Behavioral task
behavioral1
Sample
ClientVia.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
ClientVia.exe
Resource
win10v2004-20220901-en
General
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Target
ClientVia.exe
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Size
502KB
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MD5
be3c44fc58d14526f1f88ad0e6835290
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SHA1
072e7ab36bfa2773361320d32a442172437357e8
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SHA256
2a530c0ce9e28ccef15ab536554c6e1174f33564d823e1cfcdb720c9771bb1cd
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SHA512
9c0f3509ff24ade815541098476a336e784944feab12f199a3bf3ed48aeccb9503fae22278958fc71bdf35a213d0e02fd4b1368902c0bcb77b7c3ae38ac0cc50
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SSDEEP
6144:wTEgdc0YOXO0l6HeR9icuoucwtoflOwcEgZvb8F9MQ8ppBQChcTR3/:wTEgdfYol62OwUs+Q8LBQChcd/
Malware Config
Extracted
quasar
1.4.0
OfficeD62A68D
70.70.19.220:4782
70.70.19.220:4753
70.70.19.220:4770
d694e5f1-e750-4cdf-be77-8081e5942cc5
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encryption_key
45C5892F7FC83E096480FE9D090E9A8D064D660F
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install_name
JavaAMD.exe
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log_directory
JavaLogs
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reconnect_delay
3000
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startup_key
JavaAMD
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subdirectory
JavaAMD
Signatures
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Quasar family
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Quasar payload 1 IoCs
resource yara_rule sample family_quasar
Files
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ClientVia.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: 498KB - Virtual size: 497KB
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