chgusr[.]exe | Triage

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General

Target

chgusr.exe
Size

21KB
MD5

ac40ceec8aae25f83b7836938aa9efb9
SHA1

9d5da14ca765e02e8e11973db76a93fa5164111a
SHA256

859843b16a80fe37cf1aee29f0483bd7c8d73122b035643041c3b9f93efce61a
SHA512

dc23d26664785d5cfc43bfc192b78ce46d1b2883d80ad8265cd5ab83ff75f7d477383f4c2ecce4036deebb6568706bf0359a027bce8ab5ffa6d5f4fcdd78f87b
SSDEEP

384:Cg2dfSlNBvwQVHBv7uM7nVEX55L7A+bAjlTDoCx3t3CRfKoHeOFKWBVW:Cg2grlwi9tnQ5A+bSzxdxtOF9

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
chgusr.exe

Files

chgusr.exe
.exe windows:6 windows x64

dbe16fd68db113b101dfa69ff6a78872

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

user32

LoadStringW

ntdll

RtlAllocateAndInitializeSid
RtlFreeSid

advapi32

CheckTokenMembership

msvcrt

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

Sections

.text
Size: 13KB - Virtual size: 12KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
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: 468B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

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: 76B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

dbe16fd68db113b101dfa69ff6a78872

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

ntdll

advapi32

msvcrt

Sections

.text Size: 13KB - Virtual size: 12KB

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

.pdata Size: 512B - Virtual size: 468B

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

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

.reloc Size: 512B - Virtual size: 76B

.text
Size: 13KB - Virtual size: 12KB

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

.pdata
Size: 512B - Virtual size: 468B

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

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

.reloc
Size: 512B - Virtual size: 76B