Analysis
- max time kernel
30s - max time network
33s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
16/08/2026, 17:26
Behavioral task
behavioral1
Sample
UltraViewer_setup_6.6.124_en.exe
Resource
win10v2004-20260513-en
28 signatures
30 seconds
General
- Target UltraViewer_setup_6.6.124_en.exe
- Size 3.5MB
- Sample260816-v1anysttex
- SHA256 020aac79a14717e316a593155ca778dd3e253b888bf62633b174838d35df7f41
- MD5 ab0df05e39bd73f4adade8fdc21a1f25
- SHA1 b12c2771c040f6175902ec5941ffd09748f87ed3
- SHA512 b26287b701103254acc810cc4ff8e66df70243d80c69459daaa6a8e0e1c52d55dd4d306991ed254b367ac410734193b598d47ba05fa4cd4d54c846ba56a245eb
- SSDEEP 98304:65zMfaTDdMIOZhgAOgp4GMFBgPaJ+nHmf9ViPf:6O0ZMVuAVfMAM+HmFcf
- TLSH T133F53346F7CB0472F9622A73C460D054AD277DA912F0615A7EBCE60C06B73D3E8B6B91
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3380 UltraViewer_setup_6.6.124_en.tmp - Loads dropped DLL 3 IoCs
pid Process 3380 UltraViewer_setup_6.6.124_en.tmp 3380 UltraViewer_setup_6.6.124_en.tmp 3380 UltraViewer_setup_6.6.124_en.tmp - 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 UltraViewer_setup_6.6.124_en.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language UltraViewer_setup_6.6.124_en.tmp - Inno Setup is an open-source installation builder for Windows applications. 2 IoCs
Inno Setup installer
resource yara_rule behavioral2/memory/3824-0-0x0000000000400000-0x0000000000428000-memory.dmp innosetup behavioral2/memory/3824-19-0x0000000000400000-0x0000000000428000-memory.dmp innosetup - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3824 wrote to memory of 3380 3824 UltraViewer_setup_6.6.124_en.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\UltraViewer_setup_6.6.124_en.exe"C:\Users\Admin\AppData\Local\Temp\UltraViewer_setup_6.6.124_en.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3824 -
C:\Users\Admin\AppData\Local\Temp\is-9F2RE.tmp\UltraViewer_setup_6.6.124_en.tmp"C:\Users\Admin\AppData\Local\Temp\is-9F2RE.tmp\UltraViewer_setup_6.6.124_en.tmp" /SL5="$50244,3238183,121344,C:\Users\Admin\AppData\Local\Temp\UltraViewer_setup_6.6.124_en.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:3380
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\is-1IR2V.tmp\idp.dll
- Size 232KB
- SHA256 54e7e0ad32a22b775131a6288f083ed3286a9a436941377fc20f85dd9ad983ed
- MD5 55c310c0319260d798757557ab3bf636
- SHA1 0892eb7ed31d8bb20a56c6835990749011a2d8de
- SHA512 e0082109737097658677d7963cbf28d412dca3fa8f5812c2567e53849336ce45ebae2c0430df74bfe16c0f3eebb46961bc1a10f32ca7947692a900162128ae57
- SSDEEP 3072:dnSx3lws+iWbUmJmE8dxMw7r+mjT5PbzEFwyGIyTcHY10tSB9j:IP0bUmQEUr+mRcbTx4N
- TLSH T13434AF00B6CBC073D98F0778842B975C0B7AB95557348ACBEB985DADCD213C2AD371A6
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\is-1IR2V.tmp\isxdl.dll
- Size 121KB
- SHA256 b0cc4697b2fd1b4163fddca2050fc62a9e7d221864f1bd11e739144c90b685b3
- MD5 48ad1a1c893ce7bf456277a0a085ed01
- SHA1 803997ef17eedf50969115c529a2bf8de585dc91
- SHA512 7c9e7fe9f00c62cccb5921cb55ba0dd96a0077ad52962473c1e79cda1fd9aa101129637043955703121443e1f8b6b2860cd4dfdb71052b20a322e05deed101a4
- SSDEEP 1536:dohlISko4eZHOMazWpdYoEWSekaDnXUq5o5dInL:dkIM4ehDaqEpMXUq5o5dIL
- TLSH T18FC36B317350D433C06B193A191A87BA637FBA3195B5984B7B840FBE6F30691DA3631B
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\is-9F2RE.tmp\UltraViewer_setup_6.6.124_en.tmp
- Size 1.1MB
- SHA256 b727418174ad4f929ad9206e4df51865def55c0d2874bda487cbae6f2946938d
- MD5 e845838d99d29c4bba4ad35ee996dea3
- SHA1 34a9f433ce1e3339e07d75f0a74efd676b1d7cca
- SHA512 fba499d125eec733535d6b5d93fa43e628e526e7bc3b1aab7e848a80ac373cb09db9cb6777567c51877267001d3dc308b2edae1ac51e109c2936bd3c20928f1d
- SSDEEP 24576:ltdAm9DUi/CR3wCkCiRgoG7hBaHkbEXXeG/jFt5xTx9CD:LqTytRFk6ek1XI
- TLSH T183453A22A3D24437E5732F759C6BC2945C367E202EA4E54A7EF89E0C1E39B41BD35392
- MD5 SHA1 SHA512 SSDEEP TLSH