Overview
overview
10Static
static
3QuarkPC.exe
windows11-21h2-x64
10$APPDATA/P...gs.vbs
windows11-21h2-x64
3$APPDATA/P...ns.ps1
windows11-21h2-x64
3$APPDATA/P...te.dll
windows11-21h2-x64
3$LOCALAPPD..._R.exe
windows11-21h2-x64
5$LOCALAPPD...32.exe
windows11-21h2-x64
3$PLUGINSDI...ns.dll
windows11-21h2-x64
3$PLUGINSDI...em.dll
windows11-21h2-x64
3$PLUGINSDI...ec.dll
windows11-21h2-x64
3$WINDIR/Text.ps1
windows11-21h2-x64
3QuarkPC.exe
windows11-21h2-x64
4Resubmissions
31/03/2025, 15:25
250331-st3p2svps7 10Analysis
-
max time kernel
1s -
platform
windows11-21h2_x64 -
resource
win11-20250314-en -
resource tags
arch:x64arch:x86image:win11-20250314-enlocale:en-usos:windows11-21h2-x64system -
submitted
31/03/2025, 15:25
Static task
static1
Behavioral task
behavioral1
Sample
QuarkPC.exe
Resource
win11-20250314-en
Behavioral task
behavioral2
Sample
$APPDATA/Promotions/Logs.vbs
Resource
win11-20250313-en
Behavioral task
behavioral3
Sample
$APPDATA/Promotions/Promotions.ps1
Resource
win11-20250313-en
Behavioral task
behavioral4
Sample
$APPDATA/Promotions/Update.dll
Resource
win11-20250313-en
Behavioral task
behavioral5
Sample
$LOCALAPPDATA/Protected_R.exe
Resource
win11-20250313-en
Behavioral task
behavioral6
Sample
$LOCALAPPDATA/SGuardSvc32.exe
Resource
win11-20250313-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win11-20250313-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/System.dll
Resource
win11-20250313-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11-20250314-en
Behavioral task
behavioral10
Sample
$WINDIR/Text.ps1
Resource
win11-20250313-en
Behavioral task
behavioral11
Sample
QuarkPC.exe
Resource
win11-20250313-en
General
-
Target
$PLUGINSDIR/nsExec.dll
-
Size
7KB
-
MD5
b4579bc396ace8cafd9e825ff63fe244
-
SHA1
32a87ed28a510e3b3c06a451d1f3d0ba9faf8d9c
-
SHA256
01e72332362345c415a7edcb366d6a1b52be9ac6e946fb9da49785c140ba1a4b
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SHA512
3a76e0e259a0ca12275fed922ce6e01bdfd9e33ba85973e80101b8025ef9243f5e32461a113bbcc6aa75e40894bb5d3a42d6b21045517b6b3cf12d76b4cfa36a
-
SSDEEP
96:JwzdzBzMDhOZZDbXf5GsWvSv1ckne94SDbYkvML1HT1fUNQaSGYuH0DQ:JTQHDb2vSuOc41ZfUNQZGdHM
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 3892 2392 WerFault.exe 78 -
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 2072 wrote to memory of 2392 2072 rundll32.exe 78 PID 2072 wrote to memory of 2392 2072 rundll32.exe 78 PID 2072 wrote to memory of 2392 2072 rundll32.exe 78
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2072 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:2392 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2392 -s 4683⤵
- Program crash
PID:3892
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2392 -ip 23921⤵PID:4540