Behavioral task
behavioral1
Sample
xunyouup.exe
Resource
win7-20240704-en
General
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Target
xunyouup.exe
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Size
329KB
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MD5
9cc3f6bec0f422e8cff29838f66a4b42
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SHA1
5a60949aef923c398280aadbe503c5c6b43c7f56
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SHA256
42ca41614a50b0ed8e8f0b88ad2ac3837718d0138bedbd20a0727a71c957bc4a
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SHA512
2d74ac4d0d0d9de36c064ebdce421ac3daa1dcd9d54c44604087a48c1070f36cf9d2ed76ed6283a43ddb8245e0a258a3412ee44989e1b10b7911ed60ccd008fa
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SSDEEP
6144:m68oipnnK9jqXEX52Ums+Tbxzbx9SmIqQyPodMUf8Dkzel6R8zHe1IZ:WfnnK9zABs+TbFx9SXOPCf8DkqAR8zHr
Malware Config
Signatures
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resource yara_rule sample upx -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule static1/unpack001/out.upx autoit_exe -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource xunyouup.exe unpack001/out.upx
Files
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xunyouup.exe.exe windows:5 windows x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 496KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 298KB - Virtual size: 300KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 29KB - Virtual size: 32KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:5 windows x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 532KB - Virtual size: 531KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 103KB - Virtual size: 102KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 26KB - Virtual size: 105KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 32KB - Virtual size: 32KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ