Behavioral task
behavioral1
Sample
CB1.exe
Resource
win7-20231129-en
General
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Target
CB1.exe
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Size
4.5MB
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MD5
fadf5f5ca171a43609aa3fc48be3cdff
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SHA1
7e1ff00d54798a37707803a618fd643785621d10
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SHA256
1e4e053fbd54a639263a210fd950798697dc6d794e83b5d22ffd8a9a20f302d5
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SHA512
1390fd697bbe76b7ddad81444311cf645f90cdbc485251e8b812cdf366bffe8b35e2d96790db325766db76ed697ce52299b1f3cdffe714e254dc569bab16c1d2
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SSDEEP
98304:EkZr8rkfC0GZPxrkb3j08ssTuPGNEeHf5RTY9a+tL0S:mkfCHZPB8j0WZNpHLTYttx
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource CB1.exe
Files
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CB1.exe.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: 1.0MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 4.4MB - Virtual size: 4.4MB
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