Behavioral task
behavioral1
Sample
b47ac6cd4c95203d406fdae9ee5f4ed0N.exe
Resource
win7-20240705-en
General
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Target
b47ac6cd4c95203d406fdae9ee5f4ed0N.exe
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Size
348KB
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MD5
b47ac6cd4c95203d406fdae9ee5f4ed0
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SHA1
5e255e4c7660c2c9f1819a49aec56338d103f84d
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SHA256
e57d87eb4c317491d133c823d594d4a4db4eb9f45553444e12802c3224daf9af
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SHA512
9721d2c038b92459c811a6c98957879a1fc8555a70617bed04c599101e6bb8ed8e33019104bec9de7cd311fd2945dab6ba24e8857c019051f6556e54665266c8
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SSDEEP
6144:aI6bPXhLApfprCpH1iVLIK0Xida5v6trsdQbQ/IJ3z0Vey0rIK:nmhAp5c16Lyrn/IpzWt0kK
Malware Config
Extracted
quasar
1.3.0.0
newffff
windows-defender.com:10
QSR_MUTEX_SVa0lIo2mSEjV8UMGD
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encryption_key
66ns531dENyEm8A6GMEO
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install_name
svchostss.exe
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log_directory
Logsa
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reconnect_delay
3000
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startup_key
svchosts
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subdirectory
svchostss
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 b47ac6cd4c95203d406fdae9ee5f4ed0N.exe
Files
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b47ac6cd4c95203d406fdae9ee5f4ed0N.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: 344KB - Virtual size: 344KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - 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