Behavioral task
behavioral1
Sample
4c95a91f9e9be17ac8dfc92513223ad9f15dc5304295c0e057d9a9ac4462d8bd.exe
Resource
win7-20240729-en
General
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Target
4c95a91f9e9be17ac8dfc92513223ad9f15dc5304295c0e057d9a9ac4462d8bd
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Size
3.1MB
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MD5
b01d43f9119c7f8e3e03e10b9c4c54e0
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SHA1
60c0a9463d0a0f4c76b1bbcd172da3b31b2745d4
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SHA256
4c95a91f9e9be17ac8dfc92513223ad9f15dc5304295c0e057d9a9ac4462d8bd
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SHA512
1e35aaa337c2243afb4a041cdb235fc4619442d0f65f0568df179a8eb4dcf0e5e01f7538785e91114091a04043e63e0a9df0afaf73f9b459b9964d5c49b53f84
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SSDEEP
49152:rvyI22SsaNYfdPBldt698dBcjHlXQrmzrFoGdFTHHB72eh2NT:rvf22SsaNYfdPBldt6+dBcjHlXQG
Malware Config
Extracted
quasar
1.4.1
User
192.168.1.196:4782
bfd7a64f-0235-4549-b5e9-8300161f7bd9
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encryption_key
B96EE98050F3120605356492F093E599CFB838E2
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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
Quasar Client Startup
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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 4c95a91f9e9be17ac8dfc92513223ad9f15dc5304295c0e057d9a9ac4462d8bd
Files
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4c95a91f9e9be17ac8dfc92513223ad9f15dc5304295c0e057d9a9ac4462d8bd.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