5b3f77972c7cd3ebae7ab0b381e401e2851a00ec84a88cc847a65e823cdf72d8_JC[.]zip

Sharing

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General

Target

5b3f77972c7cd3ebae7ab0b381e401e2851a00ec84a88cc847a65e823cdf72d8_JC.zip
Size

519KB
MD5

a61b338118ae9dde86084d0b03235f68
SHA1

9b5046737e08941f5ba21a55a7f2190a39d0380b
SHA256

5b3f77972c7cd3ebae7ab0b381e401e2851a00ec84a88cc847a65e823cdf72d8
SHA512

928504cfbf27f5609623640ad4a26096ea0e31b42ab0b7b856315aa9712b8d06628dd4f3d8e2266b6a96a1a8eb2d9ad511ecd25e7850c189eb45d130ed6dee8e
SSDEEP

6144:QytHQnzpkqD3gyitnoFPrqBvAtcdL/L+20f5BnmKt8ZY2:QnzmqDQHGFPrPtclg5JmLZY2

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/payload.dll

Files

5b3f77972c7cd3ebae7ab0b381e401e2851a00ec84a88cc847a65e823cdf72d8_JC.zip
.zip
payload.bin
payload.dll
.dll regsvr32 windows:6 windows x64

d45fa4ea2b474b6d8a0006b8218a9056

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL

Imports

ntdll

NtWriteFile
NtReadVirtualMemory
RtlNtStatusToDosError
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
NtWaitForSingleObject
NtCreateThreadEx
NtProtectVirtualMemory
NtWriteVirtualMemory
NtAllocateVirtualMemory

kernel32

IsDebuggerPresent
DisableThreadLibraryCalls
GetCurrentThreadId
UnhandledExceptionFilter
InitializeSListHead
SetUnhandledExceptionFilter
GetSystemTimeAsFileTime
GetConsoleWindow
CreateProcessA
WriteProcessMemory
CreateFileW
CreateFileMappingW
CloseHandle
MapViewOfFile
UnmapViewOfFile
GetCurrentProcess
GetProcAddress
GetCurrentThread
ReleaseSRWLockExclusive
ReleaseMutex
ReleaseSRWLockShared
GetLastError
AcquireSRWLockExclusive
SetLastError
GetCurrentDirectoryW
GetEnvironmentVariableW
GetStdHandle
GetCurrentProcessId
WaitForSingleObject
TryAcquireSRWLockExclusive
QueryPerformanceCounter
HeapAlloc
GetProcessHeap
HeapFree
HeapReAlloc
AcquireSRWLockShared
WaitForSingleObjectEx
LoadLibraryA
CreateMutexA
GetModuleHandleA
IsProcessorFeaturePresent
GetConsoleMode
GetModuleHandleW
FormatMessageW
ExitProcess
MultiByteToWideChar
WriteConsoleW
TlsGetValue
TlsSetValue

psapi

GetModuleBaseNameW
EnumProcessModulesEx

user32

ShowWindow
SetWindowPos

vcruntime140

__C_specific_handler
_CxxThrowException
__CxxFrameHandler3
memset
__std_type_info_destroy_list
memcmp
memmove
memcpy

api-ms-win-crt-runtime-l1-1-0

_cexit
_initialize_onexit_table
_initterm
_initterm_e
_seh_filter_dll
_execute_onexit_table
_initialize_narrow_environment
_configure_narrow_argv

api-ms-win-crt-heap-l1-1-0

free

Exports

Exports

DllGetClassObject
DllRegisterServer
DllUnregisterServer
Run

Sections

.text
Size: 125KB - Virtual size: 124KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 145KB - Virtual size: 145KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 776B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

d45fa4ea2b474b6d8a0006b8218a9056

Headers

DLL Characteristics

File Characteristics

Imports

ntdll

kernel32

psapi

user32

vcruntime140

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-heap-l1-1-0

Exports

Exports

Sections

.text Size: 125KB - Virtual size: 124KB

.rdata Size: 145KB - Virtual size: 145KB

.data Size: 512B - Virtual size: 776B

.pdata Size: 5KB - Virtual size: 4KB

.reloc Size: 1KB - Virtual size: 1KB

.text
Size: 125KB - Virtual size: 124KB

.rdata
Size: 145KB - Virtual size: 145KB

.data
Size: 512B - Virtual size: 776B

.pdata
Size: 5KB - Virtual size: 4KB

.reloc
Size: 1KB - Virtual size: 1KB