Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20240221-en
General
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Target
Client-built.exe
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Size
3.1MB
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MD5
e3c2d0b1836b0a0986bbda8072796ab0
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SHA1
3ba54aca2acaa078d11e189e0b9e5cf3f57ddfb9
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SHA256
e51be2754c440078f3945070b08d88d18b0973ae44353376b92c9cc6136f17a5
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SHA512
17fb83710814884d9a510c6e60708bf5d7981e461af4b0238520941218af92545d4b2719eefb384d745a06262f67ddc376901aecedf85a3802e61183cef27fc0
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SSDEEP
49152:aveI22SsaNYfdPBldt698dBcjHTs1QG0+gvJ2yoGdBTHHB72eh2NT:avT22SsaNYfdPBldt6+dBcjHgg+M
Malware Config
Extracted
quasar
1.4.1
dilly
lvke-45989.portmap.host:45989
0cb49dc2-fd0d-4581-ae1e-04154c41f310
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encryption_key
E5250226804167CB0B1B4B0E9667D0C056694DCA
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install_name
defenderx64.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Windows Defender Helper
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subdirectory
en
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 Client-built.exe
Files
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Client-built.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