Behavioral task
behavioral1
Sample
d600758023374f78d58acafbcaf94af66ad203b28e22a.exe
Resource
win7-20241010-en
General
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Target
d600758023374f78d58acafbcaf94af66ad203b28e22a.exe
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Size
3.3MB
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MD5
e089ca24836249976e2d5dca3678e807
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SHA1
8cf9c018fc37aa609b08d49de20e9856b643305b
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SHA256
d600758023374f78d58acafbcaf94af66ad203b28e22a305e2a9d53768b7030f
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SHA512
76173c832baf4f003f7a2242b1daa8e4021320040de84125d1796c8b67dc2582b607efa77d386db38f6eda5dec892c9fc947b1930695d14687391537aa060f5a
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SSDEEP
49152:pvPI22SsaNYfdPBldt698dBcjHkxOEMk8k/JxpoGdCYTHHB72eh2NTf:pvA22SsaNYfdPBldt6+dBcjHkxnby
Malware Config
Extracted
quasar
1.4.1
Office04
173.214.167.207:4782
feefbbd1-f830-4abb-beee-ba55da8cb629
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encryption_key
51CB1F5A5C66153C4F993F7F3638B35B3A7597B3
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install_name
DefenderScan.exe
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log_directory
init
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reconnect_delay
3000
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startup_key
Defender
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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 d600758023374f78d58acafbcaf94af66ad203b28e22a.exe
Files
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d600758023374f78d58acafbcaf94af66ad203b28e22a.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: 168KB - Virtual size: 167KB
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