General
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Target
smss.exe
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Size
3.1MB
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MD5
bf04688e0d33e2a1b305c5cfe9dae94d
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SHA1
ee3924572b0ae9a0534e1c1e632fca12ea944f73
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SHA256
b088c1a59ca35c08c61fcbf4879c025177c1a46d34be546b031d82a478b6291a
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SHA512
e4917c80ebf40bcf5ad40c51f38e7c3b74d35be7b9a656c4592fed6d8c4f5b6d3f22eb694d4ecb37f5d5cbe0bf881a4ad3134576244e7d6f7e4655f86d7b29e3
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SSDEEP
49152:DvilL26AaNeWgPhlmVqvMQ7XSKNT+ICoGdwaTHHB72eh2NT:DvaL26AaNeWgPhlmVqkQ7XSKNT+j
Malware Config
Extracted
quasar
1.4.1
Office04
carolina-reverse.gl.at.ply.gg:34609
255a7afd-a9a3-4b9f-b4bc-647ca1724a1a
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encryption_key
524892BD8A433CE8E6A342E36737F573CEF5D252
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Quasar Client Startup
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subdirectory
SubDir
Signatures
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Quasar family
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Quasar payload 1 IoCs
Processes:
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource smss.exe
Files
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smss.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_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