Overview
overview
7Static
static
3nasm-2.16....64.exe
windows7-x64
7nasm-2.16....64.exe
windows10-2004-x64
7$PLUGINSDI...nu.dll
windows7-x64
3$PLUGINSDI...nu.dll
windows10-2004-x64
3$PLUGINSDI...fo.dll
windows7-x64
3$PLUGINSDI...fo.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows7-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3Uninstall.exe
windows7-x64
7Uninstall.exe
windows10-2004-x64
7$PLUGINSDI...fo.dll
windows7-x64
3$PLUGINSDI...fo.dll
windows10-2004-x64
3nasm.exe
windows7-x64
1nasm.exe
windows10-2004-x64
1nasmdoc.pdf
windows7-x64
3nasmdoc.pdf
windows10-2004-x64
3ndisasm.exe
windows7-x64
1ndisasm.exe
windows10-2004-x64
1Analysis
-
max time kernel
95s -
max time network
98s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
05/10/2024, 14:59
Behavioral task
behavioral1
Sample
nasm-2.16.03-installer-x64.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
nasm-2.16.03-installer-x64.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win7-20240729-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral9
Sample
Uninstall.exe
Resource
win7-20240903-en
Behavioral task
behavioral10
Sample
Uninstall.exe
Resource
win10v2004-20240910-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win7-20240903-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/UserInfo.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral13
Sample
nasm.exe
Resource
win7-20240903-en
Behavioral task
behavioral14
Sample
nasm.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral15
Sample
nasmdoc.pdf
Resource
win7-20240903-en
Behavioral task
behavioral16
Sample
nasmdoc.pdf
Resource
win10v2004-20240802-en
Behavioral task
behavioral17
Sample
ndisasm.exe
Resource
win7-20240704-en
Behavioral task
behavioral18
Sample
ndisasm.exe
Resource
win10v2004-20240802-en
General
-
Target
$PLUGINSDIR/UserInfo.dll
-
Size
7KB
-
MD5
14526f5953a85912872802ae286a787a
-
SHA1
ea5815e19b07b4e8f3e197e3f6358138e364f290
-
SHA256
c224f7da273ee3815e462be08fff79b1435eb6e7733e3d4fea5bd95c9f4b1d26
-
SHA512
483ae7b8e462403f0f4bab367586f41a3ee5dea18d81da39b9c64eb1b89c8b9c78be547789fca4f26700a7a6c55bd65464737efe50dde6ef191e691ae8080d66
-
SSDEEP
96:tH4EHQ+FgZHgpVGuRkNB/R37dO7neyK3gGam:1N+H/Ykv/RLdOzcQm
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 888 2920 WerFault.exe 82 -
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 3 IoCs
description pid Process procid_target PID 4412 wrote to memory of 2920 4412 rundll32.exe 82 PID 4412 wrote to memory of 2920 4412 rundll32.exe 82 PID 4412 wrote to memory of 2920 4412 rundll32.exe 82
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4412 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:2920 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 6283⤵
- Program crash
PID:888
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2920 -ip 29201⤵PID:3816