Behavioral task
behavioral1
Sample
9b664d1737e4b08517167fff2d19bade.exe
Resource
win7-20231215-en
General
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Target
9b664d1737e4b08517167fff2d19bade
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Size
535KB
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MD5
9b664d1737e4b08517167fff2d19bade
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SHA1
dbbc1588618273813ca9f3de2708f4f4b7934029
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SHA256
ed07371994b2bce11a662df8ab5603ed80a73c30cdd4f29d922eae221320a39b
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SHA512
955e24ab139489a2835f553d6e58ebeb2af7dae20317c6510e3289a902bbf2a7ed329776dfc7afaa948d61fd0cd47b7216017003eaa410d4d07348e19848484c
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SSDEEP
12288:VuxMRH2MMvs5v5iX7K+k2dV++kQgog5Y:VWu2MMv5++kRc
Malware Config
Extracted
quasar
2.1.0.0
Hacked
Cheaper-60753.portmap.host:62240
VNM_MUTEX_7KSPEPYRO6LRW25BBT
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encryption_key
SPWhfeGvCah4GWzpm6Am
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install_name
Host Process for Windows Tasks.exe
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log_directory
Microsoft
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reconnect_delay
1000
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startup_key
Host Process for Windows Services
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subdirectory
MIcrosoft
Signatures
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Contains code to disable Windows Defender 1 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
resource yara_rule sample disable_win_def -
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 9b664d1737e4b08517167fff2d19bade
Files
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9b664d1737e4b08517167fff2d19bade.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: 531KB - Virtual size: 531KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - 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