amsi[.]7z | Triage

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General

Target

amsi.7z
Size

51KB
MD5

affac755dbb35886386bef4c1b5395c2
SHA1

edc6c2e38218065a7939fdf83f67d6ec8b742162
SHA256

862066b15fa03e2eb5514853060a25ad22f93f2698b45138f085d824ac135e6c
SHA512

b4110a2b626cf3730fd35b42aaa254c174c36682d621b68b6f2f0af7a0d41777955229a9cf3ea5f1ba7eed84f439502577caf418c0528e772cfce8af2a9c140a
SSDEEP

1536:IJkltVMw8qX1Ikatkr203Jwq72E4pf7F9Xcs:MkltVM9qlP283xudF1cs

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

130a8d78900814c8dc082cba51d61af9

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

VirtualProtect
GetProcAddress
GetConsoleMode
HeapFree
GetLastError
IsProcessorFeaturePresent
CreateProcessA
ResumeThread
VirtualAllocEx
WriteProcessMemory
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetEnvironmentVariableW
WideCharToMultiByte
RtlVirtualUnwind
ReleaseMutex
CreateMutexA
GetCurrentProcessId
GetCurrentProcess
LoadLibraryA
WaitForSingleObjectEx
HeapReAlloc
CloseHandle
RtlLookupFunctionEntry
RtlCaptureContext
GetCurrentDirectoryW
SetLastError
GetProcessHeap
HeapAlloc
lstrlenW
WriteConsoleW
MultiByteToWideChar
GetStdHandle
WaitForSingleObject
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: 596B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Password: infected

Password: infected

130a8d78900814c8dc082cba51d61af9

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: 596B

.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: 596B