4a52570eeaf9d27722377865df312e295a7a23c3b6eb991944c2ecd707cc9906

Analysis

max time kernel
148s
max time network
144s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
25/09/2026, 12:34

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General

Target
env/libtcc.dll
Size 145KB
Sample260925-przc3aeb72
SHA256 4a52570eeaf9d27722377865df312e295a7a23c3b6eb991944c2ecd707cc9906
MD5 2dc895d5611a149bfcc0d17c4f02d863
SHA1 73d9d0139eaf89b7df34ceeb60e5f8c7cd2463bf
SHA512 98581587e62d74d97de723bf5d692eb02dfa6a284c395a46ea9f26d5d77a3b16095311b23cba5e3280dbb0e24f0b7bdfff908b1d7fb04ae155c0c9f4d4df5668
SSDEEP 3072:hUIjyw7o5VuOQG7icxTAn2ynfmMIvmRrUiKw1czDQ1iswNM7b/wPJo:h8w85NQqictLyfm/+RrUiH12nsw2/wRo
TLSH
T141E39D01CA53C037C8B651F11A5AF79F8876C670D021C987F7CA6EF8AE97DE2011A796
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1964	4928	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 use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3460 wrote to memory of 4928	3460	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\env\libtcc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3460
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\env\libtcc.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4928
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4928 -s 500
    3⤵
    - Program crash
    PID:1964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4928 -ip 4928
1⤵
PID:1132

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/4928-0-0x0000000062180000-0x00000000621BE000-memory.dmp

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