Static task
static1
Behavioral task
behavioral1
Sample
2024-06-24_3d9e5b7eda48001509655319a0448477_mbrlock_nymaim_xiaoba.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
2024-06-24_3d9e5b7eda48001509655319a0448477_mbrlock_nymaim_xiaoba.exe
Resource
win10v2004-20240611-en
General
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Target
2024-06-24_3d9e5b7eda48001509655319a0448477_mbrlock_nymaim_xiaoba
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Size
987KB
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MD5
3d9e5b7eda48001509655319a0448477
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SHA1
324e9d8f5e07267b4bd2b9b16a5fa319b39ea57d
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SHA256
653df92bf63b1a100494a73f66120dc74ed50e445d81d34778898e17f0161c62
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SHA512
d9dc6aa5efaf0a94e894a96e16b6b0cd6762ed7dc005d6b85362e3af9f5606c325ca0997fd767171f0c88625a89c0c55499943af57a5cba9405376f37c89e191
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SSDEEP
24576:qhRTZiUyt3RFSvnfV7ZXG1lFtzuOXr4YyjU/JnEK1vHCsBn:qhRIFHCnBtOLzB74aRnb1Vn
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-06-24_3d9e5b7eda48001509655319a0448477_mbrlock_nymaim_xiaoba
Files
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2024-06-24_3d9e5b7eda48001509655319a0448477_mbrlock_nymaim_xiaoba.exe windows:4 windows x86 arch:x86
9165ea3e914e03bda3346f13edbd6ccd
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
CloseHandle
WriteFile
CreateDirectoryA
GetTempPathA
ReadFile
SetFilePointer
CreateFileA
GetModuleFileNameA
GetStringTypeA
LCMapStringW
LCMapStringA
HeapAlloc
HeapFree
GetModuleHandleA
GetStartupInfoA
GetCommandLineA
GetVersion
ExitProcess
HeapDestroy
HeapCreate
VirtualFree
VirtualAlloc
HeapReAlloc
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
FreeEnvironmentStringsA
FreeEnvironmentStringsW
WideCharToMultiByte
GetEnvironmentStrings
GetEnvironmentStringsW
SetHandleCount
GetStdHandle
GetFileType
RtlUnwind
GetCPInfo
GetACP
GetOEMCP
MultiByteToWideChar
GetStringTypeW
user32
MessageBoxA
wsprintfA
Sections
.text Size: 20KB - Virtual size: 19KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 8KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.data Size: 140KB - Virtual size: 140KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ