2a1ceca155e85ad7430a5fc100b9fd5b79873e61ed13a2123b8287c27b9579a1

Analysis

max time kernel
149s
max time network
153s
platform
windows10-ltsc_2021_x64
resource
win10ltsc2021-20260513-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
submitted
30/06/2026, 19:06

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General

Target
Launcher/irmfmodulewin32.dll
Size 5.7MB
Sample260630-xsen2sf14s
SHA256 2a1ceca155e85ad7430a5fc100b9fd5b79873e61ed13a2123b8287c27b9579a1
MD5 c048c29dd017beda7f54607f9e416353
SHA1 e0dba3316c85acd9662629f2c7e391dc7846275f
SHA512 c4bb6cfecd58759a556071db1034e34ae77bbece70176360d782d5fa27e83f1284cbb05cd1a96a76827361894313844b7d12d8539f4021993ad0350cbcc4a71a
SSDEEP 98304:Mpmkl7uAEuvs0UFD5VyU66URkLC8Ct81Eae1JqI3YL8SFlWC2nCArWQY14XJcvwz:wl7rEuXUlBikLC8Cy1Eae1JqI3YL8Spq
TLSH
T1F7563A32B70DC52BE45D42F6792C5A974448BA7A07A148C3F7806F9A34F60E36636F27
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3576	4708	WerFault.exe	82

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 4692 wrote to memory of 4708	4692	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Launcher\irmfmodulewin32.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4692
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Launcher\irmfmodulewin32.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4708
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4708 -s 620
    3⤵
    - Program crash
    PID:3576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4708 -ip 4708
1⤵
PID:4620

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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