Behavioral task
behavioral1
Sample
SAMPLE~1.lnk
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
SAMPLE~1.lnk
Resource
win10v2004-20240412-en
Behavioral task
behavioral3
Sample
k31.exe
Resource
win7-20240220-en
Behavioral task
behavioral4
Sample
k31.exe
Resource
win10v2004-20240412-en
General
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Target
f1f14c97455324a3e68f3fe6372a3ab3_JaffaCakes118
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Size
64KB
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MD5
f1f14c97455324a3e68f3fe6372a3ab3
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SHA1
3ecb15cdb4a31a7e7c1439fc91ac8974adf334fd
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SHA256
003c47372e976441971b5d21930f54fca0abecb30ea35e9f1c5d30c2e0cdd3be
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SHA512
12fb753ce271dc734029cf2542096670442104b44b799b08a633f03c78d550356350e1d2c0df4f990bea25b8cea55472b7f0e098f3daf3e26dfb6f7461cf72f2
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SSDEEP
768:gbbAdSRehbeIZzfg+hxJ7hMimTDqkkNOEvyb62Bfwc2LmPMgKUPsgCkJ73ZTQWlM:YYhFzf9b+dSk5BXBSadR1J7VQt
Malware Config
Signatures
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resource yara_rule static1/unpack001/k31.exe upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/k31.exe unpack002/out.upx
Files
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f1f14c97455324a3e68f3fe6372a3ab3_JaffaCakes118.cab
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SAMPLE~1.LNK.lnk
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k31.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: 40KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 3KB - 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: 36KB - Virtual size: 33KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ