sample[.]rar | Triage

Resubmissions

15/04/2024, 16:05

240415-tjfyzacg2s 3

15/04/2024, 16:02

240415-tgwxeaad85 5

15/04/2024, 16:01

240415-tgh1jscf6x 3

15/04/2024, 16:00

240415-tfv9gsad64 3

Sharing

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General

Target

sample.rar
Size

15KB
MD5

5ec996265356695db3081ce66b8b6e69
SHA1

691679d2f8f8a2b0b42f361f263ee49e33f1f6c2
SHA256

51027dfe73b32c97e0a93b4d496be093cc95b45214b7eb6ffbabb53a9739a4f8
SHA512

91ae1eee418000c767714c031d41ed86ffba7ed54dd9d3fecb018c28d445fb4045880f78bddc6a020d6363e322af5117f39ce318a252fc2ab7383ae1858039c3
SSDEEP

384:wAfy229LByjrtYab7S6byv7HSfK3hLcW78KMRWMfA:8229Nyjn3Cv7D3RcW45YMI

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/UAH-REM-PEF-202324.dll

Files

sample.rar
.rar
UAH-REM-PEF-202324.dll
.dll windows:6 windows x64 arch:x64

b22fcb37a9154322cef62957c80f73a2

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL

PDB Paths

C:\Users\javie\source\repos\UAH-REM-202324\x64\Debug\UAH-REM-202324.pdb

Imports

kernel32

Sleep
lstrlenW
IsDebuggerPresent
RaiseException
MultiByteToWideChar
WideCharToMultiByte
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
DisableThreadLibraryCalls
InitializeSListHead
GetStartupInfoW
GetModuleHandleW
GetLastError
HeapAlloc
HeapFree
GetProcessHeap
VirtualQuery
FreeLibrary
GetProcAddress
GetCurrentThreadId

user32

keybd_event
GetKeyboardState

netapi32

NetUserEnum
NetApiBufferFree

msvcp140d

_Xtime_get_ticks
_Thrd_sleep
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@PEBX@Z

vcruntime140d

__std_type_info_destroy_list
__vcrt_GetModuleHandleW
__current_exception_context
__vcrt_GetModuleFileNameW
__C_specific_handler_noexcept
_CxxThrowException
__std_exception_destroy
memcpy
__C_specific_handler
__current_exception
__std_exception_copy
__vcrt_LoadLibraryExW

ucrtbased

_free_dbg
wcscpy_s
_wsplitpath_s
_wmakepath_s
terminate
_cexit
_crt_at_quick_exit
_crt_atexit
_execute_onexit_table
_register_onexit_function
_initialize_onexit_table
_initialize_narrow_environment
_configure_narrow_argv
_seh_filter_dll
strcat_s
strcpy_s
_initterm_e
_initterm
malloc
_callnewh
_CrtDbgReportW
_CrtDbgReport
__stdio_common_vsscanf
__stdio_common_vfprintf
__acrt_iob_func
_mktime64
_wassert
calloc
__stdio_common_vsprintf_s

Exports

Exports

doit

Sections

.textbss
Size: - Virtual size: 64KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.text
Size: 43KB - Virtual size: 42KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 16KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 9KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.msvcjmc
Size: 1024B - Virtual size: 626B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.00cfg
Size: 512B - Virtual size: 373B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1024B - Virtual size: 766B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
run.cmd

Resubmissions

Sharing

General

Malware Config

Signatures

Files

b22fcb37a9154322cef62957c80f73a2

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

netapi32

msvcp140d

vcruntime140d

ucrtbased

Exports

Exports

Sections

.textbss Size: - Virtual size: 64KB

.text Size: 43KB - Virtual size: 42KB

.rdata Size: 16KB - Virtual size: 16KB

.data Size: 1KB - Virtual size: 3KB

.pdata Size: 9KB - Virtual size: 9KB

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

.msvcjmc Size: 1024B - Virtual size: 626B

.00cfg Size: 512B - Virtual size: 373B

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

.reloc Size: 1024B - Virtual size: 766B

.textbss
Size: - Virtual size: 64KB

.text
Size: 43KB - Virtual size: 42KB

.rdata
Size: 16KB - Virtual size: 16KB

.data
Size: 1KB - Virtual size: 3KB

.pdata
Size: 9KB - Virtual size: 9KB

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

.msvcjmc
Size: 1024B - Virtual size: 626B

.00cfg
Size: 512B - Virtual size: 373B

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

.reloc
Size: 1024B - Virtual size: 766B