Behavioral task
behavioral1
Sample
Stub_2470.exe
Resource
win7-20240704-en
General
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Target
Stub_2470.exe
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Size
3.2MB
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MD5
77a54258caba28ebc088bdf6e44dad41
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SHA1
cf7f6cc16a0a1f5c11bc85563308ab0e9e3fef27
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SHA256
761c60da60ead4c8917799d0988920ca758a0fb9832276d62043495499914c6f
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SHA512
b2d35b4c18330638b3864c8d20e0fb979925f32c5e1cc62d2a23e5187eb8dceab3695432bb890420338532242bf89fe403e7cdc4abfdb9e399f44483d221be80
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SSDEEP
49152:0gIFvQi4oVXM1egC0adkSrtTRmqaRNtWwyxS6faUz09rXQOcO3r2hdEpZlWYAty:0gIFvd433r2h2pvWYAI
Malware Config
Extracted
quasar
1.4.1
Test
147.185.221.22:20094
aaf4767c-dd88-4c3f-9683-69a87558c907
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encryption_key
9E968F05BD874BA1BE086FD1774A027473823F49
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install_name
Windows Host Process.exe
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log_directory
Windows-Logs
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reconnect_delay
3000
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startup_key
Windows Host Process
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subdirectory
Jerk
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 Stub_2470.exe
Files
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Stub_2470.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: 3.2MB - Virtual size: 3.2MB
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