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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
438s -
max time network
1164s -
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
$R0/Uninstall Tabby.exe
-
Size
533KB
-
MD5
3308d4dcd71297e960cbd2a402bcff74
-
SHA1
727a71fd553d15060050b74cd93467e7ab02da62
-
SHA256
c1b4322581ef991f78ada0e6fe1e0940169110efdba2a02311bfe9ee4bfe5937
-
SHA512
71c5985c9746f343366bc54b00a8144c7186ae0cddade1b70b7652a2d0775994a69b8870da5cad36f5eb014759cf0dc15ddaad348b28506a77330f6f45e47479
-
SSDEEP
3072:kn77v00hEoDEtautf+NBCW/iFJAQVUp93kLpz4/tv27X1EMdlCOElQ/HlbVQS5Yu:k740I3jBqRoIobLMr2Ua8T2t0EyL+yaD
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 5824 Un_A.exe -
Loads dropped DLL 4 IoCs
pid Process 5824 Un_A.exe 5824 Un_A.exe 5824 Un_A.exe 5824 Un_A.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 Uninstall Tabby.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Un_A.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3788 wrote to memory of 5824 3788 Uninstall Tabby.exe 78 PID 3788 wrote to memory of 5824 3788 Uninstall Tabby.exe 78 PID 3788 wrote to memory of 5824 3788 Uninstall Tabby.exe 78
Processes
-
C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall Tabby.exe"C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall Tabby.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3788 -
C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe"C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\$R0\2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:5824
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
100KB
MD5c6a6e03f77c313b267498515488c5740
SHA13d49fc2784b9450962ed6b82b46e9c3c957d7c15
SHA256b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e
SHA5129870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803
-
Filesize
12KB
MD50d7ad4f45dc6f5aa87f606d0331c6901
SHA148df0911f0484cbe2a8cdd5362140b63c41ee457
SHA2563eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
SHA512c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9
-
Filesize
14KB
MD5adb29e6b186daa765dc750128649b63d
SHA1160cbdc4cb0ac2c142d361df138c537aa7e708c9
SHA2562f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08
SHA512b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada
-
Filesize
9KB
MD5466179e1c8ee8a1ff5e4427dbb6c4a01
SHA1eb607467009074278e4bd50c7eab400e95ae48f7
SHA2561e40211af65923c2f4fd02ce021458a7745d28e2f383835e3015e96575632172
SHA5127508a29c722d45297bfb090c8eb49bd1560ef7d4b35413f16a8aed62d3b1030a93d001a09de98c2b9fea9acf062dc99a7278786f4ece222e7436b261d14ca817
-
Filesize
533KB
MD53308d4dcd71297e960cbd2a402bcff74
SHA1727a71fd553d15060050b74cd93467e7ab02da62
SHA256c1b4322581ef991f78ada0e6fe1e0940169110efdba2a02311bfe9ee4bfe5937
SHA51271c5985c9746f343366bc54b00a8144c7186ae0cddade1b70b7652a2d0775994a69b8870da5cad36f5eb014759cf0dc15ddaad348b28506a77330f6f45e47479