Behavioral task
behavioral1
Sample
ShellExperienceHost.exe
Resource
win7-20230712-en
General
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Target
ShellExperienceHost.exe
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Size
3.1MB
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MD5
66f2cd749924ebcd3cd4e8e6882b50de
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SHA1
9a188abd5c98c3fec2da7b9dd5fed1927a191164
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SHA256
017154018a7290c534578cdbb64110339cff0d69f1e40f89db8176681b47981d
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SHA512
7deb88001b59a7364099d014fa655d8dc23ef28c6b8d5cf3a111506dee08945e52f2e432e2583751484e87310a83b10aa08c7c3a8c5ab3f4080f149abfee0962
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SSDEEP
49152:Hv3hBYjCO4Dt2d5aKCuVPzlEmVQL0wvwka3mhEmzfSoGdOTHHB72eh2NT:Hvnt2d5aKCuVPzlEmVQ0wvwf3mhs
Malware Config
Extracted
quasar
1.4.1
My VM
myownvm.anondns.net:13832
37.120.141.165:13832
071e2576-e94a-492e-8303-baae1cb4641c
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encryption_key
402F6F1B2F63357285F585A5880FBC2C0F468F55
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install_name
ShellExperienceHost.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Windows Shell Experience Host
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subdirectory
drivers
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 ShellExperienceHost.exe
Files
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ShellExperienceHost.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