Static task
static1
Behavioral task
behavioral1
Sample
yfept.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
yfept.exe
Resource
win10v2004-20231215-en
General
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Target
1115e9f35a394904eeaec5a275ac4230
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Size
1.6MB
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MD5
1115e9f35a394904eeaec5a275ac4230
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SHA1
018ef65b2d0cad1cfce31551d6e503f0e61fde55
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SHA256
df247b8593bde4effe82fc696cd04ebefc4dd993486855da2ce5fe9a5574f191
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SHA512
fca9aea324500f615e046b3660d85c28301bcc07f653157cb5d03ea8ce40cea5aed8b710a656c481e3bda472b2c12960606ec1b37c54e951c408f71c26cebebb
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SSDEEP
49152:Jpq13djNqf+CKqgpQikXxhk1VB7QENyGCbNdt2m:Jc1N9CKR0kfRrNcNdtt
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/yfept.exe
Files
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1115e9f35a394904eeaec5a275ac4230.rar
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yfept.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
CODE Size: 34KB - Virtual size: 34KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
DATA Size: 1024B - Virtual size: 580B
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: 2KB - Virtual size: 2KB
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: - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 10KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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