Analysis
- max time kernel
150s - max time network
115s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
10/07/2026, 12:11
Behavioral task
behavioral1
Sample
KeeForm.Installer.v5.0.2.exe
Resource
win10v2004-20260513-en
4 signatures
150 seconds
General
- Target KeeForm.Installer.v5.0.2.exe
- Size 3.6MB
- Sample260710-pcwcvscv7s
- SHA256 a8e429b65fefb665c751713bddc342cafa7805495f71612d0b83694b33fa06ba
- MD5 4da3d28258363a04d4528c7c754915fc
- SHA1 cc7039b2bf2df77c3f77adcdb447ae17f31b016a
- SHA512 84eb24beee352de55b9e97c585cf34c5535d161f06ba71b0f6444f1707281f44f47680d7f594409fbbd8ee97efd38d8c56dc236edd143c36d7e7dba62f41c437
- SSDEEP 98304:R5O8dJT3y1NUxbYbbuTHio35dX/gL7kBO5WIw0XDR6PktS:L7i1NUxgWH/5dXI3kG9t6PktS
- TLSH T1B506013BF18BA53EE06A2A363972E210583B7A2165174C1696ECF48CCF755701E3E787
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5296 KeeForm.Installer.v5.0.2.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 KeeForm.Installer.v5.0.2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language KeeForm.Installer.v5.0.2.tmp - Inno Setup is an open-source installation builder for Windows applications. 2 IoCs
Inno Setup installer
resource yara_rule behavioral2/memory/4672-1-0x0000000000C40000-0x0000000000D29000-memory.dmp innosetup behavioral2/memory/4672-8-0x0000000000C40000-0x0000000000D29000-memory.dmp innosetup - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4672 wrote to memory of 5296 4672 KeeForm.Installer.v5.0.2.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\KeeForm.Installer.v5.0.2.exe"C:\Users\Admin\AppData\Local\Temp\KeeForm.Installer.v5.0.2.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4672 -
C:\Users\Admin\AppData\Local\Temp\is-K02AEVU69B.tmp\KeeForm.Installer.v5.0.2.tmp"C:\Users\Admin\AppData\Local\Temp\is-K02AEVU69B.tmp\KeeForm.Installer.v5.0.2.tmp" /SL5="$70166,2604015,893952,C:\Users\Admin\AppData\Local\Temp\KeeForm.Installer.v5.0.2.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5296
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\is-K02AEVU69B.tmp\KeeForm.Installer.v5.0.2.tmp
- Size 4.2MB
- SHA256 f7d7972ad3c0a52c16f3ba925b85d60508e9e39afb200c66a5d1bb2312a41558
- MD5 2183ef7a5b9ffe8a45ebeb4f2fcf36fd
- SHA1 a681cfdd6ec035ec24a7d1cf6b5d9d6ecfc19adf
- SHA512 e001c46b632772fb3533dac38a529ae51a2fb52be8f3442898fbdc502660d57384808babc4c0205733e4cd3c0598d0deb51a2fcf931fa6591f5b1f84a9dac674
- SSDEEP 98304:5YU5hnuOajWwMPdCpepI3GrwrA+Js333PM:7xuHjWfZIzeM
- TLSH T1B4268F03F388753EE4571A3A583FA280983F7A213915CD4B6BFC295C8F396416D2A797
- MD5 SHA1 SHA512 SSDEEP TLSH