Behavioral task
behavioral1
Sample
Registry.exe
Resource
win7-20240903-en
General
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Target
Registry.exe
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Size
3.1MB
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MD5
6f154cc5f643cc4228adf17d1ff32d42
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SHA1
10efef62da024189beb4cd451d3429439729675b
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SHA256
bf901de5b54a593b3d90a2bcfdf0a963ba52381f542bf33299bdfcc3b5b2afff
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SHA512
050fc8a9a852d87f22296be8fe4067d6fabefc2dec408da3684a0deb31983617e8ba42494d3dbe75207d0810dec7ae1238b17b23ed71668cc099a31e1f6539d1
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SSDEEP
49152:KvXI22SsaNYfdPBldt698dBcjHEIW+stuoGdXTHHB72eh2NT:KvY22SsaNYfdPBldt6+dBcjH7W+sM
Malware Config
Extracted
quasar
1.4.1
Office04
14.243.221.170:2654
a7b38fdd-192e-4e47-b9ba-ca9eb81cc7bd
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encryption_key
8B9AD736E943A06EAF1321AD479071E83805704C
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install_name
Runtime Broker.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Runtime Broker
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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 Registry.exe
Files
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Registry.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