Behavioral task
behavioral1
Sample
6aabee552a530d63bdabc02cbe5714fcb7e1f9c826acb0b27ad267d50065cdaf.exe
Resource
win7-20240705-en
General
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Target
3cf4f19b7c69135acb3c4c9bb9cdfb90.bin
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Size
1.2MB
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MD5
cec4c2e35dfbac24d9f83129f730478c
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SHA1
6241695b6388e17fa1fd716faabd8611271c2f64
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SHA256
15a29041d43b33af3f35611c8c8d2d398f864b671bf9235afdef9751e0815b7a
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SHA512
a6910a5211471a6528e54f98bafebe7cc925f24b89bf0d9864b2030ebe3458e335002da1fe254a5412725aa9f1c90569dee3c488ee51cc51d7970b6bff10e80e
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SSDEEP
24576:wk9MsRmZlKCi9hKEdVdKvLVTtPaXsvdq/V8qpWMnDQGazLVsmnMYHy1:wqxO1eKEzdWVtSXl/YpGa/VlMYS1
Malware Config
Extracted
quasar
1.4.1
Office04
nohchy-47404.portmap.host:47404
1a1e174b-dbf8-49ad-9b43-2cfbb233a6d9
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encryption_key
795CDD46D2CDD422BE523F263B64E03D8B6AAD42
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install_name
SolaraExecutor.exe
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log_directory
Logs
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reconnect_delay
2000
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startup_key
RtkAudUService64
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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 static1/unpack001/6aabee552a530d63bdabc02cbe5714fcb7e1f9c826acb0b27ad267d50065cdaf.exe family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource unpack001/6aabee552a530d63bdabc02cbe5714fcb7e1f9c826acb0b27ad267d50065cdaf.exe
Files
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3cf4f19b7c69135acb3c4c9bb9cdfb90.bin.zip
Password: infected
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6aabee552a530d63bdabc02cbe5714fcb7e1f9c826acb0b27ad267d50065cdaf.exe.exe windows:4 windows x86 arch:x86
Password: infected
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