RC7(1)[.]zip | Triage

Resubmissions

07-07-2024 20:37

240707-zea5taxgnn 10

07-07-2024 20:35

240707-zczemazfkg 10

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General

Target

RC7(1).zip
Size

3.9MB
MD5

b6eeb3ed9e9d7f1a41d7a86f7e21ac09
SHA1

aa8f0e96b3d5cc5795f37d1a178a1b34f9f81d73
SHA256

b49390b4daf62f2820628045a3bc64db1d467e7ae435b56880c37dfa38d8888d
SHA512

86d470d9cf3ca2418fccf9359c392c0411ddbc4374432e70f90e3566bcccac0852a7ff54aa4a8fa7b0c6f166ecf8d5a98e93585aed74ff42fe337a86e41f622b
SSDEEP

98304:SUKRPGV3ekFvrFaqWcYwsKfv8FfttqHJqbkSTEy0FkogNCdu1KWPa79NL:ZKwOk5p+twsgWtUqbV50ysurm9t

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/RC7/RC7Bootstrapper.exe

Files

RC7(1).zip
.zip
RC7/RC7Bootstrapper.exe
.exe windows:4 windows x64 arch:x64

d3be2dc19ba54f7225d7679c3f791cf7

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_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED

Imports

kernel32

CloseHandle
CreateSemaphoreW
DeleteCriticalSection
EnterCriticalSection
GetCurrentThreadId
GetLastError
GetStartupInfoA
InitializeCriticalSection
IsDBCSLeadByteEx
LeaveCriticalSection
MultiByteToWideChar
RaiseException
ReleaseSemaphore
RtlCaptureContext
RtlLookupFunctionEntry
RtlUnwindEx
RtlVirtualUnwind
SetLastError
SetUnhandledExceptionFilter
Sleep
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
VirtualProtect
VirtualQuery
WaitForSingleObject
WideCharToMultiByte

msvcrt

__C_specific_handler
___lc_codepage_func
___mb_cur_max_func
__getmainargs
__initenv
__iob_func
__set_app_type
__setusermatherr
_acmdln
_amsg_exit
_cexit
_commode
_errno
_fmode
_initterm
_onexit
_wcsicmp
_wcsnicmp
abort
calloc
exit
fprintf
fputc
fputs
fputwc
free
fwprintf
fwrite
localeconv
malloc
memcpy
memset
realloc
signal
strcat
strcmp
strerror
strlen
strncmp
strstr
vfprintf
wcscat
wcscpy
wcslen
wcsncmp
wcsstr

Sections

.text
Size: 108KB - Virtual size: 108KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 5.4MB - Virtual size: 5.4MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 16KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pdata
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 9KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

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

.rsrc
Size: 260KB - Virtual size: 260KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 1024B - Virtual size: 824B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
RC7/README.txt

Resubmissions

Sharing

General

Malware Config

Signatures

Files

d3be2dc19ba54f7225d7679c3f791cf7

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

msvcrt

Sections

.text Size: 108KB - Virtual size: 108KB

.data Size: 5.4MB - Virtual size: 5.4MB

.rdata Size: 16KB - Virtual size: 15KB

.pdata Size: 5KB - Virtual size: 4KB

.xdata Size: 4KB - Virtual size: 3KB

.bss Size: - Virtual size: 9KB

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

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

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

.rsrc Size: 260KB - Virtual size: 260KB

.reloc Size: 1024B - Virtual size: 824B

.text
Size: 108KB - Virtual size: 108KB

.data
Size: 5.4MB - Virtual size: 5.4MB

.rdata
Size: 16KB - Virtual size: 15KB

.pdata
Size: 5KB - Virtual size: 4KB

.xdata
Size: 4KB - Virtual size: 3KB

.bss
Size: - Virtual size: 9KB

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

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

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

.rsrc
Size: 260KB - Virtual size: 260KB

.reloc
Size: 1024B - Virtual size: 824B