Behavioral task
behavioral1
Sample
Builder.exe
Resource
win10v2004-20240419-en
General
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Target
Builder.exe
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Size
7.4MB
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MD5
479fe29d71f0703e473ff35ae5405d54
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SHA1
cd4c655bd77410f26420e6456392d2220e5940ef
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SHA256
3129c5eb0502ec70256027f4130e2f1cd2c655cf2b9b77d0f57a45648da02258
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SHA512
c633f2d760c3e565955e629ce1fc5493d9fc96f45bf542b06f965d2f06f7c7339c8dddc8a54ef10999ce3b32f3ca73bb7678ff1bbafef3fa9873c77491865339
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SSDEEP
196608:Qrno0cDenLjv+bhqNVoBKUh8mz4Iv9Plu1D7A1:WieLL+9qz8/b4IzuRA1
Malware Config
Signatures
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A stealer written in Python and packaged with Pyinstaller 1 IoCs
resource yara_rule static1/unpack001/;�����z.pyc blankgrabber -
Blankgrabber family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Builder.exe
Files
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Builder.exe.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
CODE Size: 5KB - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
DATA Size: 512B - Virtual size: 124B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
BSS Size: - Virtual size: 1KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 1024B - Virtual size: 770B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: - Virtual size: 4B
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 512B - Virtual size: 24B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 456B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 7.4MB - Virtual size: 7.4MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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;�����z.pyc