Behavioral task
behavioral1
Sample
hyfast.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
hyfast.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
˵_Readme.html
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
˵_Readme.html
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
˵.url
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
˵.url
Resource
win10v2004-20240802-en
General
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Target
e1d1339d79fa0bc070c2bf7016b9c277_JaffaCakes118
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Size
692KB
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MD5
e1d1339d79fa0bc070c2bf7016b9c277
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SHA1
85ba5c90aa0a661f58ab747837f89cece55392b0
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SHA256
ed26c12e7f01e46959184d16a2a198ffbd667ac8815c08ff01d18d50ed730fbb
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SHA512
3df3f1ad4f8ed7eabe0d13aebfa94d11b00dda8925e50234c0cf38f2719205038f8d0e5e01aceac570cec6097574b9ba3587db35c107c32612f9a266e3ea3452
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SSDEEP
12288:zkEHcl5SrSiplf3zw0sJA6KDjIYTt5It5XLvwntq/rUvXJLFcxrUj+/:gMa5SOulflsGjRtO3Xb+MDUvXV2hUK/
Malware Config
Signatures
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resource yara_rule static1/unpack001/hyfast.exe upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/hyfast.exe unpack002/out.upx
Files
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e1d1339d79fa0bc070c2bf7016b9c277_JaffaCakes118.zip
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hyfast.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: 88KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 46KB - Virtual size: 48KB
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: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: 68KB - Virtual size: 68KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 28KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 27KB - Virtual size: 26KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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˵_Readme.html.html
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װ˵.txt
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װض.htm.html .js polyglot
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˵.url.url