Overview
overview
7Static
static
3UnionCrax.....3.exe
windows10-2004-x64
7UnionCrax.....3.exe
windows11-ltsc_2024-x64
7$PLUGINSDI...ls.dll
windows10-2004-x64
3$PLUGINSDI...ls.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows11-ltsc_2024-x64
3$PLUGINSDIR/UAC.dll
windows10-2004-x64
3$PLUGINSDIR/UAC.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...ll.dll
windows10-2004-x64
3$PLUGINSDI...ll.dll
windows11-ltsc_2024-x64
3resources/SDL2.dll
windows10-2004-x64
1resources/SDL2.dll
windows11-ltsc_2024-x64
1resources/...aria2c
ubuntu-18.04-amd64
1resources/...2c.exe
windows10-2004-x64
1resources/...2c.exe
windows11-ltsc_2024-x64
1resources/...ve.dll
windows10-2004-x64
1resources/...ve.dll
windows11-ltsc_2024-x64
1resources/.../7x.sh
ubuntu-18.04-amd64
3resources/.../7x.sh
debian-9-armhf
3resources/.../7x.sh
debian-9-mips
resources/.../7x.sh
debian-9-mipsel
resources/...dex.js
windows10-2004-x64
3resources/...dex.js
windows11-ltsc_2024-x64
3resources/...rm/7za
debian-12-armhf
4resources/...64/7za
ubuntu-18.04-amd64
resources/...64/7za
debian-9-armhf
resources/...64/7za
debian-9-mips
resources/...64/7za
debian-9-mipsel
resources/...32/7za
ubuntu-18.04-amd64
resources/...64/7za
ubuntu-18.04-amd64
3resources/...ild.sh
ubuntu-18.04-amd64
3resources/...ild.sh
debian-9-armhf
3Analysis
- max time kernel
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
05/07/2026, 09:42
Static task
static1
Behavioral task
behavioral1
Sample
UnionCrax.Direct.Setup.2.7.3.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
UnionCrax.Direct.Setup.2.7.3.exe
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/UAC.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/UAC.dll
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/WinShell.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/WinShell.dll
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral11
Sample
resources/SDL2.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral12
Sample
resources/SDL2.dll
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral13
Sample
resources/app.asar.unpacked/assets/bin/aria2/linux-x64/aria2c
Resource
ubuntu1804-amd64-20260513-en
Behavioral task
behavioral14
Sample
resources/app.asar.unpacked/assets/bin/aria2/win32-x64/aria2c.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral15
Sample
resources/app.asar.unpacked/assets/bin/aria2/win32-x64/aria2c.exe
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral16
Sample
resources/app.asar.unpacked/electron/native/build/Release/uc_overlay_native.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral17
Sample
resources/app.asar.unpacked/electron/native/build/Release/uc_overlay_native.dll
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral18
Sample
resources/app.asar.unpacked/node_modules/7zip-bin/7x.sh
Resource
ubuntu1804-amd64-20260513-en
Behavioral task
behavioral19
Sample
resources/app.asar.unpacked/node_modules/7zip-bin/7x.sh
Resource
debian9-armhf-20260513-en
Behavioral task
behavioral20
Sample
resources/app.asar.unpacked/node_modules/7zip-bin/7x.sh
Resource
debian9-mipsbe-20260513-en
Behavioral task
behavioral21
Sample
resources/app.asar.unpacked/node_modules/7zip-bin/7x.sh
Resource
debian9-mipsel-20260513-en
Behavioral task
behavioral22
Sample
resources/app.asar.unpacked/node_modules/7zip-bin/index.js
Resource
win10v2004-20260513-en
Behavioral task
behavioral23
Sample
resources/app.asar.unpacked/node_modules/7zip-bin/index.js
Resource
win11ltsc2024-20260629-en
Behavioral task
behavioral24
Sample
resources/app.asar.unpacked/node_modules/7zip-bin/linux/arm/7za
Resource
debian12-armhf-20260127-en
Behavioral task
behavioral25
Sample
resources/app.asar.unpacked/node_modules/7zip-bin/linux/arm64/7za
Resource
ubuntu1804-amd64-20260513-en
Behavioral task
behavioral26
Sample
resources/app.asar.unpacked/node_modules/7zip-bin/linux/arm64/7za
Resource
debian9-armhf-20260513-en
Behavioral task
behavioral27
Sample
resources/app.asar.unpacked/node_modules/7zip-bin/linux/arm64/7za
Resource
debian9-mipsbe-20260513-en
Behavioral task
behavioral28
Sample
resources/app.asar.unpacked/node_modules/7zip-bin/linux/arm64/7za
Resource
debian9-mipsel-20260513-en
Behavioral task
behavioral29
Sample
resources/app.asar.unpacked/node_modules/7zip-bin/linux/ia32/7za
Resource
ubuntu1804-amd64-20260513-en
Behavioral task
behavioral30
Sample
resources/app.asar.unpacked/node_modules/7zip-bin/linux/x64/7za
Resource
ubuntu1804-amd64-20260513-en
Behavioral task
behavioral31
Sample
resources/app.asar.unpacked/node_modules/7zip-bin/linux/x64/build.sh
Resource
ubuntu1804-amd64-20260513-en
Behavioral task
behavioral32
Sample
resources/app.asar.unpacked/node_modules/7zip-bin/linux/x64/build.sh
Resource
debian9-armhf-20260513-en
General
- Target $PLUGINSDIR/UAC.dll
- Size 14KB
- Sample260705-lpc59sbv4y
- SHA256 2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08
- MD5 adb29e6b186daa765dc750128649b63d
- SHA1 160cbdc4cb0ac2c142d361df138c537aa7e708c9
- SHA512 b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada
- SSDEEP 192:DiF6v2imI36Op/tGZGfWxdyWHD0I53vLl7WVl8e04IpDlPjs:DGVY6ClGoWxXH75T1WVl83lLs
- TLSH T10F623AAA62E847BEE2221636B96723130BFDB5203DA1D01F4D531E596C30BE3953D61A
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 5960 5688 WerFault.exe 87 - 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 1 IoCs
description pid Process procid_target PID 960 wrote to memory of 5688 960 rundll32.exe 87
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UAC.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:960 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UAC.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:5688 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5688 -s 5843⤵
- Program crash
PID:5960
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 5688 -ip 56881⤵PID:1620