Behavioral task
behavioral1
Sample
vcac.exe
Resource
win7-20230831-en
General
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Target
vcac.exe
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Size
24.2MB
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MD5
456917c4f5c2843f8dad38d227ecf0c2
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SHA1
de949b64553dd28524f6ae722a939541ada85f1f
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SHA256
2e724b4185329154ed2e90817cf2cb30e94c31803385d0d77d97a35bedeea057
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SHA512
8fe19aec29f4e1112374b6c1ebf354130cde6cf945fda0ba25a765bec1b031b0e3fcfcf7fbffff1d1e0432059bd668f1dc39770bbcef7345a3ddb4bdc69968a7
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SSDEEP
98304:IKBbBWIgWljGxRB/LL6vc22SsaNYfdPBldt6+dBcjHVCU688cIyGOk3ta:p4xRBjgB7j4U6gl
Malware Config
Extracted
quasar
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encryption_key
䬀䌀唀尀匀漀昀琀眀愀爀攀尀䴀椀挀爀漀猀漀昀琀尀圀椀渀搀漀眀猀尀䌀甀爀爀
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reconnect_delay
1
Signatures
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Quasar family
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Quasar payload 1 IoCs
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource vcac.exe
Files
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vcac.exe.exe windows:4 windows x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
mscoree
_CorExeMain
Sections
.text Size: 24.2MB - Virtual size: 24.2MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ