Static task
static1
Behavioral task
behavioral1
Sample
npp.7.9.1.Installer.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
npp.7.9.1.Installer.exe
Resource
win10v2004-20230220-en
General
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Target
npp.7.9.1.Installer.exe
-
Size
3.7MB
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MD5
31653c0b5a706fa6e305c5c0138c8cf1
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SHA1
c258651b95bb827ebdfeb1c5940c1139f72c5686
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SHA256
f77bbccaf7620d446884b9f05a6dbb67dc52a501531424017ac8c663dd81ec53
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SHA512
7a7b90ffe61c40ef873daf8dafc25ac2abfbc07542dcfdc1825ca1be2be8e047922a0064796caa5acf9092fcb8739c07dd43a10326b3eaff2ecbd05db5896517
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SSDEEP
98304:9vzcjndswXpa/+AMVSN9Ai96qmN8jDEEfTxZ65WtTrpmeq6:9M5tdVAKqg83pZnrceq6
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource npp.7.9.1.Installer.exe
Files
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npp.7.9.1.Installer.exe.exe windows x86
d7401947d3623a2199a2114d62923cd5
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
advapi32
CloseServiceHandle
CreateServiceA
DeleteService
OpenSCManagerA
OpenServiceA
RegCloseKey
RegCreateKeyExA
RegSetValueExA
RegisterServiceCtrlHandlerA
SetServiceStatus
StartServiceA
StartServiceCtrlDispatcherA
kernel32
ExitProcess
FindClose
FindFirstFileA
FindNextFileA
FlushFileBuffers
GetCommandLineA
GetCurrentDirectoryA
GetDriveTypeA
GetFileAttributesA
CloseHandle
GetFileTime
GetLastError
GetModuleFileNameA
GetModuleHandleA
GetProcAddress
GetStartupInfoA
GetTempPathA
GetVersionExA
GetWindowsDirectoryA
CopyFileA
InterlockedIncrement
LoadLibraryA
CreateFileA
ReadFile
ReleaseMutex
SetEndOfFile
SetFileAttributesA
SetFilePointer
SetFileTime
CreateMutexA
SetUnhandledExceptionFilter
Sleep
TlsAlloc
TlsGetValue
TlsSetValue
CreateProcessA
WaitForSingleObject
WriteFile
msvcrt
_assert
_cexit
_fileno
_fmode
_fpreset
_iob
_setmode
__getmainargs
abort
atexit
fprintf
free
__p__environ
malloc
memcpy
memset
rand
signal
srand
strcat
strcmp
strcpy
time
__set_app_type
Sections
.text Size: 30KB - Virtual size: 29KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.data Size: 1024B - Virtual size: 556B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.bss Size: - Virtual size: 548B
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 152KB - Virtual size: 152KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE