General
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Target
Seron.exe
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Size
3.8MB
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MD5
37a8e4ca2d9cf48f824aed73fb6c74f4
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SHA1
1e3c16715c770715a19e3081a5bfff0a7c8def3a
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SHA256
5e2e596768b289270d055d0906501f1c17b230a2453b5352d4cf2c4bcb85a2cd
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SHA512
a5ff0f11c69d72435a413579979befa491ffc600de7b56d1fc38c037c68a3cca46b37abb76d97cffb19e2be3f2b349143ae4f84e6a1035e7102ee805f01c50ca
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SSDEEP
49152:BWhyeb35zT3gum1O7qBmdx/flI0D0R5xiEEwKaS2HLk+N2:BWkY3gum1O7qBKfu9x
Malware Config
Extracted
quasar
1.4.1
Seron
dionehilarious679-62928.portmap.host:62928
8a0a9f55-a460-4857-bc64-683658037995
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encryption_key
3D7A6CA252746A6617287BDE7DDCB6EC49DFD879
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install_name
iLu7aNjJH3LfV0ck.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
iLu7aNjJH3LfV0ck
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subdirectory
SubDir
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 Seron.exe
Files
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Seron.exe.exe windows:4 windows x86 arch: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_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 3.8MB - Virtual size: 3.8MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.rsrc Size: 7KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ