Behavioral task
behavioral1
Sample
test.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
test.exe
Resource
win10v2004-20240419-en
General
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Target
test.exe
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Size
3.1MB
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MD5
4acacef8b4a13886a4c0106e0986b87f
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SHA1
b0f8ab36019e00c32e3eb77ee5997a6bf6e4c782
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SHA256
1ad823bc6a4cba74adb015bcfe5b7da01f427a89bf48f223592b7ec741ea19a8
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SHA512
198370c69ff7a8857bf0be5c58fc7d1042d7383c3d2e107c47f1f675ca2c71c7c1fb0d585151f7990b8b59fb156e5db3168f9c1693237c7a6e3a70b3e998d0cb
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SSDEEP
49152:mv+lL26AaNeWgPhlmVqvMQ7XSKwJj+J0mzewoGdLTHHB72eh2NT:mvuL26AaNeWgPhlmVqkQ7XSK8j+JT
Malware Config
Extracted
quasar
1.4.1
Office04
perlaa-56835.portmap.host:56835
0b14c763-99cd-4cf8-92e6-a6ef4caef176
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encryption_key
F9AE2C47F7E51C09F3C8818CFFDAEE1E93438C19
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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 test.exe
Files
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test.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