Overview
overview
7Static
static
3oakbough-f...up.exe
windows10-2004-x64
7oakbough-f...up.exe
windows11-ltsc_2024-x64
7$PLUGINSDI...ID.dll
windows10-2004-x64
3$PLUGINSDI...ID.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...nu.dll
windows10-2004-x64
3$PLUGINSDI...nu.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...ls.dll
windows10-2004-x64
3$PLUGINSDI...ls.dll
windows11-ltsc_2024-x64
3stemmafiles-cli.exe
windows10-2004-x64
1stemmafiles-cli.exe
windows11-ltsc_2024-x64
1stemmafiles.exe
windows10-2004-x64
1stemmafiles.exe
windows11-ltsc_2024-x64
1uninstall.exe
windows10-2004-x64
7uninstall.exe
windows11-ltsc_2024-x64
7$PLUGINSDI...LL.dll
windows10-2004-x64
3$PLUGINSDI...LL.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...ls.dll
windows10-2004-x64
3$PLUGINSDI...ls.dll
windows11-ltsc_2024-x64
3Analysis
- max time kernel
148s - max time network
126s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
26/09/2026, 16:07
Static task
static1
Behavioral task
behavioral1
Sample
oakbough-family_0.11.0_x64-setup.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
oakbough-family_0.11.0_x64-setup.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/ApplicationID.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/ApplicationID.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/System.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/nsis_tauri_utils.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/nsis_tauri_utils.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral13
Sample
stemmafiles-cli.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral14
Sample
stemmafiles-cli.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral15
Sample
stemmafiles.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral16
Sample
stemmafiles.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral17
Sample
uninstall.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral18
Sample
uninstall.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral19
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral20
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral21
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral22
Sample
$PLUGINSDIR/System.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral23
Sample
$PLUGINSDIR/nsis_tauri_utils.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral24
Sample
$PLUGINSDIR/nsis_tauri_utils.dll
Resource
win11ltsc2024-20260911-en
General
- Target uninstall.exe
- Size 736KB
- Sample260926-tk4resfa44
- SHA256 de46b979e9a42240752c47e892e1f40abd356b5f1617ca9d76baeec8b4204581
- MD5 e05e0c8a5faf41352f49d75525185eb1
- SHA1 e93b5b8f95fda2e650aacf26c66a095f988a0421
- SHA512 9d141bdb07e2d6211ed91a4b3e03fe96bbc2bf75c3be772ddb127212af8c86bbb54535d270b8977379c78e1be329dd1b15eeba786d0a425e3ce58ab7ffb858c4
- SSDEEP 12288:tf/XF9ku2BXVPC7SPZEBxpeHOkdAyUZrMmw4OOfCAbDWCVC63tuC:tH72BXVKOhEBwOkdABDPbDr33tuC
- TLSH T16AF4132CBF26CCF6ED7649304583EA5B4E212E7989469713E710067FDD33572EA1A30A
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Deletes itself 1 TTPs 1 IoCs
pid Process 4232 Un.exe - Executes dropped EXE 1 IoCs
pid Process 4232 Un.exe - Loads dropped DLL 3 IoCs
pid Process 4232 Un.exe 4232 Un.exe 4232 Un.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 Un.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language uninstall.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4232 Un.exe 4232 Un.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4812 wrote to memory of 4232 4812 uninstall.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\uninstall.exe"C:\Users\Admin\AppData\Local\Temp\uninstall.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4812 -
C:\Users\Admin\AppData\Local\Temp\~nsu1.tmp\Un.exe"C:\Users\Admin\AppData\Local\Temp\~nsu1.tmp\Un.exe" _?=C:\Users\Admin\AppData\Local\Temp\2⤵
- Deletes itself
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:4232
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\nsq7514.tmp\LangDLL.dll
- Size 8KB
- SHA256 2e08e077a0800ec39c0596f4dd91cbbfa917eeef2d75a00767917b8d1f6884ac
- MD5 313661ec12ed5ce1fd0b3292bf02cb69
- SHA1 fd341676cf680a9f0f690c35b43feadc0693e9a8
- SHA512 a16f35c6019eb1431a3d03fb7d0935c272756f2a8363f541e168a55b2e20a85ee90191715c845ab0588eef8f2af6cf91ac75c5bf1a5d0c61c513339006da9ff2
- SSDEEP 96:b0nLo47eYkrGj23kBTPEa8ir2qUuRkNB/RMZCabEO/2/HdNfdpX2N:KoZYkrGj20tEEeYkv/RaCA/2/9h2N
- TLSH T13402D6DEFF0959F5C83395344096F25FC51D7426CA3B0E46EE1B0629BA2A9FC2A0D206
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\nsq7514.tmp\System.dll
- Size 28KB
- SHA256 b89448b9fd7be5ef215cac6d973a57c0e75e1fffa25552afe174855c9b71fdf9
- MD5 81e34f1c4b04a15dbce200c52f598f67
- SHA1 f40a922ad7a5494e2aeeaa2b961d96738e888af7
- SHA512 577f52a292075269f0e8ec4c6d243b2ed411872e009839553020929a8263174ad97943f150543e4ea6cb327d95e227f4065441a9d2106b7cabf1cb872dbcc181
- SSDEEP 384:xmEs6sVqQq0DwRiGUaLYuAXLaMoy4m973uwYkvZ6YfkzB8yy1Eiu8ILvFd/9:xmEwqZ2wRiGUcY8TBsdvEbB8yyvIJ
- TLSH T1DFD20A2AFF06C8F2D1B1D570889EE677C526782957220E7BFF1B9E4CFC236825A19105
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\nsq7514.tmp\nsis_tauri_utils.dll
- Size 1.1MB
- SHA256 0eed48313a7f904d7cc1977b70000ab3f11f18cadc8e6a69b807d288ca71f9db
- MD5 1e38f56aba852b737f2866c48b823165
- SHA1 53a7cfaeb6a4a9653d6d5fbff02a3c3b8720130a
- SHA512 5cbf6ca67aee29f5afbbaf57a72eb58e8f85b692e69aa5acd5817b00dc6948486189a8e74f4fcae302e9c453cc770eef78b3ffa70a914d911246e5b4992fc9a4
- SSDEEP 24576:wSi9LsLAEnNUYZbeC4JwA9HU7Ncot2O/rBWDTRYQn652FOVE5TmcnlgVIH06iyQ:di9Y/W07NP/eTRPLD1n2IU6i3
- TLSH T1E545AD81FAC29AB1C94F1674105FE33BAB3558084756CFE3D7809E31F8673A25DA929C
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\~nsu1.tmp\Un.exe
- Size 736KB
- SHA256 de46b979e9a42240752c47e892e1f40abd356b5f1617ca9d76baeec8b4204581
- MD5 e05e0c8a5faf41352f49d75525185eb1
- SHA1 e93b5b8f95fda2e650aacf26c66a095f988a0421
- SHA512 9d141bdb07e2d6211ed91a4b3e03fe96bbc2bf75c3be772ddb127212af8c86bbb54535d270b8977379c78e1be329dd1b15eeba786d0a425e3ce58ab7ffb858c4
- SSDEEP 12288:tf/XF9ku2BXVPC7SPZEBxpeHOkdAyUZrMmw4OOfCAbDWCVC63tuC:tH72BXVKOhEBwOkdABDPbDr33tuC
- TLSH T16AF4132CBF26CCF6ED7649304583EA5B4E212E7989469713E710067FDD33572EA1A30A
- MD5 SHA1 SHA512 SSDEEP TLSH