Static task
static1
Behavioral task
behavioral1
Sample
day.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
day.exe
Resource
win10v2004-20240419-en
General
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Target
day.exe
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Size
51KB
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MD5
c3d29be392b5e95f29ff57c41acff1ce
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SHA1
837e3dcb9f599720967d22614f525f9fc6ff4db4
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SHA256
db001c706193f69e97eef1d6217f050b9f4ddf4781c802f3c990464a107b1db2
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SHA512
a853cfc205f963fe1b1fb1546c6c608687874953d5abb742f7f0095bfcfe675bfa7ac1d958db7d3f25ed2501192f24745ac1e301ccf8351e747d60db43a5b6ae
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SSDEEP
768:2LXQsgNDEGR1PL9ato3eipislf0JcJt4o6zkbe6JEPXnIi:M1gNnR1PL9YoOIlfOcJt4XAGPXIi
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource day.exe
Files
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day.exe.exe windows:4 windows x86 arch:x86
1a3d8c3f39a0e02fe506a5bee2936643
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
pbvm115
ord67
kernel32
VirtualFree
GetSystemInfo
VirtualProtect
GetLocaleInfoA
GetStringTypeW
GetCommandLineW
GetModuleHandleA
GetStartupInfoA
GetCommandLineA
GetVersionExA
ExitProcess
GetProcAddress
TerminateProcess
GetCurrentProcess
WriteFile
GetStdHandle
GetModuleFileNameA
UnhandledExceptionFilter
FreeEnvironmentStringsA
GetEnvironmentStrings
FreeEnvironmentStringsW
WideCharToMultiByte
GetLastError
GetEnvironmentStringsW
SetHandleCount
GetFileType
HeapDestroy
HeapCreate
HeapFree
LoadLibraryA
GetACP
GetOEMCP
GetCPInfo
HeapAlloc
VirtualAlloc
HeapReAlloc
RtlUnwind
InterlockedExchange
VirtualQuery
HeapSize
QueryPerformanceCounter
GetTickCount
GetCurrentThreadId
GetCurrentProcessId
GetSystemTimeAsFileTime
LCMapStringA
MultiByteToWideChar
LCMapStringW
GetStringTypeA
Sections
.text Size: 15KB - Virtual size: 15KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 2KB - Virtual size:
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ