Behavioral task
behavioral1
Sample
015b46ff7f35bb33dbefa393382e6acbfb3a5a92d2efc31ad69dda3e41ff970d.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
015b46ff7f35bb33dbefa393382e6acbfb3a5a92d2efc31ad69dda3e41ff970d.exe
Resource
win10v2004-20241007-en
General
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Target
015b46ff7f35bb33dbefa393382e6acbfb3a5a92d2efc31ad69dda3e41ff970d.exe
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Size
3.1MB
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MD5
a07f035696ef9a0aab36822fe7af4092
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SHA1
bf21e76cab91b1db6b90b41c31ecad4129085caa
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SHA256
015b46ff7f35bb33dbefa393382e6acbfb3a5a92d2efc31ad69dda3e41ff970d
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SHA512
cf684ce07b06f984bc3ecf6f48a5deca308e2b1621f2b72d12766096b69eaab483f8b2da7a48450c2864f90953207f5bea24c6e3e0b4b74d220028e877d553e3
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SSDEEP
49152:evkt62XlaSFNWPjljiFa2RoUYIjO/YBxjLoGdZTHHB72eh2NTE:ev462XlaSFNWPjljiFXRoUYIS/Mj
Malware Config
Extracted
quasar
1.4.1
fontdrvhost
archerleet.duckdns.org:1862
92d56566-deb6-4133-9031-d3e24abe97f9
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encryption_key
0971EF27DF92928DE49B97AC507E38E80FF68C6E
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install_name
fontdrvhost.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
fontdrvhost
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subdirectory
Driver
Signatures
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Quasar family
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Quasar payload 1 IoCs
Processes:
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource 015b46ff7f35bb33dbefa393382e6acbfb3a5a92d2efc31ad69dda3e41ff970d.exe
Files
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015b46ff7f35bb33dbefa393382e6acbfb3a5a92d2efc31ad69dda3e41ff970d.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