General
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Target
3a1d7b3104e74006ff71fbbc23d83da87aae8c62556aeb24b8929f61bc4031fb.exe
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Size
1.8MB
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Sample
240520-km2v6scg3v
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MD5
f6986f363dde0d5f374abd0a1dac252b
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SHA1
4665c53ed2ce6bd84572fc398967d11421e00bab
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SHA256
3a1d7b3104e74006ff71fbbc23d83da87aae8c62556aeb24b8929f61bc4031fb
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SHA512
733a36f1d2f37aee1fa94ad6e60850f2e6adfbdc4c4e418d204f0fe2b2a9590ed5aa6fb5258f8f1883680dee3835f97bceee83b87f7cc0f58a97a82f38b63201
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SSDEEP
49152:Cl/8HKuLWFBWcz/WrNKnun+YrhLOvn7e:8gLWnWczeNZn1VOf7
Static task
static1
Malware Config
Extracted
https://d22hce23hy1ej9.cloudfront.net/load/th.php?a=2836&c=1002
Extracted
https://d22hce23hy1ej9.cloudfront.net/load/th.php?a=2841&c=2841
Extracted
https://d22hce23hy1ej9.cloudfront.net/load/dl.php?id=458&c=2841
Extracted
https://d22hce23hy1ej9.cloudfront.net/load/dl.php?id=458&c=1002
Extracted
https://d22hce23hy1ej9.cloudfront.net/load/dl.php?id=444&c=1002
Extracted
https://d22hce23hy1ej9.cloudfront.net/load/dl.php?id=444&c=2841
Extracted
amadey
4.20
c767c0
http://5.42.96.7
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install_dir
7af68cdb52
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install_file
axplons.exe
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strings_key
e2ce58e78f631ed97d01fe7b70e85d5e
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url_paths
/zamo7h/index.php
Extracted
redline
1
185.215.113.67:26260
Extracted
smokeloader
2022
http://trad-einmyus.com/index.php
http://tradein-myus.com/index.php
http://trade-inmyus.com/index.php
Targets
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Target
3a1d7b3104e74006ff71fbbc23d83da87aae8c62556aeb24b8929f61bc4031fb.exe
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Size
1.8MB
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MD5
f6986f363dde0d5f374abd0a1dac252b
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SHA1
4665c53ed2ce6bd84572fc398967d11421e00bab
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SHA256
3a1d7b3104e74006ff71fbbc23d83da87aae8c62556aeb24b8929f61bc4031fb
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SHA512
733a36f1d2f37aee1fa94ad6e60850f2e6adfbdc4c4e418d204f0fe2b2a9590ed5aa6fb5258f8f1883680dee3835f97bceee83b87f7cc0f58a97a82f38b63201
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SSDEEP
49152:Cl/8HKuLWFBWcz/WrNKnun+YrhLOvn7e:8gLWnWczeNZn1VOf7
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload
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XMRig Miner payload
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Blocklisted process makes network request
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Creates new service(s)
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Downloads MZ/PE file
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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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Identifies Wine through registry keys
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
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Loads dropped DLL
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Legitimate hosting services abused for malware hosting/C2
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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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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Suspicious use of NtSetInformationThreadHideFromDebugger
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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
1System Services
2Service Execution
2Persistence
Create or Modify System Process
2Windows Service
2Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
2Disable or Modify Tools
1Modify Registry
3Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
2