5a449a8daf50957499e3a623d85f9d13c0bee446bd1389ab09c62dc711f7b83c

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
19/09/2026, 08:27

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General

Target
$TEMP/bdtmp/InstDll.dll
Size 4KB
Sample260919-kcdqlazz9m
SHA256 5a449a8daf50957499e3a623d85f9d13c0bee446bd1389ab09c62dc711f7b83c
MD5 884b680357ba59a512dda26c1032922d
SHA1 55c99c30fe77ea79826bc78d74e830024365479b
SHA512 69add831d940cebc74352131705c673537d960063ce8f5c4ba76bec421af4ece8bae4bfbdac3491854da2acb3b6cf4872b141a19f091faa260ba8bcf00cc6426
SSDEEP 48:KVhJ6t/YHDJcmCqbcGIAHHzFjZ5jdp6tbN6oBB1xbz:KhI1YBCqcYTFjZVYbNfBBPz
TLSH
T132A1B7632AC4DFBAE3DD2331069F121F616928600AD2044FAB5C4E4A8D63D5B8375F47
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2076	1724	WerFault.exe	87

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 400 wrote to memory of 1724	400	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$TEMP\bdtmp\InstDll.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:400
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$TEMP\bdtmp\InstDll.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1724
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1724 -s 548
    3⤵
    - Program crash
    PID:2076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1724 -ip 1724
1⤵
PID:3368

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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