Challenge_Benign_ae807dc7574bd0e926e91d302f3b9862e83553bd59a14aa7f572a75c65ec40e8[.]exe

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General

Target

Challenge_Benign_ae807dc7574bd0e926e91d302f3b9862e83553bd59a14aa7f572a75c65ec40e8.exe
Size

83KB
MD5

1ad52147eb80f220b0ca14101abf9a15
SHA1

9b07453a28c25a376653b3b0c32a7d06602721e9
SHA256

57db6633ed7d8d94e9e766b437cab2770c06c569bb6f76917230aa053841f6dc
SHA512

2679f7e2657ae23230d5021fedd2858d4c0ba84fcd567182c711492f674d858647d1129b34219d4ad24a67e7043f4518554532f3e91eab6c43cdaafeae8dca5f
SSDEEP

1536:o13BwWaeezkekxuSLvDGYyD/kLYu38LvvIkYobCj:+3iHkNxxx8LvvIwbCj

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Challenge_Benign_ae807dc7574bd0e926e91d302f3b9862e83553bd59a14aa7f572a75c65ec40e8.exe

Files

Challenge_Benign_ae807dc7574bd0e926e91d302f3b9862e83553bd59a14aa7f572a75c65ec40e8.exe
.exe windows x86

a3296bb225b5a6c2c167676468d57091

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
?moz_Xout_of_range@std@@YAXPBD@Z
?moz_Xlength_error@std@@YAXPBD@Z
free
moz_xmalloc
malloc

nss3

CERT_DestroyCertificate
PR_SetError
SSL_SetStapledOCSPResponses
PR_GetError
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_FindCertFromNickname
PK11_FindKeyByDERCert
PK11_ImportDERPrivateKeyInfoAndReturnKey
PK11_FindKeyByAnyCert
PK11_NeedUserInit
PK11_InitPin
PK11_GetInternalKeySlot
PR_ErrorToName
PR_fprintf
CERT_DestroyCertificateList
CERT_DecodeCertPackage
CERT_FindCertIssuer
CERT_FindCertByName
CERT_NewTempCertificate
CERT_GetDefaultCertDB
CERT_ExtractPublicKey
CERT_DupCertificate
PR_SetSocketOption
PR_Send
PR_Recv
PR_Listen
PR_Bind
PR_Accept
PR_Connect
PR_NewTCPSocket
PR_CloseDir
PR_ReadDir
PR_OpenDir
PR_Available
PR_Read
PR_Close
PR_OpenFile
PR_GetSpecialFD
PR_Now
SECITEM_DupArray
SECITEM_AllocArray
SECITEM_CopyItem
SECITEM_AllocItem
PORT_ArenaAlloc
PORT_Free
PR_CallOnce
PK11_GenerateKeyPair
PK11_RandomUpdate
PK11_GetInternalSlot
PK11_FreeSlot
NSS_NoDB_Init
SECKEY_DestroyPrivateKey
SECKEY_CreateSubjectPublicKeyInfo
SECKEY_CopyPrivateKey
SEC_SignData
SECITEM_FreeItem
PK11_HashBuf
SECITEM_ItemsAreEqual
PORT_FreeArena
PORT_NewArena
SECKEY_DestroyPublicKey
SECKEY_ExtractPublicKey
SECKEY_DecodeDERSubjectPublicKeyInfo
SECKEY_DestroySubjectPublicKeyInfo
VFY_VerifyDigestDirect
PR_Assert
PR_ErrorInstallTable

kernel32

GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
GetModuleHandleW
GetStartupInfoW
IsDebuggerPresent
IsProcessorFeaturePresent
SetUnhandledExceptionFilter
UnhandledExceptionFilter
InitializeSListHead
GetCurrentProcess
TerminateProcess
GetSystemTimeAsFileTime

msvcp140

??1?$basic_ostream@DU?$char_traits@D@std@@@std@@UAE@XZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@H@Z
??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
?_Xbad_alloc@std@@YAXXZ
?_Unlock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UAEXXZ
?imbue@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEXABVlocale@2@@Z
?setbuf@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEPAV12@PAD_J@Z
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JXZ
?sync@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEHXZ
?uflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEHXZ
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JPAD_J@Z
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JPBD_J@Z
?_BADOFF@std@@3_JB
??_7ios_base@std@@6B@
??_7?$basic_ios@DU?$char_traits@D@std@@@std@@6B@
?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UAEXXZ

vcruntime140

memcmp
memset
memmove
memcpy
_purecall
_except_handler4_common
__std_type_info_destroy_list

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

__acrt_iob_func
__stdio_common_vfprintf
__p__commode
_set_fmode
fopen_s
fclose
__stdio_common_vsprintf
fwrite
fflush

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

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

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-convert-l1-1-0

atoi

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: 57KB - Virtual size: 56KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 21KB - Virtual size: 21KB

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: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

a3296bb225b5a6c2c167676468d57091

Headers

DLL Characteristics

File Characteristics

Imports

mozglue

nss3

kernel32

msvcp140

vcruntime140

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

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

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

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

api-ms-win-crt-convert-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: 57KB - Virtual size: 56KB

.rdata Size: 21KB - Virtual size: 21KB

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

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

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

.text
Size: 57KB - Virtual size: 56KB

.rdata
Size: 21KB - Virtual size: 21KB

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

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

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