Behavioral task
behavioral1
Sample
Nu.exe
Resource
win7-20240221-en
General
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Target
Nu.exe
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Size
171KB
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MD5
a9c54782e05bac7b7b9b8cea3d913260
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SHA1
6aa281e9055792938a5ae86939f26c4cdc1f1c66
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SHA256
35083d29c840025e95d9e6e262ef81e55c510530924ff2500b0c454552cb0a84
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SHA512
10942c53c5cee4201d7482492e1319012fd49b31a0a532cc29b89db3c4438f6a5227403e8af5d2299327d557261fa68940849f855b9f4e7e84898e978ee62a64
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SSDEEP
3072:zB+zOYDVSuPywKW99VlwAyNjkFvFldOILivyxRYQCvU5outp:zenVSuK2OYZFuILiURYdvSoSp
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Nu.exe
Files
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Nu.exe.exe windows:4 windows x86 arch:x86
Password: infected
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: 660KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 168KB - Virtual size: 172KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX2 Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1024B - Virtual size: 664B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ