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
- user interaction
yes - max time kernel
0s - platform
debian-9_armhf - resource
debian9-armhf-20260513-en - resource tags
arch:armhfimage:debian9-armhf-20260513-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem - 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 resources/app.asar.unpacked/node_modules/7zip-bin/linux/x64/build.sh
- Size 266B
- Sample260705-lpc59sbv4y
- SHA256 0ec26a7d575cc22ef6dd2fc6f35e9240593190faf20b7f76b3f4bbd2b7eab5fb
- MD5 08025b57ddf3df9bc3e2844d86e4135f
- SHA1 becacdd4705fd90eb2a8f45775572ffa08629082
- SHA512 914d2da94700e3c91974da71b16366dfc8972ad59ed64719c4eb7805a89ee3ed1b12712a292c9c73164cdb9f9df6f6cfa847eb123387ed499205d9157cdbe65f
- TLSH T1C6D02B11CC21C02159845E1B23B34714D16954F5C6E07BF998D1C87CD08A241CC3A9CF
- MD5 SHA1 SHA512 TLSH
Malware Config
Signatures
-
description ioc Process File opened for reading /proc/filesystems mkdir File opened for reading /proc/filesystems cp - System Network Configuration Discovery 1 TTPs 9 IoCs
Adversaries may gather information about the network configuration of a system.
pid Process 746 bash 752 cp 746 bash 746 bash 746 bash 746 bash 746 bash 749 dirname 746 build.sh - Writes file to tmp directory 1 IoCs
Malware often drops required files in the /tmp directory.
description ioc Process File opened for modification /tmp/7z-linux/do-build.sh cp
Processes
-
/tmp/resources/app.asar.unpacked/node_modules/7zip-bin/linux/x64/build.sh/tmp/resources/app.asar.unpacked/node_modules/7zip-bin/linux/x64/build.sh1⤵
- System Network Configuration Discovery
PID:746
-
/usr/local/sbin/bashbash /tmp/resources/app.asar.unpacked/node_modules/7zip-bin/linux/x64/build.sh1⤵
- System Network Configuration Discovery
PID:746
-
/usr/local/bin/bashbash /tmp/resources/app.asar.unpacked/node_modules/7zip-bin/linux/x64/build.sh1⤵
- System Network Configuration Discovery
PID:746
-
/usr/sbin/bashbash /tmp/resources/app.asar.unpacked/node_modules/7zip-bin/linux/x64/build.sh1⤵
- System Network Configuration Discovery
PID:746
-
/usr/bin/bashbash /tmp/resources/app.asar.unpacked/node_modules/7zip-bin/linux/x64/build.sh1⤵
- System Network Configuration Discovery
PID:746
-
/sbin/bashbash /tmp/resources/app.asar.unpacked/node_modules/7zip-bin/linux/x64/build.sh1⤵
- System Network Configuration Discovery
PID:746
-
/bin/bashbash /tmp/resources/app.asar.unpacked/node_modules/7zip-bin/linux/x64/build.sh1⤵
- System Network Configuration Discovery
PID:746 -
/usr/bin/dirnamedirname /tmp/resources/app.asar.unpacked/node_modules/7zip-bin/linux/x64/build.sh2⤵
- System Network Configuration Discovery
PID:749
-
-
/bin/rmrm -rf /tmp/7z-linux2⤵PID:750
-
-
/bin/mkdirmkdir /tmp/7z-linux2⤵
- Reads runtime system information
PID:751
-
-
/bin/cpcp /tmp/resources/app.asar.unpacked/node_modules/7zip-bin/linux/x64/do-build.sh /tmp/7z-linux/do-build.sh2⤵
- Reads runtime system information
- System Network Configuration Discovery
- Writes file to tmp directory
PID:752
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path /tmp/7z-linux/do-build.sh
- Size 646B
- SHA256 4304f90e9b9266cccf357b212c6a8ea3b0816b68c39a4d4691d638c9e2f07286
- MD5 2f48a9c98543108edadedcbf4d45b4ae
- SHA1 a7b0bafdfb070e0cc6fdfa2977648b8d07593f5e
- SHA512 cd17c759b1e7800260eb70befd37c273c78b34c44280290d60d406efe0a174cb34a727bc2cf42e8fb80bb65924ac405175bff69f34c115527ebc573a6a430b42
- TLSH T1D8F02380C864B031D5C8CE0373B69B28BC2658858FE8F95CDDA90CB8C104952B71ABCE
- MD5 SHA1 SHA512 TLSH