b2c71864f061e47eeca65f5907d21e2b9e909636a349e71d150aec09af164e6f

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
20/07/2026, 02:51

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General

Target
b2c71864f061e47eeca65f5907d21e2b9e909636a349e71d150aec09af164e6f.exe
Size 40KB
Sample260720-dcb4fafy31
SHA256 b2c71864f061e47eeca65f5907d21e2b9e909636a349e71d150aec09af164e6f
MD5 a9fe14d50ab71ea016ce56fbc35e7f43
SHA1 b59e2b00c9302610fae49b4128b13f0c594485c2
SHA512 f65ff605cc0152ed18556ae29b7f595edfa9571a8f7dd43d7b90a3b658fe4ff965659742f4902e23853549a73d100cc3a1497a6ab913216b92f5d46da8c1deba
SSDEEP 768:MsiEADlG0mk09PP3lLuzZPKqvO3ONOpsd:MtlD09PP3lLuBZvhOpsd
TLSH
T1CE031A59BE258CE7EA52533E90E7C7766B3DF1814A2357B3B730F7344B136922098246
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

System Location Discovery: System Language Discovery 1 TTPs 2 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	b2c71864f061e47eeca65f5907d21e2b9e909636a349e71d150aec09af164e6f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	calc.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3053180483-1881419501-3594244048-1000_Classes\Local Settings	calc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1856	OpenWith.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4356 wrote to memory of 4248	4356	b2c71864f061e47eeca65f5907d21e2b9e909636a349e71d150aec09af164e6f.exe	86

C:\Users\Admin\AppData\Local\Temp\b2c71864f061e47eeca65f5907d21e2b9e909636a349e71d150aec09af164e6f.exe
"C:\Users\Admin\AppData\Local\Temp\b2c71864f061e47eeca65f5907d21e2b9e909636a349e71d150aec09af164e6f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4356
- C:\Windows\SysWOW64\calc.exe
  calc.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:4248

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Suspicious use of SetWindowsHookEx
PID:1856

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/4356-0-0x0000000000400000-0x0000000000411000-memory.dmp

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