Challenge_Benign_3ef480deaeb96b99ac29afc8054236ec7fc32b4e7efaefc74dc651ca9bf5921c[.]exe

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General

Target

Challenge_Benign_3ef480deaeb96b99ac29afc8054236ec7fc32b4e7efaefc74dc651ca9bf5921c.exe
Size

83KB
MD5

0bfe1c4b78617983ad66e0efb1fafb8a
SHA1

de62c363f642a58117e8da49bf1c8f7961dd32e4
SHA256

385b55a500f0eac2aa157d7185ce43b389a9947c94d0d07b70e04162c6eb7d5e
SHA512

2a60aa1305e6b66921be438658343b3e2e07aaa3ef7398d2bb413a5a826370486b87764f7e1f12d609d8d3267e6a0d9e331b672df7bfc5fda12e1440c034a732
SSDEEP

1536:2WTVFD5rEzZulijfqElD++pbdkeA9DdtByk9+38g/vSIKuu6Qo:2WHDduEmqEh++bAI8g/vSrT6Qo

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Challenge_Benign_3ef480deaeb96b99ac29afc8054236ec7fc32b4e7efaefc74dc651ca9bf5921c.exe

Files

Challenge_Benign_3ef480deaeb96b99ac29afc8054236ec7fc32b4e7efaefc74dc651ca9bf5921c.exe
.exe windows x86

d179f02377fc5eef629184c1de2a41e2

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

mozglue

?mozalloc_handle_oom@@YAXI@Z
malloc
moz_xmalloc
free

nss3

SECKEY_DecodeDERSubjectPublicKeyInfo
SECKEY_ExtractPublicKey
SECKEY_DestroyPublicKey
PK11_HashBuf
SECITEM_FreeItem
SEC_SignData
SECKEY_CopyPrivateKey
SECKEY_CreateSubjectPublicKeyInfo
SECKEY_DestroyPrivateKey
NSS_NoDB_Init
PK11_FreeSlot
PK11_GetInternalSlot
PK11_RandomUpdate
PK11_GenerateKeyPair
PR_CallOnce
PORT_Free
PORT_ArenaAlloc
SECITEM_AllocItem
SECITEM_CopyItem
SECITEM_AllocArray
SECITEM_DupArray
PR_Now
PR_OpenFile
PR_Read
PR_Available
PR_OpenDir
PR_ReadDir
NSS_Initialize
NSS_Init
PR_InitializeNetAddr
PR_GetEnv
ATOB_AsciiToData
NSS_SetDomesticPolicy
NSS_FindCertKEAType
SSL_ConfigServerSessionIDCache
SSL_ConfigSecureServerWithCertChain
SSL_SNISocketConfigHook
SSL_ResetHandshake
SSL_OptionSet
SSL_ImportFD
PK11_ImportCert
PK11_FindKeyByDERCert
PK11_ImportDERPrivateKeyInfoAndReturnKey
PK11_FindKeyByAnyCert
PK11_NeedUserInit
PK11_InitPin
PK11_GetInternalKeySlot
PR_ErrorToName
PR_SetError
CERT_DestroyCertificateList
CERT_DecodeCertPackage
CERT_FindCertIssuer
CERT_FindCertByName
CERT_NewTempCertificate
CERT_GetDefaultCertDB
CERT_ExtractPublicKey
CERT_DupCertificate
PR_SetSocketOption
PR_Send
PR_Recv
PR_Listen
SECKEY_DestroySubjectPublicKeyInfo
VFY_VerifyDigestDirect
PR_Assert
PR_ErrorInstallTable
PR_GetError
PK11_FindCertFromNickname
PR_fprintf
CERT_DestroyCertificate
PR_Write
PR_Close
PR_Open
PR_GetSpecialFD
PORT_FreeArena
PORT_NewArena
PR_Bind
PR_Accept
PR_Connect
PR_NewTCPSocket
PR_CloseDir

kernel32

InitializeSListHead
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
GetStartupInfoW
IsDebuggerPresent
IsProcessorFeaturePresent
SetUnhandledExceptionFilter
UnhandledExceptionFilter
GetProcAddress
GetModuleHandleW
CreateEventW
WaitForSingleObjectEx
ResetEvent
SetEvent
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
CloseHandle
TerminateProcess
GetCurrentProcess
GetSystemTimeAsFileTime

msvcp140

?_BADOFF@std@@3_JB
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JPAD_J@Z
?uflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEHXZ
?sync@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEHXZ
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JXZ
?setbuf@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEPAV12@PAD_J@Z
?imbue@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEXABVlocale@2@@Z
?_Unlock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UAEXXZ
?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UAEXXZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@H@Z
??1?$basic_ostream@DU?$char_traits@D@std@@@std@@UAE@XZ
??0?$basic_ostream@DU?$char_traits@D@std@@@std@@QAE@PAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IAEPADXZ
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UAE@XZ
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IAE@XZ
?_Ios_base_dtor@ios_base@std@@CAXPAV12@@Z
?_Xout_of_range@std@@YAXPBD@Z
?_Xlength_error@std@@YAXPBD@Z
?_Xbad_alloc@std@@YAXXZ
??_7ios_base@std@@6B@
??_7?$basic_ios@DU?$char_traits@D@std@@@std@@6B@
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JPBD_J@Z

vcruntime140

_except_handler4_common
memcmp
memset
memmove
memcpy
__vcrt_InitializeCriticalSectionEx
__std_type_info_destroy_list
_purecall

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

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

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

atoll
atoi

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

_gmtime64_s
_time64

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

_dupenv_s

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

__acrt_iob_func
fwrite
fclose
fopen_s
fflush
__p__commode
__stdio_common_vfprintf
__stdio_common_vsprintf
_set_fmode

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

strncmp

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

__setusermatherr

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

_configthreadlocale

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

_set_new_mode

Sections

.text
Size: 58KB - Virtual size: 57KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 20KB - Virtual size: 19KB

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

.tls
Size: 512B - Virtual size: 9B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.gfids
Size: 512B - Virtual size: 44B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

d179f02377fc5eef629184c1de2a41e2

Headers

DLL Characteristics

File Characteristics

Imports

mozglue

nss3

kernel32

msvcp140

vcruntime140

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

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

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

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

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

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

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

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

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

Sections

.text Size: 58KB - Virtual size: 57KB

.rdata Size: 20KB - Virtual size: 19KB

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

.tls Size: 512B - Virtual size: 9B

.gfids Size: 512B - Virtual size: 44B

.reloc Size: 3KB - Virtual size: 2KB

.text
Size: 58KB - Virtual size: 57KB

.rdata
Size: 20KB - Virtual size: 19KB

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

.tls
Size: 512B - Virtual size: 9B

.gfids
Size: 512B - Virtual size: 44B

.reloc
Size: 3KB - Virtual size: 2KB