General
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Target
build.bat
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Size
14.0MB
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Sample
240517-wvjv4scc52
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MD5
ef8beb81c6fa2aaad4a314be361292ce
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SHA1
7b7296096931ac5d62081cc91ead8afd2346e0c7
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SHA256
6377476be087b6911f24f93a601fd8f46461f52815ec27f95371c8418c385377
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SHA512
8ffa18e66e4e8a3a23eb7c2375fa6b25aab90da3265f35d56ea9965f8d2c89a988052bbd0e05c0b3b3c124cb5e9f47b0b6ab5ea0df3b880d449fd3ff2a25767f
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SSDEEP
49152:Lhha5TtF7ZXKxZvLjnrt64H1eGHrWT7xdJ11ar07nqcBIL/ULWorCWmZ9vXEdQm/:E
Static task
static1
Behavioral task
behavioral1
Sample
build.bat
Resource
win7-20240220-en
Malware Config
Extracted
quasar
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reconnect_delay
3000
Targets
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Target
build.bat
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Size
14.0MB
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MD5
ef8beb81c6fa2aaad4a314be361292ce
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SHA1
7b7296096931ac5d62081cc91ead8afd2346e0c7
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SHA256
6377476be087b6911f24f93a601fd8f46461f52815ec27f95371c8418c385377
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SHA512
8ffa18e66e4e8a3a23eb7c2375fa6b25aab90da3265f35d56ea9965f8d2c89a988052bbd0e05c0b3b3c124cb5e9f47b0b6ab5ea0df3b880d449fd3ff2a25767f
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SSDEEP
49152:Lhha5TtF7ZXKxZvLjnrt64H1eGHrWT7xdJ11ar07nqcBIL/ULWorCWmZ9vXEdQm/:E
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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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Drops file in System32 directory
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Suspicious use of SetThreadContext
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