amsi[.]7z | Triage

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General

Target

amsi.7z
Size

51KB
MD5

93cca943011b968bc753a4276d72a1cd
SHA1

97da3722d2958ef517d955323ed563109ff3fd77
SHA256

7f4d287a691a53071aa9d56931925cc40d71c35ece7d6b9967f34bcaa60f2322
SHA512

6281ab6cf2886fab46c3df05f117450590c689cc732db782de9f390f6322c622a73a6a2fed87d8f804c541ba32bad412d9a151df87ece681d77f85ca32355957
SSDEEP

1536:CcUERUzh2zBoZAJ/4MlYSid2fksx2pVQFqFqUt7Ib:JUE2zJP2U2HxwV1Fab

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/amsi.exe

Files

amsi.7z
.7z

Password: infected
amsi.exe
.exe windows:6 windows x64 arch:x64

Password: infected

534842f13cff7400af1e9f27d2452f76

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

PDB Paths

amsi.pdb

Imports

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

WakeByAddressSingle
WaitOnAddress
WakeByAddressAll

kernel32

GetProcAddress
IsProcessorFeaturePresent
HeapFree
VirtualProtect
GetLastError
WaitForSingleObject
CreateProcessA
VirtualAllocEx
WriteProcessMemory
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetEnvironmentVariableW
WideCharToMultiByte
RtlVirtualUnwind
ReleaseMutex
CreateMutexA
GetCurrentProcessId
GetCurrentProcess
LoadLibraryA
GetStdHandle
HeapReAlloc
WaitForSingleObjectEx
RtlLookupFunctionEntry
RtlCaptureContext
GetCurrentDirectoryW
SetLastError
GetProcessHeap
HeapAlloc
lstrlenW
WriteConsoleW
MultiByteToWideChar
GetConsoleMode
CloseHandle
GetModuleHandleA
QueryPerformanceCounter
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetModuleHandleW

ntdll

NtWriteFile
RtlNtStatusToDosError

vcruntime140

__CxxFrameHandler3
memcmp
memset
__current_exception_context
__current_exception
memcpy
__C_specific_handler

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

_seh_filter_exe
_configure_narrow_argv
terminate
_crt_atexit
_register_onexit_function
_initialize_onexit_table
_initialize_narrow_environment
_register_thread_local_exe_atexit_callback
_c_exit
_cexit
__p___argv
__p___argc
_get_initial_narrow_environment
_exit
exit
_initterm_e
_initterm
_set_app_type

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

__setusermatherr

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

__p__commode
_set_fmode

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

_configthreadlocale

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

_set_new_mode

Sections

.text
Size: 88KB - Virtual size: 88KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 25KB - Virtual size: 24KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 480B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1024B - Virtual size: 592B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Password: infected

Password: infected

534842f13cff7400af1e9f27d2452f76

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

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

kernel32

ntdll

vcruntime140

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

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

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

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

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

Sections

.text Size: 88KB - Virtual size: 88KB

.rdata Size: 25KB - Virtual size: 24KB

.data Size: 512B - Virtual size: 480B

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

.reloc Size: 1024B - Virtual size: 592B

.text
Size: 88KB - Virtual size: 88KB

.rdata
Size: 25KB - Virtual size: 24KB

.data
Size: 512B - Virtual size: 480B

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

.reloc
Size: 1024B - Virtual size: 592B