Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
Client-built.exe
Resource
win10v2004-20220812-en
General
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Target
Client-built.exe
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Size
502KB
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MD5
23e737643eca1d04a3c0efe8cd4fac86
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SHA1
f17504d90db2895db12afb0a21642c80c7bf5318
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SHA256
fe710c2584406397b34a21e2b578a7bcaac892588e78966795e49db22e69fd5d
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SHA512
afd7d812111aa515a33628e3b957c68bde497547741ab660b9462d5fa911a80244def2da0df488878323ad721991fcd82f21ebb9ae4ba298264c0b4d03f279cc
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SSDEEP
6144:NTEgdc0YbX7IxUpGREWUk4c1EXa5NhSOe8NcA5WmMYcEpOb8FzPhR6oMhwhVcTRe:NTEgdfYYxUuPjteLA5GY5p7vRMccdu
Malware Config
Extracted
quasar
1.4.0
test rat.exe
10.0.0.86:4782
49dc2213-dbfb-436e-9918-a496a09ffc05
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encryption_key
9D29545CEDFC472EFD0B14083492D950259773DC
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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
Files
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Client-built.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