General
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Target
Client-built.exe
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Size
3.1MB
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MD5
9f21cf43d032fc842837ef4b192140aa
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SHA1
20464f746717ef1d9e7d4424a489bb07f9e0fc43
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SHA256
705a6a49aa16e995ea92d6f866a61c5d4e7b9eb4ec9986af35ce5b488c45fbb9
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SHA512
30ebc041afb9ca8990787a60bb3be189926e61c42897e99dd1b1a05a87a1a1679c0a60466670e3be0bf485d5aadf5898e993e1b883cdd924d7bfec56b0f9ad6f
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SSDEEP
49152:CvIt62XlaSFNWPjljiFa2RoUYIL5zapoGBXTHHB72eh2NT:CvE62XlaSFNWPjljiFXRoUYIL5z2
Malware Config
Extracted
quasar
1.4.1
Client
45.202.32.36:1111
30f39ce2-55fb-4edc-9531-3fb9e6ba4912
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encryption_key
9ABAA568E3BFACC1828658EB883F521748218E8E
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install_name
Updaterr.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Updater
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subdirectory
Discord
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 Client-built.exe
Files
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Client-built.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