Behavioral task
behavioral1
Sample
4d44cce675d941195d0338383fc8d9a3.exe
Resource
win7-20240903-en
General
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Target
4d44cce675d941195d0338383fc8d9a3.exe
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Size
3.1MB
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MD5
4d44cce675d941195d0338383fc8d9a3
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SHA1
eadc7632c244feba7e2ff20f98b694981abbe718
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SHA256
8b745645c7ad72c79c48e6e17679426ef02350fb7ba021b1b031b36b65be2573
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SHA512
ae142c6fefe42783d8ec7ef8c46aed65e3f9f925eab4b6523a60d77ab55560c89feabc05f1918f8ed9842962bf181581b91b2a783366b7f493e5b13362565e6b
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SSDEEP
49152:uviI22SsaNYfdPBldt698dBcjHIGY81JjIoGdmUEjTHHB72eh2NT:uvv22SsaNYfdPBldt6+dBcjHIGYb2
Malware Config
Extracted
quasar
1.4.1
Office04
45.152.161.204:4782
6507694e-b708-4ac8-a296-4341b4d70653
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encryption_key
E625E2A23254437EEF82D6C93F3083477AE69EDA
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install_name
WindowsUpdater.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
GitHub
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 4d44cce675d941195d0338383fc8d9a3.exe
Files
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4d44cce675d941195d0338383fc8d9a3.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