tmp[.]bin | Triage

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General

Target

tmp.bin
Size

625KB
MD5

f13c83007122835d27f6cd079ccaa891
SHA1

e22d6bcf16b19bff3bc096676f2ab7944605454b
SHA256

1949b172e8d4e9135d81bf6df9b492bc3b4ed077b988e9e29afe22e6016f7da7
SHA512

2a63b67eb5841d97c4c472a5e8144a135af63ee5e70115eec8b73077697197b4e3210eb7d48413f45749eacc2ce5ad56346a7360a54b0a5f996d91545ee34c22
SSDEEP

12288:PvxwRbB0H5KUjUPKCuO+ggobwx3AQVrxPg11Q9MMo8EMQ9:Pvx6bB0ZqAHgDS3fCMrvE5

Score

3^/10

Malware Config

Signatures

Unsigned PE 2 IoCs

Checks for missing Authenticode signature.

resource
unpack001/$PLUGINSDIR/System.dll
unpack001/$PLUGINSDIR/nsExec.dll

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

Files

tmp.bin
.exe windows:5 windows x86 arch:x86

f677acae05efabe7411a40902b2d88fb

Code Sign

1c:81:98:c1:a5:9d:a7:48:e0:94:84:91:b3:af:41:be:e0:36:a1:2a
Certificate

Issuer

CN=Leptocephali,OU=Nonimaginarily Unigravida\ ,O=Leptocephali,L=Westlington,ST=England,C=GB,1.2.840.113549.1.9.1=#0c214c6d6d656c616c646572656e404b6f6e66656b74696f6e7366616272692e426f72

Not Before

26/11/2023, 02:16

Not After

25/11/2026, 02:16

Subject

CN=Leptocephali,OU=Nonimaginarily Unigravida\ ,O=Leptocephali,L=Westlington,ST=England,C=GB,1.2.840.113549.1.9.1=#0c214c6d6d656c616c646572656e404b6f6e66656b74696f6e7366616272692e426f72

33:bd:92:34:8b:2e:bf:45:19:c1:48:d1:48:ba:ad:29:e8:77:dd:0b:b0:ac:7a:7c:7e:1b:56:7e:95:ed:64:af
Signer

Actual PE Digest

33:bd:92:34:8b:2e:bf:45:19:c1:48:d1:48:ba:ad:29:e8:77:dd:0b:b0:ac:7a:7c:7e:1b:56:7e:95:ed:64:af

Digest Algorithm

sha256

PE Digest Matches

false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

advapi32

RegCloseKey
RegDeleteKeyA
RegDeleteValueA
RegEnumKeyA
RegEnumValueA
RegQueryValueExA
RegSetValueExA
OpenProcessToken
AdjustTokenPrivileges
LookupPrivilegeValueA
SetFileSecurityA
RegCreateKeyExA
RegOpenKeyExA

shell32

SHBrowseForFolderA
SHFileOperationA
SHGetPathFromIDListA
SHGetFileInfoA
ShellExecuteExA

ole32

OleUninitialize
IIDFromString
OleInitialize
CoTaskMemFree
CoCreateInstance

comctl32

ord17
ImageList_Destroy
ImageList_AddMasked
ImageList_Create

user32

DispatchMessageA
SystemParametersInfoA
LoadCursorA
SetClassLongA
GetSysColor
ScreenToClient
SetCursor
GetWindowRect
TrackPopupMenu
AppendMenuA
EnableMenuItem
CreatePopupMenu
GetSystemMenu
GetSystemMetrics
IsWindowEnabled
EmptyClipboard
SetClipboardData
CloseClipboard
OpenClipboard
CheckDlgButton
EndDialog
DialogBoxParamA
IsWindowVisible
SetWindowPos
CreateWindowExA
GetClassInfoA
RegisterClassA
PeekMessageA
GetMessagePos
CharNextA
ExitWindowsEx
SetWindowTextA
SetTimer
CreateDialogParamA
DestroyWindow
LoadImageA
FindWindowExA
SetWindowLongA
InvalidateRect
ReleaseDC
GetDC
SetForegroundWindow
EnableWindow
GetDlgItem
ShowWindow
IsWindow
PostQuitMessage
SendMessageTimeoutA
SendMessageA
wsprintfA
FillRect
GetClientRect
EndPaint
BeginPaint
DrawTextA
DefWindowProcA
SetDlgItemTextA
GetDlgItemTextA
MessageBoxIndirectA
CallWindowProcA
CharPrevA
GetWindowLongA

gdi32

SetBkMode
CreateBrushIndirect
GetDeviceCaps
SelectObject
DeleteObject
SetBkColor
SetTextColor
CreateFontIndirectA

kernel32

GetTempFileNameA
GetLastError
WaitForSingleObject
RemoveDirectoryA
ReadFile
CreateFileA
CreateDirectoryA
lstrcpynA
GlobalLock
GlobalUnlock
CreateThread
GetDiskFreeSpaceA
CopyFileA
lstrlenA
GetVersionExA
GetWindowsDirectoryA
ExitProcess
GetExitCodeProcess
SetErrorMode
GetTempPathA
SetEnvironmentVariableA
GetCommandLineA
GetModuleFileNameA
GetTickCount
GetFileSize
MultiByteToWideChar
MoveFileA
WritePrivateProfileStringA
GetPrivateProfileStringA
lstrcmpiA
lstrcmpA
MulDiv
GetShortPathNameA
GlobalFree
GlobalAlloc
LoadLibraryExA
GetModuleHandleA
FreeLibrary
Sleep
CloseHandle
SetFileTime
SetFilePointer
SetFileAttributesA
GetFullPathNameA
GetFileAttributesA
FindNextFileA
FindFirstFileA
FindClose
DeleteFileA
CompareFileTime
SearchPathA
SetCurrentDirectoryA
ExpandEnvironmentStringsA
WriteFile
CreateProcessA
WideCharToMultiByte
GetSystemDirectoryA
GetProcAddress
lstrcpyA
lstrcatA
MoveFileExA
GetCurrentProcess

Sections

.text
Size: 26KB - Virtual size: 26KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 3.6MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.ndata
Size: - Virtual size: 108KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 424KB - Virtual size: 423KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
$PLUGINSDIR/System.dll
.dll windows:6 windows x86 arch:x86

595a3fd71239f605bb02d7a5e48fd4df

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

Imports

kernel32

GlobalAlloc
GlobalSize
GlobalFree
lstrcpynA
lstrcpyA
GetLastError
VirtualAlloc
VirtualProtect
VirtualFree
FreeLibrary
GetModuleHandleA
GetProcAddress
LoadLibraryA
lstrlenA
MultiByteToWideChar
WideCharToMultiByte

user32

wsprintfA

ole32

StringFromGUID2
CLSIDFromString

Exports

Exports

Alloc
Call
Copy
Free
Get
Int64Op
Store
StrAlloc

Sections

.text
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1024B - Virtual size: 926B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 68B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 512B - Virtual size: 492B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
$PLUGINSDIR/nsExec.dll
.dll windows:6 windows x86 arch:x86

0d6ae1f1ecbace583969d8eb8b21d1b8

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

Imports

advapi32

SetSecurityDescriptorDacl
InitializeSecurityDescriptor

user32

FindWindowExA
CharNextExA
CharPrevA
CharNextA
OemToCharBuffA
SendMessageA
wsprintfA

kernel32

CopyFileA
GetStartupInfoA
CreateFileMappingA
lstrlenA
lstrcatA
lstrcpyA
lstrcpynA
GetCommandLineA
CreateFileA
DeleteFileA
ReadFile
GetTempFileNameA
CloseHandle
CreatePipe
PeekNamedPipe
WaitForSingleObject
Sleep
GetCurrentProcess
ExitProcess
TerminateProcess
GetExitCodeProcess
CreateProcessA
GetVersion
GetTickCount
MapViewOfFile
UnmapViewOfFile
GetModuleFileNameA
GetModuleHandleA
GetProcAddress
GlobalAlloc
GlobalReAlloc
GlobalFree
lstrcmpiA

Exports

Exports

Exec
ExecToLog
ExecToStack

Sections

.text
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 512B - Virtual size: 252B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
Colodyspepsia.Ska
Ferieaaret/Biofysikkens.Ned
Ferieaaret/disusance.nar
computerspillets.txt

Sharing

General

Malware Config

Signatures

Files

f677acae05efabe7411a40902b2d88fb

Code Sign

1c:81:98:c1:a5:9d:a7:48:e0:94:84:91:b3:af:41:be:e0:36:a1:2aCertificate

33:bd:92:34:8b:2e:bf:45:19:c1:48:d1:48:ba:ad:29:e8:77:dd:0b:b0:ac:7a:7c:7e:1b:56:7e:95:ed:64:afSigner

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

shell32

ole32

comctl32

user32

gdi32

kernel32

Sections

.text Size: 26KB - Virtual size: 26KB

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

.data Size: 512B - Virtual size: 3.6MB

.ndata Size: - Virtual size: 108KB

.rsrc Size: 424KB - Virtual size: 423KB

595a3fd71239f605bb02d7a5e48fd4df

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

ole32

Exports

Exports

Sections

.text Size: 8KB - Virtual size: 8KB

.rdata Size: 1024B - Virtual size: 926B

.data Size: 512B - Virtual size: 68B

.reloc Size: 512B - Virtual size: 492B

0d6ae1f1ecbace583969d8eb8b21d1b8

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

user32

kernel32

Exports

Exports

Sections

.text Size: 3KB - Virtual size: 3KB

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

.data Size: - Virtual size: 1KB

.reloc Size: 512B - Virtual size: 252B

1c:81:98:c1:a5:9d:a7:48:e0:94:84:91:b3:af:41:be:e0:36:a1:2a
Certificate

33:bd:92:34:8b:2e:bf:45:19:c1:48:d1:48:ba:ad:29:e8:77:dd:0b:b0:ac:7a:7c:7e:1b:56:7e:95:ed:64:af
Signer

.text
Size: 26KB - Virtual size: 26KB

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

.data
Size: 512B - Virtual size: 3.6MB

.ndata
Size: - Virtual size: 108KB

.rsrc
Size: 424KB - Virtual size: 423KB

.text
Size: 8KB - Virtual size: 8KB

.rdata
Size: 1024B - Virtual size: 926B

.data
Size: 512B - Virtual size: 68B

.reloc
Size: 512B - Virtual size: 492B

.text
Size: 3KB - Virtual size: 3KB

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

.data
Size: - Virtual size: 1KB

.reloc
Size: 512B - Virtual size: 252B