General

Malware Config

Signatures

Files

• knowSoDay.rtf

  .dll regsvr32 windows x86

  542759eb26a6d2621a39e0d035549967

  
  

  Code Sign

  47:28:18:9f:a0:f5:77:93:48:4c:df:76:4f:5e:28:3d

  Certificate

  Issuer

  CN=Sectigo Public Code Signing CA R36,O=Sectigo Limited,C=GB

  Not Before

  15-03-2022 00:00

  Not After

  15-03-2023 23:59

  Subject

  CN=Power Save Systems s.r.o.,O=Power Save Systems s.r.o.,ST=Plzeňský kraj,C=CZ

  Extended Key Usages

  ExtKeyUsageCodeSigning

  Key Usages

  KeyUsageDigitalSignature

  01

  Certificate

  Issuer

  CN=AAA Certificate Services,O=Comodo CA Limited,L=Salford,ST=Greater Manchester,C=GB

  Not Before

  01-01-2004 00:00

  Not After

  31-12-2028 23:59

  Subject

  CN=AAA Certificate Services,O=Comodo CA Limited,L=Salford,ST=Greater Manchester,C=GB

  Key Usages

  KeyUsageCertSign

  KeyUsageCRLSign

  48:fc:93:b4:60:55:94:8d:36:a7:c9:8a:89:d6:94:16

  Certificate

  Issuer

  CN=AAA Certificate Services,O=Comodo CA Limited,L=Salford,ST=Greater Manchester,C=GB

  Not Before

  25-05-2021 00:00

  Not After

  31-12-2028 23:59

  Subject

  CN=Sectigo Public Code Signing Root R46,O=Sectigo Limited,C=GB

  Extended Key Usages

  ExtKeyUsageCodeSigning

  Key Usages

  KeyUsageDigitalSignature

  KeyUsageCertSign

  KeyUsageCRLSign

  62:1d:6d:0c:52:01:9e:3b:90:79:15:20:89:21:1c:0a

  Certificate

  Issuer

  CN=Sectigo Public Code Signing Root R46,O=Sectigo Limited,C=GB

  Not Before

  22-03-2021 00:00

  Not After

  21-03-2036 23:59

  Subject

  CN=Sectigo Public Code Signing CA R36,O=Sectigo Limited,C=GB

  Extended Key Usages

  ExtKeyUsageCodeSigning

  Key Usages

  KeyUsageDigitalSignature

  KeyUsageCertSign

  KeyUsageCRLSign

  4e:d4:0c:76:64:c8:96:7d:96:23:ac:38:f9:9d:d0:63:29:de:b4:65

  Signer

  Actual PE Digest

  4e:d4:0c:76:64:c8:96:7d:96:23:ac:38:f9:9d:d0:63:29:de:b4:65

  Digest Algorithm

  sha1

  PE Digest Matches

  true

  Signature Validations

  Trusted

  true

  Verification

  Signing Certificate

  CN=Power Save Systems s.r.o.,O=Power Save Systems s.r.o.,ST=Plzeňský kraj,C=CZ

  23-06-2022 17:33

  Valid: true

  Chain 1

  CN=Power Save Systems s.r.o.,O=Power Save Systems s.r.o.,ST=Plzeňský kraj,C=CZ

  CN=Sectigo Public Code Signing CA R36,O=Sectigo Limited,C=GB

  CN=Sectigo Public Code Signing Root R46,O=Sectigo Limited,C=GB

  CN=AAA Certificate Services,O=Comodo CA Limited,L=Salford,ST=Greater Manchester,C=GB

  Headers

  DLL Characteristics

  IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE

  File Characteristics

  IMAGE_FILE_EXECUTABLE_IMAGE

  IMAGE_FILE_32BIT_MACHINE

  Imports

  kernel32

  CreateFileA

  FindFirstFileA

  FindNextFileA

  GetFileType

  SetFileAttributesA

  SetFilePointer

  CloseHandle

  PeekNamedPipe

  HeapAlloc

  HeapFree

  GetProcessHeap

  ExitProcess

  VirtualAlloc

  MapViewOfFile

  UnmapViewOfFile

  GetProcAddress

  CreateFileMappingA

  LoadLibraryA

  CreateNamedPipeA

  GetCurrentActCtx

  QueryPerformanceCounter

  GetCurrentProcessId

  GetCurrentThreadId

  GetSystemTimeAsFileTime

  InitializeSListHead

  IsDebuggerPresent

  UnhandledExceptionFilter

  SetUnhandledExceptionFilter

  GetStartupInfoW

  IsProcessorFeaturePresent

  GetModuleHandleW

  GetCurrentProcess

  TerminateProcess

  InterlockedFlushSList

  RtlUnwind

  GetLastError

  SetLastError

  EnterCriticalSection

  LeaveCriticalSection

  DeleteCriticalSection

  InitializeCriticalSectionAndSpinCount

  TlsAlloc

  TlsGetValue

  TlsSetValue

  TlsFree

  FreeLibrary

  LoadLibraryExW

  GetModuleHandleExW

  GetModuleFileNameA

  MultiByteToWideChar

  WideCharToMultiByte

  LCMapStringW

  FindClose

  FindFirstFileExA

  IsValidCodePage

  GetACP

  GetOEMCP

  GetCPInfo

  GetCommandLineA

  GetCommandLineW

  GetEnvironmentStringsW

  FreeEnvironmentStringsW

  GetStdHandle

  GetStringTypeW

  HeapSize

  HeapReAlloc

  SetStdHandle

  WriteFile

  FlushFileBuffers

  GetConsoleCP

  GetConsoleMode

  SetFilePointerEx

  WriteConsoleW

  DecodePointer

  CreateFileW

  RaiseException

  Exports

  Exports

  DFXqm1889

  DllInstall

  DllRegisterServer

  JYnV8U

  NkzKT1Y8

  SIHW052T

  TzK86601

  Sections

  .text

  Size: 92KB - Virtual size: 91KB

  IMAGE_SCN_CNT_CODE

  IMAGE_SCN_MEM_EXECUTE

  IMAGE_SCN_MEM_READ

  .rdata

  Size: 201KB - Virtual size: 200KB

  IMAGE_SCN_CNT_INITIALIZED_DATA

  IMAGE_SCN_MEM_READ

  .data

  Size: 71KB - Virtual size: 73KB

  IMAGE_SCN_CNT_INITIALIZED_DATA

  IMAGE_SCN_MEM_READ

  IMAGE_SCN_MEM_WRITE

  .gfids

  Size: 512B - Virtual size: 160B

  IMAGE_SCN_CNT_INITIALIZED_DATA

  IMAGE_SCN_MEM_READ

  .reloc

  Size: 4KB - Virtual size: 4KB

  IMAGE_SCN_CNT_INITIALIZED_DATA

  IMAGE_SCN_MEM_DISCARDABLE

  IMAGE_SCN_MEM_READ