Behavioral task
behavioral1
Sample
xeno.exe
Resource
win7-20240903-en
General
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Target
xeno.exe
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Size
3.1MB
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MD5
b41a318867f211209a6667cce4681bce
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SHA1
e4cb286b8ba7f7d311453b7066b32c1650d1ffdb
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SHA256
fe33baebf921d81c28b5c28ef1320a4f06f4e725e18c9547b0f3b23acf26afd6
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SHA512
5c7814c9d807f06b1dbd01a9125fd501beed4f9d6afb30a94dc9284ed54badcd5c6c1f6a5f2dfbf8e1e9d137ad0291e2f540f1546d8eef359b5759793aa4400a
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SSDEEP
49152:av3I22SsaNYfdPBldt698dBcjHwJRJ6ebR3LoGdMywTHHB72eh2NT:av422SsaNYfdPBldt6+dBcjHwJRJ6Y
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.68.1:4782
948fde50-66bb-4ffd-aeca-4cc76d13c423
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encryption_key
FE78C5AAB1B8DB7C1492A05B7A35D613C6807754
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Quasar Client Startup
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subdirectory
SubDir
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 xeno.exe
Files
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xeno.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