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Overview
overview
8Static
static
3tabby-1.0....64.exe
windows11-21h2-x64
5$PLUGINSDI...ls.dll
windows11-21h2-x64
3$PLUGINSDI...em.dll
windows11-21h2-x64
3$PLUGINSDIR/UAC.dll
windows11-21h2-x64
3$PLUGINSDI...ll.dll
windows11-21h2-x64
3resources/...rop.js
windows11-21h2-x64
3resources/...dem.js
windows11-21h2-x64
3resources/...end.js
windows11-21h2-x64
3resources/...ing.js
windows11-21h2-x64
3resources/...ing.js
windows11-21h2-x64
3resources/...ice.js
windows11-21h2-x64
3resources/...enu.js
windows11-21h2-x64
3resources/elevate.exe
windows11-21h2-x64
3resources/...AC.exe
windows11-21h2-x64
1resources/...nk.bat
windows11-21h2-x64
8resources/...64.dll
windows11-21h2-x64
1resources/...86.dll
windows11-21h2-x64
3resources/...se.vbs
windows11-21h2-x64
1resources/...64.exe
windows11-21h2-x64
1resources/...86.exe
windows11-21h2-x64
3vk_swiftshader.dll
windows11-21h2-x64
1vulkan-1.dll
windows11-21h2-x64
1$PLUGINSDI...gs.dll
windows11-21h2-x64
3$PLUGINSDI...ec.dll
windows11-21h2-x64
3$PLUGINSDI...7z.dll
windows11-21h2-x64
3$R0/Uninst...by.exe
windows11-21h2-x64
4$PLUGINSDI...ls.dll
windows11-21h2-x64
3$PLUGINSDI...em.dll
windows11-21h2-x64
3$PLUGINSDIR/UAC.dll
windows11-21h2-x64
3$PLUGINSDI...ll.dll
windows11-21h2-x64
3$PLUGINSDI...gs.dll
windows11-21h2-x64
3$PLUGINSDI...ec.dll
windows11-21h2-x64
3Analysis
-
max time kernel
433s -
max time network
1156s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
05/09/2024, 18:38
Static task
static1
Behavioral task
behavioral1
Sample
tabby-1.0.211-setup-x64.exe
Resource
win11-20240802-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win11-20240802-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win11-20240802-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/UAC.dll
Resource
win11-20240802-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/WinShell.dll
Resource
win11-20240802-en
Behavioral task
behavioral6
Sample
resources/builtin-plugins/tabby-terminal/src/features/pathDrop.js
Resource
win11-20240802-en
Behavioral task
behavioral7
Sample
resources/builtin-plugins/tabby-terminal/src/features/zmodem.js
Resource
win11-20240802-en
Behavioral task
behavioral8
Sample
resources/builtin-plugins/tabby-terminal/src/frontends/xtermFrontend.js
Resource
win11-20240802-en
Behavioral task
behavioral9
Sample
resources/builtin-plugins/tabby-terminal/src/middleware/loginScriptProcessing.js
Resource
win11-20240802-en
Behavioral task
behavioral10
Sample
resources/builtin-plugins/tabby-terminal/src/middleware/oscProcessing.js
Resource
win11-20240802-en
Behavioral task
behavioral11
Sample
resources/builtin-plugins/tabby-terminal/src/services/multifocus.service.js
Resource
win11-20240802-en
Behavioral task
behavioral12
Sample
resources/builtin-plugins/tabby-terminal/src/tabContextMenu.js
Resource
win11-20240802-en
Behavioral task
behavioral13
Sample
resources/elevate.exe
Resource
win11-20240802-en
Behavioral task
behavioral14
Sample
resources/extras/UAC.exe
Resource
win11-20240802-en
Behavioral task
behavioral15
Sample
resources/extras/clink/clink.bat
Resource
win11-20240802-en
Behavioral task
behavioral16
Sample
resources/extras/clink/clink_dll_x64.dll
Resource
win11-20240802-en
Behavioral task
behavioral17
Sample
resources/extras/clink/clink_dll_x86.dll
Resource
win11-20240802-en
Behavioral task
behavioral18
Sample
resources/extras/clink/clink_inputrc_base.vbs
Resource
win11-20240802-en
Behavioral task
behavioral19
Sample
resources/extras/clink/clink_x64.exe
Resource
win11-20240802-en
Behavioral task
behavioral20
Sample
resources/extras/clink/clink_x86.exe
Resource
win11-20240802-en
Behavioral task
behavioral21
Sample
vk_swiftshader.dll
Resource
win11-20240802-en
Behavioral task
behavioral22
Sample
vulkan-1.dll
Resource
win11-20240802-en
Behavioral task
behavioral23
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11-20240802-en
Behavioral task
behavioral24
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11-20240802-en
Behavioral task
behavioral25
Sample
$PLUGINSDIR/nsis7z.dll
Resource
win11-20240802-en
Behavioral task
behavioral26
Sample
$R0/Uninstall Tabby.exe
Resource
win11-20240802-en
Behavioral task
behavioral27
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win11-20240802-en
Behavioral task
behavioral28
Sample
$PLUGINSDIR/System.dll
Resource
win11-20240802-en
Behavioral task
behavioral29
Sample
$PLUGINSDIR/UAC.dll
Resource
win11-20240802-en
Behavioral task
behavioral30
Sample
$PLUGINSDIR/WinShell.dll
Resource
win11-20240802-en
Behavioral task
behavioral31
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11-20240802-en
Behavioral task
behavioral32
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11-20240802-en
General
-
Target
$PLUGINSDIR/nsis7z.dll
-
Size
424KB
-
MD5
80e44ce4895304c6a3a831310fbf8cd0
-
SHA1
36bd49ae21c460be5753a904b4501f1abca53508
-
SHA256
b393f05e8ff919ef071181050e1873c9a776e1a0ae8329aefff7007d0cadf592
-
SHA512
c8ba7b1f9113ead23e993e74a48c4427ae3562c1f6d9910b2bbe6806c9107cf7d94bc7d204613e4743d0cd869e00dafd4fb54aad1e8adb69c553f3b9e5bc64df
-
SSDEEP
6144:aUWQQ5O3fz0NG3ucDaEUTWfk+ZA0NrCL/k+uyoyBOX1okfW7w+Pfzqibckl:an5QEG39fPAkrE4yrBOXDfaNbck
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 5764 768 WerFault.exe 81 -
System Location Discovery: System Language Discovery 1 TTPs 1 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 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1528 wrote to memory of 768 1528 rundll32.exe 81 PID 1528 wrote to memory of 768 1528 rundll32.exe 81 PID 1528 wrote to memory of 768 1528 rundll32.exe 81
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsis7z.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1528 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsis7z.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:768 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 768 -s 4763⤵
- Program crash
PID:5764
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 768 -ip 7681⤵PID:5872