ap-file-$rkyodud[.]exe-1915577914[.]zip

Resubmissions

15/03/2024, 19:50

240315-ykjtgabf52 3

15/03/2024, 19:12

240315-xwtblsgf5v 3

15/03/2024, 19:05

240315-xrj75sge3t 3

Sharing

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General

Target

ap-file-$rkyodud.exe-1915577914.zip
Size

75KB
MD5

8508a49e4469ccb7e0a2428ab30911ec
SHA1

986091bc9856a94e2c0caf7c7f4300587ec82cec
SHA256

61788ffab4abd7d04bd5d7f631f57dd3dbbf02303727367437a373ddec91cce8
SHA512

b0cc0ffe43edd19c1f4970670250af2b992720c977d353213298e004965009c09cb12c047f504cca5c0fbfa6c4747cd1f664564461f3c65a0d8205241387a8f2
SSDEEP

1536:FtOfGjTSS4fgd6GouKqdt9uJxtCpKdcVLsyEdG3yqVLHXZbyYIvPKzl:cGjragGui86c97EdshVzZ/I3W

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/$rkyodud.exe

Files

ap-file-$rkyodud.exe-1915577914.zip
.zip

Password: cautionhandlewithcare
$rkyodud.exe
.exe windows:4 windows x64 arch:x64

Password: cautionhandlewithcare

56c9acf69ea549c552bc3f20eff6f177

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

DeleteCriticalSection
EnterCriticalSection
GetLastError
InitializeCriticalSection
LeaveCriticalSection
SetUnhandledExceptionFilter
Sleep
TlsGetValue
VirtualProtect
VirtualQuery

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

__p__environ
__p__wenviron

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

_set_new_mode
calloc
free
malloc

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

__setusermatherr

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

__C_specific_handler
memcpy

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

__p___argc
__p___argv
__p___wargv
_cexit
_configure_narrow_argv
_configure_wide_argv
_crt_at_quick_exit
_crt_atexit
_exit
_initialize_narrow_environment
_initialize_wide_environment
_initterm
_set_app_type
_set_invalid_parameter_handler
abort
exit
signal

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

__acrt_iob_func
__p__commode
__p__fmode
__stdio_common_vfprintf
__stdio_common_vfwprintf
fwrite

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

strlen
strncmp

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

__daylight
__timezone
__tzname
_tzset

libstdc++-6

_ZNKSt9basic_iosIcSt11char_traitsIcEEntEv
_ZNSirsERi
_ZNSolsEi
_ZSt3cin
_ZSt4cout
_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c

Sections

.text
Size: 11KB - Virtual size: 11KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 256B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pdata
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 384B

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 96B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 156B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/4
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/19
Size: 162KB - Virtual size: 161KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/31
Size: 10KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/45
Size: 10KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/57
Size: 7KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/70
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/81
Size: 7KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/97
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/113
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
$rkyodud.exe.METADATA

Resubmissions

Sharing

General

Malware Config

Signatures

Files

Password: cautionhandlewithcare

Password: cautionhandlewithcare

56c9acf69ea549c552bc3f20eff6f177

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

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

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

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

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

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

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

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

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

libstdc++-6

Sections

.text Size: 11KB - Virtual size: 11KB

.data Size: 512B - Virtual size: 256B

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

.pdata Size: 1KB - Virtual size: 1KB

.xdata Size: 1KB - Virtual size: 1KB

.bss Size: - Virtual size: 384B

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

.CRT Size: 512B - Virtual size: 96B

.tls Size: 512B - Virtual size: 16B

.rsrc Size: 1KB - Virtual size: 1KB

.reloc Size: 512B - Virtual size: 156B

/4 Size: 2KB - Virtual size: 2KB

/19 Size: 162KB - Virtual size: 161KB

/31 Size: 10KB - Virtual size: 10KB

/45 Size: 10KB - Virtual size: 10KB

/57 Size: 7KB - Virtual size: 6KB

/70 Size: 3KB - Virtual size: 3KB

/81 Size: 7KB - Virtual size: 7KB

/97 Size: 5KB - Virtual size: 4KB

/113 Size: 1KB - Virtual size: 1KB

.text
Size: 11KB - Virtual size: 11KB

.data
Size: 512B - Virtual size: 256B

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

.pdata
Size: 1KB - Virtual size: 1KB

.xdata
Size: 1KB - Virtual size: 1KB

.bss
Size: - Virtual size: 384B

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

.CRT
Size: 512B - Virtual size: 96B

.tls
Size: 512B - Virtual size: 16B

.rsrc
Size: 1KB - Virtual size: 1KB

.reloc
Size: 512B - Virtual size: 156B

/4
Size: 2KB - Virtual size: 2KB

/19
Size: 162KB - Virtual size: 161KB

/31
Size: 10KB - Virtual size: 10KB

/45
Size: 10KB - Virtual size: 10KB

/57
Size: 7KB - Virtual size: 6KB

/70
Size: 3KB - Virtual size: 3KB

/81
Size: 7KB - Virtual size: 7KB

/97
Size: 5KB - Virtual size: 4KB

/113
Size: 1KB - Virtual size: 1KB