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
0be4822a2aa94fb527a7c8c4fdbd8033
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SHA1
dbf97bb8497867d84816e459eb5e627e1f4766da
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SHA256
79202ffb2dca120eb2873aa0b618aee2eaf08dbdad0749c7da459adb15648cd0
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SHA512
d9002ff847a64cdc99f937c7e89b907513423aeba53243d50b769d6a42eace60e46b24e8400abc049046c4db8341180c71e3c78c4c4ad841a83e53e199da826c
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SSDEEP
98304:tKBbBWIgWljGxRB/LL6vc22SsaNYfdPBldt6+dBcjHVCU688cIyGOk3ta:44xRBjgB7j4U6gl
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