Overview
overview
6Static
static
3SteamSetup.exe
windows7-x64
6$PLUGINSDI...ls.dll
windows7-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...gs.dll
windows7-x64
3$PLUGINSDI...ec.dll
windows7-x64
3$PLUGINSDI...ss.dll
windows7-x64
3Steam.exe
windows7-x64
3bin/SteamService.exe
windows7-x64
1uninstall.exe
windows7-x64
4$PLUGINSDI...LL.dll
windows7-x64
3$PLUGINSDI...nk.dll
windows7-x64
3$PLUGINSDI...ec.dll
windows7-x64
3Analysis
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max time kernel
1556s -
max time network
1561s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
12-11-2024 17:28
Static task
static1
Behavioral task
behavioral1
Sample
SteamSetup.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
$PLUGINSDIR/StdUtils.dll
Resource
win7-20241010-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win7-20240903-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win7-20240903-en
Behavioral task
behavioral7
Sample
Steam.exe
Resource
win7-20240903-en
Behavioral task
behavioral8
Sample
bin/SteamService.exe
Resource
win7-20240903-en
Behavioral task
behavioral9
Sample
uninstall.exe
Resource
win7-20240903-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win7-20240903-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/ShellLink.dll
Resource
win7-20241023-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20241010-en
General
-
Target
$PLUGINSDIR/StdUtils.dll
-
Size
99KB
-
MD5
98a4efba4e4b566dc3d93d2d9bfcab58
-
SHA1
8c54ae9fcec30b2beea8b6af4ead0a76d634a536
-
SHA256
e2ad7736209d62909a356248fce8e554093339b18ef3e6a989a3c278f177ad48
-
SHA512
2dbc9a71e666ebf782607d3ca108fd47aa6bce1d0ac2a19183cc5187dd342307b64cb88906369784518922a54ac20f408d5a58f77c0ed410e2ccf98e4e9e39a0
-
SSDEEP
1536:Lyy+HcFWrX52XWcS15c4DBVOw/bEQvWt6uouMw5m0mhdBu4NpBTvO7Fvo6mVS6oN:Oy+8ozImcSNd1YHbMbC
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 2408 2544 WerFault.exe 28 -
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 11 IoCs
description pid Process procid_target PID 2296 wrote to memory of 2544 2296 rundll32.exe 28 PID 2296 wrote to memory of 2544 2296 rundll32.exe 28 PID 2296 wrote to memory of 2544 2296 rundll32.exe 28 PID 2296 wrote to memory of 2544 2296 rundll32.exe 28 PID 2296 wrote to memory of 2544 2296 rundll32.exe 28 PID 2296 wrote to memory of 2544 2296 rundll32.exe 28 PID 2296 wrote to memory of 2544 2296 rundll32.exe 28 PID 2544 wrote to memory of 2408 2544 rundll32.exe 29 PID 2544 wrote to memory of 2408 2544 rundll32.exe 29 PID 2544 wrote to memory of 2408 2544 rundll32.exe 29 PID 2544 wrote to memory of 2408 2544 rundll32.exe 29
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StdUtils.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2296 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StdUtils.dll,#12⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2544 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2544 -s 2203⤵
- Program crash
PID:2408
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