Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20240903-en
General
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Target
Client-built.exe
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Size
3.1MB
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MD5
b460be0db90b88f054f802bcb15c3085
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SHA1
b3b4faa9d76b3b7c1a595d86b72105b9e42c564e
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SHA256
6872f02318d5f28b83c7a19dab208002c06bc3261b8af28ce5ab46c5048e342b
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SHA512
86b9d397e1320c960871d97dbb7fcc02a59bddd8b4fb9d9094a08856e8b6266fd525cbb89c857ba1907f356f4172bca9fdfefc0b26da47c7fb7e8d82ebb845f0
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SSDEEP
49152:LvilL26AaNeWgPhlmVqvMQ7XSKYWBCpfoGdD4THHB72eh2NT:LvaL26AaNeWgPhlmVqkQ7XSKYWBCZ
Malware Config
Extracted
quasar
1.4.1
Office04
science-attract.gl.at.ply.gg:4444
6ad33fe9-6ed2-45c9-940d-96954b1558e6
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encryption_key
E040A051368780825E373BF53836EF5E3A5FBF62
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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
WindowsDefender.exe
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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