dcrat | 7123a4a6005b41f8c8b0a2c3c2984d72[.]exe

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General

Target

7123a4a6005b41f8c8b0a2c3c2984d72.exe
Size

891KB
MD5

7123a4a6005b41f8c8b0a2c3c2984d72
SHA1

5a0012e705f955ce9a84c8da191e692cbe7c1e87
SHA256

39fb074fd0776fd0657142ff769497cff4c20e5af529c038b5c8f4cf89d69a81
SHA512

a67a8514c3279dde7bac91e03d6a25dca8893ab1d7171a0914ec91a16b75be2638e7eeeb4f2d8e8b5773421aa4cd515d512abc059943bc047f29fe89c0de01f0
SSDEEP

24576:R2G/nvxW3Whv6+OgbjAN2BJKC2XOIJiX+/Oz5:RbA3gtLb/CC2eIkuS

Score

10^/10

rat dcrat

Malware Config

Signatures

DCRat payload 1 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

resource	yara_rule
sample	dcrat

Dcrat family
dcrat

Files

7123a4a6005b41f8c8b0a2c3c2984d72.exe
.exe windows x86

fcf1390e9ce472c7270447fc5c61a0c1

Code Sign

33:00:00:01:e2:f1:7d:92:02:0e:49:f8:7f:00:00:00:00:01:e2
Certificate

Issuer

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

15/12/2020, 21:31

Not After

02/12/2021, 21:31

Subject

CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:0e:90:d2:00:00:00:00:00:03
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

08/07/2011, 20:59

Not After

08/07/2026, 21:09

Subject

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

81:d1:3e:e4:19:a2:4c:85:3b:27:01:c8:1c:c2:ee:cb:2a:94:c1:5a:05:21:7b:e4:44:c6:82:3b:cd:f3:e4:69
Signer

Actual PE Digest

81:d1:3e:e4:19:a2:4c:85:3b:27:01:c8:1c:c2:ee:cb:2a:94:c1:5a:05:21:7b:e4:44:c6:82:3b:cd:f3:e4:69

Digest Algorithm

sha256

PE Digest Matches

false

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

27/02/2023, 09:31
Valid: false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

GetLastError
SetLastError
FormatMessageW
GetCurrentProcess
DeviceIoControl
SetFileTime
CloseHandle
CreateDirectoryW
RemoveDirectoryW
CreateFileW
DeleteFileW
CreateHardLinkW
GetShortPathNameW
GetLongPathNameW
MoveFileW
GetFileType
GetStdHandle
WriteFile
ReadFile
FlushFileBuffers
SetEndOfFile
SetFilePointer
SetFileAttributesW
GetFileAttributesW
FindClose
FindFirstFileW
FindNextFileW
GetVersionExW
GetCurrentDirectoryW
GetFullPathNameW
FoldStringW
GetModuleFileNameW
GetModuleHandleW
FindResourceW
FreeLibrary
GetProcAddress
GetCurrentProcessId
ExitProcess
SetThreadExecutionState
Sleep
LoadLibraryW
GetSystemDirectoryW
CompareStringW
AllocConsole
FreeConsole
AttachConsole
WriteConsoleW
GetProcessAffinityMask
CreateThread
SetThreadPriority
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
SetEvent
ResetEvent
ReleaseSemaphore
WaitForSingleObject
CreateEventW
CreateSemaphoreW
GetSystemTime
SystemTimeToTzSpecificLocalTime
TzSpecificLocalTimeToSystemTime
SystemTimeToFileTime
FileTimeToLocalFileTime
LocalFileTimeToFileTime
FileTimeToSystemTime
GetCPInfo
IsDBCSLeadByte
MultiByteToWideChar
WideCharToMultiByte
GlobalAlloc
LockResource
GlobalLock
GlobalUnlock
GlobalFree
LoadResource
SizeofResource
SetCurrentDirectoryW
GetExitCodeProcess
GetLocalTime
GetTickCount
MapViewOfFile
UnmapViewOfFile
CreateFileMappingW
OpenFileMappingW
GetCommandLineW
SetEnvironmentVariableW
ExpandEnvironmentStringsW
GetTempPathW
MoveFileExW
GetLocaleInfoW
GetTimeFormatW
GetDateFormatW
GetNumberFormatW
SetFilePointerEx
GetConsoleMode
GetConsoleCP
HeapSize
SetStdHandle
GetProcessHeap
RaiseException
GetSystemInfo
VirtualProtect
VirtualQuery
LoadLibraryExA
IsProcessorFeaturePresent
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
QueryPerformanceCounter
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
TerminateProcess
RtlUnwind
EncodePointer
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
LoadLibraryExW
QueryPerformanceFrequency
GetModuleHandleExW
GetModuleFileNameA
GetACP
HeapFree
HeapAlloc
HeapReAlloc
GetStringTypeW
LCMapStringW
FindFirstFileExA
FindNextFileA
IsValidCodePage
GetOEMCP
GetCommandLineA
GetEnvironmentStringsW
FreeEnvironmentStringsW
DecodePointer

gdiplus

GdiplusShutdown
GdiplusStartup
GdipCreateHBITMAPFromBitmap
GdipCreateBitmapFromStreamICM
GdipCreateBitmapFromStream
GdipDisposeImage
GdipCloneImage
GdipFree
GdipAlloc

Sections

.text
Size: 196KB - Virtual size: 196KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 42KB - Virtual size: 41KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 141KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.didat
Size: 512B - Virtual size: 392B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 30KB - Virtual size: 30KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 9KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

fcf1390e9ce472c7270447fc5c61a0c1

Code Sign

33:00:00:01:e2:f1:7d:92:02:0e:49:f8:7f:00:00:00:00:01:e2Certificate

Extended Key Usages

61:0e:90:d2:00:00:00:00:00:03Certificate

Key Usages

81:d1:3e:e4:19:a2:4c:85:3b:27:01:c8:1c:c2:ee:cb:2a:94:c1:5a:05:21:7b:e4:44:c6:82:3b:cd:f3:e4:69Signer

Signature Validations

Verification

27/02/2023, 09:31 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

gdiplus

Sections

.text Size: 196KB - Virtual size: 196KB

.rdata Size: 42KB - Virtual size: 41KB

.data Size: 4KB - Virtual size: 141KB

.didat Size: 512B - Virtual size: 392B

.rsrc Size: 30KB - Virtual size: 30KB

.reloc Size: 9KB - Virtual size: 8KB

33:00:00:01:e2:f1:7d:92:02:0e:49:f8:7f:00:00:00:00:01:e2
Certificate

61:0e:90:d2:00:00:00:00:00:03
Certificate

81:d1:3e:e4:19:a2:4c:85:3b:27:01:c8:1c:c2:ee:cb:2a:94:c1:5a:05:21:7b:e4:44:c6:82:3b:cd:f3:e4:69
Signer

27/02/2023, 09:31
Valid: false

.text
Size: 196KB - Virtual size: 196KB

.rdata
Size: 42KB - Virtual size: 41KB

.data
Size: 4KB - Virtual size: 141KB

.didat
Size: 512B - Virtual size: 392B

.rsrc
Size: 30KB - Virtual size: 30KB

.reloc
Size: 9KB - Virtual size: 8KB