Behavioral task
behavioral1
Sample
filfin1.exe
Resource
win7-20241010-en
General
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Target
filfin1.exe
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Size
3.1MB
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MD5
766e053d13e4f6750e8f694efb00fad0
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SHA1
2a0e1ca7711795dfe50231d03ab7d0349014df5e
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SHA256
0502a8da4a9f46a7375766b83d181aa9f38e9969b10801f80736a3598410a281
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SHA512
3de1970fc083d404a28827f25e0ff4f096d6b75a2c2367bff0476857f5e217da3f6c40f531c2b835b31233bde53bc51086c6784985294e97ce21523bbef2bd7f
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SSDEEP
49152:jvyt62XlaSFNWPjljiFa2RoUYIMcOhyvJo3oGdFTHHB72eh2NT:jva62XlaSFNWPjljiFXRoUYIWhR
Malware Config
Extracted
quasar
1.4.1
githubyt
87.228.57.81:4782
cf3988ab-2fd9-4544-a16f-9faa71eb5bac
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encryption_key
19A0FAF8459F69650B5965C225752D425C429EEC
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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
svchoost.exe
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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 filfin1.exe
Files
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filfin1.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