Behavioral task
behavioral1
Sample
executor.exe
Resource
win11-20240221-en
General
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Target
executor.exe
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Size
3.1MB
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MD5
8e2b0fc35b089edcec7bb942d90bb559
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SHA1
f35e89fb5304b3128c0a1f8fb1e676d636c7ff57
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SHA256
b2b1733c21a6f44fa14fc4172c89bcd8e42be1a94f9cad208be9d289a4aa68bc
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SHA512
cb632b7691a1515102d3415fdf7d5bc8be7001d3b686207e52e9a2d4c1271ccb954ed494c88c00501fc1d88fbc17be1abe7754847207aaeb45582288cd88152d
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SSDEEP
49152:rvyI22SsaNYfdPBldt698dBcjH1iYCMfENoGnGTHHB72eh2NT:rvf22SsaNYfdPBldt6+dBcjH1iY4
Malware Config
Extracted
quasar
1.4.1
SUCKMYBALLZ
192.168.1.55:5311
9a0cc23f-f6da-4cf2-b03f-6c70016e99d6
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encryption_key
22CF498DDFFDA7F4F62EAEC6CA73FC6638514D4E
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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 executor.exe
Files
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executor.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