Challenge_Benign_90e77a70e53bae4273e0b1b9b8eb1f695586d43b4507be7efb759094a642b465[.]exe

Sharing

Copy URL Twitter E-mail

General

Target

Challenge_Benign_90e77a70e53bae4273e0b1b9b8eb1f695586d43b4507be7efb759094a642b465.exe
Size

85KB
MD5

f40b0facb0c6163263083556b47174f5
SHA1

537ed37914d68b6539fcdcb3c06533697b6aa68f
SHA256

efa88a1750558ae00b85b49d98ae266c3de97eab144a4e8226e17ced0301f245
SHA512

426a507e4c599fbac367bbad63d7410bf51cdf01fa6bb692b38649ccad173e093e6de40081bcfe5bf43e43c5a980d3b208b03d1af5e90ab505781a26f5220e4f
SSDEEP

1536:CR+qwDLwNDf/3NTVM/OztdM/Sdd4L96FyEHC8jnRn1RVkO+TygyZraM:RUDf/3NTV4OhdMSdc96FyEi8jfkOwQaM

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Challenge_Benign_90e77a70e53bae4273e0b1b9b8eb1f695586d43b4507be7efb759094a642b465.exe

Files

Challenge_Benign_90e77a70e53bae4273e0b1b9b8eb1f695586d43b4507be7efb759094a642b465.exe
.exe windows x86

2d03c5df2221c8352fa12f2d1e72c815

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

Imports

nss3

PR_EnterMonitor
PR_CallOnce
PR_GetThreadPrivate
PR_WaitCondVar
PR_SetThreadPrivate
PR_ExitMonitor
PR_Wait
PR_DestroyLock
PR_Lock
PR_AssertCurrentThreadInMonitor
PR_Unlock
PR_AssertCurrentThreadOwnsLock
PR_FileDesc2NativeHandle
PR_GetCurrentThread
PR_NewThreadPrivateIndex
PR_Seek64
PR_Now
PR_Free
PR_dtoa
PR_Assert
PR_SetCurrentThreadName
PR_sscanf
PR_IntervalNow
PR_NewLock

xul

NS_DebugBreak
?_external_GetObserverService@services@mozilla@@YG?AU?$already_AddRefed@VnsIObserverService@@@@XZ
NS_LogDtor
NS_LogCtor
NS_GetComponentManager
NS_GetServiceManager
NS_CStringToUTF16
NS_CStringCopy
NS_CStringSetDataRange
NS_CStringCloneData
NS_CStringGetMutableData
NS_CStringGetData
NS_CStringContainerInit2
NS_StringSetDataRange
NS_StringGetMutableData
NS_StringGetData
NS_GetMemoryManager
NS_UTF16ToCString
NS_CStringSetData
NS_CStringContainerFinish
NS_CStringContainerInit
NS_StringCopy
NS_StringContainerFinish
NS_StringContainerInit2
NS_StringContainerInit
NS_LogCOMPtrRelease
NS_LogCOMPtrAddRef
NS_LogRelease
NS_LogAddRef

mozglue

moz_xmalloc
wcsdup
realloc
free
strdup
?gChaosFeatures@detail@mozilla@@3W4ChaosFeature@2@A
?gChaosModeCounter@detail@mozilla@@3V?$Atomic@I$01X@2@A
malloc
moz_xrealloc

kernel32

CloseHandle
IsProcessorFeaturePresent
GetStartupInfoW
SetUnhandledExceptionFilter
UnhandledExceptionFilter
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
GetModuleHandleW
OutputDebugStringA
IsDebuggerPresent
SetFilePointerEx
SetEndOfFile
ReadFile
CreateFileW
WideCharToMultiByte
MultiByteToWideChar
VerifyVersionInfoA
SetThreadPriority
GetCurrentThread
VerSetConditionMask
GetCurrentProcess
TerminateProcess

vcruntime140

memmove
strchr
wcschr
memcmp
memcpy
memset
__telemetry_main_invoke_trigger
__telemetry_main_return_trigger
__std_type_info_destroy_list
_except_handler4_common
_purecall

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

fread
__p__commode
_dup
fputs
__stdio_common_vsprintf
ftell
fseek
fclose
_wfopen
__stdio_common_vfprintf
fflush
__acrt_iob_func
_set_fmode

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

strtol
wcstol

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

strpbrk
strncpy
wcspbrk
wcsncmp

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

rand
srand

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

_except1
_fdopen
__setusermatherr

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

_register_onexit_function
_initialize_onexit_table
_seh_filter_dll
_crt_atexit
_set_app_type
_seh_filter_exe
_crt_at_quick_exit
_configure_narrow_argv
_initialize_narrow_environment
terminate
_get_initial_narrow_environment
_initterm
_initterm_e
exit
_exit
_controlfp_s
__p___argc
__p___argv
_cexit
_c_exit
_execute_onexit_table
_register_thread_local_exe_atexit_callback

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

_configthreadlocale

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

_set_new_mode

Sections

.text
Size: 60KB - Virtual size: 60KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 18KB - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.gfids
Size: 512B - Virtual size: 36B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

2d03c5df2221c8352fa12f2d1e72c815

Headers

DLL Characteristics

File Characteristics

Imports

nss3

xul

mozglue

kernel32

vcruntime140

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

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

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

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

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

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

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

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

Sections

.text Size: 60KB - Virtual size: 60KB

.rdata Size: 18KB - Virtual size: 17KB

.data Size: 512B - Virtual size: 1KB

.gfids Size: 512B - Virtual size: 36B

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

.text
Size: 60KB - Virtual size: 60KB

.rdata
Size: 18KB - Virtual size: 17KB

.data
Size: 512B - Virtual size: 1KB

.gfids
Size: 512B - Virtual size: 36B

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