Behavioral task
behavioral1
Sample
Solara Installer.exe
Resource
win7-20240729-en
General
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Target
Solara.rar
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Size
1.0MB
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MD5
d9f38b53744d48d9badb0f13b6ff9c64
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SHA1
cbe847336b3efd5427e190297f9c1f113b01abb4
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SHA256
0e13329c9300037a94aae47414aa0582fc4cc0943aa3f09fbe53b799ec8d7633
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SHA512
4d8b684ad74c862586ac16de4e90cebf34769219b83dba901d9fd8ab39259639492e6b576d57ca1174dd8c30e1bf8d775e5b12572389ce3fdb54f0793527ad9a
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SSDEEP
24576:s8nwPoDAeBwVeY83d3vs79py0RWkTW8v8wERxkKhIJYQmLM1bZ:rcor+h8N3079s0RWkTWY7EvNumw1l
Malware Config
Extracted
quasar
1.4.1
Office04
realwz-34142.portmap.host:34142
6eb5c908-87fa-4e33-a3b3-a6eaa2455bad
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encryption_key
458FF650B9D9D277FD5A8DC74175331B7B2FC1B9
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install_name
Downloader.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 static1/unpack001/Solara Installer.exe family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/Solara Installer.exe
Files
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Solara.rar.rar
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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