Overview
overview
6Static
static
1Microsoft....4.appx
windows10-2004-x64
Microsoft....4.appx
windows11-ltsc_2024-x64
1Calendar/B...sk.dll
windows10-2004-x64
1Calendar/B...sk.dll
windows11-ltsc_2024-x64
1Calendar/Calendar.exe
windows10-2004-x64
5Calendar/Calendar.exe
windows11-ltsc_2024-x64
6Calendar/C...er.exe
windows10-2004-x64
1Calendar/C...er.exe
windows11-ltsc_2024-x64
6Calendar/W...er.dll
windows10-2004-x64
1Calendar/bz2.dll
windows10-2004-x64
1Calendar/bz2.dll
windows11-ltsc_2024-x64
1Calendar/c...40.dll
windows10-2004-x64
1Calendar/c...40.dll
windows11-ltsc_2024-x64
1Calendar/minizip.dll
windows10-2004-x64
1Calendar/minizip.dll
windows11-ltsc_2024-x64
1Calendar/msvcp140.dll
windows10-2004-x64
1Calendar/msvcp140.dll
windows11-ltsc_2024-x64
1Calendar/m..._1.dll
windows10-2004-x64
1Calendar/m..._1.dll
windows11-ltsc_2024-x64
1Calendar/m..._2.dll
windows10-2004-x64
1Calendar/m..._2.dll
windows11-ltsc_2024-x64
1Calendar/m...it.dll
windows10-2004-x64
1Calendar/m...it.dll
windows11-ltsc_2024-x64
1Calendar/m...ds.dll
windows10-2004-x64
1Calendar/m...ds.dll
windows11-ltsc_2024-x64
1Calendar/nh.dll
windows10-2004-x64
1Calendar/nh.dll
windows11-ltsc_2024-x64
1Calendar/pugixml.dll
windows10-2004-x64
1Calendar/pugixml.dll
windows11-ltsc_2024-x64
1Calendar/v...40.dll
windows10-2004-x64
1Calendar/v...40.dll
windows11-ltsc_2024-x64
1Calendar/v..._1.dll
windows10-2004-x64
1Analysis
- max time kernel
149s - max time network
142s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/08/2026, 05:14
Static task
static1
Behavioral task
behavioral1
Sample
Microsoft.M365Companions_x64.appx
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
Microsoft.M365Companions_x64.appx
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral3
Sample
Calendar/BackgroundTask.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
Calendar/BackgroundTask.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral5
Sample
Calendar/Calendar.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
Calendar/Calendar.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral7
Sample
Calendar/CalendarLauncher.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
Calendar/CalendarLauncher.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral9
Sample
Calendar/WebView2Loader.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral10
Sample
Calendar/bz2.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral11
Sample
Calendar/bz2.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral12
Sample
Calendar/concrt140.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral13
Sample
Calendar/concrt140.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral14
Sample
Calendar/minizip.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral15
Sample
Calendar/minizip.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral16
Sample
Calendar/msvcp140.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral17
Sample
Calendar/msvcp140.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral18
Sample
Calendar/msvcp140_1.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral19
Sample
Calendar/msvcp140_1.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral20
Sample
Calendar/msvcp140_2.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral21
Sample
Calendar/msvcp140_2.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral22
Sample
Calendar/msvcp140_atomic_wait.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral23
Sample
Calendar/msvcp140_atomic_wait.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral24
Sample
Calendar/msvcp140_codecvt_ids.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral25
Sample
Calendar/msvcp140_codecvt_ids.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral26
Sample
Calendar/nh.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral27
Sample
Calendar/nh.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral28
Sample
Calendar/pugixml.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral29
Sample
Calendar/pugixml.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral30
Sample
Calendar/vcruntime140.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral31
Sample
Calendar/vcruntime140.dll
Resource
win11ltsc2024-20260710-en
Behavioral task
behavioral32
Sample
Calendar/vcruntime140_1.dll
Resource
win10v2004-20260513-en
General
- Target Microsoft.M365Companions_x64.appx
- Size 35.8MB
- Sample260802-fxdh4sdl8s
- SHA256 00bf2151443ad9031e8e69a7a99162fc5af39cb32969f0eea452f40b8307755b
- MD5 6c5d6656017fea3fe6cfc6d42f588e2b
- SHA1 d98d40a413f8b38818b0dd5a8360d1b84435aa77
- SHA512 156ebb3f796541210f094229811a977e2d12b84ae7f0c544b02fee79a9b2a7836a665c661361ab688dbb0a5ac1afb2d985a8ba806137e5e6efe3998e7e91915e
- SSDEEP 786432:wFoPJkCLzuEvgamvK8LzMRZsuicLzRyZoAVoAAGnzr/P+xArOP:wILzxvgaQLzMbLzUZoqAGz7Nu
- TLSH T1DC8733996D0CBCA6FA85617290CFCEE223A646B31404E7547976BB041B84E540B4FFFB
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 4960 PowerShell.exe 4960 PowerShell.exe 4960 PowerShell.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4960 PowerShell.exe