Overview
overview
10Static
static
3byfron-01a...f2.zip
windows11-21h2-x64
1byfron-01a...00.toc
windows11-21h2-x64
3byfron-01a...al.pkg
windows11-21h2-x64
3byfron-01a...00.toc
windows11-21h2-x64
3byfron-01a...00.toc
windows11-21h2-x64
3byfron-01a...00.pyz
windows11-21h2-x64
3byfron-01a...00.toc
windows11-21h2-x64
3byfron-01a...ry.zip
windows11-21h2-x64
1_collections_abc.pyc
windows11-21h2-x64
3_weakrefset.pyc
windows11-21h2-x64
3codecs.pyc
windows11-21h2-x64
3collection...__.pyc
windows11-21h2-x64
3collections/abc.pyc
windows11-21h2-x64
3copyreg.pyc
windows11-21h2-x64
3encodings/...__.pyc
windows11-21h2-x64
3encodings/aliases.pyc
windows11-21h2-x64
3encodings/ascii.pyc
windows11-21h2-x64
3encodings/...ec.pyc
windows11-21h2-x64
3encodings/big5.pyc
windows11-21h2-x64
3encodings/...cs.pyc
windows11-21h2-x64
3encodings/...ec.pyc
windows11-21h2-x64
3encodings/charmap.pyc
windows11-21h2-x64
3encodings/cp037.pyc
windows11-21h2-x64
3byfron-01a...ve.pyc
windows11-21h2-x64
3byfron-01a...rs.pyc
windows11-21h2-x64
3byfron-01a...es.pyc
windows11-21h2-x64
3byfron-01a...32.pyc
windows11-21h2-x64
3byfron-01a...ct.pyc
windows11-21h2-x64
3byfron-01a...LC.exe
windows11-21h2-x64
10byfron-01a...er.dll
windows11-21h2-x64
3byfron-01a...er.dll
windows11-21h2-x64
3byfron-01a...on.txt
windows11-21h2-x64
3Analysis
-
max time kernel
92s -
max time network
94s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
13-08-2024 23:33
Behavioral task
behavioral1
Sample
byfron-01a570a3cd0a46f2.zip
Resource
win11-20240802-en
Behavioral task
behavioral2
Sample
byfron-01a570a3cd0a46f2/Celestial/Analysis-00.toc
Resource
win11-20240802-en
Behavioral task
behavioral3
Sample
byfron-01a570a3cd0a46f2/Celestial/Celestial.pkg
Resource
win11-20240802-en
Behavioral task
behavioral4
Sample
byfron-01a570a3cd0a46f2/Celestial/EXE-00.toc
Resource
win11-20240802-en
Behavioral task
behavioral5
Sample
byfron-01a570a3cd0a46f2/Celestial/PKG-00.toc
Resource
win11-20240802-en
Behavioral task
behavioral6
Sample
byfron-01a570a3cd0a46f2/Celestial/PYZ-00.pyz
Resource
win11-20240802-en
Behavioral task
behavioral7
Sample
byfron-01a570a3cd0a46f2/Celestial/PYZ-00.toc
Resource
win11-20240802-en
Behavioral task
behavioral8
Sample
byfron-01a570a3cd0a46f2/Celestial/base_library.zip
Resource
win11-20240802-en
Behavioral task
behavioral9
Sample
_collections_abc.pyc
Resource
win11-20240802-en
Behavioral task
behavioral10
Sample
_weakrefset.pyc
Resource
win11-20240802-en
Behavioral task
behavioral11
Sample
codecs.pyc
Resource
win11-20240802-en
Behavioral task
behavioral12
Sample
collections/__init__.pyc
Resource
win11-20240802-en
Behavioral task
behavioral13
Sample
collections/abc.pyc
Resource
win11-20240802-en
Behavioral task
behavioral14
Sample
copyreg.pyc
Resource
win11-20240802-en
Behavioral task
behavioral15
Sample
encodings/__init__.pyc
Resource
win11-20240802-en
Behavioral task
behavioral16
Sample
encodings/aliases.pyc
Resource
win11-20240802-en
Behavioral task
behavioral17
Sample
encodings/ascii.pyc
Resource
win11-20240802-en
Behavioral task
behavioral18
Sample
encodings/base64_codec.pyc
Resource
win11-20240802-en
Behavioral task
behavioral19
Sample
encodings/big5.pyc
Resource
win11-20240802-en
Behavioral task
behavioral20
Sample
encodings/big5hkscs.pyc
Resource
win11-20240802-en
Behavioral task
behavioral21
Sample
encodings/bz2_codec.pyc
Resource
win11-20240802-en
Behavioral task
behavioral22
Sample
encodings/charmap.pyc
Resource
win11-20240802-en
Behavioral task
behavioral23
Sample
encodings/cp037.pyc
Resource
win11-20240802-en
Behavioral task
behavioral24
Sample
byfron-01a570a3cd0a46f2/Celestial/localpycs/pyimod01_archive.pyc
Resource
win11-20240802-en
Behavioral task
behavioral25
Sample
byfron-01a570a3cd0a46f2/Celestial/localpycs/pyimod02_importers.pyc
Resource
win11-20240802-en
Behavioral task
behavioral26
Sample
byfron-01a570a3cd0a46f2/Celestial/localpycs/pyimod03_ctypes.pyc
Resource
win11-20240802-en
Behavioral task
behavioral27
Sample
byfron-01a570a3cd0a46f2/Celestial/localpycs/pyimod04_pywin32.pyc
Resource
win11-20240802-en
Behavioral task
behavioral28
Sample
byfron-01a570a3cd0a46f2/Celestial/localpycs/struct.pyc
Resource
win11-20240802-en
Behavioral task
behavioral29
Sample
byfron-01a570a3cd0a46f2/CelestialLLC.exe
Resource
win11-20240802-en
Behavioral task
behavioral30
Sample
byfron-01a570a3cd0a46f2/driver.dll
Resource
win11-20240802-en
Behavioral task
behavioral31
Sample
byfron-01a570a3cd0a46f2/mapper.dll
Resource
win11-20240802-en
Behavioral task
behavioral32
Sample
byfron-01a570a3cd0a46f2/version.txt
Resource
win11-20240802-en
General
-
Target
byfron-01a570a3cd0a46f2/driver.dll
-
Size
202KB
-
MD5
1fb58ae94d360c3983c3fe1d1252d86b
-
SHA1
146cd3a402192cecd18516423f6b42eb6a65dac2
-
SHA256
5212b88ba87abafd4bd25a55f06f1872f1a040b8924327c2ec00332b89d95bcb
-
SHA512
f8c74b5e3b36f8bf0e9ad37714c3d8d66ce18c0b9ef3a3aaa7c56a1925cb2edf85e831f6d9a65bf9248d5738f367ef4def0b6a443afb57c154af8df27b2cd050
-
SSDEEP
6144:3C8PgEaNIqydt8F59UL1DDZ9UAlatl4XSJ0vpC:3RPg5IqW8F02T0xC
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 3724 2804 WerFault.exe 82 -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3296 wrote to memory of 2804 3296 rundll32.exe 82 PID 3296 wrote to memory of 2804 3296 rundll32.exe 82 PID 3296 wrote to memory of 2804 3296 rundll32.exe 82
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\byfron-01a570a3cd0a46f2\driver.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3296 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\byfron-01a570a3cd0a46f2\driver.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:2804 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2804 -s 5083⤵
- Program crash
PID:3724
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2804 -ip 28041⤵PID:3056