Behavioral task
behavioral1
Sample
wefudoneset.exe
Resource
win7-20240903-en
General
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Target
wefudoneset.exe
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Size
3.1MB
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MD5
06838ba1d6af1ff162f4bf79e8f7e451
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SHA1
1cf5196a0436fed50538a2bfef6cb14e1f8e30ed
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SHA256
22e0e3319b3a845ef2c6f8a5efdcb3612ba9561fcdf5c70b8e95cc26d959ff50
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SHA512
e87ca2bf97c7d4d1a4e0857d75a40bd30e009fafdbcd70a905f1818994afd3694abc6680f89c127b8d7a965dd12420d097ac1371da575cfe0872f303a1735c68
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SSDEEP
49152:8d9yr29T0PwfnBP6RTgxLul5XHpTTHHB72eh2NT:8dC29TffnB1xLw
Malware Config
Extracted
quasar
1.0
1321
127.0.0.1:7000
b8169f21-b1ab-4cdd-89e8-040d5b4d2b12
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encryption_key
14277F7D27CB958C695738C76EE5FBECE431CF60
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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
Microsoft
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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 wefudoneset.exe
Files
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wefudoneset.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