Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20230712-en
General
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Target
Client-built.exe
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Size
3.1MB
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MD5
5c0dcf7166a4f2df85a42940f2fe249a
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SHA1
e0cdb7935aa4236eeeddcb2c0ffdc01f7d3ae0f3
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SHA256
c42553ebd2f1e93c7bb519eef352d11779c696413d8879f1911c34061afe2c98
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SHA512
c23153e53f0aeb88ab69ade579e86866b34d382363ed987cb74296bb53a2a2d3f68df9aec754dacc0bf5f51065cc9934bf7480f865bf792da914cec7100f82d7
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SSDEEP
49152:HvBuf2NUaNmwzPWlvdaKM7ZxTwDZRJ67bR3LoGd/k+THHB72eh2NT:Hvcf2NUaNmwzPWlvdaB7ZxTwDZRJ6N8
Malware Config
Extracted
quasar
1.4.1
Infected
192.168.1.1:4782
192.168.1.66:4782
dark-crystal.at.ply.gg:4782
ff410ede-beff-4970-8e12-7d251057f1fd
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encryption_key
1B172706DED462B59F2A5056AB06A8DD1EE8491B
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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
Realtek Audio
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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 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