1aaec1d61f88379b4fb383262cd5d3eb15d26e8e5b67eb397699fa3d1ffd060f

Analysis

max time kernel
149s
max time network
95s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
09/05/2026, 04:30

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General

Target
1aaec1d61f88379b4fb383262cd5d3eb15d26e8e5b67eb397699fa3d1ffd060f.dll
Size 250KB
Sample260509-e4v63aaw6y
SHA256 1aaec1d61f88379b4fb383262cd5d3eb15d26e8e5b67eb397699fa3d1ffd060f
MD5 04cb82a51d16ac383b0971ea1589f6bf
SHA1 17629080b5f0992e5322e424acea3c48f65837f9
SHA512 9195f49d5d04ba8ded52ebd479939fdfb6cddad1caa06eb8ff04794ec698b132c4731c0989f7d0c30579daeeb8c73305c00ab63e64c196ad0fcd9b0a8e5fa1b1
SSDEEP 3072:kdRR48FXhZN7bDq2OM3ylHwC5pmVjuES9CKx+h3iMt9iOoJCPMhRGv8wdjBdxLBe:mFT1qxJZ7XmVj49BEh3BvUZGtFH7m
TLSH
T188444B0073D1D839F8BB0D364AB985594A6CBD601F15EDDBD3C4191B0ABA6E2E630E73
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3920	4400	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 956 wrote to memory of 4400	956	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1aaec1d61f88379b4fb383262cd5d3eb15d26e8e5b67eb397699fa3d1ffd060f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:956
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1aaec1d61f88379b4fb383262cd5d3eb15d26e8e5b67eb397699fa3d1ffd060f.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4400
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4400 -s 560
    3⤵
    - Program crash
    PID:3920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4400 -ip 4400
1⤵
PID:968

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/4400-0-0x0000000002BA0000-0x0000000002E2B000-memory.dmp

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