Static task
static1
Behavioral task
behavioral1
Sample
efax_9057733019_pdf.scr
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
efax_9057733019_pdf.scr
Resource
win10v2004-20240802-en
General
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Target
0bde4b8e18ea2ee8ad0166fac82d6eaf_JaffaCakes118
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Size
207KB
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MD5
0bde4b8e18ea2ee8ad0166fac82d6eaf
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SHA1
9ce19224615b8abf282e586b0949a91f3e9a7d6d
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SHA256
2fd9994af61c487a552f2c432e28bf00c4205b1686754d00b398a18d1ef3cbcd
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SHA512
a57eca34c6d30e1adcf343ad5bb7890c0435db0762becce8fb9ef35a06b04126239b1b7b8a10c2f62dc7411840f64537534219c5a60a7b37e90834b897ef2eea
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SSDEEP
3072:zBrvMVHHfj9u0bgiYebsvqyssWyIqHlR/szVz91h7lBFVvbSH6W5ZGfb+BC:zp0nLE0ciYesyyZNU/1DfVTSXZiSC
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/efax_9057733019_pdf.scr
Files
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0bde4b8e18ea2ee8ad0166fac82d6eaf_JaffaCakes118.zip
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efax_9057733019_pdf.scr.exe windows:4 windows x86 arch:x86
a90fd5d9b7182cb225150bbb9185a8b3
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
Imports
kernel32
GetProcAddress
LoadLibraryA
DeleteFileA
CloseHandle
WriteFile
CreateFileA
GetTempFileNameA
SizeofResource
LockResource
LoadResource
FindResourceA
GetTempPathA
RtlUnwind
GetModuleHandleA
GetStartupInfoA
GetCommandLineA
GetVersion
ExitProcess
HeapReAlloc
HeapAlloc
TerminateProcess
GetCurrentProcess
HeapSize
GetLastError
FlushFileBuffers
SetHandleCount
GetStdHandle
GetFileType
HeapFree
UnhandledExceptionFilter
GetModuleFileNameA
FreeEnvironmentStringsA
FreeEnvironmentStringsW
WideCharToMultiByte
GetEnvironmentStrings
GetEnvironmentStringsW
GetEnvironmentVariableA
GetVersionExA
HeapDestroy
HeapCreate
VirtualFree
VirtualAlloc
IsBadWritePtr
SetStdHandle
SetFilePointer
SetUnhandledExceptionFilter
IsBadReadPtr
IsBadCodePtr
GetCPInfo
GetACP
GetOEMCP
MultiByteToWideChar
LCMapStringA
LCMapStringW
GetStringTypeA
GetStringTypeW
RaiseException
ReadFile
Sections
.text Size: 63KB - Virtual size: 63KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 7KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 13KB - Virtual size: 123KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 284KB - Virtual size: 283KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ