Ransomware-Maker[.]cs[.]zip

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General

Target

Ransomware-Maker.cs.zip
Size

455KB
MD5

03039bee088196b3c46134e888cee3c0
SHA1

3fd9b5fb1a05adb6e57642e0a76dd7a669b8598e
SHA256

9bb588b130ff65c2625be1c993b1c47be61071bf671d2222b04091601f65ec87
SHA512

df2a69a8f41a693b3799cab69eff6c45e58191cf83b3aa2edd2bbc1753fa247141e1e8a8fc141ff503bd35cfe325fbe26b81a78a732f41fa59e23a1a865cd371
SSDEEP

12288:zr4bI9kzYPBLLyI4YUGIvNt8tgkzYttIgBbxcWG4oLSeW1/htl0dy:zoIeYByVQY/BF+LchHGy

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/Ransomware-Maker.cs.exe

Files

Ransomware-Maker.cs.zip
.zip
Ransomware-Maker.cs.deps.json
Ransomware-Maker.cs.dll
.exe .ps1 windows:4 windows x64
Ransomware-Maker.cs.exe
.exe windows:6 windows x64

6dbf27f4c70fe2c8ed3e0122ba75d641

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
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_LARGE_ADDRESS_AWARE

Imports

kernel32

FindNextFileW
GetCurrentProcess
GetModuleHandleExW
GetModuleFileNameW
LeaveCriticalSection
InitializeCriticalSection
GetEnvironmentVariableW
FindClose
MultiByteToWideChar
GetLastError
GetFileAttributesExW
GetFullPathNameW
GetProcAddress
DeleteCriticalSection
WideCharToMultiByte
IsWow64Process
LoadLibraryExW
FreeLibrary
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
EnterCriticalSection
FindFirstFileExW
OutputDebugStringW
LoadLibraryA
GetModuleHandleW
InitializeCriticalSectionAndSpinCount
SetLastError
RaiseException
RtlPcToFileHeader
RtlUnwindEx
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
IsDebuggerPresent
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
LCMapStringEx
DecodePointer
EncodePointer
InitializeCriticalSectionEx
GetStringTypeW

user32

MessageBoxW

shell32

ShellExecuteW

advapi32

RegOpenKeyExW
RegGetValueW
DeregisterEventSource
RegisterEventSourceW
ReportEventW
RegCloseKey

api-ms-win-crt-runtime-l1-1-0

_exit
__p___argc
_initterm_e
_initterm
_get_initial_wide_environment
_invalid_parameter_noinfo_noreturn
_initialize_wide_environment
_configure_wide_argv
_initialize_onexit_table
_set_app_type
__p___wargv
_seh_filter_exe
_register_onexit_function
_cexit
terminate
_errno
exit
abort
_crt_atexit
_c_exit
_register_thread_local_exe_atexit_callback

api-ms-win-crt-stdio-l1-1-0

setvbuf
fflush
_wfopen
__stdio_common_vswprintf
__stdio_common_vfwprintf
_set_fmode
__stdio_common_vsprintf_s
__acrt_iob_func
fputwc
fputws
__p__commode

api-ms-win-crt-heap-l1-1-0

_set_new_mode
_callnewh
free
malloc
calloc

api-ms-win-crt-string-l1-1-0

wcsnlen
strcpy_s
_wcsdup
strcspn
wcsncmp
toupper

api-ms-win-crt-convert-l1-1-0

_wtoi
wcstoul

api-ms-win-crt-locale-l1-1-0

setlocale
___lc_locale_name_func
localeconv
_unlock_locales
_lock_locales
___mb_cur_max_func
_configthreadlocale
__pctype_func
___lc_codepage_func

api-ms-win-crt-math-l1-1-0

frexp
__setusermatherr

api-ms-win-crt-time-l1-1-0

_gmtime64_s
_time64
wcsftime

Sections

.text
Size: 95KB - Virtual size: 95KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 37KB - Virtual size: 36KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 5KB

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

_RDATA
Size: 512B - Virtual size: 244B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 114KB - Virtual size: 113KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1024B - Virtual size: 792B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
Ransomware-Maker.cs.pdb
Ransomware-Maker.cs.runtimeconfig.json
signtool.exe
.exe windows:10 windows x86

874663bdc1338d9d0380b306908b34f5

Code Sign

33:00:00:00:90:3e:83:56:9d:f3:ba:ae:e8:00:00:00:00:00:90
Certificate

Issuer

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

Not Before

07-10-2015 18:14

Not After

07-01-2017 18:14

Subject

CN=Microsoft Time-Stamp Service,OU=MOPR+OU=nCipher DSE ESN:B8EC-30A4-7144,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

33:00:00:01:0a:2c:79:ae:d7:79:7b:a6:ac:00:01:00:00:01:0a
Certificate

Issuer

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

Not Before

04-06-2015 17:42

Not After

04-09-2016 17:42

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

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

33:00:00:00:ef:d8:87:2e:35:a3:82:8a:2f:00:00:00:00:00:ef
Certificate

Issuer

CN=Microsoft Code Signing PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

28-10-2015 20:31

Not After

28-01-2017 20:31

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

61:0c:52:4c:00:00:00:00:00:03
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

06-07-2010 20:40

Not After

06-07-2025 20:50

Subject

CN=Microsoft Code Signing PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

5f:50:ae:52:da:58:06:fd:3e:2f:ab:d9:aa:4c:f2:6a:26:fc:e6:96:86:05:09:d4:76:39:32:7d:6d:fe:c5:56
Signer

Actual PE Digest

5f:50:ae:52:da:58:06:fd:3e:2f:ab:d9:aa:4c:f2:6a:26:fc:e6:96:86:05:09:d4:76:39:32:7d:6d:fe:c5:56

Digest Algorithm

sha256

PE Digest Matches

true

8b:f6:c0:c1:b5:97:1b:3b:d5:f5:7b:91:d0:5b:19:1a:f4:72:91:2b
Signer

Actual PE Digest

8b:f6:c0:c1:b5:97:1b:3b:d5:f5:7b:91:d0:5b:19:1a:f4:72:91:2b

Digest Algorithm

sha1

PE Digest Matches

true

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_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

Imports

advapi32

CryptDestroyKey
CryptReleaseContext
CryptGetUserKey
CryptEnumProvidersW
CryptAcquireContextW
CryptDestroyHash
CryptCreateHash
CryptSetHashParam
CryptSignHashA

kernel32

GetLastError
GetProcessHeap
HeapFree
FileTimeToSystemTime
FileTimeToLocalFileTime
FindNextFileW
GetFullPathNameW
FindClose
GetDateFormatEx
GetTimeFormatEx
GetModuleHandleW
LocalAlloc
MultiByteToWideChar
WideCharToMultiByte
GetStringTypeW
EncodePointer
DecodePointer
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
Sleep
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
GetTickCount
GetVersionExA
ExpandEnvironmentStringsW
GetFileType
WriteFile
EnumResourceNamesW
EnumResourceLanguagesW
LockResource
LoadResource
SizeofResource
FindResourceExW
HeapSetInformation
HeapAlloc
GetEnvironmentVariableW
MapViewOfFile
CreateFileMappingA
GetFileSize
GetSystemInfo
UnmapViewOfFile
LocalFree
FormatMessageW
CloseHandle
SetLastError
CreateFileW
GetCurrentProcess
GetProcAddress
GetModuleHandleA
FreeLibrary
FindFirstFileW
LoadLibraryA
LoadLibraryW

mfc42

ord823
ord825

msvcrt

__crtLCMapStringA
isupper
setlocale
malloc
___lc_codepage_func
___lc_handle_func
__pctype_func
_errno
___mb_cur_max_func
fputc
__uncaught_exception
strerror
__mb_cur_max
memset
memcpy
__CxxFrameHandler3
memcpy_s
ungetwc
ungetc
setvbuf
fwrite
_fseeki64
fsetpos
_XcptFilter
calloc
fflush
__iob_func
_CxxThrowException
_purecall
puts
_wsetlocale
_time64
realloc
??4exception@@QAEAAV0@ABV0@@Z
_exit
swscanf
_wtoi
towlower
_except_handler4_common
_controlfp
?terminate@@YAXXZ
__p__commode
_amsg_exit
__wgetmainargs
__set_app_type
_mktime64
_onexit
__dllonexit
_unlock
__crtLCMapStringW
??0exception@@QAE@XZ
___lc_collate_cp_func
__crtCompareStringW
memcmp
islower
fgetc
abort
fclose
fseek
fgetpos
wcsncmp
_lock
??1type_info@@UAE@XZ
_initterm
exit
_wfopen
_wcsnicmp
_wcsicmp
towupper
iswdigit
iswalpha
fgetwc
fwprintf
wcsstr
wprintf
free
??1bad_cast@@UAE@XZ
??0bad_cast@@QAE@ABV0@@Z
??_V@YAXPAX@Z
memmove_s
strcspn
memchr
localeconv
sprintf_s
putchar
_wctime64
mktime
fputwc
memmove
??0exception@@QAE@ABV0@@Z
??0exception@@QAE@ABQBD@Z
??1exception@@UAE@XZ
?what@exception@@UBEPBDXZ
__p__fmode
_cexit
strchr
__setusermatherr
qsort_s

ntdll

RtlAllocateHeap
RtlFreeHeap

crypt32

CertDuplicateCertificateContext
CertFreeCertificateChain
CryptMsgGetParam
CryptDecodeObject
CryptFindOIDInfo
CertFindAttribute
CertGetEnhancedKeyUsage
CertCreateCertificateContext
CertCompareCertificate
CryptMsgControl
CryptMsgClose
CertDuplicateStore
CertCloseStore
CertDuplicateCertificateChain
CryptEncodeObjectEx
CertGetCertificateContextProperty
CryptQueryObject
CertAddCertificateContextToStore
CertOpenStore
CertEnumCertificatesInStore
CryptMemFree
CryptVerifyMessageSignature
CryptMsgOpenToDecode
CryptMsgUpdate
CryptExportPublicKeyInfoEx
CryptAcquireCertificatePrivateKey
CertGetNameStringW
CertFindExtension
CertGetValidUsages
CertGetCertificateChain
CryptHashCertificate2
CertSetCertificateContextProperty
CryptBinaryToStringA
CryptStringToBinaryA
CryptBinaryToStringW
CertAddStoreToCollection
CertControlStore
PFXImportCertStore
CertFindCertificateInStore
CryptMsgOpenToEncode
CertComparePublicKeyInfo
CryptSIPLoad
CryptDecodeObjectEx
CryptSIPRetrieveSubjectGuid
CertFreeCertificateContext

user32

LoadStringW

ole32

CoTaskMemAlloc
CoTaskMemFree

oleaut32

SysFreeString
GetErrorInfo

wintrust

WinVerifyTrust
WTHelperGetProvCertFromChain
WTHelperGetProvSignerFromChain
WTHelperProvDataFromStateData

shlwapi

PathCanonicalizeW
SHCreateStreamOnFileW

bcrypt

BCryptCreateHash
BCryptFinishHash
BCryptHashData
BCryptDestroyHash
BCryptCloseAlgorithmProvider
BCryptOpenAlgorithmProvider
BCryptGetProperty

ncrypt

NCryptSignHash

xmllite

CreateXmlWriter

mssign32

SignerTimeStamp
SignerFreeSignerContext
SignerSign

Sections

.text
Size: 221KB - Virtual size: 220KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 1KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 7KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 66KB - Virtual size: 65KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 11KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
test.pfx
virus.cc
virus.cs
.js

Sharing

General

Malware Config

Signatures

Files

6dbf27f4c70fe2c8ed3e0122ba75d641

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

shell32

advapi32

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-heap-l1-1-0

api-ms-win-crt-string-l1-1-0

api-ms-win-crt-convert-l1-1-0

api-ms-win-crt-locale-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-time-l1-1-0

Sections

.text Size: 95KB - Virtual size: 95KB

.rdata Size: 37KB - Virtual size: 36KB

.data Size: 2KB - Virtual size: 5KB

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

_RDATA Size: 512B - Virtual size: 244B

.rsrc Size: 114KB - Virtual size: 113KB

.reloc Size: 1024B - Virtual size: 792B

874663bdc1338d9d0380b306908b34f5

Code Sign

33:00:00:00:90:3e:83:56:9d:f3:ba:ae:e8:00:00:00:00:00:90Certificate

Extended Key Usages

33:00:00:01:0a:2c:79:ae:d7:79:7b:a6:ac:00:01:00:00:01:0aCertificate

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

33:00:00:00:ef:d8:87:2e:35:a3:82:8a:2f:00:00:00:00:00:efCertificate

Extended Key Usages

61:0c:52:4c:00:00:00:00:00:03Certificate

Key Usages

5f:50:ae:52:da:58:06:fd:3e:2f:ab:d9:aa:4c:f2:6a:26:fc:e6:96:86:05:09:d4:76:39:32:7d:6d:fe:c5:56Signer

8b:f6:c0:c1:b5:97:1b:3b:d5:f5:7b:91:d0:5b:19:1a:f4:72:91:2bSigner

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

kernel32

mfc42

msvcrt

ntdll

crypt32

user32

ole32

oleaut32

wintrust

shlwapi

bcrypt

ncrypt

xmllite

mssign32

Sections

.text Size: 221KB - Virtual size: 220KB

.data Size: 1KB - Virtual size: 19KB

.idata Size: 7KB - Virtual size: 6KB

.rsrc Size: 66KB - Virtual size: 65KB

.reloc Size: 11KB - Virtual size: 11KB

.text
Size: 95KB - Virtual size: 95KB

.rdata
Size: 37KB - Virtual size: 36KB

.data
Size: 2KB - Virtual size: 5KB

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

_RDATA
Size: 512B - Virtual size: 244B

.rsrc
Size: 114KB - Virtual size: 113KB

.reloc
Size: 1024B - Virtual size: 792B

33:00:00:00:90:3e:83:56:9d:f3:ba:ae:e8:00:00:00:00:00:90
Certificate

33:00:00:01:0a:2c:79:ae:d7:79:7b:a6:ac:00:01:00:00:01:0a
Certificate

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

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

33:00:00:00:ef:d8:87:2e:35:a3:82:8a:2f:00:00:00:00:00:ef
Certificate

61:0c:52:4c:00:00:00:00:00:03
Certificate

5f:50:ae:52:da:58:06:fd:3e:2f:ab:d9:aa:4c:f2:6a:26:fc:e6:96:86:05:09:d4:76:39:32:7d:6d:fe:c5:56
Signer

8b:f6:c0:c1:b5:97:1b:3b:d5:f5:7b:91:d0:5b:19:1a:f4:72:91:2b
Signer

.text
Size: 221KB - Virtual size: 220KB

.data
Size: 1KB - Virtual size: 19KB

.idata
Size: 7KB - Virtual size: 6KB

.rsrc
Size: 66KB - Virtual size: 65KB

.reloc
Size: 11KB - Virtual size: 11KB