Behavioral task
behavioral1
Sample
MSSafetyScanner.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
MSSafetyScanner.exe
Resource
win10v2004-20231020-en
General
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Target
MSSafetyScanner.exe
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Size
3.1MB
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MD5
1ae8b0e8c75365c47271340258db93e0
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SHA1
a6ad36735a30ba6684045f40fa370a3b6bceb6ba
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SHA256
df9104032c91e415db6acc7e364edd70cd1a2b436beb738af5286770c374a683
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SHA512
22e4b973836f4dc8252e67797c61218b1812c675f4d8301aa6c3f78428b2fd3adf8ec3eb5b3943d88ae197a59e1a6328a3f5c7c38cacddf82a64de367ea9aa9b
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SSDEEP
49152:uv7I22SsaNYfdPBldt698dBcjHYlvfQSLbGdkMTHHB72eh2NT:uvE22SsaNYfdPBldt6+dBcjHYlx
Malware Config
Extracted
quasar
1.4.1
MSSafetyScanner
103.168.19.82:4782
36273c21-280f-473d-aa8f-af6b17aef827
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encryption_key
89CEED02B51D5D5F5FEB3295A8627B7FC06903D0
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install_name
MSSafetyScanner.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
MSSafetyStartup
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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 MSSafetyScanner.exe
Files
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MSSafetyScanner.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