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Overview
overview
6Static
static
3SteamSetup.exe
windows10-2004-x64
6$PLUGINSDI...ls.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3$PLUGINSDI...ss.dll
windows10-2004-x64
3Steam.exe
windows10-2004-x64
5bin/SteamService.exe
windows10-2004-x64
1uninstall.exe
windows10-2004-x64
4$PLUGINSDI...LL.dll
windows10-2004-x64
3$PLUGINSDI...nk.dll
windows10-2004-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3Analysis
-
max time kernel
142s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
13/02/2024, 20:28
Static task
static1
Behavioral task
behavioral1
Sample
SteamSetup.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
Steam.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral8
Sample
bin/SteamService.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
uninstall.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/ShellLink.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20231215-en
General
-
Target
$PLUGINSDIR/nsProcess.dll
-
Size
4KB
-
MD5
f0438a894f3a7e01a4aae8d1b5dd0289
-
SHA1
b058e3fcfb7b550041da16bf10d8837024c38bf6
-
SHA256
30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11
-
SHA512
f91fcea19cbddf8086affcb63fe599dc2b36351fc81ac144f58a80a524043ddeaa3943f36c86ebae45dd82e8faf622ea7b7c9b776e74c54b93df2963cfe66cc7
-
SSDEEP
48:Sz4joMeH+Iwdf8Rom/L+rOnnk5/OCnXeAdbdOAa4GPI+CJ87eILzlq7gthwIsEQW:64c/eFdfS/SSnkxNa4G+ueqPuCtGsj
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 3064 1148 WerFault.exe 83 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4484 wrote to memory of 1148 4484 rundll32.exe 83 PID 4484 wrote to memory of 1148 4484 rundll32.exe 83 PID 4484 wrote to memory of 1148 4484 rundll32.exe 83
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsProcess.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4484 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsProcess.dll,#12⤵PID:1148
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1148 -s 6003⤵
- Program crash
PID:3064
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1148 -ip 11481⤵PID:1660