General
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Target
tmp
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Size
413KB
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Sample
240326-brvszsbc54
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MD5
d467222c3bd563cb72fa49302f80b079
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SHA1
9335e2a36abb8309d8a2075faf78d66b968b2a91
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SHA256
fedb08b3ec7034a15e9dee7ed4dec1a854fb78e74285e1ee05c90f9e9e4f8b3e
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SHA512
484b6c427e28193ddb73dd7062e2bfbd132ddc72ce4811bfe08784669de30e4b92bc27140373f62a4ce651401000a3c505188620c43da410bf6b0799a0791fa7
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SSDEEP
6144:0UorLrzMYSnDyTtDOYtf3J7+YZIPcrPJruPWeX2/e1Cw+GOpumhauZef6P5rwmx:0vcYZD17DMPWev1Cb3umhauZef6a
Behavioral task
behavioral1
Sample
tmp.exe
Resource
win7-20240221-en
Malware Config
Extracted
amadey
4.17
http://193.233.132.167
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install_dir
4d0ab15804
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install_file
chrosha.exe
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strings_key
1a9519d7b465e1f4880fa09a6162d768
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url_paths
/enigma/index.php
Extracted
amadey
4.17
http://193.233.132.167
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strings_key
1a9519d7b465e1f4880fa09a6162d768
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url_paths
/enigma/index.php
Targets
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Target
tmp
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Size
413KB
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MD5
d467222c3bd563cb72fa49302f80b079
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SHA1
9335e2a36abb8309d8a2075faf78d66b968b2a91
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SHA256
fedb08b3ec7034a15e9dee7ed4dec1a854fb78e74285e1ee05c90f9e9e4f8b3e
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SHA512
484b6c427e28193ddb73dd7062e2bfbd132ddc72ce4811bfe08784669de30e4b92bc27140373f62a4ce651401000a3c505188620c43da410bf6b0799a0791fa7
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SSDEEP
6144:0UorLrzMYSnDyTtDOYtf3J7+YZIPcrPJruPWeX2/e1Cw+GOpumhauZef6P5rwmx:0vcYZD17DMPWev1Cb3umhauZef6a
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Glupteba 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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Downloads MZ/PE file
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Modifies Windows Firewall
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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
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
2Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
1Credential Access
Unsecured Credentials
3Credentials In Files
2Credentials in Registry
1