General
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Target
RAT tool.exe
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Size
3.1MB
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MD5
c588a1b864cd68bc3a872397a272c3dc
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SHA1
43a960182c02bd5da1667039f80ccad60d58e897
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SHA256
cc0f58ce042b7fdfbdd6708e02b81291ede8efd84c0f6ddb15cc112cc5a7931d
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SHA512
f76a5d94b7e6368a438f629afec8ed0eefb54712c9bb5234743b94cea34e4ca1947b6b90df30b9d082ca5feabbc6498af364bb5ff8d0e008da7f6a9f207c1e60
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SSDEEP
49152:yvQt62XlaSFNWPjljiFa2RoUYITunIJwQToGdOTHHB72eh2NT:yvc62XlaSFNWPjljiFXRoUYITunIJwQ
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.1.30:4782
527d6b5a-c716-4500-9e84-5840c7e340a4
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encryption_key
E54BE336D58046FD53BA6384AD78D66E8B2B987A
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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
Discord
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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 RAT tool.exe
Files
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RAT tool.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