4bf48438dfaf02c70f065dd4286067d1d3a8f8f8a06a624ce4ad123bc11fafad

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General

Target

4bf48438dfaf02c70f065dd4286067d1d3a8f8f8a06a624ce4ad123bc11fafad
Size

176KB
MD5

592155124c9d85c8d63f6014c1021730
SHA1

a811b85eedc96730439871b2e64ea1888c77e1c7
SHA256

4bf48438dfaf02c70f065dd4286067d1d3a8f8f8a06a624ce4ad123bc11fafad
SHA512

2864bfa326a3079c9c3d766adea9bb6b9fb4496c7eb073e9e4e07afbefb9b9911ce323d80985d7256511fcac5c0f5320866b4f78cfa65af44b170e15320293b4
SSDEEP

3072:hUbgQRtqu9uHsDuhruuoIuuySIuZ4ym9899rNOVB6Q5yAQz9+gYDhVss5QFF0bRP:hUkQRt+4yN9QVB6QMwthXi01w0B

Score

9^/10

cryptone packer

Malware Config

Signatures

CryptOne packer 1 IoCs
Detects CryptOne packer defined in NCC blogpost.
cryptone packer

Processes:

resource yara_rule

sample cryptone

resource	yara_rule
sample	cryptone

Files

4bf48438dfaf02c70f065dd4286067d1d3a8f8f8a06a624ce4ad123bc11fafad
.exe windows x86

8b736bed0c11dede483d7f4f4b843d46

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

msvcrt

_controlfp
__getmainargs
_acmdln
exit
_XcptFilter
_exit
??1type_info@@UAE@XZ
calloc
_beginthreadex
rand
strncat
memset
strtok
wcscpy
_errno
atoi
_iob
rename
strrchr
_except_handler3
free
strcmp
strcat
malloc
__set_app_type
__p__fmode
__p__commode
_adjust_fdiv
__setusermatherr
vsprintf
_initterm
strcpy
memcmp
strlen
_ftol
memmove
_CxxThrowException
__CxxFrameHandler
memcpy
??3@YAXPAX@Z
??2@YAPAXI@Z

ws2_32

gethostname
__WSAFDIsSet
sendto
WSAStartup
listen
accept
getpeername
bind
getsockname
inet_addr
inet_ntoa
send
select
closesocket
ntohs
socket
gethostbyname
htons
connect
setsockopt
WSACleanup
recv

msvcp60

?length@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBEIXZ
??0?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAE@ABV01@@Z
??0?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAE@PBDABV?$allocator@D@1@@Z
??1?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAE@XZ
?c_str@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBEPBDXZ
?find@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBEIABV12@I@Z

kernel32

MultiByteToWideChar
FreeLibrary
GetPrivateProfileSectionNamesA
SetEvent
lstrcpyA
VirtualAlloc
VirtualFree
CloseHandle
LoadLibraryA
GetProcAddress
lstrcmpA
GetVersionExA
CreateDirectoryA
GetDriveTypeA
LocalAlloc
RemoveDirectoryA
WriteFile
CreateProcessA
Sleep
GetLocalTime
CreateEventA
GetProcessHeap
GlobalFree
OutputDebugStringA
ReleaseMutex
SetErrorMode
GetModuleHandleA
GetStartupInfoA
InterlockedExchange
RaiseException
GetLastError
WideCharToMultiByte

Sections

.rdata
Size: 12KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 156KB - Virtual size: 159KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 4KB - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

8b736bed0c11dede483d7f4f4b843d46

Headers

File Characteristics

Imports

msvcrt

ws2_32

msvcp60

kernel32

Sections

.rdata Size: 12KB - Virtual size: 10KB

.data Size: 156KB - Virtual size: 159KB

.rsrc Size: 4KB - Virtual size: 16B

.rdata
Size: 12KB - Virtual size: 10KB

.data
Size: 156KB - Virtual size: 159KB

.rsrc
Size: 4KB - Virtual size: 16B