General
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Target
5192b1aaa8f755f0a0dd96836ec80d4f208b0403ff3d755e9a112e7efb1ce68f
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Size
791KB
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Sample
231011-hcza7afc2s
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MD5
12fdbbf78bb7d4caa336ccf05d762bcb
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SHA1
9f439bdb93964b183adfe262f6a84f01ab14a959
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SHA256
5192b1aaa8f755f0a0dd96836ec80d4f208b0403ff3d755e9a112e7efb1ce68f
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SHA512
8f6ff68f56557be44173992f08849754c55b0f0e05c88d36ddaf15de52b42f1e1491d18d73b5862286f4b99d7a92a7c07ce7b7572a6f965c7f67a7784f068b9d
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SSDEEP
12288:h8Gb/j8/CReqWgbuqeuofL6KjMV/MnTlmpGscZpUKzJsqp5GkTyov5hXN7n0cAk2:h8GTHWgXML6KW/oUpVq3t1kda5JN79d
Static task
static1
Behavioral task
behavioral1
Sample
5192b1aaa8f755f0a0dd96836ec80d4f208b0403ff3d755e9a112e7efb1ce68f.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
5192b1aaa8f755f0a0dd96836ec80d4f208b0403ff3d755e9a112e7efb1ce68f.exe
Resource
win10v2004-20230915-en
Malware Config
Extracted
amadey
3.89
http://193.42.32.29/9bDc8sQ/index.php
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install_dir
1ff8bec27e
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install_file
nhdues.exe
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strings_key
2efe1b48925e9abf268903d42284c46b
Extracted
vidar
6
5a1fadccb27cfce506dba962fc85426d
https://steamcommunity.com/profiles/76561199560322242
https://t.me/cahalgo
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profile_id_v2
5a1fadccb27cfce506dba962fc85426d
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user_agent
Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/111.0 uacq
Targets
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Target
5192b1aaa8f755f0a0dd96836ec80d4f208b0403ff3d755e9a112e7efb1ce68f
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Size
791KB
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MD5
12fdbbf78bb7d4caa336ccf05d762bcb
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SHA1
9f439bdb93964b183adfe262f6a84f01ab14a959
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SHA256
5192b1aaa8f755f0a0dd96836ec80d4f208b0403ff3d755e9a112e7efb1ce68f
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SHA512
8f6ff68f56557be44173992f08849754c55b0f0e05c88d36ddaf15de52b42f1e1491d18d73b5862286f4b99d7a92a7c07ce7b7572a6f965c7f67a7784f068b9d
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SSDEEP
12288:h8Gb/j8/CReqWgbuqeuofL6KjMV/MnTlmpGscZpUKzJsqp5GkTyov5hXN7n0cAk2:h8GTHWgXML6KW/oUpVq3t1kda5JN79d
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Glupteba payload
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PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Downloads MZ/PE file
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Drops file in Drivers directory
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Stops running service(s)
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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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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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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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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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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 Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
4Disable or Modify Tools
3Modify Registry
7Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
1