Behavioral task
behavioral1
Sample
R2day.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
R2day.exe
Resource
win10v2004-20240802-en
General
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Target
dccd9cba72c95bd6692d12ac78851f40_JaffaCakes118
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Size
2.1MB
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MD5
dccd9cba72c95bd6692d12ac78851f40
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SHA1
31f5c928b8b19005038f78bcac176fb6669a25f3
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SHA256
7cd1ae2db35db94a69542b3dc80b1bb2c4b575b046080924fed4c41a5810ea29
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SHA512
4cc024606050757ec8d0bc4db98371cbbfae1851d3eea9c5e4bc341fee72e42a7c263e93d9ec00b37dfacad2aa45ee4c0a39f310d539c35e85cbb07ac17108cf
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SSDEEP
49152:kBW9p0OU8m57nkSy2o0pZygpRSv70nKhp3ljn669zvsnT:2W9p0FBdy0Y70Khrjn6yzUT
Malware Config
Signatures
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resource yara_rule static1/unpack001/R2day.exe aspack_v212_v242 -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/R2day.exe
Files
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dccd9cba72c95bd6692d12ac78851f40_JaffaCakes118.rar
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R2day.exe.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
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: 135KB - Virtual size: 312KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
DATA Size: 1.9MB - Virtual size: 3.5MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
BSS Size: - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 3KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: - Virtual size: 24KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 5KB - Virtual size: 24KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.aspack Size: 15KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.adata Size: - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE