AstraLoader[.]exe

Sharing

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General

Target

AstraLoader.exe
Size

21.5MB
MD5

252bc8602cd4e2ba61f4c1a000e4e0a4
SHA1

6132b76153c0e0e291f410425372adc882bf55b1
SHA256

fc2c8f49fc8edb9328e4fe5f04744b2a88ce6ab865495def0b5c679a1f8e76b6
SHA512

2774093532508f9a74317eda63ce8c953178b0c07d146146a3bbbdf5e6dc11b553e2b3029b3ed07155f6ebb8ae03488d21aaa0196da5a465ae15cd496367c44a
SSDEEP

393216:7qVFbjK0oDyUxpe47XaUgn2JjBHAooQ+klPw/cCn+8MgbQ7tcwrD:7qTGLxcyg2x+kGxZMgm1

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
AstraLoader.exe

Files

AstraLoader.exe
.exe windows:6 windows x64 arch:x64

8d3aedc80d4de17f659f2221b3ac3a19

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

GetLastError

user32

SetWindowTextA

gdi32

DeleteObject

shell32

ShellExecuteA

msvcp140

?uflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ

urlmon

URLDownloadToFileA

psapi

GetModuleInformation

version

GetFileVersionInfoA

ntdll

VerSetConditionMask

gdiplus

GdipDisposeImage

normaliz

IdnToAscii

wldap32

ord32

crypt32

CertCloseStore

ws2_32

WSAStartup

shlwapi

PathFindFileNameW

rpcrt4

UuidToStringA

userenv

UnloadUserProfile

vcruntime140

strstr

vcruntime140_1

__CxxFrameHandler4

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

_register_thread_local_exe_atexit_callback

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

strpbrk

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

_dsign

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

fwrite

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

_fstat64

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

calloc

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

strtoul

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

getenv

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

___lc_codepage_func

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

_localtime64

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

qsort

advapi32

CryptAcquireContextA

Sections

.text
Size: - Virtual size: 625KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: - Virtual size: 191KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: - Virtual size: 23KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.!dc
Size: - Virtual size: 14.4MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.Y6e
Size: 1024B - Virtual size: 552B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.q1(
Size: 21.5MB - Virtual size: 21.5MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 296B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

8d3aedc80d4de17f659f2221b3ac3a19

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

shell32

msvcp140

urlmon

psapi

version

ntdll

gdiplus

normaliz

wldap32

crypt32

ws2_32

shlwapi

rpcrt4

userenv

vcruntime140

vcruntime140_1

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

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

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

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

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

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

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

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

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

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

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

advapi32

Sections

.text Size: - Virtual size: 625KB

.rdata Size: - Virtual size: 191KB

.data Size: - Virtual size: 6KB

.pdata Size: - Virtual size: 23KB

.!dc Size: - Virtual size: 14.4MB

.Y6e Size: 1024B - Virtual size: 552B

.q1( Size: 21.5MB - Virtual size: 21.5MB

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

.reloc Size: 512B - Virtual size: 296B

.text
Size: - Virtual size: 625KB

.rdata
Size: - Virtual size: 191KB

.data
Size: - Virtual size: 6KB

.pdata
Size: - Virtual size: 23KB

.!dc
Size: - Virtual size: 14.4MB

.Y6e
Size: 1024B - Virtual size: 552B

.q1(
Size: 21.5MB - Virtual size: 21.5MB

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

.reloc
Size: 512B - Virtual size: 296B