Overview
overview
8Static
static
3Kivun_Term...up.exe
windows10-2004-x64
7Kivun_Term...up.exe
windows11-ltsc_2024-x64
7$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3$PLUGINSDI...ec.dll
windows11-ltsc_2024-x64
3KivunTerminal.exe
windows10-2004-x64
8KivunTerminal.exe
windows11-ltsc_2024-x64
8configure-...ine.js
windows10-2004-x64
3configure-...ine.js
windows11-ltsc_2024-x64
3folder-picker.hta
windows10-2004-x64
8folder-picker.hta
windows11-ltsc_2024-x64
8folder-picker.wsf
windows10-2004-x64
3folder-picker.wsf
windows11-ltsc_2024-x64
8kivun-clau...e-bidi
ubuntu-18.04-amd64
1kivun-clau...e-bidi
debian-9-armhf
1kivun-clau...e-bidi
debian-9-mips
kivun-clau...e-bidi
debian-9-mipsel
kivun-clau...eck.js
windows10-2004-x64
3kivun-clau...eck.js
windows11-ltsc_2024-x64
3kivun-clau...nal.js
windows10-2004-x64
3kivun-clau...nal.js
windows11-ltsc_2024-x64
3kivun-clau...tor.js
windows10-2004-x64
3kivun-clau...tor.js
windows11-ltsc_2024-x64
3kivun-clau...bin.js
windows10-2004-x64
3kivun-clau...bin.js
windows11-ltsc_2024-x64
3kivun-clau...tor.js
windows10-2004-x64
3kivun-clau...tor.js
windows11-ltsc_2024-x64
3kivun-clau...tor.js
windows10-2004-x64
3kivun-clau...tor.js
windows11-ltsc_2024-x64
3Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
02/07/2026, 02:11
Static task
static1
Behavioral task
behavioral1
Sample
Kivun_Terminal_Setup.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
Kivun_Terminal_Setup.exe
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11ltsc2024-20260630-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral9
Sample
KivunTerminal.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral10
Sample
KivunTerminal.exe
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral11
Sample
configure-statusline.js
Resource
win10v2004-20260513-en
Behavioral task
behavioral12
Sample
configure-statusline.js
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral13
Sample
folder-picker.hta
Resource
win10v2004-20260513-en
Behavioral task
behavioral14
Sample
folder-picker.hta
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral15
Sample
folder-picker.wsf
Resource
win10v2004-20260513-en
Behavioral task
behavioral16
Sample
folder-picker.wsf
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral17
Sample
kivun-claude-bidi/bin/kivun-claude-bidi
Resource
ubuntu1804-amd64-20260513-en
Behavioral task
behavioral18
Sample
kivun-claude-bidi/bin/kivun-claude-bidi
Resource
debian9-armhf-20260513-en
Behavioral task
behavioral19
Sample
kivun-claude-bidi/bin/kivun-claude-bidi
Resource
debian9-mipsbe-20260513-en
Behavioral task
behavioral20
Sample
kivun-claude-bidi/bin/kivun-claude-bidi
Resource
debian9-mipsel-20260513-en
Behavioral task
behavioral21
Sample
kivun-claude-bidi/lib/capability-check.js
Resource
win10v2004-20260513-en
Behavioral task
behavioral22
Sample
kivun-claude-bidi/lib/capability-check.js
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral23
Sample
kivun-claude-bidi/lib/detect-terminal.js
Resource
win10v2004-20260513-en
Behavioral task
behavioral24
Sample
kivun-claude-bidi/lib/detect-terminal.js
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral25
Sample
kivun-claude-bidi/lib/injector.js
Resource
win10v2004-20260513-en
Behavioral task
behavioral26
Sample
kivun-claude-bidi/lib/injector.js
Resource
win11ltsc2024-20260630-en
Behavioral task
behavioral27
Sample
kivun-claude-bidi/lib/resolve-claude-bin.js
Resource
win10v2004-20260513-en
Behavioral task
behavioral28
Sample
kivun-claude-bidi/lib/resolve-claude-bin.js
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral29
Sample
kivun-claude-bidi/lib/rtl-cost-optimizer/detector.js
Resource
win10v2004-20260513-en
Behavioral task
behavioral30
Sample
kivun-claude-bidi/lib/rtl-cost-optimizer/detector.js
Resource
win11ltsc2024-20260630-en
Behavioral task
behavioral31
Sample
kivun-claude-bidi/lib/rtl-cost-optimizer/estimator.js
Resource
win10v2004-20260513-en
Behavioral task
behavioral32
Sample
kivun-claude-bidi/lib/rtl-cost-optimizer/estimator.js
Resource
win11ltsc2024-20260629-en
General
- Target folder-picker.hta
- Size 64KB
- Sample260702-cmcmaaa141
- SHA256 0ca24f82ab83c89a8b693ba996f051a697548eebf1d8b2b9ea0eea6490d300dc
- MD5 b7feab5508fdadaa1b6306437c83f914
- SHA1 c1ee52a4cb499a11814895acf8353192ce587c20
- SHA512 5106f20471d9c741d1e6c3b5a9f67d59b85bb1388b1f98f616edb9152a37fe50756d5ea91557b4a23c1a316d8ce185e6974ed67d4f11ce9cea780be4722f89a1
- SSDEEP 1536:W0m/73eOFt5RC+NI8yuhjKyE0rwJU/TKHRbxvTNxi5WBM5taZ53OY:wtxKb0rszTNxi5WhaY
- TLSH T1D353E727A94805727973B6B9AB9F6216FB7682135301C21078DCE1491FB582481FEFFE
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Badlisted process makes network request 1 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 7 2216 mshta.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-204488895-2999877624-296153668-1000\Control Panel\International\Geo\Nation mshta.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 mshta.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2216 wrote to memory of 4408 2216 mshta.exe 87
Processes
-
C:\Windows\SysWOW64\mshta.exeC:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\folder-picker.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}1⤵
- Badlisted process makes network request
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2216 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c wsl.exe -d Ubuntu -- sh -c "cat $HOME/.claude/sounds/config.json" > "C:\Users\Admin\AppData\Local\Kivun-WSL\kivun-sound-config.tmp.json" 2>nul2⤵
- System Location Discovery: System Language Discovery
PID:4408
-