Behavioral task
behavioral1
Sample
Windows-Defender-Secuirty.exe
Resource
win7-20240903-en
General
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Target
Windows-Defender-Secuirty.exe
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Size
3.2MB
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MD5
9ba5115936784f8cb9ac69bd61736c55
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SHA1
dac63ba8cc947740f97d83d734eb6010a67e983c
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SHA256
913818cbb566744d97334e44051152cba76e7f51e0ca0d54ea3d401e304480a3
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SHA512
9628b5787262619bf752e66bbefd668ffde71036beb8672b4ec35c0cea5d37ce2b181e3a2c7ca56bacab4752516174ee72b917954d4dfe5790fe986da9b79d22
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SSDEEP
49152:4vElL26AaNeWgPhlmVqvMQ7XSK4MR16tbR3NoGdq6THHB72eh2NT:4vkL26AaNeWgPhlmVqkQ7XSK4MR16Z
Malware Config
Extracted
quasar
1.4.1
Minecraft
193.161.193.99:31740
7424fadc-becc-4b4c-bea3-27b51a34ad76
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encryption_key
69C432FEA7A429312DD8D56BD03E551FF7516129
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install_name
SecurityHealthManager.exe
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log_directory
lom
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reconnect_delay
3000
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startup_key
SecurityHealthManager
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subdirectory
Health
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 Windows-Defender-Secuirty.exe
Files
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Windows-Defender-Secuirty.exe.exe windows:4 windows x86 arch:x86
Password: ciayraratas
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: 107KB - Virtual size: 107KB
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