C-7592_738679[.]zip

Sharing

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General

Target

C-7592_738679.zip
Size

480KB
MD5

8a36ec7a78473950538e3a31b37f06e0
SHA1

86cea7428cac2d113e0c89efba9f7bc69ca32d76
SHA256

9e63a761d19ffb7ad1ec6270ec36e6583e44fdd685bc9a69c3fbf1bbf4108f1b
SHA512

a7cd862e198148223450656910b88874dd4dac4bae3966907c254cf6222a47611a22a99c5521a93db48eff8e9d2209da332bf0433a047a1c00ff3b0113325200
SSDEEP

12288:jlgI2fm8hZJxxs3yFAXT08nMif57sF8S6ApvLjclIDfs:j52fT7KCAjH55AFjvvLQlN

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/M13156474941¬U.exe

Files

C-7592_738679.zip
.zip
M13156474941¬U.exe
.exe windows x64

65d2a4768b2d3322c5409ac1e350769a

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

wininet

InternetReadFile
InternetCloseHandle
InternetOpenA
InternetOpenUrlA

kernel32

RtlPcToFileHeader
SetEndOfFile
HeapSize
CreateFileW
SetStdHandle
CreateMutexW
LCIDToLocaleName
GetLastError
GetUserDefaultLCID
CloseHandle
WideCharToMultiByte
GetComputerNameA
GetProcessHeap
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
GetCommandLineA
GetOEMCP
GetACP
IsValidCodePage
FindNextFileW
FindFirstFileExW
FindClose
MultiByteToWideChar
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
EncodePointer
DecodePointer
GetLocaleInfoEx
LCMapStringEx
GetStringTypeW
CompareStringEx
GetCPInfo
InitializeCriticalSectionAndSpinCount
SetEvent
ResetEvent
WaitForSingleObjectEx
CreateEventW
GetModuleHandleW
GetProcAddress
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
RtlUnwindEx
WriteConsoleW
RaiseException
SetLastError
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
RtlUnwind
QueryPerformanceFrequency
ExitProcess
GetModuleHandleExW
GetModuleFileNameW
GetStdHandle
WriteFile
GetFileSizeEx
SetFilePointerEx
GetFileType
HeapAlloc
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
HeapFree
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
EnumSystemLocalesW
WaitForSingleObject
GetExitCodeProcess
CreateProcessW
GetFileAttributesExW
ReadFile
ReadConsoleW
HeapReAlloc
GetTimeZoneInformation

shell32

SHCreateDirectoryExW
SHGetFolderPathA
ShellExecuteW

Sections

.text
Size: 462KB - Virtual size: 462KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 143KB - Virtual size: 142KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 8KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 17KB - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 480B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
______________________.xml
.dll regsvr32 windows x64

68d6eb7289c5d72ef33e35ea797a7722

Code Sign

33:00:00:01:b1:dd:ed:ba:54:e9:65:b8:5f:00:01:00:00:01:b1
Certificate

Issuer

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

Not Before

12/07/2018, 20:11

Not After

26/07/2019, 20:11

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

33:00:00:00:fc:a0:e2:4f:d0:dc:19:5a:3a:00:00:00:00:00:fc
Certificate

Issuer

CN=Microsoft Time-Stamp PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

23/08/2018, 20:20

Not After

23/11/2019, 20:20

Subject

CN=Microsoft Time-Stamp Service,OU=Microsoft Operations Puerto Rico+OU=Thales TSS ESN:728D-C45F-F9EB,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

61:33:26:1a:00:00:00:00:00:31
Certificate

Issuer

CN=Microsoft Root Certificate Authority,0.9.2342.19200300.100.1.25=#13096d6963726f736f6674,0.9.2342.19200300.100.1.25=#1303636f6d

Not Before

31/08/2010, 22:19

Not After

31/08/2020, 22:29

Subject

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

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

61:16:68:34:00:00:00:00:00:1c
Certificate

Issuer

CN=Microsoft Root Certificate Authority,0.9.2342.19200300.100.1.25=#13096d6963726f736f6674,0.9.2342.19200300.100.1.25=#1303636f6d

Not Before

03/04/2007, 12:53

Not After

03/04/2021, 13:03

Subject

CN=Microsoft Time-Stamp PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

33:00:00:01:03:5e:25:1c:99:1f:a3:1e:b8:00:00:00:00:01:03
Certificate

Issuer

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

Not Before

12/07/2018, 20:08

Not After

26/07/2019, 20:08

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

e4:45:61:68:64:9f:8f:bb:2e:95:0c:75:e3:57:5b:af:45:6e:c7:50:d4:5a:14:8c:8b:2b:df:41:ce:a0:7d:16
Signer

Actual PE Digest

e4:45:61:68:64:9f:8f:bb:2e:95:0c:75:e3:57:5b:af:45:6e:c7:50:d4:5a:14:8c:8b:2b:df:41:ce:a0:7d:16

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

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

03/05/2023, 12:08
Valid: false

42:96:a7:12:c6:d2:f1:ed:4f:11:79:12:ba:49:c6:9e:e4:69:03:51
Signer

Actual PE Digest

42:96:a7:12:c6:d2:f1:ed:4f:11:79:12:ba:49:c6:9e:e4:69:03:51

Digest Algorithm

sha1

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

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

25/03/2019, 23:06
Valid: false

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

kernel32

DisableThreadLibraryCalls
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
TerminateProcess

rpcrt4

CStdStubBuffer_Connect
CStdStubBuffer_IsIIDSupported
NdrCStdStubBuffer2_Release
IUnknown_QueryInterface_Proxy
CStdStubBuffer_Disconnect
CStdStubBuffer_DebugServerRelease
NdrOleAllocate
CStdStubBuffer_QueryInterface
CStdStubBuffer_CountRefs
NdrDllUnregisterProxy
IUnknown_Release_Proxy
CStdStubBuffer_AddRef
NdrOleFree
CStdStubBuffer_DebugServerQueryInterface
IUnknown_AddRef_Proxy
NdrStubCall2
NdrStubForwardingFunction
CStdStubBuffer_Invoke
NdrCStdStubBuffer_Release
NdrDllCanUnloadNow
NdrDllGetClassObject
NdrDllRegisterProxy

ole32

HBITMAP_UserFree
CLIPFORMAT_UserFree
HWND_UserMarshal
CLIPFORMAT_UserMarshal
HBITMAP_UserUnmarshal
CLIPFORMAT_UserSize
HWND_UserSize
HBITMAP_UserMarshal
STGMEDIUM_UserSize
HWND_UserFree
HWND_UserUnmarshal
HBITMAP_UserSize
STGMEDIUM_UserFree
STGMEDIUM_UserMarshal
CLIPFORMAT_UserUnmarshal
STGMEDIUM_UserUnmarshal

oleaut32

BSTR_UserMarshal
VARIANT_UserMarshal
BSTR_UserSize
BSTR_UserFree
VARIANT_UserFree
VARIANT_UserUnmarshal
VARIANT_UserSize
BSTR_UserUnmarshal

vcruntime140

memcmp

Exports

Exports

DllCanUnloadNow
DllGetClassObject
DllRegisterServer
DllUnregisterServer

Sections

.text
Size: 1024B - Virtual size: 895B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.orpc
Size: 512B - Virtual size: 409B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 100KB - Virtual size: 100KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 17KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 512B - Virtual size: 48B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 992B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 10KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

65d2a4768b2d3322c5409ac1e350769a

Headers

DLL Characteristics

File Characteristics

Imports

wininet

kernel32

shell32

Sections

.text Size: 462KB - Virtual size: 462KB

.rdata Size: 143KB - Virtual size: 142KB

.data Size: 8KB - Virtual size: 19KB

.pdata Size: 17KB - Virtual size: 17KB

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 512B - Virtual size: 480B

.reloc Size: 3KB - Virtual size: 3KB

68d6eb7289c5d72ef33e35ea797a7722

Code Sign

33:00:00:01:b1:dd:ed:ba:54:e9:65:b8:5f:00:01:00:00:01:b1Certificate

Extended Key Usages

33:00:00:00:fc:a0:e2:4f:d0:dc:19:5a:3a:00:00:00:00:00:fcCertificate

Extended Key Usages

61:33:26:1a:00:00:00:00:00:31Certificate

Key Usages

61:16:68:34:00:00:00:00:00:1cCertificate

Extended Key Usages

Key Usages

33:00:00:01:03:5e:25:1c:99:1f:a3:1e:b8:00:00:00:00:01:03Certificate

Extended Key Usages

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

Key Usages

e4:45:61:68:64:9f:8f:bb:2e:95:0c:75:e3:57:5b:af:45:6e:c7:50:d4:5a:14:8c:8b:2b:df:41:ce:a0:7d:16Signer

Signature Validations

Verification

03/05/2023, 12:08 Valid: false

42:96:a7:12:c6:d2:f1:ed:4f:11:79:12:ba:49:c6:9e:e4:69:03:51Signer

Signature Validations

Verification

25/03/2019, 23:06 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

rpcrt4

ole32

oleaut32

vcruntime140

Exports

Exports

Sections

.text Size: 1024B - Virtual size: 895B

.orpc Size: 512B - Virtual size: 409B

.rdata Size: 100KB - Virtual size: 100KB

.data Size: 17KB - Virtual size: 18KB

.pdata Size: 512B - Virtual size: 48B

.rsrc Size: 1024B - Virtual size: 992B

.reloc Size: 10KB - Virtual size: 10KB

.text
Size: 462KB - Virtual size: 462KB

.rdata
Size: 143KB - Virtual size: 142KB

.data
Size: 8KB - Virtual size: 19KB

.pdata
Size: 17KB - Virtual size: 17KB

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 512B - Virtual size: 480B

.reloc
Size: 3KB - Virtual size: 3KB

33:00:00:01:b1:dd:ed:ba:54:e9:65:b8:5f:00:01:00:00:01:b1
Certificate

33:00:00:00:fc:a0:e2:4f:d0:dc:19:5a:3a:00:00:00:00:00:fc
Certificate

61:33:26:1a:00:00:00:00:00:31
Certificate

61:16:68:34:00:00:00:00:00:1c
Certificate

33:00:00:01:03:5e:25:1c:99:1f:a3:1e:b8:00:00:00:00:01:03
Certificate

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

e4:45:61:68:64:9f:8f:bb:2e:95:0c:75:e3:57:5b:af:45:6e:c7:50:d4:5a:14:8c:8b:2b:df:41:ce:a0:7d:16
Signer

03/05/2023, 12:08
Valid: false

42:96:a7:12:c6:d2:f1:ed:4f:11:79:12:ba:49:c6:9e:e4:69:03:51
Signer

25/03/2019, 23:06
Valid: false

.text
Size: 1024B - Virtual size: 895B

.orpc
Size: 512B - Virtual size: 409B

.rdata
Size: 100KB - Virtual size: 100KB

.data
Size: 17KB - Virtual size: 18KB

.pdata
Size: 512B - Virtual size: 48B

.rsrc
Size: 1024B - Virtual size: 992B

.reloc
Size: 10KB - Virtual size: 10KB