loader[.]zip | Triage

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General

Target

loader.zip
Size

40.8MB
MD5

6051c7c993624477cc11c8e5c3d430d6
SHA1

243c649efeb616061a0600e8ab140eeed86b1bd1
SHA256

277d627693d55426e65aa09e3d9e517cfc4d5ccd82b0d21a25d690cc175ef28f
SHA512

7017f4dbf6af698cc46ee0f08f279359c664975db8d30533b8c389ee9a2756afc0d1f32bcfb82603f1f22bed7a85ee3bde272fa7e968edf1a65d256da0c1149f
SSDEEP

786432:1xnYruhNjM5lej5+RTRp0UJldq6WIt8+4BwgiQJHCS4HR:HYruHjM5l5r+U51tv+t1CS4HR

Score

3^/10

Malware Config

Signatures

Unsigned PE 2 IoCs

Checks for missing Authenticode signature.

resource
unpack001/latest.dll
unpack001/loader.exe

Files

loader.zip
.zip
latest.dll
.dll windows:6 windows x64 arch:x64

b4fc86e08276c25dd99e5b5d1d6618cc

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL

Imports

ntdll

RtlCaptureContext

kernel32

GetVersionExW
GetSystemTimeAsFileTime
HeapAlloc
HeapFree
ExitProcess
LoadLibraryA
GetModuleHandleA
GetProcAddress

user32

GetWindowTextW

advapi32

RegGetValueA

shell32

SHGetKnownFolderPath

ole32

CoInitializeSecurity

oleaut32

VariantClear

bcrypt

BCryptGenRandom

api-ms-win-core-profile-l1-1-0

QueryPerformanceFrequency

api-ms-win-core-libraryloader-l1-2-0

GetModuleFileNameA

api-ms-win-core-string-obsolete-l1-1-0

lstrlenW

api-ms-win-core-registry-l1-1-0

RegOpenKeyExW

api-ms-win-core-file-l1-1-0

WriteFile

api-ms-win-core-namedpipe-l1-1-0

WaitNamedPipeW

api-ms-win-core-console-l1-1-0

WriteConsoleW

d3dcompiler_47

D3DCompile

api-ms-win-core-heap-l2-1-0

GlobalFree

api-ms-win-core-sysinfo-l1-2-0

VerSetConditionMask

api-ms-win-core-localization-l1-2-0

FormatMessageW

api-ms-win-core-synch-l1-1-0

WaitForSingleObject

ws2_32

closesocket

api-ms-win-core-sysinfo-l1-1-0

GetSystemDirectoryW

api-ms-win-core-file-l2-1-0

MoveFileExW

api-ms-win-security-cryptoapi-l1-1-0

CryptHashData

crypt32

CertCreateCertificateChainEngine

api-ms-win-core-processenvironment-l1-1-0

GetEnvironmentVariableA

api-ms-win-core-synch-l1-2-1

WaitForMultipleObjects

api-ms-win-core-kernel32-legacy-l1-1-1

VerifyVersionInfoW

imm32

ImmGetContext

Sections

.text
Size: - Virtual size: 15.2MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: - Virtual size: 7.3MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: - Virtual size: 1.3MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: - Virtual size: 395KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.lllllll
Size: - Virtual size: 23.4MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.lllllll
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.lllllll
Size: 34.2MB - Virtual size: 34.2MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 300B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 233B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
loader.exe
.exe windows:6 windows x64 arch:x64

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Sections

Size: 549KB - Virtual size: 1.2MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

Size: 102KB - Virtual size: 293KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Size: 4.1MB - Virtual size: 5.6MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Size: 23KB - Virtual size: 65KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Size: 43KB - Virtual size: 127KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Size: 2KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.idata
Size: 1024B - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 4KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 127KB - Virtual size: 127KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.fuckoff
Size: - Virtual size: 9.0MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.boot
Size: 4.3MB - Virtual size: 4.3MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

b4fc86e08276c25dd99e5b5d1d6618cc

Headers

DLL Characteristics

File Characteristics

Imports

ntdll

kernel32

user32

advapi32

shell32

ole32

oleaut32

bcrypt

api-ms-win-core-profile-l1-1-0

api-ms-win-core-libraryloader-l1-2-0

api-ms-win-core-string-obsolete-l1-1-0

api-ms-win-core-registry-l1-1-0

api-ms-win-core-file-l1-1-0

api-ms-win-core-namedpipe-l1-1-0

api-ms-win-core-console-l1-1-0

d3dcompiler_47

api-ms-win-core-heap-l2-1-0

api-ms-win-core-sysinfo-l1-2-0

api-ms-win-core-localization-l1-2-0

api-ms-win-core-synch-l1-1-0

ws2_32

api-ms-win-core-sysinfo-l1-1-0

api-ms-win-core-file-l2-1-0

api-ms-win-security-cryptoapi-l1-1-0

crypt32

api-ms-win-core-processenvironment-l1-1-0

api-ms-win-core-synch-l1-2-1

api-ms-win-core-kernel32-legacy-l1-1-1

imm32

Sections

.text Size: - Virtual size: 15.2MB

.rdata Size: - Virtual size: 7.3MB

.data Size: - Virtual size: 1.3MB

.pdata Size: - Virtual size: 395KB

_RDATA Size: - Virtual size: 9KB

.lllllll Size: - Virtual size: 23.4MB

.lllllll Size: 4KB - Virtual size: 4KB

.lllllll Size: 34.2MB - Virtual size: 34.2MB

.reloc Size: 512B - Virtual size: 300B

.rsrc Size: 512B - Virtual size: 233B

Headers

DLL Characteristics

File Characteristics

Sections

Size: 549KB - Virtual size: 1.2MB

Size: 102KB - Virtual size: 293KB

Size: 4.1MB - Virtual size: 5.6MB

Size: 23KB - Virtual size: 65KB

Size: 512B - Virtual size: 348B

Size: 43KB - Virtual size: 127KB

Size: 2KB - Virtual size: 7KB

.idata Size: 1024B - Virtual size: 4KB

.tls Size: 512B - Virtual size: 4KB

.rsrc Size: 127KB - Virtual size: 127KB

.fuckoff Size: - Virtual size: 9.0MB

.boot Size: 4.3MB - Virtual size: 4.3MB

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

.text
Size: - Virtual size: 15.2MB

.rdata
Size: - Virtual size: 7.3MB

.data
Size: - Virtual size: 1.3MB

.pdata
Size: - Virtual size: 395KB

_RDATA
Size: - Virtual size: 9KB

.lllllll
Size: - Virtual size: 23.4MB

.lllllll
Size: 4KB - Virtual size: 4KB

.lllllll
Size: 34.2MB - Virtual size: 34.2MB

.reloc
Size: 512B - Virtual size: 300B

.rsrc
Size: 512B - Virtual size: 233B

.idata
Size: 1024B - Virtual size: 4KB

.tls
Size: 512B - Virtual size: 4KB

.rsrc
Size: 127KB - Virtual size: 127KB

.fuckoff
Size: - Virtual size: 9.0MB

.boot
Size: 4.3MB - Virtual size: 4.3MB

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