oscdimg[.]exe | Triage

Resubmissions

23/03/2023, 17:34

230323-v5r4ssbb5z 8

23/03/2023, 17:33

230323-v4wetsbb5t 1

Sharing

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General

Target

oscdimg.exe
Size

140KB
MD5

b2bf0303610e9e577e1ae7227779ee41
SHA1

00b8f3b5dda8b1786d4288cc39f80d345691a295
SHA256

5048a219b9dea36c489020889200456ce2d394b91a737a09753d9bfdb7461a87
SHA512

892c57e53cf687c9ba1b61ff8633aeeac5c2693467f06e4937a25d4cbb6dd5c29b9febf0a7d5f47e110f6e619817910fceebb7f67c5a2857c4534ba7caa5ddc2
SSDEEP

3072:doAZDdTT04fZYgJygE3vLEeZ/k39F4+BlqDLFjqZYuwersBFUY:dXdX04xYrtLEWs39xSCHIFUY

Score

1^/10

Malware Config

Signatures

Files

oscdimg.exe
.exe windows x64

Password: filetest1234

2b559891862d734fae9c7518a336b076

Code Sign

33:00:00:06:31:86:74:9e:54:63:61:22:f3:00:00:00:00:06:31
Certificate

Issuer

CN=Microsoft Development PCA 2014,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

30/06/2022, 17:59

Not After

15/09/2023, 17:59

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

33:00:00:00:03:c6:f9:b4:c3:ae:be:59:4b:00:00:00:00:00:03
Certificate

Issuer

CN=Microsoft Development Root Certificate Authority 2014,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

28/05/2014, 17:33

Not After

28/05/2029, 17:43

Subject

CN=Microsoft Development PCA 2014,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

4a:90:e4:70:76:0a:db:da:af:e5:3f:4c:16:9d:c4:c4:50:e7:73:71:7b:fb:b5:50:d5:a6:c6:46:78:41:5b:b2
Signer

Actual PE Digest

4a:90:e4:70:76:0a:db:da:af:e5:3f:4c:16:9d:c4:c4:50:e7:73:71:7b:fb:b5:50:d5:a6:c6:46:78:41:5b:b2

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

23/03/2023, 16:17
Valid: false

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

GetVersionExA
SetErrorMode
GetSystemTime
SystemTimeToFileTime
SetFileApisToANSI
SetFileApisToOEM
GetTimeZoneInformation
GetFullPathNameA
GetFullPathNameW
lstrlenW
FindFirstFileW
FindFirstFileA
FindClose
GetLongPathNameW
GetLastError
GetLongPathNameA
HeapFree
CreateFileW
CreateFileA
CloseHandle
WaitForSingleObject
SetEvent
FileTimeToSystemTime
DeleteFileA
MultiByteToWideChar
WideCharToMultiByte
GetFileSize
ReadFile
GetFileTime
GetFileInformationByHandle
FindNextFileA
FindNextFileW
GetOverlappedResult
SetEndOfFile
SetFilePointer
CreateEventA
WriteFile
SetLastError
EnterCriticalSection
LeaveCriticalSection
GetCurrentProcess
GetModuleHandleA
GetProcessWorkingSetSize
SetProcessWorkingSetSize
InitializeCriticalSection
VirtualFree
SetConsoleCtrlHandler
ExitProcess
FormatMessageA
GetProcessHeap
HeapAlloc
VirtualAlloc
VirtualLock
ResetEvent
GetProcAddress
ReleaseSemaphore
CreateThread
WaitForMultipleObjects
SetThreadPriority
CreateSemaphoreA
GetDiskFreeSpaceA
GetDiskFreeSpaceW
GetSystemTimeAsFileTime
GetTickCount
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
GetModuleHandleW
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
Sleep

msvcrt

_wcsicmp
strrchr
_stricmp
wcscpy_s
wcscat_s
strtok
_wfopen
fgetws
feof
fclose
fopen
fgets
swprintf_s
_strnicmp
_strtoui64
strtoul
tolower
atoi
srand
time
__C_specific_handler
vfprintf
_ultoa
rand
_wcsnicmp
_XcptFilter
_amsg_exit
__getmainargs
__set_app_type
_exit
_cexit
__setusermatherr
_initterm
_fmode
_commode
wcstok
?terminate@@YAXXZ
memset
wprintf
sprintf_s
strchr
wcschr
_strupr
wcsncmp
strcat_s
strcpy_s
exit
printf
fflush
wcsrchr
fprintf
__iob_func
memcmp
memcpy
strcmp

Sections

.text
Size: 80KB - Virtual size: 76KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 36KB - Virtual size: 35KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 267KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 4KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 4KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 4KB - Virtual size: 80B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Resubmissions

Sharing

General

Malware Config

Signatures

Files

Password: filetest1234

2b559891862d734fae9c7518a336b076

Code Sign

33:00:00:06:31:86:74:9e:54:63:61:22:f3:00:00:00:00:06:31Certificate

Extended Key Usages

33:00:00:00:03:c6:f9:b4:c3:ae:be:59:4b:00:00:00:00:00:03Certificate

Key Usages

4a:90:e4:70:76:0a:db:da:af:e5:3f:4c:16:9d:c4:c4:50:e7:73:71:7b:fb:b5:50:d5:a6:c6:46:78:41:5b:b2Signer

Signature Validations

Verification

23/03/2023, 16:17 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

msvcrt

Sections

.text Size: 80KB - Virtual size: 76KB

.rdata Size: 36KB - Virtual size: 35KB

.data Size: 4KB - Virtual size: 267KB

.pdata Size: 4KB - Virtual size: 2KB

.rsrc Size: 4KB - Virtual size: 1KB

.reloc Size: 4KB - Virtual size: 80B

33:00:00:06:31:86:74:9e:54:63:61:22:f3:00:00:00:00:06:31
Certificate

33:00:00:00:03:c6:f9:b4:c3:ae:be:59:4b:00:00:00:00:00:03
Certificate

4a:90:e4:70:76:0a:db:da:af:e5:3f:4c:16:9d:c4:c4:50:e7:73:71:7b:fb:b5:50:d5:a6:c6:46:78:41:5b:b2
Signer

23/03/2023, 16:17
Valid: false

.text
Size: 80KB - Virtual size: 76KB

.rdata
Size: 36KB - Virtual size: 35KB

.data
Size: 4KB - Virtual size: 267KB

.pdata
Size: 4KB - Virtual size: 2KB

.rsrc
Size: 4KB - Virtual size: 1KB

.reloc
Size: 4KB - Virtual size: 80B