General
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Target
test.exe
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Size
3.1MB
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MD5
1b686abfb9749a3afc474b35358777a7
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SHA1
9ef8295007e94c46a51a834fc28d5149be6e172c
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SHA256
51a46ec8ab5c2ce8120574862856431ae0fe43835614d7451254349c8449dbd2
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SHA512
e487f734eed472aae2c850b89a6eafa4d03b1617ef5a19775feeff2710d5a7776babae7b723b8e64af1ee799db4d080b3f1044fd5f395f5303a2783545e506ad
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SSDEEP
98304:jve92YpaQI6oPZlhP3YybewoYaM9oQ6D:LO/w7ayoQ6D
Malware Config
Extracted
quasar
1.4.1
amogus
192.168.1.8:8800
fdb4:f58e:ba38:2e00:d8b8:db52:2626:c864:8800
7f37811d-9003-43b9-bdc7-ed884a935046
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encryption_key
39AED3F0C038C369268A1B952FEC319172EFD62C
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install_name
SystemUpdateServices.exe
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log_directory
Logs
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reconnect_delay
2000
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startup_key
SystemUpdateServices
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subdirectory
SystemDataForUpdate
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 test.exe
Files
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test.exe.exe windows:4 windows x86 arch:x86
Password: interfecty
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: 3.1MB - Virtual size: 3.1MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 3KB - Virtual size: 2KB
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