1666f8dc8194fc3245416474a2c4110059144ad7f86afe8b2c1a761938f5d127

Analysis

max time kernel
149s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
20/04/2026, 08:31

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General

Target
1666f8dc8194fc3245416474a2c4110059144ad7f86afe8b2c1a761938f5d127.dll
Size 1.5MB
Sample260420-key5bag17x
SHA256 1666f8dc8194fc3245416474a2c4110059144ad7f86afe8b2c1a761938f5d127
MD5 ab496c784b9ec41c0c3bee567fad3d7d
SHA1 9f2b40ab981dd21b449b0a85445038e04adb96fe
SHA512 9b1be9c284c1a47656f4a6fc57538246b56cd30d275d23ded2194e687cce40dd309fa3c0d098a6bf82f56eab9180ee25ce369ef299c6908d2b0cdced55537d14
SSDEEP 24576:mIAbi4MwB6LJPdAtyU7iiidwCsLzPLLjUJM5FIJRweiMtRMqYCT25K0b:rNEXKC
TLSH
T1F6755C43E2B24CE7C7D90531DC6AD2767B347A1C93FB86737680D9D7B5622A07A2031A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4488	4772	WerFault.exe	85

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 4700 wrote to memory of 4772	4700	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1666f8dc8194fc3245416474a2c4110059144ad7f86afe8b2c1a761938f5d127.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4700
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1666f8dc8194fc3245416474a2c4110059144ad7f86afe8b2c1a761938f5d127.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4772
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4772 -s 576
    3⤵
    - Program crash
    PID:4488

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4772 -ip 4772
1⤵
PID:820

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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