General
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Target
Client-built.exe
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Size
3.1MB
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MD5
e71e649f06ebafd749a0b2448309af4e
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SHA1
7cc3b115e4ead3bab9e1a7b1af36b17ec22e8f34
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SHA256
0af9feaba23a5dcce76834fe7d865659e08667a954b893bfa66cc00afa3a352c
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SHA512
27f27d4b6884f775c648baf14fdcc044fdec20c1d75d20c1844b0a2288e60c30817be9bb5b2970be492a2b14548a389d24a2167f3ee99426d4f04950c1dfbd18
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SSDEEP
49152:bvTlL26AaNeWgPhlmVqvMQ7XSKx/hk9h3vJvLoGdaTHHB72eh2NT:bvJL26AaNeWgPhlmVqkQ7XSKsht
Malware Config
Extracted
quasar
1.4.1
Office04
nbo:35221
records-spank.gl.at.ply.gg:35221
1bb40cd1-8716-4878-8e8d-d6351a4add76
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encryption_key
3AC27EDE75E4BA2251906BB415CCDF387853F19C
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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
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