67c9b9fe65a873bd54609d8529715d2ddd45acb36ab7732973c553f5ee140291

Analysis

max time kernel
350s
max time network
318s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
03/05/2026, 19:32

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General

Target
32-Bit/BTCR_x86.dll
Size 41KB
Sample260503-x89jcsf191
SHA256 67c9b9fe65a873bd54609d8529715d2ddd45acb36ab7732973c553f5ee140291
MD5 d176724937394d379320e18eddc4d13c
SHA1 e6789d0bdb61a24b7eb1f33f198a4d0df8848443
SHA512 731fc076a88202e7e91e3d42e11b48e5c757bdae73b7afb2e20f30cdafcf437f00b74f930eff4365e08e893c2963b83631bc7e1c05c4fc6b6e2d7f05c2581841
SSDEEP 768:JZVMUvQf6OyV7MKTQSQjKz/5dYZqPMa1mkA3dnCYZYh9oZ0aWlWyoj:nVMUoiOG7MgQKQXrdCQIoZ0NF
TLSH
T19613F18568D720FCF74513BA4E18CAB90B9AC70E3A8CA60ABFEC612D4597CDC7C5B114
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4128	2212	WerFault.exe	79

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 4672 wrote to memory of 2212	4672	rundll32.exe	79

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\32-Bit\BTCR_x86.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4672
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\32-Bit\BTCR_x86.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2212
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2212 -s 400
    3⤵
    - Program crash
    PID:4128

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2212 -ip 2212
1⤵
PID:5112

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

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Downloads

memory/2212-0-0x0000000037720000-0x0000000037730000-memory.dmp

Download

memory/2212-1-0x0000000075140000-0x000000007515F000-memory.dmp