neshta | bjj[.]zip

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General

Target

bjj.zip
Size

1.2MB
MD5

d4f3aac49d3433b577e108b9073175d4
SHA1

914d3cd38d92e1f73d60c649b08ae3ab65447ad7
SHA256

93342ba29bb4352232870a25963ee5574fa7d78b29f20776cf8f13dc51432785
SHA512

d2e847d9353bb9af80231b16460a6a87187058701b1cbb181e23dc201df58715a8e6f1f35772590ace81be76ea6da0ecdf6f9672beb9a2ba766e7afc2f520daa
SSDEEP

24576:40zEarfEA0zj/WHdEJ8VAvEiNcYRxq1dkPK2M5k3egc6Wckj1X:VTrKW6Oueck1CPKR8egZ5kR

Score

10^/10

neshta

Malware Config

Signatures

Detect Neshta payload 1 IoCs

resource	yara_rule
static1/unpack001/Defender.Control.2.1/dControl.exe	family_neshta

Neshta family
neshta

Unsigned PE 4 IoCs

Checks for missing Authenticode signature.

resource
unpack001/Defender.Control.2.1/dControl.exe
unpack002/3. Scan network drives/9.1 Finder.exe
unpack002/3. Scan network drives/9.2 NS.exe
unpack003/[email protected]

Files

bjj.zip
.zip
Defender.Control.2.1/dControl.exe
.exe windows:4 windows x86 arch:x86

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI

Sections

CODE
Size: 29KB - Virtual size: 28KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

DATA
Size: 1024B - Virtual size: 536B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

BSS
Size: - Virtual size: 42KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: - Virtual size: 8B

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 512B - Virtual size: 24B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Defender.Control.2.1/dControl.ini
NS.zip
.zip
3. Scan network drives/9.1 Finder.exe
.exe windows:6 windows x86 arch:x86

0b0d8152ea7241cce613146b80a998fd

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

HeapAlloc
WaitForSingleObject
SetVolumeMountPointW
GetLogicalDrives
Sleep
HeapDestroy
HeapCreate
FindNextVolumeW
GetVolumePathNamesForVolumeNameW
GetLastError
WaitForMultipleObjects
ReleaseMutex
CloseHandle
FindFirstVolumeW
CreateThread
lstrcpyA
WriteConsoleW
SetStdHandle
SetFilePointerEx
SetEnvironmentVariableA
FindVolumeClose
CreateMutexW
QueryDosDeviceW
ExitProcess
ReadConsoleW
ReadFile
GetConsoleMode
GetConsoleCP
FlushFileBuffers
HeapSize
GetFileAttributesExW
CreateProcessA
GetExitCodeProcess
RtlUnwind
OutputDebugStringW
LoadLibraryExW
MultiByteToWideChar
HeapFree
IsDebuggerPresent
IsProcessorFeaturePresent
HeapReAlloc
GetCommandLineA
EncodePointer
DecodePointer
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
SetLastError
GetCurrentThreadId
GetProcessHeap
GetModuleHandleExW
GetProcAddress
AreFileApisANSI
WideCharToMultiByte
GetStdHandle
WriteFile
GetModuleFileNameW
EnterCriticalSection
LeaveCriticalSection
UnhandledExceptionFilter
SetUnhandledExceptionFilter
InitializeCriticalSectionAndSpinCount
GetCurrentProcess
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetStartupInfoW
GetModuleHandleW
DeleteCriticalSection
GetFileType
GetModuleFileNameA
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetStringTypeW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
CompareStringW
LCMapStringW
CreateFileW

user32

wsprintfW

mpr

WNetAddConnection2W

iphlpapi

IcmpCreateFile
GetAdaptersInfo
IcmpSendEcho

ws2_32

htonl
gethostbyname
gethostname
inet_addr
inet_ntoa
WSAStartup
ntohl

netapi32

NetShareEnum
NetApiBufferFree

shlwapi

StrStrW

Sections

.text
Size: 92KB - Virtual size: 92KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 27KB - Virtual size: 26KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
3. Scan network drives/9.2 NS.exe
.exe windows:6 windows x86 arch:x86

733f7562c0e84becfc88e3ebc2f59e98

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NO_ISOLATION
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

WaitForSingleObject
GetLogicalDrives
HeapDestroy
HeapCreate
GetLastError
WaitForMultipleObjects
ReleaseMutex
HeapAlloc
CreateThread
lstrcpyA
WriteConsoleW
SetStdHandle
SetFilePointerEx
ReadConsoleW
CreateMutexW
CloseHandle
ExitProcess
ReadFile
GetConsoleMode
GetConsoleCP
FlushFileBuffers
HeapSize
RtlUnwind
OutputDebugStringW
LoadLibraryExW
LCMapStringW
MultiByteToWideChar
HeapFree
HeapReAlloc
GetCommandLineA
IsDebuggerPresent
IsProcessorFeaturePresent
EncodePointer
DecodePointer
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
SetLastError
GetCurrentThreadId
GetProcessHeap
GetModuleHandleExW
GetProcAddress
WideCharToMultiByte
GetStdHandle
WriteFile
GetModuleFileNameW
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
GetFileType
GetStartupInfoW
GetModuleFileNameA
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
GetEnvironmentStringsW
FreeEnvironmentStringsW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
InitializeCriticalSectionAndSpinCount
Sleep
GetCurrentProcess
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetModuleHandleW
GetStringTypeW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
CreateFileW

user32

wsprintfW

mpr

WNetAddConnection2W

iphlpapi

IcmpCreateFile
GetAdaptersInfo
IcmpSendEcho

ws2_32

htonl
gethostbyname
gethostname
inet_addr
inet_ntoa
WSAStartup
ntohl

netapi32

NetShareEnum
NetApiBufferFree

shlwapi

StrStrW

Sections

.text
Size: 84KB - Virtual size: 84KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 23KB - Virtual size: 23KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
[email protected]
.zip
[email protected]
.exe windows:5 windows x86 arch:x86

6fe1a71a390c8ad376ecc9d5cc58c394

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

PDB Paths

C:\Users\Legion\source\repos\curl\Release\curl.pdb

Imports

normaliz

IdnToAscii

wldap32

ord217
ord46
ord211
ord60
ord45
ord50
ord41
ord22
ord26
ord27
ord32
ord33
ord35
ord79
ord30
ord200
ord301
ord143

crypt32

CertFreeCertificateChain
CertGetCertificateChain
CertFreeCertificateChainEngine
CertCreateCertificateChainEngine
CryptQueryObject
CertGetNameStringA
CertFindExtension
CertAddCertificateContextToStore
CryptDecodeObjectEx
PFXImportCertStore
CryptStringToBinaryA
CertOpenStore
CertCloseStore
CertEnumCertificatesInStore
CertFindCertificateInStore
CertFreeCertificateContext

advapi32

CryptHashData
CryptEncrypt
CryptImportKey
CryptDestroyKey
CryptDestroyHash
CryptAcquireContextA
CryptCreateHash
CryptGetHashParam
CryptGenRandom
CryptReleaseContext

kernel32

CreateProcessA
SetStdHandle
HeapReAlloc
HeapSize
GetTimeZoneInformation
FindFirstFileExA
FindNextFileA
GetExitCodeProcess
IsValidCodePage
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableA
GetProcessHeap
WriteConsoleW
SetEndOfFile
CreateDirectoryW
GetLogicalDrives
FindFirstFileW
Process32First
FindNextFileW
TerminateProcess
GetDriveTypeA
FindClose
OpenProcess
CreateToolhelp32Snapshot
Process32Next
CloseHandle
FreeConsole
lstrcmpW
GetLastError
SetLastError
QueryPerformanceCounter
QueryPerformanceFrequency
GetCurrentThread
GetThreadTimes
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
SleepEx
GetSystemDirectoryA
FreeLibrary
GetModuleHandleA
GetProcAddress
LoadLibraryA
GetTickCount
Sleep
MultiByteToWideChar
WideCharToMultiByte
MoveFileExA
WaitForSingleObjectEx
GetEnvironmentVariableA
GetStdHandle
GetFileType
ReadFile
PeekNamedPipe
WaitForMultipleObjects
FormatMessageA
VerSetConditionMask
VerifyVersionInfoA
CreateFileA
GetFileSizeEx
FlushFileBuffers
HeapFree
HeapAlloc
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetConsoleCP
ReadConsoleW
GetConsoleMode
GetACP
GetCommandLineW
GetCommandLineA
WriteFile
GetModuleFileNameA
SetFilePointerEx
ExitThread
FileTimeToSystemTime
SystemTimeToTzSpecificLocalTime
GetDriveTypeW
GetModuleHandleExW
ExitProcess
RaiseException
RtlUnwind
WaitForSingleObject
LoadLibraryW
UnregisterWaitEx
QueryDepthSList
InterlockedFlushSList
GetCurrentDirectoryW
CreateFileW
DeleteFileW
FindFirstFileExW
GetDiskFreeSpaceExW
GetFileAttributesExW
GetFileInformationByHandle
GetFullPathNameW
AreFileApisANSI
GetModuleHandleW
MoveFileExW
FormatMessageW
GetStringTypeW
TryEnterCriticalSection
GetCurrentThreadId
DuplicateHandle
GetCurrentProcess
SwitchToThread
GetExitCodeThread
InitializeCriticalSectionAndSpinCount
CreateEventW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
EncodePointer
DecodePointer
CompareStringW
LCMapStringW
GetLocaleInfoW
GetCPInfo
SetEvent
ResetEvent
InitializeSListHead
IsProcessorFeaturePresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
GetStartupInfoW
GetCurrentProcessId
CreateTimerQueue
SignalObjectAndWait
CreateThread
SetThreadPriority
GetThreadPriority
GetLogicalProcessorInformation
CreateTimerQueueTimer
ChangeTimerQueueTimer
DeleteTimerQueueTimer
GetNumaHighestNodeNumber
GetProcessAffinityMask
SetThreadAffinityMask
RegisterWaitForSingleObject
UnregisterWait
FreeLibraryAndExitThread
GetModuleFileNameW
LoadLibraryExW
GetVersionExW
VirtualAlloc
VirtualProtect
VirtualFree
ReleaseSemaphore
InterlockedPopEntrySList
InterlockedPushEntrySList

ws2_32

getaddrinfo
ntohl
inet_ntoa
inet_addr
closesocket
getsockname
connect
socket
setsockopt
gethostname
freeaddrinfo
ioctlsocket
htons
WSAStartup
WSACleanup
WSAGetLastError
getpeername
ntohs
recv
select
send
bind
getsockopt
WSASetLastError
WSAIoctl
accept
listen
__WSAFDIsSet
sendto
recvfrom
htonl

Sections

.text
Size: 1003KB - Virtual size: 1002KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 223KB - Virtual size: 222KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 27KB - Virtual size: 37KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 512B - Virtual size: 480B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 56KB - Virtual size: 55KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
open_for_back_your_files.txt

Sharing

General

Malware Config

Signatures

Files

Headers

File Characteristics

Sections

CODE Size: 29KB - Virtual size: 28KB

DATA Size: 1024B - Virtual size: 536B

BSS Size: - Virtual size: 42KB

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

.tls Size: - Virtual size: 8B

.rdata Size: 512B - Virtual size: 24B

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

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

0b0d8152ea7241cce613146b80a998fd

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

mpr

iphlpapi

ws2_32

netapi32

shlwapi

Sections

.text Size: 92KB - Virtual size: 92KB

.rdata Size: 27KB - Virtual size: 26KB

.data Size: 4KB - Virtual size: 12KB

733f7562c0e84becfc88e3ebc2f59e98

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

mpr

iphlpapi

ws2_32

netapi32

shlwapi

Sections

.text Size: 84KB - Virtual size: 84KB

.rdata Size: 23KB - Virtual size: 23KB

.data Size: 4KB - Virtual size: 12KB

6fe1a71a390c8ad376ecc9d5cc58c394

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

normaliz

wldap32

crypt32

advapi32

kernel32

ws2_32

Sections

.text Size: 1003KB - Virtual size: 1002KB

.rdata Size: 223KB - Virtual size: 222KB

.data Size: 27KB - Virtual size: 37KB

.rsrc Size: 512B - Virtual size: 480B

.reloc Size: 56KB - Virtual size: 55KB

CODE
Size: 29KB - Virtual size: 28KB

DATA
Size: 1024B - Virtual size: 536B

BSS
Size: - Virtual size: 42KB

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

.tls
Size: - Virtual size: 8B

.rdata
Size: 512B - Virtual size: 24B

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

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

.text
Size: 92KB - Virtual size: 92KB

.rdata
Size: 27KB - Virtual size: 26KB

.data
Size: 4KB - Virtual size: 12KB

.text
Size: 84KB - Virtual size: 84KB

.rdata
Size: 23KB - Virtual size: 23KB

.data
Size: 4KB - Virtual size: 12KB

.text
Size: 1003KB - Virtual size: 1002KB

.rdata
Size: 223KB - Virtual size: 222KB

.data
Size: 27KB - Virtual size: 37KB

.rsrc
Size: 512B - Virtual size: 480B

.reloc
Size: 56KB - Virtual size: 55KB