjdv:Tyk9Hv1O/Cbxbbcaqc2NidcaANt/dcio
Static task
static1
Behavioral task
behavioral1
Sample
ThunderFlasher.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
ThunderFlasher.exe
Resource
win10v2004-20240611-en
Malware Config
Extracted
https://rentry.org/lem61111111111/raw
Targets
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Target
ThunderFlasher.exe
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Size
7KB
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MD5
b5e479d3926b22b59926050c29c4e761
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SHA1
a456cc6993d12abe6c44f2d453d7ae5da2029e24
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SHA256
fbc4058b92d9bc4dda2dbc64cc61d0b3f193415aad15c362a5d87c90ca1be30b
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SHA512
09d1aa9b9d7905c37b76a6b697de9f2230219e7f51951654de73b0ad47b8bb8f93cf63aa4688a958477275853b382a2905791db9dcb186cad7f96015b2909fe8
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SSDEEP
192:q+yk9cqvjX3xszdzztCbxbsIcaqc2Ng5vGIcaBSNtUqOwciQjdv:Tyk9Hv1O/Cbxbbcaqc2NidcaANt/dcio
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Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Blocklisted process makes network request
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Creates new service(s)
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Downloads MZ/PE file
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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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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Legitimate hosting services abused for malware hosting/C2
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Power Settings
powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.
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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
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1System Services
2Service Execution
2Persistence
Create or Modify System Process
2Windows Service
2Power Settings
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Scheduled Task
1