Behavioral task
behavioral1
Sample
39401e14b18fd2883fe0f51e8c82af95.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
39401e14b18fd2883fe0f51e8c82af95.exe
Resource
win10v2004-20231215-en
General
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Target
39401e14b18fd2883fe0f51e8c82af95
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Size
2.7MB
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MD5
39401e14b18fd2883fe0f51e8c82af95
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SHA1
5a20862ec6ca6f90a256d8e675cc5193afbe0a99
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SHA256
856df1ac4ec1c96927ae4bd540f6d6bfffd6231851c0df9fb3659e9c33c0f8e0
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SHA512
31cdb31935cf9cb74467c1993ca6156a2a56f6dfc00b216e682133c8e4ba7a797ef62149b6c3e2675a072806c7afe6d7ce797a78e8f8fdbecbde6bfe8927a12b
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SSDEEP
49152:SOEiLj+kCZufc2lmjQXF9f3wsuss6vtryGQgQSn7V4EawZWMqTZrOO53RTqtid3S:S/aj+kCZuZlepw83rOO53M55trRok
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 sample patched_upx -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 39401e14b18fd2883fe0f51e8c82af95
Files
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39401e14b18fd2883fe0f51e8c82af95.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
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 1.3MB - Virtual size: 1.3MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 296KB - Virtual size: 296KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE