Behavioral task
behavioral1
Sample
GFresend.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
GFresend.exe
Resource
win10v2004-20230221-en
General
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Target
GFresend.exe
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Size
387KB
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MD5
a3917f129414b38f37b5ad597946d4b2
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SHA1
98c6f5ec84c1ef0513e9a59bbf8abbd16356019f
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SHA256
9d8746109ce1d44b9e346657d04effbe98548da11bfb0ffa7cf1575b6a2a4056
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SHA512
4c4b0e0a5a52a45645aac4b6e41198cb5adb41f29f870e20884aa03ee217af3b52585208ff163dcb79f6521fd31b040ad3fa4292e5a9dcff3f2f11f2edbcb3fd
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SSDEEP
12288:HCywCIZq3qzT5gC6q03KZGQgX7Yzo9RR1D:iyVIQK5gDmGQSYzoZ1
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource GFresend.exe
Files
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GFresend.exe.exe windows 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: 664KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 385KB - Virtual size: 388KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX2 Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE