Behavioral task
behavioral1
Sample
512.exe
Resource
win7-20240611-en
General
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Target
512.exe
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Size
3.1MB
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MD5
317a46786b73fccfafa5b5678c1a21a1
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SHA1
e72c0001fb47a477514f5abdb348ae489de65f72
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SHA256
1dba5015247e9e52949d62c60c23713657123b7786cb790d6f1534126936c1b2
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SHA512
237b4b626c30911e1f705ac9765d33446f6948630e2a4179d444391cd4e8338e34691da69a8f044b329889c3680aa9cc19108482abe51f179c354d81c8ce678f
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SSDEEP
49152:Sv6I22SsaNYfdPBldt698dBcjH3mRJ6SbR3LoGdmTHHB72eh2NT:Sv322SsaNYfdPBldt6+dBcjH3mRJ6M
Malware Config
Extracted
quasar
1.4.1
Office04
pringelsy-51954.portmap.host:51954
ed30a1b2-d1a0-4e30-a860-b77fa3f71c40
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encryption_key
49F9D3CAD835E70C60B54E401E356C16B3822AE8
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install_name
Opera GX.exe
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log_directory
Logs
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reconnect_delay
1000
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startup_key
OperaVPN
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subdirectory
common Files
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 512.exe
Files
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512.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