ChromicStealer[.]exe

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General

Target

ChromicStealer.exe
Size

1.3MB
MD5

bb746986cfccef3c145c4e31955e97ab
SHA1

61a8c1d8be62a0ae611706e9da3ec489979935f7
SHA256

a95ac2bc677174e858740f67d769b96074ebc4c02c2ce84ebe116d119e7a8c44
SHA512

28d23fc520643ed12ad286b54889188be7a38969e86493f82362d78202a033bffa9f895217f41df05bd3b745e811460cb428c21c423f3d8919736baf487244a7
SSDEEP

24576:JoaBGIG9i0aXEKiX3Nz9V8Y9H7jlxki0cxS/YdxBXahGsmcPSZ9GUm7h/o7aHoH5:JorL9i0d9j9H7jlxpRxS/kxBXahGsmcQ

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs
Checks for missing Authenticode signature.

Processes:

resource

ChromicStealer.exe

resource
ChromicStealer.exe

Files

ChromicStealer.exe
.exe windows:4 windows x86 arch:x86

e7a8fdb1cee0aee6b17e8649c9f863cc

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

AreFileApisANSI
CloseHandle
CreateDirectoryA
CreateFileA
CreateFileMappingW
CreateFileW
CreateMutexW
DeleteCriticalSection
DeleteFileA
DeleteFileW
EnterCriticalSection
FindFirstFileA
FindNextFileA
FlushFileBuffers
FlushViewOfFile
FormatMessageA
FormatMessageW
FreeLibrary
GetCurrentProcessId
GetCurrentThreadId
GetDiskFreeSpaceA
GetDiskFreeSpaceW
GetEnvironmentVariableA
GetFileAttributesA
GetFileAttributesExW
GetFileAttributesW
GetFileSize
GetFullPathNameA
GetFullPathNameW
GetLastError
GetModuleHandleA
GetProcAddress
GetProcessHeap
GetStartupInfoA
GetSystemInfo
GetSystemTime
GetSystemTimeAsFileTime
GetTempPathA
GetTempPathW
GetTickCount
HeapAlloc
HeapCompact
HeapCreate
HeapDestroy
HeapFree
HeapReAlloc
HeapSize
HeapValidate
InitializeCriticalSection
LeaveCriticalSection
LoadLibraryA
LoadLibraryW
LocalFree
LockFile
LockFileEx
MapViewOfFile
MultiByteToWideChar
OutputDebugStringA
OutputDebugStringW
QueryPerformanceCounter
ReadFile
SetEndOfFile
SetFilePointer
SetUnhandledExceptionFilter
Sleep
SystemTimeToFileTime
TlsGetValue
TryEnterCriticalSection
UnlockFile
UnlockFileEx
UnmapViewOfFile
VirtualProtect
VirtualQuery
WaitForSingleObject
WaitForSingleObjectEx
WideCharToMultiByte
WriteFile

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

__p__environ
__p__wenviron

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

_stat64
remove

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

_set_new_mode
calloc
free
malloc
realloc

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

__setusermatherr

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

memchr
memcmp
memcpy
memmove
strchr
strrchr

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

__p___argc
__p___argv
__p___wargv
__p__acmdln
_assert
_beginthreadex
_cexit
_configure_narrow_argv
_configure_wide_argv
_crt_at_quick_exit
_crt_atexit
_endthreadex
_initialize_narrow_environment
_set_app_type
_initialize_wide_environment
_initterm
_set_invalid_parameter_handler
abort
exit
signal

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

__acrt_iob_func
__p__commode
__p__fmode
__stdio_common_vfprintf
__stdio_common_vfwprintf
__stdio_common_vsprintf
_fseeki64
_ftelli64
fclose
fflush
fopen
fputs
fread
freopen
fwrite
puts

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

memset
strcat
strcmp
strcspn
strlen
strncmp
strspn

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

__daylight
__timezone
__tzname
_localtime64
_mktime64
_time64
_tzset
_utime64

Sections

.text
Size: 935KB - Virtual size: 934KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 67KB - Virtual size: 67KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

/4
Size: 91KB - Virtual size: 90KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 1KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 8B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 15KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/14
Size: 512B - Virtual size: 184B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/29
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/41
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/55
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/67
Size: 512B - Virtual size: 56B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/80
Size: 512B - Virtual size: 119B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/91
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/107
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/123
Size: 512B - Virtual size: 105B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

e7a8fdb1cee0aee6b17e8649c9f863cc

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

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

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

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

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

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

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

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

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

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

Sections

.text Size: 935KB - Virtual size: 934KB

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

.rdata Size: 67KB - Virtual size: 67KB

/4 Size: 91KB - Virtual size: 90KB

.bss Size: - Virtual size: 1KB

.idata Size: 5KB - Virtual size: 4KB

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

.tls Size: 512B - Virtual size: 8B

.reloc Size: 15KB - Virtual size: 15KB

/14 Size: 512B - Virtual size: 184B

/29 Size: 8KB - Virtual size: 8KB

/41 Size: 2KB - Virtual size: 1KB

/55 Size: 2KB - Virtual size: 1KB

/67 Size: 512B - Virtual size: 56B

/80 Size: 512B - Virtual size: 119B

/91 Size: 1KB - Virtual size: 1KB

/107 Size: 3KB - Virtual size: 3KB

/123 Size: 512B - Virtual size: 105B

.text
Size: 935KB - Virtual size: 934KB

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

.rdata
Size: 67KB - Virtual size: 67KB

/4
Size: 91KB - Virtual size: 90KB

.bss
Size: - Virtual size: 1KB

.idata
Size: 5KB - Virtual size: 4KB

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

.tls
Size: 512B - Virtual size: 8B

.reloc
Size: 15KB - Virtual size: 15KB

/14
Size: 512B - Virtual size: 184B

/29
Size: 8KB - Virtual size: 8KB

/41
Size: 2KB - Virtual size: 1KB

/55
Size: 2KB - Virtual size: 1KB

/67
Size: 512B - Virtual size: 56B

/80
Size: 512B - Virtual size: 119B

/91
Size: 1KB - Virtual size: 1KB

/107
Size: 3KB - Virtual size: 3KB

/123
Size: 512B - Virtual size: 105B