Behavioral task
behavioral1
Sample
249b7515ea8abd9acf38ecd0b84e7417.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
249b7515ea8abd9acf38ecd0b84e7417.exe
Resource
win10v2004-20231215-en
General
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Target
249b7515ea8abd9acf38ecd0b84e7417
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Size
7KB
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MD5
249b7515ea8abd9acf38ecd0b84e7417
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SHA1
955460f4a629ba8a092a11b1d9a588da52b159ce
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SHA256
25db4c8a1c0edc6751968381d3b0100c1a50110cd5a5598b9ac0004ddc658616
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SHA512
ed8edc7662f4968272e0d7fd629be44c8c455c24a2cfee59927c862289c6a934cd16254427b67ff782bd4a29b60534c4698dcdba2aa32bfe8036921b437ff3f1
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SSDEEP
192:3NlFJhppn27lsANA2YcgSEQsh3rfvlQIRbfXtIyu:39Jnpnks5Ie9DNriyu
Malware Config
Signatures
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Patched UPX-packed file 1 IoCs
Sample is packed with UPX but required header fields are zeroed out to prevent unpacking with the default UPX tool.
resource yara_rule static1/unpack001/out.upx patched_upx -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 249b7515ea8abd9acf38ecd0b84e7417 unpack001/out.upx
Files
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249b7515ea8abd9acf38ecd0b84e7417.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: 16KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 6KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX2 Size: 512B - Virtual size: 4KB
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: 7KB - Virtual size: 7KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE