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
1LICENSES.c...m.html
windows7-x64
3LICENSES.c...m.html
windows10-2004-x64
3Ultimate Tweaks.exe
windows7-x64
1Ultimate Tweaks.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
1libEGL.dll
windows7-x64
1libEGL.dll
windows10-2004-x64
1libGLESv2.dll
windows7-x64
1libGLESv2.dll
windows10-2004-x64
1resources/elevate.exe
windows7-x64
3resources/elevate.exe
windows10-2004-x64
3snapshot_blob.bin
windows7-x64
3Analysis
-
max time kernel
102s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
09-08-2024 12:03
Behavioral task
behavioral1
Sample
Ultimate Tweaks.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
Ultimate Tweaks.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win7-20240729-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
win7-20240729-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
win7-20240705-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/app-64.7z
Resource
win10v2004-20240802-en
Behavioral task
behavioral13
Sample
LICENSE.electron.txt
Resource
win7-20240705-en
Behavioral task
behavioral14
Sample
LICENSE.electron.txt
Resource
win10v2004-20240802-en
Behavioral task
behavioral15
Sample
LICENSES.chromium.html
Resource
win7-20240704-en
Behavioral task
behavioral16
Sample
LICENSES.chromium.html
Resource
win10v2004-20240802-en
Behavioral task
behavioral17
Sample
Ultimate Tweaks.exe
Resource
win7-20240705-en
Behavioral task
behavioral18
Sample
Ultimate Tweaks.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral19
Sample
chrome_100_percent.pak
Resource
win7-20240708-en
Behavioral task
behavioral20
Sample
chrome_100_percent.pak
Resource
win10v2004-20240802-en
Behavioral task
behavioral21
Sample
chrome_200_percent.pak
Resource
win7-20240729-en
Behavioral task
behavioral22
Sample
chrome_200_percent.pak
Resource
win10v2004-20240802-en
Behavioral task
behavioral23
Sample
d3dcompiler_47.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral24
Sample
ffmpeg.dll
Resource
win7-20240704-en
Behavioral task
behavioral25
Sample
ffmpeg.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral26
Sample
libEGL.dll
Resource
win7-20240708-en
Behavioral task
behavioral27
Sample
libEGL.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral28
Sample
libGLESv2.dll
Resource
win7-20240704-en
Behavioral task
behavioral29
Sample
libGLESv2.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral30
Sample
resources/elevate.exe
Resource
win7-20240705-en
Behavioral task
behavioral31
Sample
resources/elevate.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral32
Sample
snapshot_blob.bin
Resource
win7-20240708-en
General
-
Target
chrome_100_percent.pak
-
Size
150KB
-
MD5
b1bccf31fa5710207026d373edd96161
-
SHA1
ae7bb0c083aea838df1d78d61b54fb76c9a1182e
-
SHA256
49aff5690cb9b0f54f831351aa0f64416ba180a0c4891a859fa7294e81e9c8e3
-
SHA512
134a13ad86f8bd20a1d2350236269fd39c306389a600556a82025d5e0d5adaab0709d59e9b7ee96e8e2d25b6df49fefea27cdccefe5fba9687abf92a9a941d91
-
SSDEEP
3072:AzwJCGIekwENgMBsFAXg6VKdL2o418Gb0+VRLf0ld0GY3cQ3ERVm2I:Azw1IekmMBdQXK18Gb0OV8ld0GecQ3Ey
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-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\.pak rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\pak_auto_file\shell\Read rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\pak_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\pak_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\pak_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\pak_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\pak_auto_file\shell\Read\command rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_Classes\Local Settings rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\.pak\ = "pak_auto_file" rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2720 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2720 AcroRd32.exe 2720 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1508 wrote to memory of 2292 1508 cmd.exe 30 PID 1508 wrote to memory of 2292 1508 cmd.exe 30 PID 1508 wrote to memory of 2292 1508 cmd.exe 30 PID 2292 wrote to memory of 2720 2292 rundll32.exe 31 PID 2292 wrote to memory of 2720 2292 rundll32.exe 31 PID 2292 wrote to memory of 2720 2292 rundll32.exe 31 PID 2292 wrote to memory of 2720 2292 rundll32.exe 31
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\chrome_100_percent.pak1⤵
- Suspicious use of WriteProcessMemory
PID:1508 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\chrome_100_percent.pak2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2292 -
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\chrome_100_percent.pak"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2720
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
3KB
MD5cb619c78c875f509e23459dbc617cffa
SHA17f189f7003a24d88982dc8dd114cedff883e0540
SHA2564ed5957bdc761ae1211f7d6f9a26ca04fc587a048e9ee804a3fd751496e6f5bb
SHA51233e605cb05e0d0ef52f7a3eded33f218551eb5913711cbbd854b7b71386c9c046e5107f0e9c5370aac812b3c8a2843c22004083f1be1642344ec068bd8240ef7