Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
Client-built.exe
Resource
win10v2004-20240412-en
General
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Target
Client-built.exe
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Size
3.1MB
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MD5
61a794936ec8a32416ab054556f6270e
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SHA1
08f16c442752f65c04b8452642fd7b6102314fb0
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SHA256
796d5a37143cb32778bab8b2210e35c22d75bfaf2368323b0d2400ace4ded468
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SHA512
8000d3dfca0ef4daca77ad968af0c0ff496de9da59ffa5168479b0dcbd792ce5f1ea620cf0ff51d2bff1613383c3a3feeeccf1e07af963c199cb1d10e4d37988
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SSDEEP
49152:zv+lL26AaNeWgPhlmVqvMQ7XSKjDyr3MfNLoGd6ITTHHB72eh2NT:zvuL26AaNeWgPhlmVqkQ7XSKjDyrE
Malware Config
Extracted
quasar
1.4.1
Office04
LunasLove-64385.portmap.host:64285
29d7a2a1-3a57-4435-8407-1e32b7f510e7
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encryption_key
717F000FA98487F20ACB7C82618D076F1B6DB848
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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
Processes:
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
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