e1b1f3db147d7996a5b1fbddb2b7322e56f25bbf689f47c50638fd268fc1d3c7

Analysis

max time kernel
899s
max time network
384s
platform
windows11-21h2_x64
resource
win11-20260513-it
resource tags

arch:x64arch:x86image:win11-20260513-itlocale:it-itos:windows11-21h2-x64systemwindows
submitted
20/06/2026, 11:08

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General

Target
bin/tools/ext/libatrac9.dll
Size 115KB
Sample260620-m8v1vsfx2x
SHA256 e1b1f3db147d7996a5b1fbddb2b7322e56f25bbf689f47c50638fd268fc1d3c7
MD5 c878a972781e4d5c70666c45b92a155a
SHA1 579a0fce04851bf57a9d143f3cc926944ab5ce34
SHA512 36e44582bd6485eca4399202696b2fb544b139195e99bb16dd1d4021c382181394b8b311220c13bbfd5aec96159c4885813d37de6780ddf27e5afe49a90551eb
SSDEEP 3072:Z5tVPq/1fdYeJNxRy/9XIO/YzQuaBI6lrwxZsjyuJDK7WJ9u:zd/2OYzQD5DEM
TLSH
T182C36C41FA8143A2E46A123D14F7A6376B295221CF198EC3A6D07B6AFCD31D19F713C9
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4924	4896	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 2032 wrote to memory of 4896	2032	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bin\tools\ext\libatrac9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2032
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bin\tools\ext\libatrac9.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4896
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4896 -s 452
    3⤵
    - Program crash
    PID:4924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4896 -ip 4896
1⤵
PID:4916

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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