Behavioral task
behavioral1
Sample
zamenastrok.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
zamenastrok.exe
Resource
win10v2004-20240426-en
General
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Target
63981e177fadd29dfe024f6d87ee8c59_JaffaCakes118
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Size
30KB
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MD5
63981e177fadd29dfe024f6d87ee8c59
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SHA1
dc56defd5960d8beb09417b7a9959688742a81dd
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SHA256
1c12c843bd43d8b73fe93492d5b1714087cc9f0a3a590f62a6dd5d0f084b0c2b
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SHA512
08543a742532e8302b1803b195ae908cf3e0c03d3e4e6d62bb92f889a5813a6686310d6894098dda072c3040d76ee0491ad85265ddbb81dbc2262c0b6f83008b
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SSDEEP
768:6yM+Gci+KjUeCs3VUe+5U0fhMwq9U57DCQVMDFY1h7MrxBIgMP:6DRQ/oUe+5xfuwhDCuTr7M1Bx4
Malware Config
Signatures
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resource yara_rule static1/unpack001/zamenastrok.exe upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/zamenastrok.exe unpack002/out.upx
Files
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63981e177fadd29dfe024f6d87ee8c59_JaffaCakes118.rar
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zamenastrok.exe.exe windows:1 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: 56KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 29KB - Virtual size: 32KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 5KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:1 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: 47KB - Virtual size: 46KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
DATA Size: 1024B - Virtual size: 740B
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: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: - Virtual size: 8B
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: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 5KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ