dfa223f72fe3b975b5033ec03d505e5a702bf4ff632bce7ba1b8a5ff411f0245

Analysis

max time kernel
148s
max time network
130s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
22/07/2026, 14:55

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General

Target
Undertale/steam_api.dll
Size 210KB
Sample260722-samvgstvbv
SHA256 dfa223f72fe3b975b5033ec03d505e5a702bf4ff632bce7ba1b8a5ff411f0245
MD5 30ae1db76c1af7f46e6f41c375e1b9b0
SHA1 5e30d08ae301bb866a8856b4ef2c57d788bcda4a
SHA512 2a4239ffb214341b9495ae02fae90785b9a8f2712fa91a59730b1a9778aaa35b6c8cb88cb57f19c34a131a2bfecaef71c4b56a26fac4bbf6e1a3d8748d8f7b70
SSDEEP 3072:1GqYVbRkudWS/0AvM/29pNpeAA+2C+48IaD7+drNVRICc/B7Pa7Orx4I:1GqYVVk4Wa0Ke290xUXqCcZ7v6I
TLSH
T148243A3179B051B2D5E3823591A4DE1B3BF9756B27384CEB7B88073988665C32B3718B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4564	4732	WerFault.exe	89

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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
4732	rundll32.exe
4732	rundll32.exe
4732	rundll32.exe
4732	rundll32.exe
4732	rundll32.exe
4732	rundll32.exe
4732	rundll32.exe
4732	rundll32.exe
4732	rundll32.exe
4732	rundll32.exe
4732	rundll32.exe
4732	rundll32.exe
4732	rundll32.exe
4732	rundll32.exe
4732	rundll32.exe
4732	rundll32.exe
4732	rundll32.exe
4732	rundll32.exe
4732	rundll32.exe
4732	rundll32.exe
4732	rundll32.exe
4732	rundll32.exe
4732	rundll32.exe
4732	rundll32.exe
4732	rundll32.exe
4732	rundll32.exe
4732	rundll32.exe
4732	rundll32.exe
4732	rundll32.exe
4732	rundll32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3256 wrote to memory of 4732	3256	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Undertale\steam_api.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3256
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Undertale\steam_api.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:4732
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4732 -s 720
    3⤵
    - Program crash
    PID:4564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 392 -p 4732 -ip 4732
1⤵
PID:5068

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4732-0-0x0000000074B50000-0x0000000074B9C000-memory.dmp

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memory/4732-1-0x0000000074A90000-0x0000000074B46000-memory.dmp

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memory/4732-4-0x0000000077388000-0x0000000077389000-memory.dmp

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memory/4732-5-0x0000000077388000-0x0000000077389000-memory.dmp

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memory/4732-6-0x0000000077388000-0x0000000077389000-memory.dmp

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memory/4732-7-0x0000000000E40000-0x0000000000E41000-memory.dmp

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memory/4732-8-0x0000000074B50000-0x0000000074B9C000-memory.dmp

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memory/4732-10-0x0000000074A90000-0x0000000074B46000-memory.dmp

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