0558a94515c1bc51c3bc5e40b0db6edc0b5f62f7099c3aa3f956e6a199bbbbea

Analysis

max time kernel
298s
max time network
333s
platform
windows10-ltsc_2021_x64
resource
win10ltsc2021-20260911-es
resource tags

arch:x64arch:x86image:win10ltsc2021-20260911-eslocale:es-esos:windows10-ltsc_2021-x64systemwindows
submitted
23/10/2026, 23:46

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General

Target
Oneshot/libstdc++-6.dll
Size 6.5MB
Sample261023-3sr72adh38
SHA256 0558a94515c1bc51c3bc5e40b0db6edc0b5f62f7099c3aa3f956e6a199bbbbea
MD5 bd2bf78da814697f6da9270081bfe965
SHA1 9c91d7efc847518a883f330a1b7ebbb398a0b43e
SHA512 1c31fc1ba07326597f431de5a0628ef5ef3a4c7b117bc601a1bffcc138151869687d3a4fca9b7efb1becea4f941519f748a64730acc41c5dd74268df8e44b1ac
SSDEEP 49152:m+R3e+q6a47EQ3Fz/xwtK2h4a161Jo3/OXiQrVyA+sDucrHEaC2bJ8DPcSgdvJOq:mSq6abQA9aNLScrHEal8kvJXNU+
TLSH
T151665D53E78A8FA2E5C737B4A5BB133553308D118E594B6BAE6CC2346753285FD0BE02
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3608	2244	WerFault.exe	83

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 4468 wrote to memory of 2244	4468	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Oneshot\libstdc++-6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4468
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Oneshot\libstdc++-6.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2244
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2244 -s 616
    3⤵
    - Program crash
    PID:3608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2244 -ip 2244
1⤵
PID:808

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/2244-1-0x000000006D0C0000-0x000000006D13A000-memory.dmp

Download

memory/2244-0-0x000000006FE40000-0x00000000703DF000-memory.dmp