Behavioral task
behavioral1
Sample
Clssssssssdfh.exe
Resource
win7-20230712-en
General
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Target
Clssssssssdfh.exe
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Size
3.1MB
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MD5
9a07ea3da66b111a257d3f012a8af76e
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SHA1
f2e867171bd173c543ded0a089712bae2d7c761a
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SHA256
c0bc318db125a1d59ca9d2956f2df6e2f1a0ca73b6bf8b1f506507a8a23d0074
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SHA512
f0073d8baf6ca1f5b779b86241d13027161140fff043b5c69e3d02085bbdb1b5e61a0f8aa3442690cd0e5f3d730fb4c9814b86cdfafb3ccd8ab31af106e73160
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SSDEEP
49152:3vPlL26AaNeWgPhlmVqvMQ7XSKwgxNESEKk/ibLoGdAS2THHB72eh2NT:3vdL26AaNeWgPhlmVqkQ7XSKLxdnw
Malware Config
Extracted
quasar
1.4.1
Office04
AmirAmir8565-20409.portmap.host:20409
1954aec2-bca2-457c-8f9e-dda26563b044
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encryption_key
24C4C2E29EB15906D3BCD470BE4D0D84565D339E
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Quasar Client Startup
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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 Clssssssssdfh.exe
Files
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Clssssssssdfh.exe.exe windows 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