Analysis
- max time kernel
150s - max time network
127s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
27/10/2026, 05:49
Behavioral task
behavioral1
Sample
pyRevit_CLI_6.3.0.26091_signed.exe
Resource
win10v2004-20260911-en
5 signatures
150 seconds
General
- Target pyRevit_CLI_6.3.0.26091_signed.exe
- Size 16.5MB
- Sample261027-gh48ys1yev
- SHA256 628cdb4157f2ee6d463f2d68161b006daac927fff287f894d1e3ba48a4b63d1d
- MD5 5379fb04c064f64f085144415b53dd42
- SHA1 9f38ccc788be5d6b08500a3e65b2540930e9613b
- SHA512 4c0918a3c8bca2e229697a140b81bb2534885e663cae7de613a51ab64b560ee5fcb48b0b67b3edc82c2ded04acb9bcbdb2c6fe521d137f56eef6a110bf191834
- SSDEEP 393216:JzkyEtWuXUY/pGE3IKl1tU/Z7x8mK31OFnd:nEtWuXbRBYKl1tU/JamK3+d
- TLSH T15907233BA24B613EECE94A39FE71921C5C3F772D65128C1696E4C48CCB24CB31D2E656
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4148 pyRevit_CLI_6.3.0.26091_signed.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 pyRevit_CLI_6.3.0.26091_signed.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language pyRevit_CLI_6.3.0.26091_signed.tmp - System Time Discovery 1 TTPs 2 IoCs
Adversary may gather the system time and/or time zone settings from a local or remote system.
pid Process 3632 dotnet.exe 1616 dotnet.exe - Inno Setup is an open-source installation builder for Windows applications. 2 IoCs
Inno Setup installer
resource yara_rule behavioral2/memory/4884-0-0x0000000000680000-0x0000000000776000-memory.dmp innosetup behavioral2/memory/4884-8-0x0000000000680000-0x0000000000776000-memory.dmp innosetup - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4884 wrote to memory of 4148 4884 pyRevit_CLI_6.3.0.26091_signed.exe 90 PID 4148 wrote to memory of 3632 4148 pyRevit_CLI_6.3.0.26091_signed.tmp 91 PID 4148 wrote to memory of 1616 4148 pyRevit_CLI_6.3.0.26091_signed.tmp 93
Processes
-
C:\Users\Admin\AppData\Local\Temp\pyRevit_CLI_6.3.0.26091_signed.exe"C:\Users\Admin\AppData\Local\Temp\pyRevit_CLI_6.3.0.26091_signed.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4884 -
C:\Users\Admin\AppData\Local\Temp\is-JYUWWHWNCG.tmp\pyRevit_CLI_6.3.0.26091_signed.tmp"C:\Users\Admin\AppData\Local\Temp\is-JYUWWHWNCG.tmp\pyRevit_CLI_6.3.0.26091_signed.tmp" /SL5="$50174,16041998,947200,C:\Users\Admin\AppData\Local\Temp\pyRevit_CLI_6.3.0.26091_signed.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4148 -
C:\Program Files\dotnet\dotnet.exe"C:\Program Files\dotnet\dotnet.exe" --list-runtimes3⤵
- System Time Discovery
PID:3632
-
-
C:\Program Files\dotnet\dotnet.exe"C:\Program Files\dotnet\dotnet.exe" --list-runtimes3⤵
- System Time Discovery
PID:1616
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\is-JYUWWHWNCG.tmp\pyRevit_CLI_6.3.0.26091_signed.tmp
- Size 4.2MB
- SHA256 ccdf6fa725e6f21d2a8ea4a8462a707e90cb8a948dc473b8d1fdf5ed12b3567a
- MD5 a7f1105418399e77436a255e8dff86df
- SHA1 4b914c5bdbef4c28f700d8cf5614eea5668b542a
- SHA512 6b39214d1e498e58951d237363b4983c64e80d507a4885f58cfdb35e9f70a561266dc543c3291b9c4d5c73f2b2d780abb53467851d9cee4ae2fbcb711c94d907
- SSDEEP 98304:hYU5hnuOajWwMPdCpepI3GrwrA+J+333P:DxuHjWfZIzw
- TLSH T165266E03B248653EE8D71A39C83BA2889C3F7B253A15CD4B67F4095C8F39D426D2A757
- MD5 SHA1 SHA512 SSDEEP TLSH