c1535e7128d1648aa7aed4433627e5bcdff8264cb8cdaa2ec967f069ffcc9a3e

Analysis

max time kernel
149s
max time network
156s
platform
windows10-ltsc_2021_x64
resource
win10ltsc2021-20260126-es
resource tags

arch:x64arch:x86image:win10ltsc2021-20260126-eslocale:es-esos:windows10-ltsc_2021-x64systemwindows
submitted
19/04/2026, 16:33

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General

Target
Plugins/FX/reacomp.dll
Size 422KB
Sample260419-t2pc3ab16s
SHA256 c1535e7128d1648aa7aed4433627e5bcdff8264cb8cdaa2ec967f069ffcc9a3e
MD5 39ac37680c0cbc142d0d6152aa6a5bc7
SHA1 121774c6cdf23928ea3b186933908644286346c1
SHA512 701d868d9cef11a5ab30eca36f92d05c3b0b9b1d62a67a75a5dfbbfd63d32676bbdee6d8e55580994bfe543015af0836da1a2f06a74c74af838f8196ff1bf906
SSDEEP 6144:OsRAcRa61Uc8/M0jaZiXZWX4XW6MFQ6/YY7E6htsnWvXULMvdOYLxlNLi5e:DRaPhUZFhPBkL/L5
TLSH
T1B194CF1239E3C0F7C46D02B5648797639EBB7C26453299B7BBD60FA81E30651BB1B306
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4940	4276	WerFault.exe	80

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 4404 wrote to memory of 4276	4404	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Plugins\FX\reacomp.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4404
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Plugins\FX\reacomp.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4276
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4276 -s 612
    3⤵
    - Program crash
    PID:4940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4276 -ip 4276
1⤵
PID:3252

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/4276-0-0x00000000008E0000-0x0000000000A00000-memory.dmp

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