upuser[.]exe | Triage

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General

Target

upuser.exe
Size

112KB
MD5

05d9c819f08114c9c85492988f1b5f42
SHA1

2fec1f4f9d422de7503c0e5232e4b8301d5292b2
SHA256

9e70804f2e06f9fcd7a81ecba1afbaf32ca71fa092ff9468973994c0c399ddf3
SHA512

3cc899f487a6eee0785dd0e2beff0b0b4e29e2c210413e0c4d54a24c83b0a8614b94ac2cdf2219f72646ecb9a02ac56085ebae46ae0f9df98b6199173d529f3f
SSDEEP

1536:36MckeS+t3NI0zQIEZWGwZKQcB9ochV/WEIXAsngu5NLquivH0TIiLlGt5wa:3bZKFNIVEzMDu7Mwa

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
upuser.exe

Files

upuser.exe
.exe windows:4 windows x64

b5217f969ca31ce0344e6f43054a8f8e

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

msvcrt

__C_specific_handler
__getmainargs
__initenv
__iob_func
__set_app_type
__setusermatherr
_amsg_exit
_cexit
_commode
_fmode
_initterm
_onexit
abort
calloc
exit
fprintf
free
fwrite
malloc
memcpy
signal
strlen
strncmp
system
vfprintf

Sections

.text
Size: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 128B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pdata
Size: 1024B - Virtual size: 528B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 512B - Virtual size: 396B

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: 1KB - Virtual size: 1KB

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

.reloc
Size: 512B - Virtual size: 120B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/4
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/19
Size: 39KB - Virtual size: 38KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/31
Size: 7KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/45
Size: 7KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/57
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/70
Size: 1024B - Virtual size: 707B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/81
Size: 4KB - Virtual size: 3KB

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: 512B - Virtual size: 405B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

b5217f969ca31ce0344e6f43054a8f8e

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

msvcrt

Sections

.text Size: 6KB - Virtual size: 5KB

.data Size: 512B - Virtual size: 128B

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

.pdata Size: 1024B - Virtual size: 528B

.xdata Size: 512B - Virtual size: 396B

.bss Size: - Virtual size: 384B

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

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

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

.reloc Size: 512B - Virtual size: 120B

/4 Size: 1KB - Virtual size: 1KB

/19 Size: 39KB - Virtual size: 38KB

/31 Size: 7KB - Virtual size: 7KB

/45 Size: 7KB - Virtual size: 6KB

/57 Size: 3KB - Virtual size: 2KB

/70 Size: 1024B - Virtual size: 707B

/81 Size: 4KB - Virtual size: 3KB

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

/113 Size: 512B - Virtual size: 405B

.text
Size: 6KB - Virtual size: 5KB

.data
Size: 512B - Virtual size: 128B

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

.pdata
Size: 1024B - Virtual size: 528B

.xdata
Size: 512B - Virtual size: 396B

.bss
Size: - Virtual size: 384B

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

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

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

.reloc
Size: 512B - Virtual size: 120B

/4
Size: 1KB - Virtual size: 1KB

/19
Size: 39KB - Virtual size: 38KB

/31
Size: 7KB - Virtual size: 7KB

/45
Size: 7KB - Virtual size: 6KB

/57
Size: 3KB - Virtual size: 2KB

/70
Size: 1024B - Virtual size: 707B

/81
Size: 4KB - Virtual size: 3KB

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

/113
Size: 512B - Virtual size: 405B