General
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Target
Uni.bat
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Size
13.7MB
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Sample
241124-l2cp9s1jek
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MD5
577c262de7ca8fdfef3b12e8dd170ca5
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SHA1
dd35b98c86bd9ac07ee362aeb99a83714511bd6d
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SHA256
5b50f8552e84e864a072b85c24a5aa8ceae9caf1f0ffec251e2240b43a26df2a
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SHA512
83c1033a62520ce5b32eadf68bfe48421986e5a15eedeb9dcfdf8ba1d1bb99ca863e5313ed6a3fd3a9fb433869e64094388376d6a141016bfd6035d9367ce2ab
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SSDEEP
49152:fYSZV75wgeIWwiXe0+DRcnymKneX5wmiiU5Xnh22OhqkNu7KTnyl3547ih563zBg:d
Static task
static1
Behavioral task
behavioral1
Sample
Uni.bat
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Uni.bat
Resource
win10v2004-20241007-en
Malware Config
Extracted
quasar
1.4.0
v15.5.4 | SeroXen
86.20.153.176:1007
1e6be32f-7de8-4e84-abb4-edd31f5c9694
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encryption_key
2C1A5E068ECB45220CA56F443A8C0F56408DD384
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install_name
.exe
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log_directory
$sxr-Logs
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reconnect_delay
5
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startup_key
$sxr-seroxen
Targets
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Target
Uni.bat
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Size
13.7MB
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MD5
577c262de7ca8fdfef3b12e8dd170ca5
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SHA1
dd35b98c86bd9ac07ee362aeb99a83714511bd6d
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SHA256
5b50f8552e84e864a072b85c24a5aa8ceae9caf1f0ffec251e2240b43a26df2a
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SHA512
83c1033a62520ce5b32eadf68bfe48421986e5a15eedeb9dcfdf8ba1d1bb99ca863e5313ed6a3fd3a9fb433869e64094388376d6a141016bfd6035d9367ce2ab
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SSDEEP
49152:fYSZV75wgeIWwiXe0+DRcnymKneX5wmiiU5Xnh22OhqkNu7KTnyl3547ih563zBg:d
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Quasar family
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Quasar payload
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Suspicious use of NtCreateUserProcessOtherParentProcess
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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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Deletes itself
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Executes dropped EXE
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Loads dropped DLL
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Hide Artifacts: Hidden Window
Windows that would typically be displayed when an application carries out an operation can be hidden.
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Drops file in System32 directory
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Defense Evasion
Hide Artifacts
2Hidden Files and Directories
1Hidden Window
1