Behavioral task
behavioral1
Sample
mainn.exe
Resource
win10v2004-20240412-en
General
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Target
mainn.exe
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Size
3.3MB
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MD5
88daabfadfec7379a7b25ff1602dd7bd
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SHA1
65c3f35d7150df340ca797a2662437933178c9b5
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SHA256
0268b6f80286ff64286d42529c76f9e744932ca5a650b7e9ef2c3c0afc01af79
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SHA512
7a205e62c3608fcad774dea6384ae7da904a2ba090b9b6f30454bd23eab9f54a1dbaffd72c3534c554c468a5efaa90d75f659e74fdba3ee8581cbb9356c68aa2
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SSDEEP
49152:7vBt62XlaSFNWPjljiFa2RoUYI1bxNESEgk/iSLoGdDTHHB72eh2NT:7vr62XlaSFNWPjljiFXRoUYIJxbc
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.12.185:4782
15144cdb-7c06-478d-9be3-8228cfe2eee6
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encryption_key
5FCAB94261E1E836E0ECC532E93B636646535E65
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install_name
Conhost.exe
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log_directory
Scex
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reconnect_delay
3000
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startup_key
Google Chrome
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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 mainn.exe
Files
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mainn.exe.exe windows:4 windows x86 arch:x86
Password: lol
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: 151KB - Virtual size: 151KB
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