Behavioral task
behavioral1
Sample
Solara Installer.exe
Resource
win7-20240708-en
General
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Target
Solara Installer.exe
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Size
3.1MB
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MD5
f50a68c61dc42dd1a580bcd95ef125cb
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SHA1
8386b75c11dc08c1b171db859edc67d0997942ad
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SHA256
6ec53d00c5ec35ddb220798199392028900352c18f3922167a55c45b782bb762
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SHA512
e08d6839d5d21fe4b872d025d8865e7414cdb5f2af717aecf5f253e9f5d28d9bf61df06fc3539f677492f114b3284c90443d42acc6f5f84af8b56f5c9165bab4
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SSDEEP
49152:zvflL26AaNeWgPhlmVqvMQ7XSKnkxNESEuk/ilLoGd2syUoTHHB72eh2NT:zvtL26AaNeWgPhlmVqkQ7XSKkx99GV
Malware Config
Extracted
quasar
1.4.1
Office04
Blazonh-53703.portmap.host:53703
d38a64cb-c543-4ac9-af17-1010776a1f39
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encryption_key
458FF650B9D9D277FD5A8DC74175331B7B2FC1B9
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install_name
Defender.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Windows Defender
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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 Solara Installer.exe
Files
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Solara Installer.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