a03c381df4a4366ccb4adfb16905ddb1f21acd02b325a2c56670428994904b84

Analysis

max time kernel
149s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
08/08/2026, 08:32

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General

Target
$TEMP/R2ROPENSSL.dll
Size 718KB
Sample260808-kfl65sce49
SHA256 a03c381df4a4366ccb4adfb16905ddb1f21acd02b325a2c56670428994904b84
MD5 fc931742500771148d7309413218f50d
SHA1 09b30320edd1ec262ac57c0d78650473319597d5
SHA512 51b6dbc48118ce61d0d5a699e0af9cdbda7175c6d4701d60ded26bba32cfde29edf44225f1da6d2726a5801937daaa240343d263fb8f85804840524d82888450
SSDEEP 12288:4lGlqzQGI84YP44TQ2NvGP0LqDFitIVljf7nS0dYh2g1pLLAMkMMgvW0wtrudq1O:4lGlqz7IEP4nGvGP0L3J1k4+9tRI7
TLSH
T15DF48D03BA81D8B2F5DF013A60B3577F4D369D254769CAD38B9078668D722D06A3F389
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1928	4260	WerFault.exe	84

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 4528 wrote to memory of 4260	4528	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$TEMP\R2ROPENSSL.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4528
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$TEMP\R2ROPENSSL.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4260
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4260 -s 612
    3⤵
    - Program crash
    PID:1928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4260 -ip 4260
1⤵
PID:4740

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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