General
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Target
OperaSetup.exe
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Size
6.1MB
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MD5
41642cbd557222d87e97ce3aac35bd96
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SHA1
e7f793261b6564a6e0f92b661af0364968f3a68f
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SHA256
a57bbb8bb354aeb030d0f4290567b304ea16571c66a9c58298fe4da8c4f91adf
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SHA512
b00206b1b1b351d50daf13ede7248d36348e6e5421084eb5f6e4dd97f16879206b5b52def84124afdad48e0ff363e37fe314097cc282e657f79eea8447d237fb
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SSDEEP
98304:JGh5ziNlRUaub+MPDrc/c+NmXnKyFrsqCFHj92AYawl1WPOl6NVLkJ0xWbcmy:J3NlqaubXgUCqCBBjxMy
Malware Config
Extracted
quasar
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reconnect_delay
3000
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 OperaSetup.exe
Files
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OperaSetup.exe.exe windows x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
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_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 6.0MB - Virtual size: 6.0MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.sdata Size: 512B - Virtual size: 177B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 31KB - Virtual size: 31KB
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