Analysis
- max time kernel
149s - max time network
118s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
22/05/2026, 18:47
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
tmpdwst3s7a.dll
Resource
win10ltsc2021-20260513-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
tmpdwst3s7a.dll
Resource
win10v2004-20260513-en
5 signatures
150 seconds
General
- Target tmpdwst3s7a.dll
- Size 647KB
- Sample260522-xfla3adv2q
- SHA256 b580afe615e4e13cffbcd130379521dcfdd89c2b36a0ab1d4b5fef98814b141e
- MD5 d2124b4475a5c6984b22b06ef88b6dae
- SHA1 1983c513342e702e5e7d2a243d3afec83caec045
- SHA512 1c755b36c21d0d4bd42a3da8188cff5c522fe0f4e1c32061d705dcdc27e4a558566f8afacc799497405475d24c2d88bb1dc92d8c3d3605b8c1c2bfbb41bd73b0
- SSDEEP 12288:yFyxomntU5cu7cGDD+pJ7ZwwF3E+pgCbRzFyWBaobi/jDnQAVVR/VUR:yFyxomntU5dapcuxpggHmPjVR/VU
- TLSH T1DEE4BE05B791D038F9B726F98EBEA1B8943D7DA05B2494CB23C41AEF55246F1AC30727
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
Family
-
zloader
Botnet
-
bot5
Campaign
-
bot5
C2
-
https://militanttra.at/owg.php
Attributes
-
build_id
11
rc4.plain
Signatures
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3888 set thread context of 4816 3888 rundll32.exe 81 - System Location Discovery: System Language Discovery 1 TTPs 2 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msiexec.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeSecurityPrivilege 4816 msiexec.exe Token: SeSecurityPrivilege 4816 msiexec.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2204 wrote to memory of 3888 2204 rundll32.exe 80 PID 3888 wrote to memory of 4816 3888 rundll32.exe 81 PID 3888 wrote to memory of 4816 3888 rundll32.exe 81
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\tmpdwst3s7a.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2204 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\tmpdwst3s7a.dll,#12⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3888 -
C:\Windows\SysWOW64\msiexec.exemsiexec.exe3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4816
-
-