Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win10-20231025-en
General
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Target
Client-built.exe
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Size
3.1MB
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MD5
0f5e6a6dd20e90b51c63d5c9920937d4
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SHA1
3a361a421be4e528d647957bf365704439b6f87d
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SHA256
fde43385dad6e9c3632755688e4246e98a8afcc856ee95202385ede5be44b60c
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SHA512
d5c2296be40488af55b797b5c94adefafd2e614132ac568ecc5060dddd3dbb2ebd081f0922e5d8b85a1944388fbda2090055303278e923f882309aac9131dd46
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SSDEEP
49152:rvyI22SsaNYfdPBldt698dBcjHc1xNESEck/iJLoGdiGTHHB72eh2NT:rvf22SsaNYfdPBldt6+dBcjHOxTZ
Malware Config
Extracted
quasar
1.4.1
hehe
1.1.1.1:4782
87.159.4.210:4782
2ab00844-2cc2-4c38-a215-5d4028ea0bec
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encryption_key
E552491F30EE8BF7AEDE99C61267466B9722843B
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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 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