Overview
overview
10Static
static
10Ultimate Tweaks.exe
windows7-x64
7Ultimate Tweaks.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
3LICENSE.electron.txt
windows7-x64
1LICENSE.electron.txt
windows10-2004-x64
1chrome_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
3icudtl.dat
windows7-x64
3icudtl.dat
windows10-2004-x64
3locales/af.pak
windows7-x64
3locales/af.pak
windows10-2004-x64
3locales/am.pak
windows7-x64
3locales/am.pak
windows10-2004-x64
3locales/ar.pak
windows7-x64
3locales/ar.pak
windows10-2004-x64
3locales/bg.pak
windows7-x64
3locales/bg.pak
windows10-2004-x64
3locales/bn.pak
windows7-x64
3locales/bn.pak
windows10-2004-x64
3locales/ca.pak
windows7-x64
3locales/ca.pak
windows10-2004-x64
3Analysis
-
max time kernel
121s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
22-08-2024 20:27
Behavioral task
behavioral1
Sample
Ultimate Tweaks.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
Ultimate Tweaks.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win7-20240704-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240704-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/UAC.dll
Resource
win7-20240708-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/UAC.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/WinShell.dll
Resource
win7-20240708-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/WinShell.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/app-64.7z
Resource
win7-20240704-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/app-64.7z
Resource
win10v2004-20240802-en
Behavioral task
behavioral13
Sample
LICENSE.electron.txt
Resource
win7-20240708-en
Behavioral task
behavioral14
Sample
LICENSE.electron.txt
Resource
win10v2004-20240802-en
Behavioral task
behavioral15
Sample
chrome_100_percent.pak
Resource
win7-20240729-en
Behavioral task
behavioral16
Sample
chrome_100_percent.pak
Resource
win10v2004-20240802-en
Behavioral task
behavioral17
Sample
chrome_200_percent.pak
Resource
win7-20240704-en
Behavioral task
behavioral18
Sample
chrome_200_percent.pak
Resource
win10v2004-20240802-en
Behavioral task
behavioral19
Sample
icudtl.dat
Resource
win7-20240708-en
Behavioral task
behavioral20
Sample
icudtl.dat
Resource
win10v2004-20240802-en
Behavioral task
behavioral21
Sample
locales/af.pak
Resource
win7-20240705-en
Behavioral task
behavioral22
Sample
locales/af.pak
Resource
win10v2004-20240802-en
Behavioral task
behavioral23
Sample
locales/am.pak
Resource
win7-20240708-en
Behavioral task
behavioral24
Sample
locales/am.pak
Resource
win10v2004-20240802-en
Behavioral task
behavioral25
Sample
locales/ar.pak
Resource
win7-20240704-en
Behavioral task
behavioral26
Sample
locales/ar.pak
Resource
win10v2004-20240802-en
Behavioral task
behavioral27
Sample
locales/bg.pak
Resource
win7-20240708-en
Behavioral task
behavioral28
Sample
locales/bg.pak
Resource
win10v2004-20240802-en
Behavioral task
behavioral29
Sample
locales/bn.pak
Resource
win7-20240704-en
Behavioral task
behavioral30
Sample
locales/bn.pak
Resource
win10v2004-20240802-en
Behavioral task
behavioral31
Sample
locales/ca.pak
Resource
win7-20240705-en
Behavioral task
behavioral32
Sample
locales/ca.pak
Resource
win10v2004-20240802-en
General
-
Target
locales/af.pak
-
Size
478KB
-
MD5
9554e414159d76754147d7e185056094
-
SHA1
e0fb0c95cef8e8d1ebeb11a6e2ea03b9067d799e
-
SHA256
f402c0d8494c9a2fceedcd7845ddf43b62e7d01ddb1d9c8e132efea83b724824
-
SHA512
9e8b41f69605d7bd426243e49b0f22347b211f7d13038ee6350d86d06cc7274bb2ef1918e27548802a5437903a653d86fce85338fa97f8c9642c0e74ed59ae88
-
SSDEEP
12288:S/n+3zo5ExirXKhaG1B2+H2JynyaI4IVzZo0vgElgA2W0PSq+2ss30fzO75g6tlX:u+3zouxkXyd1B2+H2JynyaI4IVzZo0v2
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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 AcroRd32.exe -
Modifies registry class 9 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\.pak rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\.pak\ = "pak_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\pak_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\pak_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\pak_auto_file\shell\Read\command rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_Classes\Local Settings rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\pak_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\pak_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\pak_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2756 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2756 AcroRd32.exe 2756 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 3016 wrote to memory of 2984 3016 cmd.exe 31 PID 3016 wrote to memory of 2984 3016 cmd.exe 31 PID 3016 wrote to memory of 2984 3016 cmd.exe 31 PID 2984 wrote to memory of 2756 2984 rundll32.exe 33 PID 2984 wrote to memory of 2756 2984 rundll32.exe 33 PID 2984 wrote to memory of 2756 2984 rundll32.exe 33 PID 2984 wrote to memory of 2756 2984 rundll32.exe 33
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\locales\af.pak1⤵
- Suspicious use of WriteProcessMemory
PID:3016 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\af.pak2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2984 -
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\locales\af.pak"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2756
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
3KB
MD51003066c46182f4cfc2ecfa30232e66a
SHA14d486491d46709a948468e6603837efafbf773fa
SHA25640cbf46372cc4a3a9baeaecc89ac0463034f13ca8a382b1a0350cbc636bb0c80
SHA5124284d59158fbb271c82f4535ffb99029d110ba5631a3f5bb7e319b770792c7608d2700d688e2b14cfc0d11b1d101d499c6d3ac9d79ae6633ba16a5bdd8d10c32