Behavioral task
behavioral1
Sample
gutou_sina/gutou_sina.exe
Resource
win7-20240705-en
General
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Target
b48f2ac154b3df263d888a31f9b6ad18_JaffaCakes118
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Size
274KB
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MD5
b48f2ac154b3df263d888a31f9b6ad18
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SHA1
63987afe874d9fb6fa1fe49b8c579168c6dfe886
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SHA256
b65a51d60a0cc2e31838219bb45740f7ba9906c0a33449477ecff77c3b29f484
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SHA512
efabc2fb545fa4059bfe3efcacdf051acdb7530962eb9a8474987192d9c22751eb55da798e3d9fb857fba60dad8bfa075342461c0759f5fcd3b3e6e32f9cf589
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SSDEEP
6144:/b5FEfwXObcG02FLh8LaaGCj89TwUcf+uDd97OY7V3Hf3mx51/:/b5pXm/VhgVQ38+O0Y7Zi51/
Malware Config
Signatures
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resource yara_rule static1/unpack001/gutou_sina/gutou_sina.exe upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/gutou_sina/gutou_sina.exe unpack002/out.upx
Files
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b48f2ac154b3df263d888a31f9b6ad18_JaffaCakes118.rar
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gutou_sina/gutou_sina.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: 536KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 272KB - Virtual size: 272KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - Virtual size: 12KB
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_32BIT_MACHINE
Sections
.text Size: 512KB - Virtual size: 509KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 84KB - Virtual size: 80KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 60KB - Virtual size: 172KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 24KB - Virtual size: 23KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ