Overview
overview
7Static
static
39e49738d38...e0.exe
windows10-2004-x64
79e49738d38...e0.exe
windows11-ltsc_2024-x64
7$PLUGINSDI...ID.dll
windows10-2004-x64
3$PLUGINSDI...ID.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...nu.dll
windows10-2004-x64
3$PLUGINSDI...nu.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...ls.dll
windows10-2004-x64
3$PLUGINSDI...ls.dll
windows11-ltsc_2024-x64
3Fiddle Chat App.exe
windows10-2004-x64
6Fiddle Chat App.exe
windows11-ltsc_2024-x64
6uninstall.exe
windows10-2004-x64
7uninstall.exe
windows11-ltsc_2024-x64
7$PLUGINSDI...LL.dll
windows10-2004-x64
3$PLUGINSDI...LL.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...ls.dll
windows10-2004-x64
3$PLUGINSDI...ls.dll
windows11-ltsc_2024-x64
3Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
13/08/2026, 16:00
Static task
static1
Behavioral task
behavioral1
Sample
9e49738d385c6055e527ea377f4fa3ec036797f9966d60de8a717bd587d9e4e0.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
9e49738d385c6055e527ea377f4fa3ec036797f9966d60de8a717bd587d9e4e0.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/ApplicationID.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/ApplicationID.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/System.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/nsis_tauri_utils.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/nsis_tauri_utils.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral13
Sample
Fiddle Chat App.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral14
Sample
Fiddle Chat App.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral15
Sample
uninstall.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral16
Sample
uninstall.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral17
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral18
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral19
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral20
Sample
$PLUGINSDIR/System.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral21
Sample
$PLUGINSDIR/nsis_tauri_utils.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral22
Sample
$PLUGINSDIR/nsis_tauri_utils.dll
Resource
win11ltsc2024-20260709-en
General
- Target uninstall.exe
- Size 496KB
- Sample260813-tf3csssyct
- SHA256 17b5c360888d074b5e9066c1111089a1b4a36266c03f70ac35de3473fcef6fb4
- MD5 9a3ed765ccd9fcbb307d72ce2d48b381
- SHA1 8c928790416870896f843055f350ab57e22efaa5
- SHA512 3ff13fba5d6a3876f40a77a12a5b8b3e089e01d4f62509758052565e0137b547629357f6d8b2ebee032bdfe8e63de3bb732feae8515286ef8bc1fb0d0cfe9f91
- SSDEEP 12288:AYUCzkglHCjaBWb9ZJq4yBTpRA3ub1y2GZ:AYUCzdCGIVqXZI+b1y22
- TLSH T1C3B423B01398D8FBE023DA321D779363BFFAD01624A4994767501BBF7E95B42980C792
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Deletes itself 1 IoCs
pid Process 3980 Un_A.exe - Executes dropped EXE 1 IoCs
pid Process 3980 Un_A.exe - Loads dropped DLL 3 IoCs
pid Process 3980 Un_A.exe 3980 Un_A.exe 3980 Un_A.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 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 uninstall.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Un_A.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3980 Un_A.exe 3980 Un_A.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1072 wrote to memory of 3980 1072 uninstall.exe 86
Processes
-
C:\Users\Admin\AppData\Local\Temp\uninstall.exe"C:\Users\Admin\AppData\Local\Temp\uninstall.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1072 -
C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe"C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\2⤵
- Deletes itself
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:3980
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\nsw8838.tmp\LangDLL.dll
- Size 5KB
- SHA256 18e8b40ba22c7a1687bd16e8d585380bc2773fff5002d7d67e9485fcc0c51026
- MD5 68b287f4067ba013e34a1339afdb1ea8
- SHA1 45ad585b3cc8e5a6af7b68f5d8269c97992130b3
- SHA512 06c38bbb07fb55256f3cdc24e77b3c8f3214f25bfd140b521a39d167113bf307a7e8d24e445d510bc5e4e41d33c9173bb14e3f2a38bc29a0e3d08c1f0dca4bdb
- SSDEEP 48:S46+/nTKYKxbWsptIpBtWZ0iV8jAWiAJCvxft2O2B8mFofjLl:zFuPbOBtWZBV8jAWiAJCdv2Cm0L
- TLSH T16BC19474B3C248B9C491513768AB33D36612EE746784500F9F6711AA38209F7AD3EBC3
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\nsw8838.tmp\System.dll
- Size 12KB
- SHA256 8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
- MD5 cff85c549d536f651d4fb8387f1976f2
- SHA1 d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
- SHA512 531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88
- SSDEEP 192:Zjvco0qWTlt70m5Aj/lQ0sEWD/wtYbBHFNaDybC7y+XBz0QPi:FHQlt70mij/lQRv/9VMjzr
- TLSH T126426B129BB089F2F591583814667F2A6FBE9C5D27F50563CFE304D63D212CB983A283
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\nsw8838.tmp\nsis_tauri_utils.dll
- Size 968KB
- SHA256 2b454443f12806d9e531e18bf19933c0aad1cd8ae397c71b99e814566e6bb5fd
- MD5 0ba06473cec3f0e72fc6865d870b6bd9
- SHA1 16df1d1a5b4d5df3859447279c55be36d4109dfb
- SHA512 42b3c4ce685afb43b8ba235b29919f7fdbc1997618b74d189817d14d1d80e52ea67f6e614d4097bce6ca53b90d46a6d6a54882cd2ea176134a308b64a2b882cc
- SSDEEP 24576:v2zSi+70fdjsUD5Y/CjsS5NpIMDcuHeoPffPJT1Qn652hOfuvNwRnkYkN2IO:ivm0TYKw8DnVbTwbBInkYkN2F
- TLSH T1CE258C41FAC28BB5D90E1674105FE33B6B39540887A6CFD7DBA09E30BD623A15E3529C
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
- Size 496KB
- SHA256 17b5c360888d074b5e9066c1111089a1b4a36266c03f70ac35de3473fcef6fb4
- MD5 9a3ed765ccd9fcbb307d72ce2d48b381
- SHA1 8c928790416870896f843055f350ab57e22efaa5
- SHA512 3ff13fba5d6a3876f40a77a12a5b8b3e089e01d4f62509758052565e0137b547629357f6d8b2ebee032bdfe8e63de3bb732feae8515286ef8bc1fb0d0cfe9f91
- SSDEEP 12288:AYUCzkglHCjaBWb9ZJq4yBTpRA3ub1y2GZ:AYUCzdCGIVqXZI+b1y22
- TLSH T1C3B423B01398D8FBE023DA321D779363BFFAD01624A4994767501BBF7E95B42980C792
- MD5 SHA1 SHA512 SSDEEP TLSH