Behavioral task
behavioral1
Sample
cf6b625bec7ef296682b936125d3be8ca84f33294bf9b6f732f0a1f898de9a05N.exe
Resource
win7-20240903-en
General
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Target
cf6b625bec7ef296682b936125d3be8ca84f33294bf9b6f732f0a1f898de9a05N.exe
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Size
3.1MB
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MD5
8529f16047a929e78e1445e1e8da6420
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SHA1
069c98c62f10746b59e81074566064c12af98538
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SHA256
cf6b625bec7ef296682b936125d3be8ca84f33294bf9b6f732f0a1f898de9a05
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SHA512
dba5ce8694126ad36f0b32df10f0e91bccd9df74f79ad74d96b5fc27f5bbeafc3bafe8f5033d63bbf9cf762610508dc4558179b89747f1f82dd5797eb3e2845a
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SSDEEP
49152:Gv2I22SsaNYfdPBldt698dBcjHm0RJ6bbR3LoGdrUNTHHB72eh2NT:Gvb22SsaNYfdPBldt6+dBcjHm0RJ6t
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.1.178:4782
e3145a54-7071-437b-a36d-3b059a61f596
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encryption_key
428267984771B58D55BD3263A25F8163757BE0E6
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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 -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource cf6b625bec7ef296682b936125d3be8ca84f33294bf9b6f732f0a1f898de9a05N.exe
Files
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cf6b625bec7ef296682b936125d3be8ca84f33294bf9b6f732f0a1f898de9a05N.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