Static task
static1
Behavioral task
behavioral1
Sample
ykjz.dll
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
ykjz.dll
Resource
win10v2004-20240704-en
General
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Target
689fd4d106e8e65e8dec1c504dd0329a_JaffaCakes118
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Size
857KB
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MD5
689fd4d106e8e65e8dec1c504dd0329a
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SHA1
6266e63a72d90a45e92d46cb71c0d592da2b92b6
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SHA256
95f3c13215b0e0fe47a31cdf1531f95f59bba5be9ccfdb1e2454a66859cf6faa
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SHA512
6dc9ca5611f74f195b6c77dfda19d86f599ef18239db428091031589ff731eefeba3ff13ec9c7007b3037f6b9a3f53b669ecb6d7d82c9768a8a0c7a530ce7f8a
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SSDEEP
24576:GnfyWWJeOmySU15vGVdrANzuKPp9lC2GA:Qf6YOmz8vGVdcNzppS2L
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/ykjz.dll
Files
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689fd4d106e8e65e8dec1c504dd0329a_JaffaCakes118.7z
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ykjz.dll.dll windows:5 windows x86 arch:x86
7de3edcda75043ff78dcaa49d35513c1
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL
Imports
kernel32 kernel32
Beep �
Sections
Size: 1.0MB - Virtual size: 1.0MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Size: 373KB - Virtual size: 376KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Size: 13KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Size: 3KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ