General
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Target
f71eb13cee017420a630eeaef421c2df8b6b3ab7e164e5bfd57907f182c7c1bd.exe
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Size
1.8MB
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Sample
240520-kvjdsscd52
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MD5
d7153d7505810d7600f9c3d879eb344d
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SHA1
f55f9b4f69f2fe2b5cd5e4129aa8b4c1fa894102
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SHA256
f71eb13cee017420a630eeaef421c2df8b6b3ab7e164e5bfd57907f182c7c1bd
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SHA512
406c937d19448e9457198aa8c3df21681a6ab2d5874c1f4b89ab8bcd028d21786ea1e2b3ebcefa59d69fd53eaf6f2041b730a90cd33c0941766fc24dca5b39cc
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SSDEEP
24576:qGwBjJnj6ykjUgg3aq81DOGib2dD1oPG7extbDWve8bk4nNpY7wNHeY4OMcoWCgq:crj7f3aT1DOlYD1t7UqM4nNO7H3Oiny
Static task
static1
Behavioral task
behavioral1
Sample
f71eb13cee017420a630eeaef421c2df8b6b3ab7e164e5bfd57907f182c7c1bd.exe
Resource
win7-20240508-en
Malware Config
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=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
Targets
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Target
f71eb13cee017420a630eeaef421c2df8b6b3ab7e164e5bfd57907f182c7c1bd.exe
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Size
1.8MB
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MD5
d7153d7505810d7600f9c3d879eb344d
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SHA1
f55f9b4f69f2fe2b5cd5e4129aa8b4c1fa894102
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SHA256
f71eb13cee017420a630eeaef421c2df8b6b3ab7e164e5bfd57907f182c7c1bd
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SHA512
406c937d19448e9457198aa8c3df21681a6ab2d5874c1f4b89ab8bcd028d21786ea1e2b3ebcefa59d69fd53eaf6f2041b730a90cd33c0941766fc24dca5b39cc
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SSDEEP
24576:qGwBjJnj6ykjUgg3aq81DOGib2dD1oPG7extbDWve8bk4nNpY7wNHeY4OMcoWCgq:crj7f3aT1DOlYD1t7UqM4nNO7H3Oiny
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Modifies firewall policy service
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PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
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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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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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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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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Drops file in System32 directory
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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MITRE ATT&CK Matrix ATT&CK v13
Execution
Command and Scripting Interpreter
1PowerShell
1System Services
2Service Execution
2Scheduled Task/Job
1Persistence
Create or Modify System Process
3Windows Service
3Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Privilege Escalation
Create or Modify System Process
3Windows Service
3Abuse Elevation Control Mechanism
1Bypass User Account Control
1Scheduled Task/Job
1Defense Evasion
Modify Registry
5Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
2Disable or Modify Tools
1Virtualization/Sandbox Evasion
2Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1