Static task
static1
Behavioral task
behavioral1
Sample
kerorira/4A19B04B.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
kerorira/4A19B04B.exe
Resource
win10v2004-20230703-en
Behavioral task
behavioral3
Sample
kerorira/68F6C85E.exe
Resource
win7-20230712-en
Behavioral task
behavioral4
Sample
kerorira/68F6C85E.exe
Resource
win10v2004-20230703-en
General
-
Target
kerorira.rar
-
Size
1.7MB
-
MD5
6d626e8a583588f6c1a7cee7d37ddbce
-
SHA1
dfce251013b601a38535ed0651596a9f8b17ddd2
-
SHA256
dda1b2debf5d57c70372120b05155023d9a6077ba807a400c5849f204a143348
-
SHA512
48b477aa90ba55a5c6f8b05013cdb7c5dcc2e21b99ad7a80101e825f84732698c47661ff31f5ca244abe2929f11808d2cb90db2624f658d4f394955aa4b5c0d9
-
SSDEEP
49152:QV50D5OlcEANfCfRgYXLGf8JySSNoV0OljUqq:s0dOlRANfCfRgYaf+dTVHO
Malware Config
Signatures
-
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/kerorira/4A19B04B.exe unpack001/kerorira/68F6C85E.exe
Files
-
kerorira.rar.rar
-
kerorira/4A19B04B.exe.exe windows x86
d619eda1a774da262071361b928bb2e4
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
LoadLibraryA
lstrcpyA
lstrcatA
lstrlenA
GetSystemDirectoryA
GetProcAddress
GetModuleHandleA
_lclose
GetModuleFileNameA
_lread
_llseek
_lopen
_lwrite
_lcreat
CreateDirectoryA
SetCurrentDirectoryA
GetDiskFreeSpaceA
GetFileAttributesA
CompareStringA
DeleteFileA
GetTempPathA
GetCurrentDirectoryA
CloseHandle
GetExitCodeProcess
GetLastError
LocalFree
GetCurrentProcess
MoveFileExA
GetStringTypeW
MultiByteToWideChar
LCMapStringW
HeapReAlloc
RtlUnwind
HeapSize
Sleep
RemoveDirectoryA
FreeLibrary
IsValidCodePage
GetOEMCP
GetModuleHandleW
ExitProcess
DecodePointer
HeapFree
HeapAlloc
GetCommandLineA
HeapSetInformation
GetStartupInfoW
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
EncodePointer
LoadLibraryW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
InterlockedIncrement
SetLastError
GetCurrentThreadId
InterlockedDecrement
WriteFile
GetStdHandle
GetModuleFileNameW
IsProcessorFeaturePresent
HeapCreate
FreeEnvironmentStringsW
WideCharToMultiByte
GetEnvironmentStringsW
SetHandleCount
GetFileType
QueryPerformanceCounter
GetTickCount
GetCurrentProcessId
GetSystemTimeAsFileTime
GetCPInfo
GetACP
user32
TranslateMessage
DispatchMessageA
PeekMessageA
wsprintfA
LoadCursorA
SetCursor
MessageBoxA
MsgWaitForMultipleObjects
advapi32
GetTokenInformation
OpenProcessToken
shell32
ShellExecuteExA
Sections
.text Size: 23KB - Virtual size: 22KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 12KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 93KB - Virtual size: 93KB
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
-
kerorira/68F6C85E.exe.exe windows x64
62284851bd7c4ba723a3bce6824f2100
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
mfc140u
ord983
ord1450
ord12923
ord7716
ord4317
ord13545
ord4445
ord3332
ord6614
ord9941
ord5555
ord12606
ord11901
ord11933
ord10124
ord7920
ord11929
ord11921
ord5706
ord3731
ord6122
ord14289
ord6123
ord14290
ord6121
ord290
ord7719
ord12212
ord14088
ord11665
ord11664
ord2011
ord7668
ord12625
ord3949
ord4011
ord9089
ord14216
ord7650
ord14210
ord12223
ord12222
ord2439
ord5183
ord8023
ord12544
ord8084
ord8167
ord6287
ord1504
ord2212
ord4656
ord1503
ord286
ord1501
ord296
ord266
ord7913
ord11771
ord3718
ord11902
ord8947
ord13354
ord7393
ord3812
ord8900
ord6619
ord1369
ord878
ord11806
ord7394
ord1454
ord990
ord11486
ord3098
ord10093
ord11184
ord4443
ord3723
ord5189
ord11484
ord11491
ord9043
ord8521
ord5744
ord11119
ord5726
ord13358
ord5727
ord13360
ord7432
ord1767
ord12142
ord5917
ord4873
ord4872
ord8097
ord6250
ord6002
ord13401
ord3212
ord3209
ord7912
ord2698
ord14360
ord9976
ord9978
ord9975
ord9979
ord5451
ord11414
ord11415
ord8830
ord11763
ord3714
ord11625
ord14209
ord8656
ord11862
ord4353
ord2510
ord6729
ord10691
ord8928
ord3173
ord13513
ord11944
ord11940
ord1700
ord8058
ord5723
ord1722
ord1748
ord1734
ord1755
ord4776
ord4843
ord4788
ord4806
ord4800
ord4794
ord4853
ord4837
ord4782
ord4859
ord4814
ord4752
ord4767
ord4828
ord4360
ord9384
ord4352
ord2967
ord14211
ord7651
ord14217
ord6631
ord11406
ord13351
ord5722
ord2629
ord3811
ord3279
ord3278
ord11850
ord5080
ord5363
ord5552
ord9041
ord5339
ord5582
ord5083
ord5229
ord5062
ord7460
ord7461
ord7450
ord5227
ord7922
ord9946
ord8904
ord13199
ord11063
ord3172
ord8995
ord2316
ord6320
ord3756
ord1089
ord450
ord11788
ord1129
ord8409
ord4511
ord12443
ord1671
ord1422
ord954
ord546
ord7251
ord6916
ord294
ord1631
ord265
ord280
ord1033
ord1678
ord1034
ord310
ord2903
ord3728
ord2801
ord14227
ord1670
ord11644
ord1120
ord488
ord12786
ord1964
ord12013
ord11674
ord5499
ord2298
ord533
ord13406
ord11813
ord11085
ord10163
ord2270
ord3951
ord3308
ord3307
ord3071
ord6000
ord13397
ord2697
ord11855
ord8926
ord8901
ord285
ord8731
ord10704
ord5709
ord7235
ord9977
ord1091
ord2921
ord3081
ord1667
ord1489
ord2370
ord14288
ord1491
kernel32
CreateFileW
Sleep
GetLastError
WideCharToMultiByte
MultiByteToWideChar
GlobalAlloc
WriteFile
GlobalFree
DeleteFileW
GetTempPathW
InitializeCriticalSectionEx
DeleteCriticalSection
CreateMutexW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
CreateEventW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
CloseHandle
GetCurrentProcess
lstrcmpW
GetModuleHandleW
GetTimeZoneInformation
GetSystemTime
GetComputerNameW
LoadLibraryW
OutputDebugStringW
GetProcAddress
user32
LoadCursorW
EnableWindow
SendMessageW
gdi32
GetObjectW
BitBlt
SelectObject
GetDIBits
DeleteObject
gdiplus
GdiplusStartup
GdiplusShutdown
GdipDrawImageRectI
GdipSetInterpolationMode
GdipDeleteGraphics
GdipGetImageGraphicsContext
GdipCreateBitmapFromScan0
GdipGetImageHeight
GdipGetImageWidth
GdipGetImageEncoders
GdipGetImageEncodersSize
GdipSaveImageToFile
GdipDisposeImage
GdipCloneImage
GdipAlloc
GdipFree
GdipCreateBitmapFromFileICM
GdipCreateBitmapFromFile
msvcp140
??1?$basic_iostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
?_Xbad_alloc@std@@YAXXZ
?_Xout_of_range@std@@YAXPEBD@Z
?_Xlength_error@std@@YAXPEBD@Z
??Bid@locale@std@@QEAA_KXZ
?always_noconv@codecvt_base@std@@QEBA_NXZ
??0_Lockit@std@@QEAA@H@Z
??1_Lockit@std@@QEAA@XZ
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
?_BADOFF@std@@3_JB
?_Fiopen@std@@YAPEAU_iobuf@@PEB_WHH@Z
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@@Z
??0?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??0?$basic_iostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@@Z
?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?_Unlock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
?uflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEAD_J@Z
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEBD_J@Z
?setbuf@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAPEAV12@PEAD_J@Z
?sync@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?imbue@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAXAEBVlocale@2@@Z
??1?$basic_istream@DU?$char_traits@D@std@@@std@@UEAA@XZ
version
GetFileVersionInfoSizeW
VerQueryValueW
GetFileVersionInfoW
crypt32
CryptBinaryToStringA
ws2_32
WSAStartup
gethostname
gethostbyname
WSACleanup
inet_ntoa
vcruntime140
__std_terminate
memmove
__std_exception_copy
__std_exception_destroy
memset
__C_specific_handler
__CxxFrameHandler3
__vcrt_InitializeCriticalSectionEx
memcpy
_CxxThrowException
api-ms-win-crt-runtime-l1-1-0
_initialize_wide_environment
_invalid_parameter_noinfo
_errno
terminate
_crt_atexit
_register_onexit_function
_initialize_onexit_table
_seh_filter_exe
_register_thread_local_exe_atexit_callback
_c_exit
_cexit
_set_app_type
_exit
exit
_initterm_e
_initterm
_get_wide_winmain_command_line
_invalid_parameter_noinfo_noreturn
_configure_wide_argv
api-ms-win-crt-string-l1-1-0
_wcsicmp
api-ms-win-crt-heap-l1-1-0
free
_set_new_mode
malloc
api-ms-win-crt-stdio-l1-1-0
_set_fmode
__p__commode
fclose
_get_stream_buffer_pointers
fwrite
fgetpos
_fseeki64
fsetpos
setvbuf
fflush
fgetc
fputc
ungetc
api-ms-win-crt-utility-l1-1-0
rand
srand
api-ms-win-crt-time-l1-1-0
_time64
api-ms-win-crt-filesystem-l1-1-0
_unlock_file
_lock_file
api-ms-win-crt-math-l1-1-0
__setusermatherr
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
Sections
.text Size: 38KB - Virtual size: 37KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 31KB - Virtual size: 31KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gfids Size: 512B - Virtual size: 52B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.tls Size: 512B - Virtual size: 9B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 17KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ