Analysis
- max time kernel
149s - max time network
128s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/08/2026, 22:16
Behavioral task
behavioral1
Sample
Install.exe
Resource
win10v2004-20260513-en
13 signatures
150 seconds
General
- Target Install.exe
- Size 10.7MB
- Sample260804-16xcss1glb
- SHA256 a095636d7f773b2e5e4cfd6ed1c9385c5d310a8996ac24b8142773b5971a6f03
- MD5 c79b6301347aa3c1d5bc6ffe3185a64d
- SHA1 084c6cefce229ddc8b2d8414151354a9f1f62c05
- SHA512 a81ce337c5b3d6803a6321e31a4a3c7f2c36a3487533f58a743304da35d94bb4f81642eda3aec8743d2b185d52645f2dff54c11048ce669e0522ded9d407c8b8
- SSDEEP 196608:Y6ms8+4U1r/z4ozI04f5b44bpX/zRtxj5isooiCBeu3ZcuFddQc3liOVPxSxe:YXsH/8ozIv54YRF3j5isooFeupc8DV5R
- TLSH T19FB63382179380B2C57549398894CD385F20FDBAA9E4729A1DF6FF1F367E0DA68391D0
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
pid Process 5096 Install.tmp 3432 D3DX9_44.dll - Loads dropped DLL 4 IoCs
pid Process 5096 Install.tmp 5096 Install.tmp 5096 Install.tmp 3432 D3DX9_44.dll - System Location Discovery: System Language Discovery 1 TTPs 3 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 Install.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Install.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language D3DX9_44.dll - Inno Setup is an open-source installation builder for Windows applications. 2 IoCs
Inno Setup installer
resource yara_rule behavioral2/memory/4224-0-0x0000000000400000-0x0000000000457000-memory.dmp innosetup behavioral2/memory/4224-101-0x0000000000400000-0x0000000000457000-memory.dmp innosetup - Suspicious behavior: EnumeratesProcesses 26 IoCs
pid Process 5096 Install.tmp 5096 Install.tmp 5096 Install.tmp 5096 Install.tmp 5096 Install.tmp 5096 Install.tmp 5096 Install.tmp 5096 Install.tmp 5096 Install.tmp 5096 Install.tmp 5096 Install.tmp 5096 Install.tmp 5096 Install.tmp 5096 Install.tmp 5096 Install.tmp 5096 Install.tmp 5096 Install.tmp 5096 Install.tmp 5096 Install.tmp 5096 Install.tmp 5096 Install.tmp 5096 Install.tmp 5096 Install.tmp 5096 Install.tmp 5096 Install.tmp 5096 Install.tmp - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 5096 Install.tmp - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 5096 Install.tmp 5096 Install.tmp 5096 Install.tmp - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4224 wrote to memory of 5096 4224 Install.exe 89 PID 5096 wrote to memory of 3432 5096 Install.tmp 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\Install.exe"C:\Users\Admin\AppData\Local\Temp\Install.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4224 -
C:\Users\Admin\AppData\Local\Temp\is-NE8PL.tmp\Install.tmp"C:\Users\Admin\AppData\Local\Temp\is-NE8PL.tmp\Install.tmp" /SL5="$400B2,9800012,313856,C:\Users\Admin\AppData\Local\Temp\Install.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5096 -
C:\Users\Admin\AppData\Local\Temp\is-KTEHO.tmp\D3DX9_44.dll"C:\Users\Admin\AppData\Local\Temp\is-KTEHO.tmp\D3DX9_44.dll"3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:3432
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\is-KTEHO.tmp\BASS.dll
- Size 135KB
- SHA256 6e1bf8ea63f9923687709f4e2f0dac7ff558b2ab923e8c8aa147384746e05b1d
- MD5 8e58fcc0672a66c827c6f90fa4b58538
- SHA1 3e807dfd27259ae7548692a05af4fe54f8dd32ed
- SHA512 0e9faf457a278ad4c5dd171f65c24f6a027696d931a9a2a2edd4e467da8b8a9e4ab3b1fd2d758f5744bf84bece88c046cda5f7e4204bead14d7c36a46702b768
- SSDEEP 3072:/72t5TbcTRQe9Kb/q7J0U2VQLYopjy7qMjzlvo:DY5T4VQ5QmU26LFpjy7rBo
- TLSH T183D31268BA9A5093C5CB8D75D0E115532E7D66D8420FFFE10A49E211BDEB3F3390A328
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\is-KTEHO.tmp\D3DX9_44.dll
- Size 6.9MB
- SHA256 7a3810fc827b15a9d5d9f3380d895c34cfa9b464b49e88320004006430e399ff
- MD5 820538e507312f11d3ed6fba57a68283
- SHA1 6c49c39604e304dd1beb711c467874f7e7db7469
- SHA512 a288730ab0c5bef7cc2f7bd70c48360a76f60bc4ac8aab44ddf294e3c81879effd3244a03dcbbb85a3ef1ae849cf2a094cf58c747aa82edd9a345e080167c5f7
- SSDEEP 98304:MF/tIyYYj1K9WR2jeJMJ2FdztPNNmp89jy:6tIk2j2FdzFmp0
- TLSH T1E176A0D0A845C5B1E9570E71C139ADFA403B6FEAD79CB0DBA284FE6B74701C22672817
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\is-KTEHO.tmp\VCLStylesInno.dll
- Size 3.0MB
- SHA256 0c1708e57e0891844ac3c20acfb30d4f7e10dc718a0e0f42ae29e829287bf865
- MD5 a18b12c17bb6c5f14f7c116860b0b5b2
- SHA1 5842f53dee5e174de9ae30e1f22f1eeb00f54334
- SHA512 683b05b6faa7486003d5d3994f7169975fadbe2e0628752e169a221e3066aa1f56365f74149ceabf43d81430eb20101bf5c453692e4adaa6c3c3ff7f8a312d50
- SSDEEP 49152:0wgIwVmwbSbMUNZeGroPKSbzCJjVcF8U4V+M7mpRh17oYZK5O6PIhrjcFsVwm/MS:0xSbMU18zCJjVcF8U4V+M7mpRh17oYZo
- TLSH T196E56B27B244793ED06B0A3E983B92A08D3FB75177579D1A5FF44C4C8E355802E3A29B
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\is-KTEHO.tmp\d3dx9_43.dll
- Size 1.9MB
- SHA256 0b28546be22c71834501f7d7185ede5d79742457331c7ee09efc14490dd64f5f
- MD5 86e39e9161c3d930d93822f1563c280d
- SHA1 f5944df4142983714a6d9955e6e393d9876c1e11
- SHA512 0a3e311c4fd5c2194a8807469e47156af35502e10aeb8a3f64a01ff802cd8669c7e668cc87b593b182fd830a126d002b5d5d7b6c77991158bffdb0b5b997f6b3
- SSDEEP 24576:8UtU6OIyl2Wy9M3bJ45fPS0zFZghQ6aOiFaKOE31GrvFXl74YZ29X1MDd6olmrBs:8566l2u45BiNYFrz31Cv3D29kd6kWa
- TLSH T14895AF51C5191075FDE69030110D32B2219C9B316391ABCF665E2ED9FFB8BE1EAB8387
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\is-NE8PL.tmp\Install.tmp
- Size 4.9MB
- SHA256 3aab519d5fbf8b62e5684aa94fc0706e96b06434886758403d25f78275b2f3bd
- MD5 f1c26b5acffd67742b70660ab21b21dc
- SHA1 ef84a8dd7554dca464819aafa2c1ca0fdd807682
- SHA512 d2f78c699ffea3052c3745a9a740f41e56d21e1f5114e6d2982a076bc40c158bb4b15baafe47232521ef2d3020816ad23d07ea2d85c5b7969053f85fd17f2f9a
- SSDEEP 98304:VgT8WZwMc9xSbMU18zCJjVcF8U4V+M7mpRh17oYZK5O6PIhrjcFsVwm/M3uapnZr:VSWgpazCJjVcF8U4V+M7mpRh17oYZK5z
- TLSH T106367C27B281653BD0671B39882BD2A09D3BBE612A669C5B7FFC5C4C4F356403D39287
- MD5 SHA1 SHA512 SSDEEP TLSH