Overview
overview
7Static
static
3bf388f9182...7N.exe
windows7-x64
7bf388f9182...7N.exe
windows10-2004-x64
7$PLUGINSDI...ns.dll
windows7-x64
3$PLUGINSDI...ns.dll
windows10-2004-x64
3$PLUGINSDI...nu.dll
windows7-x64
3$PLUGINSDI...nu.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3Uninstall.exe
windows7-x64
7Uninstall.exe
windows10-2004-x64
7ast.dll
windows7-x64
3ast.dll
windows10-2004-x64
3home.url
windows7-x64
6home.url
windows10-2004-x64
3popr.chm
windows7-x64
1popr.chm
windows10-2004-x64
1popr.exe
windows7-x64
6popr.exe
windows10-2004-x64
3Analysis
-
max time kernel
116s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
10-11-2024 00:25
Static task
static1
Behavioral task
behavioral1
Sample
bf388f9182f816e19fb683e7f719fac66f294028c24e2b536273d7d355e51277N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
bf388f9182f816e19fb683e7f719fac66f294028c24e2b536273d7d355e51277N.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/System.dll
Resource
win7-20241010-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral9
Sample
Uninstall.exe
Resource
win7-20240903-en
Behavioral task
behavioral10
Sample
Uninstall.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral11
Sample
ast.dll
Resource
win7-20240903-en
Behavioral task
behavioral12
Sample
ast.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral13
Sample
home.url
Resource
win7-20240903-en
Behavioral task
behavioral14
Sample
home.url
Resource
win10v2004-20241007-en
Behavioral task
behavioral15
Sample
popr.chm
Resource
win7-20240903-en
Behavioral task
behavioral16
Sample
popr.chm
Resource
win10v2004-20241007-en
Behavioral task
behavioral17
Sample
popr.exe
Resource
win7-20240708-en
Behavioral task
behavioral18
Sample
popr.exe
Resource
win10v2004-20241007-en
General
-
Target
Uninstall.exe
-
Size
40KB
-
MD5
4d781f6e8dfedee3cf2bda540655a70d
-
SHA1
5aef00094b15790491f22da963070841dfddec5b
-
SHA256
2781156cc6ceb1ab85ec1243cba9d5bb1d71ce385b5ea33c353fb29a57587327
-
SHA512
ce75a3631ba8dac98e57badc6d8c04b2a7fe8a16fc081a4b686fcde80314bac9bd2e698989bf3e25ff45b8b1d646514379b0033b88d236cf4ce384cf1a2387bb
-
SSDEEP
768:jgUpAudwtjpQaCyMRiNH/buv1dTm61pF/O71mJDFwPiq7bnaF9hv:sUiudwBp3CyM8HsWmJRUiq7zaFz
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
Processes:
Au_.exepid process 2568 Au_.exe -
Loads dropped DLL 4 IoCs
Processes:
Uninstall.exeAu_.exepid process 2116 Uninstall.exe 2568 Au_.exe 2568 Au_.exe 2568 Au_.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
Uninstall.exeAu_.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Uninstall.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Au_.exe -
NSIS installer 1 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe nsis_installer_1 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
Au_.exepid process 2568 Au_.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
Uninstall.exedescription pid process target process PID 2116 wrote to memory of 2568 2116 Uninstall.exe Au_.exe PID 2116 wrote to memory of 2568 2116 Uninstall.exe Au_.exe PID 2116 wrote to memory of 2568 2116 Uninstall.exe Au_.exe PID 2116 wrote to memory of 2568 2116 Uninstall.exe Au_.exe PID 2116 wrote to memory of 2568 2116 Uninstall.exe Au_.exe PID 2116 wrote to memory of 2568 2116 Uninstall.exe Au_.exe PID 2116 wrote to memory of 2568 2116 Uninstall.exe Au_.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2116 -
C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe"C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
PID:2568
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
40KB
MD54d781f6e8dfedee3cf2bda540655a70d
SHA15aef00094b15790491f22da963070841dfddec5b
SHA2562781156cc6ceb1ab85ec1243cba9d5bb1d71ce385b5ea33c353fb29a57587327
SHA512ce75a3631ba8dac98e57badc6d8c04b2a7fe8a16fc081a4b686fcde80314bac9bd2e698989bf3e25ff45b8b1d646514379b0033b88d236cf4ce384cf1a2387bb