General
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Target
4.exe
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Size
3.1MB
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MD5
dae2c52b1ecd13a7bb98aa3651167a7c
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SHA1
4cdc76a9561a32c6c6656897fd87aa5fc194c128
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SHA256
36332d397a9c6303da243d4e155d5277dd148e5226389bd07543bc73b126c89b
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SHA512
a401568b3e63e115addffbe00bc370cd550994744fa5ef81f1f2be2f10fcdaf32126297b5eca883f5ae78a861f1f31cd8d4b17924b0ffc0fcfab5efde14edd36
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SSDEEP
98304:Mvt22SsaNYfdPBldt6+dBcjH66dR16g7G:qW7jb57G
Malware Config
Extracted
quasar
1.4.1
Office04
4.tcp.eu.ngrok.io:14888
6abe46bf-4bae-466b-a5b7-06981681a7f6
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encryption_key
83B9DC5ABB23AE77BDF8DB5D068F456406F0F007
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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 4.exe
Files
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4.exe.exe windows 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