Behavioral task
behavioral1
Sample
Contrato_Ativo1507(pdf).exe
Resource
win7-20240704-en
General
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Target
a74c1b9fd6f29fae2c5a45005c0d3fba_JaffaCakes118
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Size
150KB
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MD5
a74c1b9fd6f29fae2c5a45005c0d3fba
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SHA1
3cdff3a4ec35854bdd3776c60b2b27a42929ce9b
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SHA256
71f952bcc6d79c9ab0c0ec32178b7a7c2576367dd18ef8d7e6a90b0972fe6770
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SHA512
804c3d89f059e746b8b6eeb14d57204e4c42bf3311bb35a1c861e7c30a004f0f98a2f9d224858aa0282f52ce4e7d97d9bf472b682ce43ba2aa3c3e443c5df5b0
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SSDEEP
3072:crcVOD+9CccuzfCRHCUcHQkcM9qlu+DneRHU6r90L:cs9Cu8HCUcwleq3qpr0
Malware Config
Signatures
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resource yara_rule static1/unpack001/Contrato_Ativo1507(pdf).cmd upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/Contrato_Ativo1507(pdf).cmd unpack002/out.upx
Files
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a74c1b9fd6f29fae2c5a45005c0d3fba_JaffaCakes118.zip
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Contrato_Ativo1507(pdf).cmd.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_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
UPX0 Size: - Virtual size: 260KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 150KB - Virtual size: 152KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - 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_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
CODE Size: 319KB - Virtual size: 319KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
DATA Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
BSS Size: - Virtual size: 3KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: - Virtual size: 16B
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: 22KB - Virtual size: 22KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 21KB - Virtual size: 21KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ