Behavioral task
behavioral1
Sample
a4cbe08b12caf091cec50234d9a2d54ffbbd308b4e3c76ef5394c21a35d0e043.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
a4cbe08b12caf091cec50234d9a2d54ffbbd308b4e3c76ef5394c21a35d0e043.exe
Resource
win10v2004-20241007-en
General
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Target
a4cbe08b12caf091cec50234d9a2d54ffbbd308b4e3c76ef5394c21a35d0e043.exe
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Size
3.1MB
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MD5
b29de0d04753ec41025d33b6c305b91d
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SHA1
1fbb9cfbda8c550a142a80cef83706923af87cd8
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SHA256
a4cbe08b12caf091cec50234d9a2d54ffbbd308b4e3c76ef5394c21a35d0e043
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SHA512
cfa6f06cb7e2a8e1ff888fc783e0271f61db39251350423432d4be829188c98cd744e946595ccc01c9ad2b03053a10efa13312ce70c80f837293b6785c215816
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SSDEEP
49152:zvHI22SsaNYfdPBldt698dBcjHOd/mBx3LoGdbTHHB72eh2NT:zvo22SsaNYfdPBldt6+dBcjHQ/e
Malware Config
Extracted
quasar
1.4.1
Windows Client
148.163.102.170:4782
4c18e02c-7c39-4a5e-bbef-16fe13828101
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encryption_key
73B0A3AC50C78E243EA93BF9E60C9BC63D63CA26
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install_name
Sever Startup.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Windows Startup
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subdirectory
Windows Startup
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 a4cbe08b12caf091cec50234d9a2d54ffbbd308b4e3c76ef5394c21a35d0e043.exe
Files
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a4cbe08b12caf091cec50234d9a2d54ffbbd308b4e3c76ef5394c21a35d0e043.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: 7KB - Virtual size: 6KB
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