revLoader[.]exe

Resubmissions

22-05-2023 03:40

230522-d8mj2sdh66 3

22-05-2023 03:38

230522-d7b2xsdh62 3

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General

Target

revLoader.exe
Size

34KB
MD5

f6d14c4fe666d2d39fe6435690184a52
SHA1

76ee054a76ebdcf9d5a03ee87573394efb99af94
SHA256

64b56f8f9275c774fc44e0a1eec490ecfb950545226d68134ddd7652431843b4
SHA512

5b3fbd52f8c0282e9255bd5ce0095494bad712e07bacb946451c9a34271f0d34306c1c9d84661f7d8ed3f74af2fd5257d8fd06f203b78a3e2ee4855065cdc6ff
SSDEEP

384:72Ws4WwdWyWogvekjO2QNP2kP2GuxbpHuVKCnIAA6rixX1r7CfJv2lWxAA5lWTV:KWs4WwdWyW3PjMobpIXMO12UlWB

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
revLoader.exe

Files

revLoader.exe
.exe windows x86

fde04a7f5d877a14ff9dcef5514cec14

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

SetEvent
CreateEventA
CreateProcessA
GetLastError
GetProcAddress
LoadLibraryA
WaitForSingleObject
SetEnvironmentVariableA
GetModuleFileNameA
CloseHandle
QueryPerformanceCounter
GetSystemTimeAsFileTime
MapViewOfFile
GetCommandLineW
CreateFileMappingA
GetPrivateProfileStringA
GetCurrentProcessId
GetCurrentThreadId
DecodePointer
IsDebuggerPresent
SetUnhandledExceptionFilter
UnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
EncodePointer
GetStartupInfoW
HeapSetInformation
InterlockedCompareExchange
Sleep
InterlockedExchange
GetTickCount

user32

MessageBoxA

advapi32

RegOpenKeyExA
RegCreateKeyExA
RegSetValueExA
RegCloseKey

shell32

CommandLineToArgvW

msvcr100

isspace
strstr
atoi
strncpy
_filelength
strcpy_s
_fileno
strrchr
wcstombs
_amsg_exit
__getmainargs
_cexit
_exit
_XcptFilter
_ismbblead
exit
_acmdln
_initterm
_initterm_e
_configthreadlocale
__setusermatherr
_commode
_fmode
__set_app_type
_crt_debugger_hook
?terminate@@YAXXZ
_unlock
__dllonexit
_lock
_onexit
_except_handler4_common
_invoke_watson
_controlfp_s
_wcsicmp
fclose
fopen
sprintf
??2@YAPAXI@Z
??3@YAXPAX@Z
_itoa
fread
memset

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 23KB - Virtual size: 22KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1024B - Virtual size: 976B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Resubmissions

Sharing

General

Malware Config

Signatures

Files

fde04a7f5d877a14ff9dcef5514cec14

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

shell32

msvcr100

Sections

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

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

.data Size: 512B - Virtual size: 3KB

.rsrc Size: 23KB - Virtual size: 22KB

.reloc Size: 1024B - Virtual size: 976B

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

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

.data
Size: 512B - Virtual size: 3KB

.rsrc
Size: 23KB - Virtual size: 22KB

.reloc
Size: 1024B - Virtual size: 976B