uhu[.]exe | Triage

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General

Target

uhu.exe
Size

603KB
MD5

29e0e90f9d62c70870f612b27d04d0cb
SHA1

ebae58a60c6fd44a81676b04a46b302c1d742714
SHA256

bef8b31d1337e2d54093ab0289f4dbb9d3ee994346206c3e23ae0fbe5c63b9df
SHA512

2e4425acf57933782a7dfb37ef8a810c2c9b4cacd53c2f965147062057b986f4035a40e60c8ab78f4cc40e089f6a454047425e48b671aca8528fb694937e21ab
SSDEEP

12288:JpqoA6VB+HkNvJ8tfU8NMmQBj4p6KfHDKsTG:LzAsBbNxH8N9O4p6cXi

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
uhu.exe

Files

uhu.exe
.exe windows:6 windows x64 arch:x64

81ed6ada5981e602e219151037684880

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

kernel32

GetSystemDirectoryA
LoadLibraryA
VerifyVersionInfoA
QueryPerformanceCounter
GetTickCount
MoveFileExA
WaitForSingleObjectEx
MultiByteToWideChar
GetEnvironmentVariableA
GetStdHandle
GetFileType
ReadFile
PeekNamedPipe
WaitForMultipleObjects
CreateFileA
GetFileSizeEx
WideCharToMultiByte
OutputDebugStringW
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
GetModuleFileNameA
UnmapViewOfFile
MapViewOfFile
CreateFileMappingW
VirtualProtect
CreateThread
GetCurrentProcess
Sleep
DeleteCriticalSection
InitializeCriticalSectionEx
GetProcessHeap
HeapSize
HeapFree
HeapReAlloc
HeapAlloc
HeapDestroy
GetLastError
VerSetConditionMask
K32EnumProcessModules
K32GetModuleBaseNameA
IsDebuggerPresent
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
SleepConditionVariableSRW
WakeAllConditionVariable
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
AreFileApisANSI
GetTempPathW
GetFileAttributesW
GetLocaleInfoEx
QueryPerformanceFrequency
SleepEx
LeaveCriticalSection
EnterCriticalSection
LocalFree
FormatMessageA
SetLastError
GetModuleHandleW
CreateFileW
GetModuleFileNameW
Process32Next
CreateToolhelp32Snapshot
Process32First
ReadProcessMemory
GetProcAddress
K32GetModuleInformation
GetModuleHandleA
IsWow64Process
CreateRemoteThread
FreeLibrary
VirtualAllocEx
GetNativeSystemInfo
CloseHandle
OpenProcess
LoadLibraryExA
WriteProcessMemory

user32

MessageBoxA

advapi32

ConvertSidToStringSidA
AddAccessAllowedAce
GetLengthSid
GetTokenInformation
InitializeAcl
IsValidSid
SetSecurityInfo
CopySid
CryptAcquireContextA
CryptReleaseContext
CryptGetHashParam
CryptGenRandom
CryptCreateHash
CryptHashData
CryptDestroyHash
CryptDestroyKey
CryptEncrypt
CryptImportKey
OpenProcessToken

shell32

ShellExecuteA

msvcp140

??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAVios_base@1@AEAV21@@Z@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@H@Z
??0?$basic_iostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@@Z
??1?$basic_iostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
?_Xbad_function_call@std@@YAXXZ
?setw@std@@YA?AU?$_Smanip@_J@1@_J@Z
?imbue@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAXAEBVlocale@2@@Z
?sync@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?setbuf@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAPEAV12@PEAD_J@Z
?uflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?_Unlock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA_N_N@Z
??0?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
_Xtime_get_ticks
_Thrd_detach
_Query_perf_counter
_Thrd_sleep
_Cnd_do_broadcast_at_thread_exit
?_Syserror_map@std@@YAPEBDH@Z
?_Xlength_error@std@@YAXPEBD@Z
??Bid@locale@std@@QEAA_KXZ
?always_noconv@codecvt_base@std@@QEBA_NXZ
?_Getcat@?$ctype@D@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?getloc@ios_base@std@@QEBA?AVlocale@2@XZ
??5?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@AEAH@Z
?write@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEBD_J@Z
??1?$basic_ostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEBD_J@Z
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEAD_J@Z
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
?id@?$ctype@D@std@@2V0locale@2@A
?_Fiopen@std@@YAPEAU_iobuf@@PEB_WHH@Z
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?_Winerror_map@std@@YAHH@Z
?_Xout_of_range@std@@YAXPEBD@Z
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?cin@std@@3V?$basic_istream@DU?$char_traits@D@std@@@1@A
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
?_Throw_Cpp_error@std@@YAXH@Z
??0_Lockit@std@@QEAA@H@Z
??1_Lockit@std@@QEAA@XZ
_Query_perf_frequency
?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ

normaliz

IdnToAscii

wldap32

ord46
ord60
ord45
ord50
ord41
ord22
ord143
ord211
ord26
ord27
ord217
ord32
ord33
ord35
ord79
ord30
ord200
ord301

crypt32

CertGetCertificateChain
CertFreeCertificateChainEngine
CertCreateCertificateChainEngine
CryptQueryObject
CertGetNameStringA
CertFindExtension
CertOpenStore
CertFreeCertificateChain
CryptDecodeObjectEx
PFXImportCertStore
CryptStringToBinaryA
CertFreeCertificateContext
CertFindCertificateInStore
CertEnumCertificatesInStore
CertCloseStore
CertAddCertificateContextToStore

ws2_32

send
connect
recv
closesocket
WSAGetLastError
bind
getpeername
getsockname
getsockopt
htons
ntohs
setsockopt
socket
getaddrinfo
select
__WSAFDIsSet
ioctlsocket
listen
htonl
accept
WSAIoctl
WSAStartup
WSASetLastError
WSACleanup
ntohl
freeaddrinfo
sendto
recvfrom
gethostname

rpcrt4

UuidCreate
RpcStringFreeA
UuidToStringA

psapi

GetModuleInformation

userenv

UnloadUserProfile

vcruntime140_1

__CxxFrameHandler4

vcruntime140

__C_specific_handler
__current_exception
__current_exception_context
strstr
__std_exception_destroy
__std_exception_copy
__std_terminate
_CxxThrowException
memchr
memcmp
memcpy
memmove
memset
strchr
strrchr

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

fgetpos
setvbuf
_open
_close
_write
_read
__p__commode
_set_fmode
fgetc
_lseeki64
fclose
__stdio_common_vsprintf
_popen
_pclose
fgets
fflush
ftell
fseek
feof
__stdio_common_vsscanf
fputs
fopen
fsetpos
__stdio_common_vfprintf
__acrt_iob_func
fputc
_get_stream_buffer_pointers
fwrite
_fseeki64
fread
ungetc

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

realloc
malloc
_set_new_mode
free
_callnewh
calloc

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

qsort
srand

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

remove
_access
_unlock_file
_stat64
_stat64i32
_lock_file
_fstat64
_unlink

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

_crt_atexit
_cexit
_seh_filter_exe
_set_app_type
_register_onexit_function
strerror
_initterm
_configure_narrow_argv
_exit
_getpid
__p___argc
__p___argv
_c_exit
_register_thread_local_exe_atexit_callback
_get_initial_narrow_environment
__sys_nerr
_beginthreadex
terminate
abort
exit
_initialize_narrow_environment
_initterm_e
_errno
_resetstkoflw
_initialize_onexit_table
_invalid_parameter_noinfo
_invalid_parameter_noinfo_noreturn

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

_time64
_gmtime64

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

tolower
strpbrk
strcmp
strncmp
strncpy
_strdup
isupper
strspn
strcspn
_stricmp

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

strtoull
strtoul
strtoll
strtol
strtod
atoi

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

localeconv
_configthreadlocale
___lc_codepage_func

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

__setusermatherr
_dclass

Exports

Exports

?mGetExportedFunctionOffset@mProcessFunctions@@YAKAEBQEAUHINSTANCE__@@AEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@Z
?mGetHandle@mProcessFunctions@@YAPEAXAEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@W4ProcessAccess@1@@Z
?mGetModuleAddress@mProcessFunctions@@YA_KAEBQEAXAEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@Z
?mGetModuleAddress@mProcessFunctions@@YA_KAEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@0@Z
?mGetModuleBitness@mProcessFunctions@@YA?AW4Bitness@1@AEBQEAUHINSTANCE__@@@Z
?mGetModuleHandle@mProcessFunctions@@YAPEAUHINSTANCE__@@AEBQEAXAEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@Z
?mGetModuleHandle@mProcessFunctions@@YAPEAUHINSTANCE__@@AEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@0@Z
?mGetPID@mProcessFunctions@@YAKAEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@Z
?mGetPatternAddress@mMemoryFunctions@@YAKPEBD0AEBQEAXQEAUHINSTANCE__@@@Z
?mInjectDLL@mMemoryFunctions@@YA_NAEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@0@Z
?mReadMemory@mMemoryFunctions@@YAPEBXAEBQEAXAEB_K1@Z
?mReadMemory@mMemoryFunctions@@YAPEBXAEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AEB_K1@Z
?mValidateHandle@mProcessFunctions@@YA_NAEAPEAX@Z
?mWriteMemory@mMemoryFunctions@@YA_NAEBQEAXAEB_KAEBQEBX1@Z
?mWriteMemory@mMemoryFunctions@@YA_NAEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AEB_KAEBQEBX1@Z

Sections

.text
Size: 468KB - Virtual size: 468KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 109KB - Virtual size: 109KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 19KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 480B

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

Sharing

General

Malware Config

Signatures

Files

81ed6ada5981e602e219151037684880

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

shell32

msvcp140

normaliz

wldap32

crypt32

ws2_32

rpcrt4

psapi

userenv

vcruntime140_1

vcruntime140

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

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

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

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

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

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

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

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

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

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

Exports

Exports

Sections

.text Size: 468KB - Virtual size: 468KB

.rdata Size: 109KB - Virtual size: 109KB

.data Size: 2KB - Virtual size: 5KB

.pdata Size: 19KB - Virtual size: 19KB

.rsrc Size: 512B - Virtual size: 480B

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

.text
Size: 468KB - Virtual size: 468KB

.rdata
Size: 109KB - Virtual size: 109KB

.data
Size: 2KB - Virtual size: 5KB

.pdata
Size: 19KB - Virtual size: 19KB

.rsrc
Size: 512B - Virtual size: 480B

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