Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20240319-en
Behavioral task
behavioral2
Sample
Client-built.exe
Resource
win10v2004-20240226-en
General
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Target
Client-built.exe
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Size
540KB
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MD5
eaa0ca9decc6b10f87a9ff57bbdd1941
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SHA1
7e86c621d0401f4d3168c448d638c1f4e85ae5b2
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SHA256
c4b75cdc84b5570235c4568fd085b2f82e3fa7ce16e39d56fddc821416129efb
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SHA512
061217a50f40f372e25b707801a07f931900ab74cf951dd490249ceeb27b737717e37039c188db54a9aa4fae5f3b0a8236e13377c61552b5d45869995c8170d6
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SSDEEP
6144:TsTjI4aO2DTy3Oxqk/5LDARfoz1Vib62ithQKaVymuabY+F4IFGqStKEbxI2:2I4aO2v5Pofoz1VltD9mi+F3YyEbxZ
Malware Config
Extracted
quasar
3.1.5.0
MicrosoftEdge
common-congratulations.gl.at.ply.gg:65362
127.0.0.1:65362
QSR_MUTEX_MKoa3FQkTUYpcQOoO7
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encryption_key
4ScLZeaXkOHrLSyZOCm8
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install_name
MicrosoftEdge.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
MicrosoftEdge
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subdirectory
MicrosoftEdge
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 Client-built.exe
Files
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Client-built.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
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: 410KB - Virtual size: 410KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 128KB - Virtual size: 128KB
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