Overview
overview
8Static
static
7Office_Too...86.zip
windows10-2004-x64
1Office Too...le.exe
windows10-2004-x64
1Office Too...us.exe
windows10-2004-x64
8Office Too...rm.exe
windows10-2004-x64
6Office Too...71.dll
windows10-2004-x64
1Office Too...id.dll
windows10-2004-x64
1Office Too...ne.dll
windows10-2004-x64
7Office Too...71.dll
windows10-2004-x64
3Office Too...71.dll
windows10-2004-x64
Office Too...e.json
windows10-2004-x64
3Office Too...e.json
windows10-2004-x64
3Office Too...e.json
windows10-2004-x64
3Office Too...e.json
windows10-2004-x64
3Office Too...e.json
windows10-2004-x64
3Office Too...e.json
windows10-2004-x64
Office Too...e.json
windows10-2004-x64
3Office Too...e.json
windows10-2004-x64
3Office Too...e.json
windows10-2004-x64
3Office Too...e.json
windows10-2004-x64
3Office Too...n.json
windows10-2004-x64
3Office Too...n.json
windows10-2004-x64
3Office Too...n.json
windows10-2004-x64
Office Too...n.json
windows10-2004-x64
3Office Too...n.json
windows10-2004-x64
3Office Too...n.json
windows10-2004-x64
3Office Too...n.json
windows10-2004-x64
3Office Too...n.json
windows10-2004-x64
3Office Too...n.json
windows10-2004-x64
3Office Too...n.json
windows10-2004-x64
3Office Too...s.json
windows10-2004-x64
3Office Too...s.json
windows10-2004-x64
3Office Too...up.exe
windows10-2004-x64
5Analysis
-
max time kernel
426s -
max time network
433s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
21-10-2023 21:09
Behavioral task
behavioral1
Sample
Office_Tool_v10.3.1.2_x86.zip
Resource
win10v2004-20231020-en
Behavioral task
behavioral2
Sample
Office Tool/Office Tool Plus.Console.exe
Resource
win10v2004-20231020-en
Behavioral task
behavioral3
Sample
Office Tool/Office Tool Plus.exe
Resource
win10v2004-20231020-en
Behavioral task
behavioral4
Sample
Office Tool/files/Thunder/MiniThunderPlatform.exe
Resource
win10v2004-20231020-en
Behavioral task
behavioral5
Sample
Office Tool/files/Thunder/atl71.dll
Resource
win10v2004-20231020-en
Behavioral task
behavioral6
Sample
Office Tool/files/Thunder/dl_peer_id.dll
Resource
win10v2004-20231020-en
Behavioral task
behavioral7
Sample
Office Tool/files/Thunder/download_engine.dll
Resource
win10v2004-20231020-en
Behavioral task
behavioral8
Sample
Office Tool/files/Thunder/msvcp71.dll
Resource
win10v2004-20231020-en
Behavioral task
behavioral9
Sample
Office Tool/files/Thunder/msvcr71.dll
Resource
win10v2004-20230915-en
Behavioral task
behavioral10
Sample
Office Tool/files/preferences/de-de/settings-access-de.json
Resource
win10v2004-20231020-en
Behavioral task
behavioral11
Sample
Office Tool/files/preferences/de-de/settings-excel-de.json
Resource
win10v2004-20231020-en
Behavioral task
behavioral12
Sample
Office Tool/files/preferences/de-de/settings-office-de.json
Resource
win10v2004-20231020-en
Behavioral task
behavioral13
Sample
Office Tool/files/preferences/de-de/settings-onent-de.json
Resource
win10v2004-20230915-en
Behavioral task
behavioral14
Sample
Office Tool/files/preferences/de-de/settings-outlk-de.json
Resource
win10v2004-20231020-en
Behavioral task
behavioral15
Sample
Office Tool/files/preferences/de-de/settings-ppt-de.json
Resource
win10v2004-20230915-en
Behavioral task
behavioral16
Sample
Office Tool/files/preferences/de-de/settings-proj-de.json
Resource
win10v2004-20231020-en
Behavioral task
behavioral17
Sample
Office Tool/files/preferences/de-de/settings-pub-de.json
Resource
win10v2004-20231020-en
Behavioral task
behavioral18
Sample
Office Tool/files/preferences/de-de/settings-visio-de.json
Resource
win10v2004-20231020-en
Behavioral task
behavioral19
Sample
Office Tool/files/preferences/de-de/settings-word-de.json
Resource
win10v2004-20231020-en
Behavioral task
behavioral20
Sample
Office Tool/files/preferences/en-us/settings-access-en.json
Resource
win10v2004-20231020-en
Behavioral task
behavioral21
Sample
Office Tool/files/preferences/en-us/settings-excel-en.json
Resource
win10v2004-20231020-en
Behavioral task
behavioral22
Sample
Office Tool/files/preferences/en-us/settings-office-en.json
Resource
win10v2004-20231020-en
Behavioral task
behavioral23
Sample
Office Tool/files/preferences/en-us/settings-onent-en.json
Resource
win10v2004-20231020-en
Behavioral task
behavioral24
Sample
Office Tool/files/preferences/en-us/settings-outlk-en.json
Resource
win10v2004-20231020-en
Behavioral task
behavioral25
Sample
Office Tool/files/preferences/en-us/settings-ppt-en.json
Resource
win10v2004-20231020-en
Behavioral task
behavioral26
Sample
Office Tool/files/preferences/en-us/settings-proj-en.json
Resource
win10v2004-20231020-en
Behavioral task
behavioral27
Sample
Office Tool/files/preferences/en-us/settings-pub-en.json
Resource
win10v2004-20231020-en
Behavioral task
behavioral28
Sample
Office Tool/files/preferences/en-us/settings-visio-en.json
Resource
win10v2004-20231020-en
Behavioral task
behavioral29
Sample
Office Tool/files/preferences/en-us/settings-word-en.json
Resource
win10v2004-20231020-en
Behavioral task
behavioral30
Sample
Office Tool/files/preferences/es-es/settings-access-es.json
Resource
win10v2004-20231020-en
Behavioral task
behavioral31
Sample
Office Tool/files/preferences/es-es/settings-excel-es.json
Resource
win10v2004-20231020-en
Behavioral task
behavioral32
Sample
Office Tool/files/setup.exe
Resource
win10v2004-20231020-en
General
-
Target
Office Tool/files/preferences/en-us/settings-visio-en.json
-
Size
69KB
-
MD5
064777c678c1cc754235c8b455a4656c
-
SHA1
fd26a4aeb5d9d6eec1826e97310545cdfb469f25
-
SHA256
a3c6f8ae9d2120905bbfa86af5745c180d9c88238d0c1e3fb5105d06466baada
-
SHA512
5f97fbfd013d86ff5cef2bac111c7ca8a6fdc38b4e23fd421ceb608de6bb8c41f5fbd271459ace6ace813e4d1e584beae685018d00aacbb0d4b64e4f2a4bc5b1
-
SSDEEP
1536:Q/QwTsBJD8lDfZJPtC7rGpxgMZk9Vtke6F2y98+CVW:/Bn77W
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000_Classes\Local Settings cmd.exe Key created \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000_Classes\Local Settings OpenWith.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4064 OpenWith.exe
Processes
-
C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\Office Tool\files\preferences\en-us\settings-visio-en.json"1⤵
- Modifies registry class
PID:3904
-
C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:4064