chgusr[.]exe | Triage

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General

Target

chgusr.exe
Size

22KB
MD5

d686812456a76d1fd64334b1967e5051
SHA1

4d3d670b1df78a805a9601ec861f0b3b874f344c
SHA256

074b4a36e0cc697e4146ea3873bfd25ebb067f2a937930e4d8393340f84f0d32
SHA512

d53fb3510c1a0f5411d1f8ef04456672d547bfabe02063b114b516162caf99a59c06c8b1efd721e0b4be0e924038845fa55f28260c254ac67682ce97a5f3296f
SSDEEP

384:cGcZkm+OYbUHJjtm3tJT52DZZ8sSv6u2i89xP95ElC1H0aAKWDVW:cGcZkbJUHJjtmvkZZ8DfanPk/

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
chgusr.exe

Files

chgusr.exe
.exe windows x64

ea17270b67fae16b05714fd14be68ea3

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

RegOpenKeyExW
RegQueryValueExW
RegCloseKey
SetLastError
GetCommandLineW
LocalAlloc
LocalFree
GetStdHandle
MultiByteToWideChar
FormatMessageW
LoadLibraryW
WriteConsoleW
GetModuleHandleW
FreeLibrary
SetTermsrvAppInstallMode
VerSetConditionMask
VerifyVersionInfoW
FindFirstFileW
FindNextFileW
FindClose
GetFileAttributesW
RtlLookupFunctionEntry
RtlCaptureContext
Sleep
UnhandledExceptionFilter
GetLastError
GetTickCount
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
TerminateProcess
GetCurrentProcess
SetUnhandledExceptionFilter
TermsrvAppInstallMode
SetThreadUILanguage
HeapSetInformation
GetConsoleOutputCP
GetFileType
RtlVirtualUnwind

user32

LoadStringW

ntdll

RtlFreeSid
RtlAllocateAndInitializeSid

advapi32

CheckTokenMembership

msvcrt

wcscpy_s
_ultoa
wcscat_s
vswprintf_s
wcschr
free
vfwprintf
fwprintf
malloc
wcstol
wcstoul
_wcsnicmp
_wcsdup
_wsetlocale
_XcptFilter
_amsg_exit
__getmainargs
__set_app_type
exit
_exit
_cexit
__setusermatherr
_initterm
__C_specific_handler
_fmode
_commode
?terminate@@YAXXZ
memmove
setlocale
swprintf_s
_wcslwr
__iob_func
memset

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 512B - Virtual size: 504B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 72B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

ea17270b67fae16b05714fd14be68ea3

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

ntdll

advapi32

msvcrt

Sections

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

.rdata Size: 5KB - Virtual size: 5KB

.data Size: 512B - Virtual size: 6KB

.pdata Size: 512B - Virtual size: 504B

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

.reloc Size: 512B - Virtual size: 72B

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

.rdata
Size: 5KB - Virtual size: 5KB

.data
Size: 512B - Virtual size: 6KB

.pdata
Size: 512B - Virtual size: 504B

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

.reloc
Size: 512B - Virtual size: 72B