Behavioral task
behavioral1
Sample
99ca881e063332447254bc2dac9c04e0c5804fa300249fb37da1254feef2f6d8.exe
Resource
win7-20240221-en
General
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Target
99ca881e063332447254bc2dac9c04e0c5804fa300249fb37da1254feef2f6d8
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Size
404KB
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MD5
ad07015720ad85d14bec9d9915010137
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SHA1
47f67d61eb6b990e77b112d7120ac47ac2d28c7e
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SHA256
99ca881e063332447254bc2dac9c04e0c5804fa300249fb37da1254feef2f6d8
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SHA512
1f1b13c646f5550cbf775ca576dec30f9e26b670f224864be922cbebadd99c4dd4cb29494b9f8ad96421f35406832146fffba04c682095b30fda336ca6381b4f
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SSDEEP
3072:/u8ANCMu8ANCHu8ANCgu8ANCqu8ANC8u8ANC3u8ANCmu8ANCIu8ANCju8ANCD:GvNyvNhvNuvNAvNivNRvN0vNWvN1vNc
Malware Config
Signatures
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UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 99ca881e063332447254bc2dac9c04e0c5804fa300249fb37da1254feef2f6d8 unpack001/out.upx
Files
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99ca881e063332447254bc2dac9c04e0c5804fa300249fb37da1254feef2f6d8.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 64KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 15KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 23KB - Virtual size: 24KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 44KB - Virtual size: 40KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 24KB - Virtual size: 22KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ