Overview
overview
10Static
static
3TikToKBuilder.exe
windows11-21h2-x64
10$PLUGINSDI...ls.dll
windows11-21h2-x64
3$PLUGINSDI...em.dll
windows11-21h2-x64
3LICENSES.c...m.html
windows11-21h2-x64
1TikToKBuilder.exe
windows11-21h2-x64
10d3dcompiler_47.dll
windows11-21h2-x64
1ffmpeg.dll
windows11-21h2-x64
1libEGL.dll
windows11-21h2-x64
1libGLESv2.dll
windows11-21h2-x64
1locales/am.ps1
windows11-21h2-x64
1locales/et.ps1
windows11-21h2-x64
1locales/gu.ps1
windows11-21h2-x64
1locales/ml.ps1
windows11-21h2-x64
1locales/ms.ps1
windows11-21h2-x64
1locales/ru.ps1
windows11-21h2-x64
1resources/elevate.exe
windows11-21h2-x64
1vk_swiftshader.dll
windows11-21h2-x64
1vulkan-1.dll
windows11-21h2-x64
1$PLUGINSDI...7z.dll
windows11-21h2-x64
3Analysis
-
max time kernel
1473s -
max time network
1495s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
03-03-2024 20:57
Static task
static1
Behavioral task
behavioral1
Sample
TikToKBuilder.exe
Resource
win11-20240221-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win11-20240221-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win11-20240221-en
Behavioral task
behavioral4
Sample
LICENSES.chromium.html
Resource
win11-20240221-en
Behavioral task
behavioral5
Sample
TikToKBuilder.exe
Resource
win11-20240221-en
Behavioral task
behavioral6
Sample
d3dcompiler_47.dll
Resource
win11-20240221-en
Behavioral task
behavioral7
Sample
ffmpeg.dll
Resource
win11-20240221-en
Behavioral task
behavioral8
Sample
libEGL.dll
Resource
win11-20240221-en
Behavioral task
behavioral9
Sample
libGLESv2.dll
Resource
win11-20240221-en
Behavioral task
behavioral10
Sample
locales/am.ps1
Resource
win11-20240221-en
Behavioral task
behavioral11
Sample
locales/et.ps1
Resource
win11-20240221-en
Behavioral task
behavioral12
Sample
locales/gu.ps1
Resource
win11-20240221-en
Behavioral task
behavioral13
Sample
locales/ml.ps1
Resource
win11-20240221-en
Behavioral task
behavioral14
Sample
locales/ms.ps1
Resource
win11-20240221-en
Behavioral task
behavioral15
Sample
locales/ru.ps1
Resource
win11-20240221-en
Behavioral task
behavioral16
Sample
resources/elevate.exe
Resource
win11-20240221-en
Behavioral task
behavioral17
Sample
vk_swiftshader.dll
Resource
win11-20240221-en
Behavioral task
behavioral18
Sample
vulkan-1.dll
Resource
win11-20240221-en
Behavioral task
behavioral19
Sample
$PLUGINSDIR/nsis7z.dll
Resource
win11-20240221-en
General
-
Target
$PLUGINSDIR/System.dll
-
Size
12KB
-
MD5
0d7ad4f45dc6f5aa87f606d0331c6901
-
SHA1
48df0911f0484cbe2a8cdd5362140b63c41ee457
-
SHA256
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
-
SHA512
c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9
-
SSDEEP
192:1enY0LWelt70elWjvfstJcVtwtYbjnIOg5AaDnbC7ypXhtIj:18PJlt70esj0Mt9vn6ay6
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 3640 1560 WerFault.exe 77 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1244 wrote to memory of 1560 1244 rundll32.exe 77 PID 1244 wrote to memory of 1560 1244 rundll32.exe 77 PID 1244 wrote to memory of 1560 1244 rundll32.exe 77
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1244 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#12⤵PID:1560
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1560 -s 4603⤵
- Program crash
PID:3640
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1560 -ip 15601⤵PID:2824