Analysis
- max time kernel
145s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
31/03/2024, 01:15
Behavioral task
behavioral1
Sample
a6562d8f34d4c25a94313ebbed1137514eed90b233a94a9125e087781c733b37.docm
Resource
win7-20240215-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
a6562d8f34d4c25a94313ebbed1137514eed90b233a94a9125e087781c733b37.docm
Resource
win10v2004-20240226-en
8 signatures
150 seconds
General
- Target a6562d8f34d4c25a94313ebbed1137514eed90b233a94a9125e087781c733b37.docm
- Size 16KB
- Sample240331-bmqy8sbb4v
- SHA256 a6562d8f34d4c25a94313ebbed1137514eed90b233a94a9125e087781c733b37
- MD5 d99020c900069e737b3f4ab8c6947375
- SHA1 af5b24062ff7d53cda41cb3a6d22fde57cffb467
- SHA512 ebe41804e22f9ec9619417f47b8d8bb416057bf351a446ac7e1d341b574a20f7d8f259c9febdca6f5bc8ef5d7e34291e0ae643641919ecbbb91c0255cb0588c9
- SSDEEP 192:/imtcdEeDeJ88AQYbIFYpWHIA+ugOAo//dhhCHrPJf7hOSZLB/oZcLaBXDc6:/imtc69C8AQmuoAB0M/cLFhFZ2ZFc6
- MD5 SHA1 SHA512 SSDEEP
Score
8/10
Malware Config
Signatures
- Downloads MZ/PE file
- Executes dropped EXE 1 IoCs
pid Process 2968 signed_20240329011751156.exe - Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE - Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE - Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc HTTP User-Agent header 19 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) - Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 5004 WINWORD.EXE 5004 WINWORD.EXE - Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 5004 WINWORD.EXE 5004 WINWORD.EXE 5004 WINWORD.EXE 5004 WINWORD.EXE 5004 WINWORD.EXE 5004 WINWORD.EXE 5004 WINWORD.EXE - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 5004 wrote to memory of 2968 5004 WINWORD.EXE 99 PID 5004 wrote to memory of 2968 5004 WINWORD.EXE 99
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\a6562d8f34d4c25a94313ebbed1137514eed90b233a94a9125e087781c733b37.docm" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5004 -
C:\ProgramData\signed_20240329011751156.exeC:\ProgramData\signed_20240329011751156.exe2⤵
- Executes dropped EXE
PID:2968
-
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4152 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:81⤵PID:4584
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\ProgramData\signed_20240329011751156.exe
- Size 3.1MB
- SHA256 f00ed06a1d402ecf760ec92f3280ef6c09e76036854abacadcac9311706ed97d
- MD5 4521162d45efc83fa76c4b5c0d405265
- SHA1 59822746a396c32be73afda436df3853a277e377
- SHA512 66447bcb43cd1ad7d7d81c0cfa1764956e3a67893f37e7cda31fab7227e5fb0bdf539b2b2166975db5d5a5528ca4f5229eda94e96a93410e90736ef87241dd99
- SSDEEP 49152:7bpFECel2S5n5pqrf+rBNiOo17U3aD6Lb:PjvD6X
- MD5 SHA1 SHA512 SSDEEP