General
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Target
vcac.exe
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Size
24.2MB
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MD5
31edf6794d606a1aeaa949c61b0bf763
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SHA1
f684f012b2ffaafe76a6dce82396babfe6cc0d26
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SHA256
eb7a05afb043051be15c71ae8f134df9668ed3ef467ea63a40c4182a5aad8ee5
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SHA512
03917d80e5c7b22e9abea8b58924726af9d2c25b304a71fd8683281561a336e47d56c96d5fe376bf2ff024a9b041b3b164adbcdfc5050db17bffc8541c32a4f0
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SSDEEP
98304:MKBbBWIgWljGxRB/LL6vc22SsaNYfdPBldt6+dBcjHVCU688cIyGOk3ta:94xRBjgB7j4U6gl
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