b99[.]exe | Triage

Sharing

General

Target

b99.exe
Size

270KB
MD5

d18738ee43bda16b6a6d309f2baeef4d
SHA1

0b4f2aa3a84a168c9887d943f0b2c00058fe4110
SHA256

11ba8ee81f38130b690c3c8b279fa4da0b01c87f57b940d7af5dab58b18fc9a7
SHA512

17c8c50656f0b9ae46fdfcb16f5e2504a0b84bf45d2dc3a95119f01dbd6b4c4d2e36cb514a3fa607fb4c2d680b83249b5b0d972445064167b309f54b9ac68a5d
SSDEEP

6144:NogwExxWrPSfzp5jCF6/okvkWaWTA8OPDgr0Op:1zp5jCs7pA8GQRp

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
b99.exe

Files

b99.exe
.exe windows:6 windows x86 arch:x86

9fd5b8944ce9c3acaedc650793d4996e

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_32BIT_MACHINE

Imports

kernel32

CopyFileW
ExitProcess
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetLogicalDrives
GetSystemDirectoryW
GlobalLock
GlobalUnlock

user32

CloseClipboard
GetClipboardData
GetDC
GetSystemMetrics
GetWindowInfo
GetWindowLongW
OpenClipboard
ReleaseDC

ole32

CoCreateInstance
CoInitializeEx
CoInitializeSecurity
CoSetProxyBlanket
CoUninitialize

gdi32

BitBlt
CreateCompatibleBitmap
CreateCompatibleDC
DeleteDC
DeleteObject
GetCurrentObject
GetDIBits
GetObjectW
SelectObject
StretchBlt

oleaut32

SysAllocString
SysFreeString
SysStringLen
VariantClear
VariantInit

Sections

.text
Size: 220KB - Virtual size: 219KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 10KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 22KB - Virtual size: 59KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 17KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ