7z[.]dll | Triage

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General

Target

7z.dll
Size

1.1MB
MD5

0dce103b0102adec3279797665b7a4ae
SHA1

c121392bab6dba8d04bee89c6b526e8e67650cc8
SHA256

3db62076e5fcc897ff29da47fe4029900a4ad696b395b6fa96acff1229444c1d
SHA512

20f0f02097694579ac8794d56411fbe2d97c47d37794cb52afdabc9956c0452e8a3bb273ed34e463f31927e29e7e41c0fddb82fbbe688dd39c4113c00ec91bc9
SSDEEP

24576:Gxb5vMX35l5UVrIdhcMEKWnttf7eePboHvVxSfOtl:GxbSz5UVrIdhnW1Pc96Otl

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
7z.dll

Files

7z.dll
.dll windows:4 windows x86 arch:x86

6a7be52633b01426b17d148203c82793

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

Imports

oleaut32

SysAllocStringByteLen
SysAllocStringLen
SysAllocString
SysFreeString
SysStringLen
VariantCopy
VariantClear

user32

CharPrevExA
CharUpperW

msvcrt

_adjust_fdiv
_initterm
_onexit
__dllonexit
?terminate@@YAXXZ
??1type_info@@UAE@XZ
_except_handler3
_beginthreadex
exit
strchr
strcat
strcpy
memset
realloc
free
malloc
strlen
wcscmp
strcmp
strstr
_CxxThrowException
memmove
memcpy
memcmp
_purecall
__CxxFrameHandler

kernel32

InitializeCriticalSection
ReleaseSemaphore
CreateSemaphoreW
ResetEvent
SetEvent
CreateEventW
SetThreadAffinityMask
ResumeThread
WaitForSingleObject
InterlockedIncrement
IsProcessorFeaturePresent
VirtualFree
VirtualAlloc
LoadLibraryW
FreeLibrary
QueryPerformanceCounter
GetOEMCP
FileTimeToLocalFileTime
DeleteCriticalSection
GetVersionExW
LocalFileTimeToFileTime
WaitForMultipleObjects
EnterCriticalSection
LeaveCriticalSection
GetSystemTimeAsFileTime
FileTimeToDosDateTime
DosDateTimeToFileTime
GlobalMemoryStatus
GetSystemInfo
GetCurrentProcess
GetProcessAffinityMask
CompareFileTime
GetLastError
MultiByteToWideChar
WideCharToMultiByte
CloseHandle
GetProcAddress
GetModuleHandleW
GetCurrentProcessId
GetTickCount
GetCurrentThreadId
GetModuleHandleA

Exports

Exports

CreateDecoder
CreateEncoder
CreateObject
GetHandlerProperty
GetHandlerProperty2
GetHashers
GetIsArc
GetMethodProperty
GetNumberOfFormats
GetNumberOfMethods
SetCaseSensitive
SetCodecs
SetLargePageMode

Sections

.text
Size: 885KB - Virtual size: 885KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 120KB - Virtual size: 120KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1KB - Virtual size: 34KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.sxdata
Size: 512B - Virtual size: 4B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 95KB - Virtual size: 94KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 36KB - Virtual size: 36KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

6a7be52633b01426b17d148203c82793

Headers

DLL Characteristics

File Characteristics

Imports

oleaut32

user32

msvcrt

kernel32

Exports

Exports

Sections

.text Size: 885KB - Virtual size: 885KB

.rdata Size: 120KB - Virtual size: 120KB

.data Size: 1KB - Virtual size: 34KB

.sxdata Size: 512B - Virtual size: 4B

.rsrc Size: 95KB - Virtual size: 94KB

.reloc Size: 36KB - Virtual size: 36KB

.text
Size: 885KB - Virtual size: 885KB

.rdata
Size: 120KB - Virtual size: 120KB

.data
Size: 1KB - Virtual size: 34KB

.sxdata
Size: 512B - Virtual size: 4B

.rsrc
Size: 95KB - Virtual size: 94KB

.reloc
Size: 36KB - Virtual size: 36KB