Loader[.]zip | Triage

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General

Target

Loader.zip
Size

17.5MB
MD5

8f1d5a20e314a88351cce7205a769fae
SHA1

2d6ca2584920d630c3cfa7c9c356f53ba9746e1a
SHA256

21bbfc2c9aa4d7ab15f3c2ec8c0898f8ffe7f8ab504cdbf59e0b24ea5fafcb3d
SHA512

0592aa950f35f411e08df6efaac8e20e23548db39f130a0dc4ec23e2204998fb4940ec1b22805ed415beb5ebceaa837162b624365cd27f157003857516f7531b
SSDEEP

393216:WcxMYM3C32Fog61YgKyqppsLUG8GKhMUETqCqKq:WcxbyC32yWLhpPGFKqrqdKq

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/ST_Internal_Loader(V14).exe

Files

Loader.zip
.zip
ST_Internal_Loader(V14).exe
.exe windows:6 windows x64 arch:x64

ebb84c2d5d656efc2abe269b257816f5

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

WriteProcessMemory
GetSystemTimeAsFileTime
HeapAlloc
HeapFree
ExitProcess
LoadLibraryA
GetModuleHandleA
GetProcAddress

user32

FindWindowW

shell32

ShellExecuteA

msvcp140

??0?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z

wininet

InternetOpenA

vcruntime140_1

__CxxFrameHandler4

vcruntime140

__current_exception

api-ms-win-crt-runtime-l1-1-0

_initialize_narrow_environment

api-ms-win-crt-stdio-l1-1-0

fgetc

api-ms-win-crt-heap-l1-1-0

free

api-ms-win-crt-math-l1-1-0

__setusermatherr

api-ms-win-crt-filesystem-l1-1-0

_lock_file

api-ms-win-crt-locale-l1-1-0

_configthreadlocale

Sections

.text
Size: - Virtual size: 48KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xorstr0
Size: - Virtual size: 11.9MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.xorstr1
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.xorstr2
Size: 20.0MB - Virtual size: 20.0MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 280B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 15KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
설명서.txt

Sharing

General

Malware Config

Signatures

Files

ebb84c2d5d656efc2abe269b257816f5

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

shell32

msvcp140

wininet

vcruntime140_1

vcruntime140

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-heap-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-filesystem-l1-1-0

api-ms-win-crt-locale-l1-1-0

Sections

.text Size: - Virtual size: 48KB

.rdata Size: - Virtual size: 16KB

.data Size: - Virtual size: 2KB

.pdata Size: - Virtual size: 1KB

.xorstr0 Size: - Virtual size: 11.9MB

.xorstr1 Size: 3KB - Virtual size: 2KB

.xorstr2 Size: 20.0MB - Virtual size: 20.0MB

.reloc Size: 512B - Virtual size: 280B

.rsrc Size: 15KB - Virtual size: 15KB

.text
Size: - Virtual size: 48KB

.rdata
Size: - Virtual size: 16KB

.data
Size: - Virtual size: 2KB

.pdata
Size: - Virtual size: 1KB

.xorstr0
Size: - Virtual size: 11.9MB

.xorstr1
Size: 3KB - Virtual size: 2KB

.xorstr2
Size: 20.0MB - Virtual size: 20.0MB

.reloc
Size: 512B - Virtual size: 280B

.rsrc
Size: 15KB - Virtual size: 15KB