Overview
overview
7Static
static
3TecknixClient.exe
windows7-x64
7TecknixClient.exe
windows10-2004-x64
7$PLUGINSDI...ls.dll
windows7-x64
3$PLUGINSDI...ls.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDIR/UAC.dll
windows7-x64
3$PLUGINSDIR/UAC.dll
windows10-2004-x64
3$PLUGINSDI...ll.dll
windows7-x64
3$PLUGINSDI...ll.dll
windows10-2004-x64
3$PLUGINSDIR/app-64.7z
windows7-x64
3$PLUGINSDIR/app-64.7z
windows10-2004-x64
7LICENSE.electron.txt
windows7-x64
1LICENSE.electron.txt
windows10-2004-x64
1LICENSES.c...m.html
windows7-x64
1LICENSES.c...m.html
windows10-2004-x64
1Tecknix Client.exe
windows7-x64
7Tecknix Client.exe
windows10-2004-x64
7chrome_100...nt.pak
windows7-x64
3chrome_100...nt.pak
windows10-2004-x64
3chrome_200...nt.pak
windows7-x64
3chrome_200...nt.pak
windows10-2004-x64
3d3dcompiler_47.dll
windows10-2004-x64
1ffmpeg.dll
windows7-x64
1ffmpeg.dll
windows10-2004-x64
1icudtl.dat
windows7-x64
3icudtl.dat
windows10-2004-x64
3libEGL.dll
windows7-x64
1libEGL.dll
windows10-2004-x64
1libGLESv2.dll
windows7-x64
1libGLESv2.dll
windows10-2004-x64
1locales/af.pak
windows7-x64
3Analysis
-
max time kernel
121s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
22/02/2024, 04:29
Static task
static1
Behavioral task
behavioral1
Sample
TecknixClient.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
TecknixClient.exe
Resource
win10v2004-20240221-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win10v2004-20240221-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240221-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/UAC.dll
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/UAC.dll
Resource
win10v2004-20240221-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/WinShell.dll
Resource
win7-20240220-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/WinShell.dll
Resource
win10v2004-20240221-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/app-64.7z
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/app-64.7z
Resource
win10v2004-20240221-en
Behavioral task
behavioral13
Sample
LICENSE.electron.txt
Resource
win7-20240221-en
Behavioral task
behavioral14
Sample
LICENSE.electron.txt
Resource
win10v2004-20240221-en
Behavioral task
behavioral15
Sample
LICENSES.chromium.html
Resource
win7-20240221-en
Behavioral task
behavioral16
Sample
LICENSES.chromium.html
Resource
win10v2004-20240221-en
Behavioral task
behavioral17
Sample
Tecknix Client.exe
Resource
win7-20240221-en
Behavioral task
behavioral18
Sample
Tecknix Client.exe
Resource
win10v2004-20240221-en
Behavioral task
behavioral19
Sample
chrome_100_percent.pak
Resource
win7-20240215-en
Behavioral task
behavioral20
Sample
chrome_100_percent.pak
Resource
win10v2004-20240221-en
Behavioral task
behavioral21
Sample
chrome_200_percent.pak
Resource
win7-20240221-en
Behavioral task
behavioral22
Sample
chrome_200_percent.pak
Resource
win10v2004-20240221-en
Behavioral task
behavioral23
Sample
d3dcompiler_47.dll
Resource
win10v2004-20240221-en
Behavioral task
behavioral24
Sample
ffmpeg.dll
Resource
win7-20240221-en
Behavioral task
behavioral25
Sample
ffmpeg.dll
Resource
win10v2004-20240221-en
Behavioral task
behavioral26
Sample
icudtl.dat
Resource
win7-20240221-en
Behavioral task
behavioral27
Sample
icudtl.dat
Resource
win10v2004-20240221-en
Behavioral task
behavioral28
Sample
libEGL.dll
Resource
win7-20240215-en
Behavioral task
behavioral29
Sample
libEGL.dll
Resource
win10v2004-20240221-en
Behavioral task
behavioral30
Sample
libGLESv2.dll
Resource
win7-20240221-en
Behavioral task
behavioral31
Sample
libGLESv2.dll
Resource
win10v2004-20240221-en
Behavioral task
behavioral32
Sample
locales/af.pak
Resource
win7-20240221-en
General
-
Target
$PLUGINSDIR/app-64.7z
-
Size
59.6MB
-
MD5
4d9a002aa0e35b6d7cff66820f6b2bcf
-
SHA1
36cca0d8b0bcdd88a725a32e579998bedc229961
-
SHA256
eea9a7800d2a2bc90e78ec934c34c0177a3ffc15bb18eef5f32c2d52356f9c83
-
SHA512
10186decffe9d2f92bbda852b2679e8878d9028acad8cf38e5c5af6c05a015a80f93dd78f8483abc886c7c8e4ef6c5db600be1f9bba31e8146004c9ee35b01f4
-
SSDEEP
1572864:WHOujIgjEO4KFye+tafQNCEg84MyILKuCRxD15vj3F:qOuXjEKFyDKfEABiK73h5vbF
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2860 7zFM.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeRestorePrivilege 2860 7zFM.exe Token: 35 2860 7zFM.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2860 7zFM.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2360 wrote to memory of 2860 2360 cmd.exe 29 PID 2360 wrote to memory of 2860 2360 cmd.exe 29 PID 2360 wrote to memory of 2860 2360 cmd.exe 29
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\app-64.7z1⤵
- Suspicious use of WriteProcessMemory
PID:2360 -
C:\Program Files\7-Zip\7zFM.exe"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\app-64.7z"2⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2860
-