General
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Target
a785eca30240559cc070f34ed58e642c963f96799020e6d664e5a18ca4e83d2e
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Size
1.8MB
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Sample
240525-3h9dkaee6y
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MD5
21f488b50b7c21d5b032a03273d12fc9
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SHA1
333ca9d0e708f196f2099ff1189572d74cd48870
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SHA256
a785eca30240559cc070f34ed58e642c963f96799020e6d664e5a18ca4e83d2e
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SHA512
7b70b83c13e75333803d1397c180169806e0e66300c1856612f45f23f9520cbd43ed1acde2074cae96bd1095fc240b41d1b14bf6a901486a8acbc9a867e916d7
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SSDEEP
49152:tFm3Sm/SetnQm5vcMsMpsSxGbZXqUKKbBsJTQ5ud9:6iIrtQm5XsMp3xGbMm6Jbd
Static task
static1
Malware Config
Extracted
amadey
4.21
0e6740
http://147.45.47.155
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install_dir
9217037dc9
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install_file
explortu.exe
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strings_key
8e894a8a4a3d0da8924003a561cfb244
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url_paths
/ku4Nor9/index.php
Extracted
amadey
4.21
49e482
http://147.45.47.70
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install_dir
1b29d73536
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install_file
axplont.exe
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strings_key
4d31dd1a190d9879c21fac6d87dc0043
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url_paths
/tr8nomy/index.php
Extracted
risepro
147.45.47.126:58709
Targets
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Target
a785eca30240559cc070f34ed58e642c963f96799020e6d664e5a18ca4e83d2e
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Size
1.8MB
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MD5
21f488b50b7c21d5b032a03273d12fc9
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SHA1
333ca9d0e708f196f2099ff1189572d74cd48870
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SHA256
a785eca30240559cc070f34ed58e642c963f96799020e6d664e5a18ca4e83d2e
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SHA512
7b70b83c13e75333803d1397c180169806e0e66300c1856612f45f23f9520cbd43ed1acde2074cae96bd1095fc240b41d1b14bf6a901486a8acbc9a867e916d7
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SSDEEP
49152:tFm3Sm/SetnQm5vcMsMpsSxGbZXqUKKbBsJTQ5ud9:6iIrtQm5XsMp3xGbMm6Jbd
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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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Blocklisted process makes network request
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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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Drops startup file
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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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Adds Run key to start application
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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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Drops Chrome extension
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Drops desktop.ini file(s)
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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
Persistence
Create or Modify System Process
1Windows Service
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Privilege Escalation
Create or Modify System Process
1Windows Service
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Defense Evasion
Modify Registry
2Virtualization/Sandbox Evasion
2Pre-OS Boot
1Bootkit
1