Behavioral task
behavioral1
Sample
chrome_setup.exe
Resource
win7-20240221-en
General
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Target
chrome_setup.exe
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Size
3.2MB
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MD5
a2ec13b419aab56a505efa76b31ff0cb
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SHA1
24795403d01a3da77b2ac8dcdca1c3adbb5b1e71
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SHA256
55736ce9831aa95dcf765f38f780f02edaba3d4a8094ea7f965f375bd29428bf
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SHA512
c93e5c38c3bd59a63c53f4173e0c131a20d03ddf66a4e4fbfb3c411697eeca13df9ac1a54583099d5ce438bcb8b759c9a10b0a9314ffc2f27e6c164ae44a6934
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SSDEEP
49152:DvzlL26AaNeWgPhlmVqvMQ7XSKa9/TBxZ/oGdz2THHB72eh2NTh:DvpL26AaNeWgPhlmVqkQ7XSKY/hV
Malware Config
Extracted
quasar
1.4.1
Office04
nayef.ddns.net:4782
d4cc8fd4-c53a-41d0-8597-9c4d66a686e4
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encryption_key
207983DF7933102376491C87A7AF844DA0465E51
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install_name
Windows Wireless LAN.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Windows Wireless LAN
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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 chrome_setup.exe
Files
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chrome_setup.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: 61KB - Virtual size: 60KB
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