Patch JB 2023[.]x[.]x[.]exe

Resubmissions

26-07-2024 17:17

240726-vt4y8ascmp 7

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General

Target

Patch JB 2023.x.x.exe
Size

9.8MB
MD5

2225a9180e142415ae27486fc2631809
SHA1

e55621177d23583d5cfb1d0a012c06e73a7c1331
SHA256

78dea6ce89d0ef782aaeddc45abbf492f6b272e8804d9f1528e3fea7aa81b6c6
SHA512

4501aa9878f88ad2665f272c63b46781fc8e6ee64f6406aceeb309399dcbce9aafdf724d6c6d3a9b4c0a6ead89ee49aa148cae710b2c68815ba07e6a1bc72251
SSDEEP

196608:zfYJw5b8ev5zAp9uwi//sSsTUTIZjnX3uAx3N3rgiq3VzO6s3rr7jC:zwJXnp9ul/0UMRnu+3OFFzO13rrfC

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Patch JB 2023.x.x.exe

Files

Patch JB 2023.x.x.exe
.exe windows:5 windows x64 arch:x64

81530254b85f34245257b4cb8cfcd6a1

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

oleaut32

SysFreeString
SysReAllocStringLen
SysAllocStringLen
SafeArrayPtrOfIndex
SafeArrayGetUBound
SafeArrayGetLBound
SafeArrayCreate
VariantChangeType
VariantCopy
VariantClear
VariantInit

advapi32

RegQueryValueExW
RegOpenKeyExW
RegCloseKey

user32

MessageBoxA
CharNextW
LoadStringW
OemToCharW
MessageBoxW
LoadStringW
GetSystemMetrics
CharUpperW
CharLowerBuffW

kernel32

Sleep
VirtualFree
VirtualAlloc
HeapFree
HeapAlloc
GetProcessHeap
lstrlenW
VirtualQuery
QueryPerformanceCounter
GetTickCount
GetSystemInfo
GetVersion
CompareStringW
IsValidLocale
SetThreadLocale
GetSystemDefaultUILanguage
GetUserDefaultUILanguage
GetLocaleInfoW
WideCharToMultiByte
MultiByteToWideChar
GetACP
LoadLibraryExW
GetStartupInfoW
GetProcAddress
GetModuleHandleW
GetModuleFileNameW
GetCommandLineW
FreeLibrary
GetLastError
UnhandledExceptionFilter
RtlUnwindEx
RtlUnwind
RaiseException
ExitProcess
SwitchToThread
GetCurrentThreadId
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
InitializeCriticalSection
FindFirstFileW
FindClose
WriteFile
GetStdHandle
CloseHandle
GetProcAddress
RaiseException
LoadLibraryA
GetLastError
TlsSetValue
TlsGetValue
LocalFree
LocalAlloc
GetModuleHandleW
FreeLibrary
WriteFile
WideCharToMultiByte
WaitForSingleObject
VirtualQueryEx
VirtualQuery
VirtualFree
UnmapViewOfFile
SwitchToThread
SizeofResource
SetLastError
SetFileTime
SetFilePointer
SetEvent
SetEnvironmentVariableW
SetEndOfFile
ResetEvent
RemoveDirectoryW
ReadFile
MapViewOfFile
LockResource
LocalFree
LocalFileTimeToFileTime
LoadResource
LeaveCriticalSection
IsValidLocale
InitializeCriticalSection
GetVersionExW
GetTickCount
GetThreadLocale
GetTempPathW
GetStdHandle
GetProcAddress
GetModuleHandleW
GetModuleFileNameW
GetLocaleInfoW
GetLocalTime
GetLastError
GetFullPathNameW
GetFileSize
GetFileAttributesW
GetExitCodeProcess
GetDiskFreeSpaceW
GetDateFormatW
GetCurrentThreadId
GetCurrentProcessId
GetCurrentProcess
GetCommandLineW
GetCPInfo
FreeResource
FreeLibrary
FormatMessageW
FindResourceW
EnumCalendarInfoW
EnterCriticalSection
DosDateTimeToFileTime
DeleteFileW
DeleteCriticalSection
CreateProcessW
CreateFileMappingW
CreateFileW
CreateEventW
CreateDirectoryW
CompareStringW
CloseHandle
Sleep

shfolder

SHGetFolderPathW

msvcrt

memcpy

Exports

Exports

TMethodImplementationIntercept
__dbk_fcall_wrapper
dbkFCallWrapperAddr

Sections

.text
Size: 371KB - Virtual size: 370KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 54KB - Virtual size: 53KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.bss
Size: - Virtual size: 37KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.didata
Size: 512B - Virtual size: 396B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.edata
Size: 512B - Virtual size: 150B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: - Virtual size: 416B

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 512B - Virtual size: 40B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pdata
Size: 21KB - Virtual size: 20KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 69KB - Virtual size: 68KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Resubmissions

Sharing

General

Malware Config

Signatures

Files

81530254b85f34245257b4cb8cfcd6a1

Headers

File Characteristics

Imports

oleaut32

advapi32

user32

kernel32

shfolder

msvcrt

Exports

Exports

Sections

.text Size: 371KB - Virtual size: 370KB

.data Size: 54KB - Virtual size: 53KB

.bss Size: - Virtual size: 37KB

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

.didata Size: 512B - Virtual size: 396B

.edata Size: 512B - Virtual size: 150B

.tls Size: - Virtual size: 416B

.rdata Size: 512B - Virtual size: 40B

.pdata Size: 21KB - Virtual size: 20KB

.rsrc Size: 69KB - Virtual size: 68KB

.text
Size: 371KB - Virtual size: 370KB

.data
Size: 54KB - Virtual size: 53KB

.bss
Size: - Virtual size: 37KB

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

.didata
Size: 512B - Virtual size: 396B

.edata
Size: 512B - Virtual size: 150B

.tls
Size: - Virtual size: 416B

.rdata
Size: 512B - Virtual size: 40B

.pdata
Size: 21KB - Virtual size: 20KB

.rsrc
Size: 69KB - Virtual size: 68KB