General
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Target
Client-built.exe
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Size
3.1MB
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MD5
c29b679780c556d0d38a7935d79a8954
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SHA1
695894c4453ae21b44c796069a6741876e11db20
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SHA256
8c3cae4068d790da88ee49cb598473cda9a480c3ffa3434c4e022f89a8f065e1
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SHA512
6fefebead89b46a0c6be8d6ca38f0ac1ce46e8e7da204de981077a51550d1b5069c7cee56060f5d185295513c03dac7c77e7b860f4daef021881d769347c532e
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SSDEEP
49152:qvqlL26AaNeWgPhlmVqvMQ7XSKwQDA2TSvJvWoGdU96THHB72eh2NT:qvSL26AaNeWgPhlmVqkQ7XSKPTJ
Malware Config
Extracted
quasar
1.4.1
hackerd
2.tcp.eu.ngrok.io:13885
1907a3a2-a9b3-4985-aa56-b150950526a1
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encryption_key
035B9CF9A6EC92BDF65D27636974B66108DBA827
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install_name
windowssysrep.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Windows Antimalware Service
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subdirectory
Security
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