Challenge_Benign_adec4f11b395deafea2068e3798564afa315627b896c857689902e8980749584[.]exe

Sharing

Copy URL Twitter E-mail

General

Target

Challenge_Benign_adec4f11b395deafea2068e3798564afa315627b896c857689902e8980749584.exe
Size

83KB
MD5

cdb110489d99a122cb530e11a00f9e4e
SHA1

64600a4d0909a09457b29bef8e0670414d3bc9db
SHA256

a11c135fc20501d7381bf3b5dac78f0d9e1f05f00cab879e9daeca405fc73c7f
SHA512

9c7f69c868de95c094067713e4098e1a7e928d6336060da4414ec6c99db41a17a14ecfdf9d3700265c9957d7e4e4622c9f133b99c5e139b726aebd1dde1744ff
SSDEEP

1536:9FKCVluH6GhIA7zrc33cSiFIznMlc+O38zov1BK1z:iCs6KIA7zNS8Q8zov1B8

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Challenge_Benign_adec4f11b395deafea2068e3798564afa315627b896c857689902e8980749584.exe

Files

Challenge_Benign_adec4f11b395deafea2068e3798564afa315627b896c857689902e8980749584.exe
.exe windows x86

a5634d82d8663e093388af59ea7869a3

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

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

nss3

PK11_HashBuf
SECKEY_DestroyPublicKey
SECKEY_ExtractPublicKey
SECKEY_DecodeDERSubjectPublicKeyInfo
SECKEY_DestroySubjectPublicKeyInfo
VFY_VerifyDigestDirect
SECITEM_FreeItem
PR_ErrorInstallTable
PR_GetError
PR_SetError
SEC_SignData
SECKEY_CopyPrivateKey
SECKEY_CreateSubjectPublicKeyInfo
SECKEY_DestroyPrivateKey
NSS_NoDB_Init
PK11_FreeSlot
PK11_GetInternalSlot
PK11_RandomUpdate
PK11_GenerateKeyPair
PR_CallOnce
PORT_NewArena
PORT_FreeArena
PORT_ArenaAlloc
SECITEM_AllocItem
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
CERT_DestroyCertificate
SECITEM_ItemsAreEqual
PORT_Free
PORT_ZAlloc
PR_GetSpecialFD
PR_Now
SECITEM_DupArray
SECITEM_AllocArray
PR_Assert
SECITEM_CopyItem

kernel32

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

msvcp140

?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JPBD_J@Z
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JPAD_J@Z
?uflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEHXZ
?_BADOFF@std@@3_JB
?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
?_Xbad_alloc@std@@YAXXZ
??_7ios_base@std@@6B@
??_7?$basic_ios@DU?$char_traits@D@std@@@std@@6B@
?sync@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEHXZ

vcruntime140

memcpy
_purecall
memcmp
memset
memmove
__telemetry_main_return_trigger
__std_type_info_destroy_list
__telemetry_main_invoke_trigger
_except_handler4_common

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

fwrite
fclose
fopen_s
fflush
__stdio_common_vsprintf
__p__commode
_set_fmode
__stdio_common_vfprintf
__acrt_iob_func

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

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

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

a5634d82d8663e093388af59ea7869a3

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