Behavioral task
behavioral1
Sample
bin/Encoder_Builder_v2.4.exe
Resource
win11-20241007-en
General
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Target
EncoderBuilder password vazonez.rar
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Size
557KB
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MD5
db9a548705cfc15f405f571fddecffe0
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SHA1
c43f7d464a44f442a8a3fb5bd4e77c290c02240f
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SHA256
5986ff1c3dc4ae35fb9747b6b591f527cd1b77393cc3a77b936a46d4b3936c29
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SHA512
0a842a158eee3239b024494d250bc1a81f2d0c53778aa755629d601bfafc53fec06e19c955ea4d0d8b81a4bfcb562f36fbbe806bbaa66734f23c0b877351cf18
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SSDEEP
12288:MAXGxT7VXQsuNcw4GcRxf4u4xO1OBa4dtCtog/8p+lTSG:yT7VXcNYVxgxOArg0klTSG
Malware Config
Signatures
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Detected Xorist Ransomware 2 IoCs
resource yara_rule static1/unpack001/bin/Encoder_Builder_v2.4.exe family_xorist static1/unpack001/src/crypter/crypter.exe family_xorist -
Xorist family
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resource yara_rule static1/unpack001/src/Builder/upx_bin/upx.exe upx -
Unsigned PE 3 IoCs
Checks for missing Authenticode signature.
resource unpack001/bin/Encoder_Builder_v2.4.exe unpack001/src/Builder/upx_bin/upx.exe unpack001/src/crypter/crypter.exe
Files
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EncoderBuilder password vazonez.rar.rar
Password: vazonez
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bin/Encoder_Builder_v2.4.exe.exe windows:4 windows x86 arch:x86
Password: vazonez
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: 428KB - Virtual size: 427KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
DATA Size: 6KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
BSS Size: - Virtual size: 2KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 9KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: - Virtual size: 52B
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: 32KB - Virtual size: 31KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 407KB - Virtual size: 407KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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src/Builder/Builder.bdsproj
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src/Builder/Builder.bdsproj.local
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src/Builder/Builder.cfg
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src/Builder/Builder.dpr
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src/Builder/Builder.identcache
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src/Builder/Builder.res
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src/Builder/Md5.dcu
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src/Builder/Md5.pas
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src/Builder/RESOURCES.PAS
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src/Builder/RESOURCES.dcu
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src/Builder/Strawberry.ico
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src/Builder/Unit1.dcu
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src/Builder/Unit1.dfm
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src/Builder/Unit1.pas.vbs
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src/Builder/upx_bin/build.bat
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src/Builder/upx_bin/upx.RES
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src/Builder/upx_bin/upx.exe.exe windows:4 windows x86 arch:x86
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
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: - Virtual size: 1.2MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 281KB - Virtual size: 284KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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src/Builder/upx_bin/upx.rc
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src/crypter/1.bmp
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src/crypter/Crypter.asm
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src/crypter/Decrypt.asm
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src/crypter/Hash.asm
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src/crypter/Notification.asm
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src/crypter/ReadOptions.asm
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src/crypter/Recursive.asm
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src/crypter/SelfDelete.asm
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src/crypter/TEA.asm
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src/crypter/Window.asm
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src/crypter/build.bat
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src/crypter/crypter.exe.exe windows:4 windows x86 arch:x86
Password: vazonez
0d5a4c77fb840a628560e02b85835ba4
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
user32
RegisterClassExA
PeekMessageA
SendMessageA
LoadCursorA
GetSystemMetrics
GetMessageA
GetDlgItemTextA
EndPaint
SystemParametersInfoA
TranslateMessage
UpdateWindow
MessageBoxA
DispatchMessageA
DefWindowProcA
CreateWindowExA
BeginPaint
kernel32
lstrlenA
CloseHandle
CopyFileA
CreateFileA
ExitProcess
FindClose
FindFirstFileA
FindNextFileA
FindResourceA
FreeResource
GetCommandLineA
GetEnvironmentVariableA
GetFileAttributesA
GetFileSize
GetFileTime
GetLogicalDrives
GetModuleFileNameA
GetModuleHandleA
GetProcessHeap
GetTempPathA
GetWindowsDirectoryA
GlobalFree
HeapAlloc
LoadResource
LockResource
MoveFileA
ReadFile
RtlMoveMemory
SetErrorMode
SetFilePointer
SetFileTime
SizeofResource
WriteFile
lstrcatA
lstrcmpA
lstrcmpiA
lstrcpyA
shell32
ShellExecuteA
SHGetSpecialFolderPathA
advapi32
RegCreateKeyExA
CryptCreateHash
CryptDestroyHash
CryptGetHashParam
RegSetValueExA
RegDeleteKeyA
CryptAcquireContextA
RegCloseKey
CryptReleaseContext
CryptHashData
shlwapi
PathFindFileNameA
PathFindExtensionA
PathAddBackslashA
PathMatchSpecA
gdi32
CreateFontIndirectA
comctl32
InitCommonControls
Sections
.text Size: 6KB - Virtual size: 5KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1KB - Virtual size: 14KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 512B - Virtual size: 184B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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src/crypter/manifest.xml
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src/crypter/rsrc.rc
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src/crypter/stub.RES
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src/crypter/stub.rc