Behavioral task
behavioral1
Sample
d43400d4651373d41a826891292b08ea_JaffaCakes118.exe
Resource
win7-20240704-en
General
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Target
d43400d4651373d41a826891292b08ea_JaffaCakes118
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Size
87KB
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MD5
d43400d4651373d41a826891292b08ea
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SHA1
5dde8f2c32ac65d36c4ddd5757f182000aa3c0d6
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SHA256
160fe73996517da3a788901891ce3192a6b60fb41c4e095f991aa1f06256d934
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SHA512
1fcb5c829b072e059475e150776678b6a1935054f39deac831f7b04a1c74cc4ae606c9d7284653649ba3046f1573440a9589d9a3c4cdcd6812542dad1ec629dd
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SSDEEP
1536:w/zfrjhzLOK8lc6YOQK2+5ghcI5u9tm1B2jmyD9X5ThUkTG92J+m:w/Trjh3V61QR+mB5u9wCmC98kTp+
Malware Config
Signatures
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Patched UPX-packed file 1 IoCs
Sample is packed with UPX but required header fields are zeroed out to prevent unpacking with the default UPX tool.
resource yara_rule static1/unpack001/out.upx patched_upx -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource d43400d4651373d41a826891292b08ea_JaffaCakes118 unpack001/out.upx
Files
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d43400d4651373d41a826891292b08ea_JaffaCakes118.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: 116KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 85KB - Virtual size: 88KB
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
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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: 128KB - Virtual size: 124KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 60KB - Virtual size: 59KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.data Size: 4KB - Virtual size: 5KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE