Overview
overview
10Static
static
3SteamSetup (2).exe
windows10-2004-x64
4SteamSetup (2).exe
windows11-21h2-x64
4$PLUGINSDI...ls.dll
windows10-2004-x64
3$PLUGINSDI...ls.dll
windows11-21h2-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows11-21h2-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows11-21h2-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3$PLUGINSDI...ec.dll
windows11-21h2-x64
3$PLUGINSDI...ss.dll
windows10-2004-x64
10$PLUGINSDI...ss.dll
windows11-21h2-x64
3Steam.exe
windows10-2004-x64
3Steam.exe
windows11-21h2-x64
4bin/SteamService.exe
windows10-2004-x64
1bin/SteamService.exe
windows11-21h2-x64
1uninstall.exe
windows10-2004-x64
4uninstall.exe
windows11-21h2-x64
4$PLUGINSDI...LL.dll
windows10-2004-x64
3$PLUGINSDI...LL.dll
windows11-21h2-x64
3$PLUGINSDI...nk.dll
windows10-2004-x64
3$PLUGINSDI...nk.dll
windows11-21h2-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3$PLUGINSDI...ec.dll
windows11-21h2-x64
3Analysis
- max time kernel
301s - max time network
303s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
16/08/2024, 19:45
Static task
static1
Behavioral task
behavioral1
Sample
SteamSetup (2).exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
SteamSetup (2).exe
Resource
win11-20240802-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win11-20240802-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win11-20240802-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11-20240802-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11-20240802-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win11-20240802-en
Behavioral task
behavioral13
Sample
Steam.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral14
Sample
Steam.exe
Resource
win11-20240802-en
Behavioral task
behavioral15
Sample
bin/SteamService.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral16
Sample
bin/SteamService.exe
Resource
win11-20240802-en
Behavioral task
behavioral17
Sample
uninstall.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral18
Sample
uninstall.exe
Resource
win11-20240802-en
Behavioral task
behavioral19
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral20
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win11-20240802-en
Behavioral task
behavioral21
Sample
$PLUGINSDIR/ShellLink.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral22
Sample
$PLUGINSDIR/ShellLink.dll
Resource
win11-20240802-en
Behavioral task
behavioral23
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral24
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11-20240802-en
General
- Target $PLUGINSDIR/nsDialogs.dll
- Size 9KB
- Sample240816-ygr1nswhml
- SHA256 067c77d51df034b4a614f83803140fbf4cd2f8684b88ea8c8acdf163edad085a
- MD5 0d45588070cf728359055f776af16ec4
- SHA1 c4375ceb2883dee74632e81addbfa4e8b0c6d84a
- SHA512 751ebf4c43f100b41f799d0fbf8db118ea8751df029c1f4c4b0daeb0fef200ddf2e41c1c9c55c2dc94f2c841cf6acb7df355e98a2e5877a7797f0f1d41a7e415
- SSDEEP 192:ob8cSzvTyl4tgi8pPjQM0PuAg0YNyhIFtSP:mBSzm+t18pZ0WAg0RhIFg
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 4564 4088 WerFault.exe 84 - 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 3736 wrote to memory of 4088 3736 rundll32.exe 84 PID 3736 wrote to memory of 4088 3736 rundll32.exe 84 PID 3736 wrote to memory of 4088 3736 rundll32.exe 84
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3736 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:4088 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4088 -s 6363⤵
- Program crash
PID:4564
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4088 -ip 40881⤵PID:1652