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
ad5de829a91c7cbe1a4c1aa19194cc4f
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SHA1
b4eb9f485f5b30204c67a6f2bbdd906e17a7dfb1
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SHA256
b9d740895052ab2f57e092e12fea8e29b974b03a3c5a896007dcb931b9f9ed87
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SHA512
1ff7e1541c0cd442266a0a35baf1464a5a6c5f9b13ae72b303bb3e1dad2781926a33b47d5c7c4e1dd9ddcf1403bac104722405b0f640e42d6bc8e7e29c7da09d
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SSDEEP
49152:3vflL26AaNeWgPhlmVqvMQ7XSKMHRJ62bR3LoGd7THHB72eh2NT:3vtL26AaNeWgPhlmVqkQ7XSKMHRJ6w
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 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