3ac27b68897da502e3ffd45c27e764b6d9c884fab2d41e158c1c9873079fefd8_JC[.]zip

Sharing

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General

Target

3ac27b68897da502e3ffd45c27e764b6d9c884fab2d41e158c1c9873079fefd8_JC.zip
Size

166KB
MD5

4a8697e11a234770bbad91887ba75f2d
SHA1

d053ebedaf54df6e6850fcab7e4ed963a0557c24
SHA256

3ac27b68897da502e3ffd45c27e764b6d9c884fab2d41e158c1c9873079fefd8
SHA512

f429628e25700a08fcc50e440557ee394b4c7aef41067645a429994e920458274b0d13c6c4465080fa16c00f1ae562bc51c75ccc903bba95d0a3552061f51dee
SSDEEP

3072:9WBXst4zIveGO2c+XYU2XHFdidbMrveN2RBF44iF08v1MbyqXLk3sr:Y64cv22c2YU2XQboveNaFf+HSyM

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/payload.dll

Files

3ac27b68897da502e3ffd45c27e764b6d9c884fab2d41e158c1c9873079fefd8_JC.zip
.zip
payload.dll
.dll regsvr32 windows x64

ae9bee30dc1f7d15ed935d0e9d66e3cc

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

RtlNtStatusToDosError
NtWriteFile
NtReadVirtualMemory
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
ReleaseSRWLockExclusive
ReleaseMutex
ReleaseSRWLockShared
GetLastError
AcquireSRWLockExclusive
GetCurrentThread
SetLastError
GetCurrentDirectoryW
GetEnvironmentVariableW
GetStdHandle
GetCurrentProcessId
WaitForSingleObject
TryAcquireSRWLockExclusive
QueryPerformanceCounter
HeapAlloc
GetProcessHeap
HeapFree
HeapReAlloc
AcquireSRWLockShared
WaitForSingleObjectEx
LoadLibraryA
CreateMutexA
GetModuleHandleA
GetConsoleMode
IsProcessorFeaturePresent
GetModuleHandleW
FormatMessageW
ExitProcess
MultiByteToWideChar
WriteConsoleW
TlsGetValue
TlsSetValue

psapi

GetModuleBaseNameW
EnumProcessModulesEx

user32

ShowWindow
SetWindowPos

vcruntime140

__CxxFrameHandler3
memcmp
__std_type_info_destroy_list
memmove
_CxxThrowException
__C_specific_handler
memset
memcpy

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

_cexit
_execute_onexit_table
_initterm
_initterm_e
_seh_filter_dll
_configure_narrow_argv
_initialize_narrow_environment
_initialize_onexit_table

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

free

Exports

Exports

DllGetClassObject
DllRegisterServer
DllUnregisterServer
Run

Sections

.text
Size: 127KB - Virtual size: 127KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 149KB - Virtual size: 149KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 760B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

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

ae9bee30dc1f7d15ed935d0e9d66e3cc

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: 127KB - Virtual size: 127KB

.rdata Size: 149KB - Virtual size: 149KB

.data Size: 512B - Virtual size: 760B

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

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

.text
Size: 127KB - Virtual size: 127KB

.rdata
Size: 149KB - Virtual size: 149KB

.data
Size: 512B - Virtual size: 760B

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

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