Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20230220-en
General
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Target
Client-built.exe
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Size
3.1MB
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MD5
e5a957d742e86069e808a4e8525a2c31
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SHA1
f5bca835fc48370d294c810861c2fc6d796dabfe
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SHA256
48d745dd6d402759d62ce57210b1023d46cf695b518149717d8a84c56979bf54
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SHA512
846393b81978f5ae01c4297ca1fa7d71c77206cada702f0d7f1783c2568d8afd765b1a5ab689c967130dceed1fd71aa9c1625060c67bddfa9b36ea4f1fdae63d
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SSDEEP
49152:QyM/j2yMy5en93hlLLzJjVrv+QZXoGdTcTHHB72eh2NT:QyOj2yMy5en93hlLLzJjVrv+e
Malware Config
Extracted
quasar
1.4.0
Office04
127.0.0.1:4782
58ce0e51-a8c5-47cf-937a-1d1be3708f35
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encryption_key
2641D3FE9CE9887393BE5D9758F72EE9FFB5966A
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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
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