General
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Target
2.exe
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Size
1.1MB
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Sample
240520-j7vrxsbd34
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MD5
b9809bd949c3bc586cdee24b1a6de3df
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SHA1
25bbf7f47a779cdce30f67b51b4cfbc2a2e30d7c
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SHA256
79bb1f7b467bbceed03d27d325a0c076943f57d696d96d0d1178a2b750a931a8
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SHA512
f54dee552c57d6537042a7f53c0c637eb400833fc16f5bb03152abbc743160165cd6cb13017294f37f6c60fff86f19ad50e33eb44dd6036654206200002ff7a2
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SSDEEP
24576:PkqodqTS60AU1oSpPFYE2CBeLA/Tzuif8BAzOXW1AwRgeegKx:+D4i0BAqXWweeBx
Static task
static1
Behavioral task
behavioral1
Sample
2.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2.exe
Resource
win10v2004-20240426-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
Targets
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Target
2.exe
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Size
1.1MB
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MD5
b9809bd949c3bc586cdee24b1a6de3df
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SHA1
25bbf7f47a779cdce30f67b51b4cfbc2a2e30d7c
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SHA256
79bb1f7b467bbceed03d27d325a0c076943f57d696d96d0d1178a2b750a931a8
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SHA512
f54dee552c57d6537042a7f53c0c637eb400833fc16f5bb03152abbc743160165cd6cb13017294f37f6c60fff86f19ad50e33eb44dd6036654206200002ff7a2
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SSDEEP
24576:PkqodqTS60AU1oSpPFYE2CBeLA/Tzuif8BAzOXW1AwRgeegKx:+D4i0BAqXWweeBx
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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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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Modifies boot configuration data using bcdedit
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XMRig Miner payload
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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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Drops file in Drivers directory
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Sets file execution options in registry
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Sets service image path in registry
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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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Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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Modifies system executable filetype association
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Registers COM server for autorun
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Unexpected DNS network traffic destination
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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Adds Run key to start application
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Checks for any installed AV software in registry
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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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Checks system information in the registry
System information is often read in order to detect sandboxing environments.
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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
2PowerShell
2System Services
2Service Execution
2Scheduled Task/Job
1Persistence
Create or Modify System Process
3Windows Service
3Boot or Logon Autostart Execution
4Registry Run Keys / Startup Folder
4Event Triggered Execution
1Change Default File Association
1Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Privilege Escalation
Create or Modify System Process
3Windows Service
3Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
4Registry Run Keys / Startup Folder
4Event Triggered Execution
1Change Default File Association
1Scheduled Task/Job
1Defense Evasion
Modify Registry
11Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
4Disable or Modify Tools
3Virtualization/Sandbox Evasion
1Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1