General
- Target explorgu.exe
- Size 1.8MB
- Sample240216-vj4kpsea36
- SHA256 45395e701819b1ca0bb6042764e166f72a5ae7e362dd5ad07174f519ee5155ac
- MD5 3a434422af5021b2087c85c315bad9ff
- SHA1 9a142957057ef7567e471652af8d45acfdfed2a3
- SHA512 7539f2533d8c8f1e391acd29a6734d4efd1883d8a6c9ba3edea3744442a7a75a062801ea770c23d0ec985366f60389165c62c41d15bafde78e90bf134d615181
- SSDEEP 49152:gJgXQXcdcniqzA+rk7wt1hrGUrzolsIEZmJ2YTtiZpSbm2kDkFn:6cuPzA+Q0xrC1oYccm2Oun
- MD5 SHA1 SHA512 SSDEEP
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
explorgu.exe
Resource
win7-20231215-en
9 signatures
150 seconds
Malware Config
Extracted
Family
-
amadey
Version
-
4.17
C2
-
http://185.215.113.32
Attributes
-
install_dir
00c07260dc
-
install_file
explorgu.exe
-
strings_key
461809bd97c251ba0c0c8450c7055f1d
-
url_paths
/yandex/index.php
rc4.plain
Targets
-
- Target explorgu.exe
- Size 1.8MB
- SHA256 45395e701819b1ca0bb6042764e166f72a5ae7e362dd5ad07174f519ee5155ac
- MD5 3a434422af5021b2087c85c315bad9ff
- SHA1 9a142957057ef7567e471652af8d45acfdfed2a3
- SHA512 7539f2533d8c8f1e391acd29a6734d4efd1883d8a6c9ba3edea3744442a7a75a062801ea770c23d0ec985366f60389165c62c41d15bafde78e90bf134d615181
- SSDEEP 49152:gJgXQXcdcniqzA+rk7wt1hrGUrzolsIEZmJ2YTtiZpSbm2kDkFn:6cuPzA+Q0xrC1oYccm2Oun
- MD5 SHA1 SHA512 SSDEEP
-
Identifies VirtualBox via ACPI registry values (likely anti-VM)
-
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.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
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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Suspicious use of NtSetInformationThreadHideFromDebugger