Behavioral task
behavioral1
Sample
readme.exe
Resource
win7-20240903-en
General
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Target
55acbe4ac696d2771f6a6da6d957ed02_JaffaCakes118
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Size
28KB
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MD5
55acbe4ac696d2771f6a6da6d957ed02
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SHA1
4cb1879e3c0eeb1536724a7416b8a812497a205e
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SHA256
a3daebf3ab3c7743ee72ee5698e3de63da123c19e43539c60a0a936b85ec890e
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SHA512
aa2aa615e67de03cf246d8ec96447ac7089c291da29880e44267a46f940df633ec43b6b9632afa6be435216233d3b481fb8ac6988af7ad0323f65200e56f90bc
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SSDEEP
768:n2rALJcT8Tzt7meg3obYdH4PyPUVEEj3w:n2MFcT2TLUj
Malware Config
Signatures
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resource yara_rule static1/unpack001/readme.exe upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/readme.exe unpack002/out.upx
Files
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55acbe4ac696d2771f6a6da6d957ed02_JaffaCakes118.rar
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readme.exe.exe windows:8 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: 196KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 28KB - Virtual size: 28KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:8 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: 5KB - Virtual size: 5KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 5KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 193KB - Virtual size: 193KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 2KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ