7-zip[.]dll | Triage

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General

Target

7-zip.dll
Size

76KB
MD5

1193cbe87e8c399b0d52c6789ad560ed
SHA1

39b0cfa96f37f943aa7c993d2199bb590efbc14b
SHA256

d7104b8ca24d8bd9bf42675418e7a807ffc738d25d20b613e25c274672b2d530
SHA512

989841e2265d676c17e8474b4aff65b37846030433243c6bceac957368e009a7538740535c78cb09b55dee65da6908ae245ce7cdb4386b0b1d8421609a6cef7f
SSDEEP

1536:dHQxId3XsBBBBBRR5H3GLBqiBVclOmNbGvFo2WH7D2l+8:dww38BBBBBRRhiBqiBVczGvA7D2l+8

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
7-zip.dll

Files

7-zip.dll
.dll regsvr32 windows x64

b0700fbb096cffaf79b6267e2cc0276b

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

Imports

gdi32

DeleteObject

ole32

ReleaseStgMedium

user32

LoadStringW
InsertMenuItemW
CharUpperW
LoadBitmapW
CreatePopupMenu
MessageBoxW
DestroyMenu

advapi32

RegOpenKeyExW
RegCreateKeyExW
RegQueryValueExW
RegSetValueExW
RegDeleteValueW
RegDeleteKeyW
RegCloseKey

shell32

DragQueryFileW
SHGetPathFromIDListW
DragFinish

msvcrt

memcpy
__CxxFrameHandler
memmove
wcscmp
_CxxThrowException
wcsstr
malloc
free
srand
rand
memset
memcmp
__C_specific_handler
??1type_info@@UEAA@XZ
__dllonexit
_onexit
_initterm
?terminate@@YAXXZ

kernel32

GetSystemDefaultLangID
GetUserDefaultLangID
GlobalUnlock
GlobalLock
LeaveCriticalSection
EnterCriticalSection
DeleteCriticalSection
WaitForMultipleObjects
WaitForSingleObject
UnmapViewOfFile
MapViewOfFile
CreateFileMappingW
lstrlenW
CreateProcessW
GetCurrentProcess
ReadFile
InitializeCriticalSection
Sleep
QueryPerformanceCounter
GetSystemTimeAsFileTime
TerminateProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
CreateEventW
GetFileSize
GetFileAttributesW
GetModuleHandleA
FindFirstFileW
FindClose
GetCurrentThreadId
GetCurrentProcessId
SetLastError
GetCurrentDirectoryW
GetModuleHandleW
GetProcAddress
CreateFileW
CloseHandle
RtlCaptureContext
FormatMessageW
GetTickCount
GetLastError
MultiByteToWideChar
WideCharToMultiByte
GetModuleFileNameW
LocalFree

Exports

Exports

DllCanUnloadNow
DllGetClassObject
DllRegisterServer
DllUnregisterServer

Sections

.text
Size: 45KB - Virtual size: 44KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 22KB - Virtual size: 21KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 1KB

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

.rsrc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 484B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

b0700fbb096cffaf79b6267e2cc0276b

Headers

DLL Characteristics

File Characteristics

Imports

gdi32

ole32

user32

advapi32

shell32

msvcrt

kernel32

Exports

Exports

Sections

.text Size: 45KB - Virtual size: 44KB

.rdata Size: 22KB - Virtual size: 21KB

.data Size: 512B - Virtual size: 1KB

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

.rsrc Size: 2KB - Virtual size: 1KB

.reloc Size: 512B - Virtual size: 484B

.text
Size: 45KB - Virtual size: 44KB

.rdata
Size: 22KB - Virtual size: 21KB

.data
Size: 512B - Virtual size: 1KB

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

.rsrc
Size: 2KB - Virtual size: 1KB

.reloc
Size: 512B - Virtual size: 484B