a33e27dcad9a2dc5af96a85a97e9e78ca56ea50c5d2fe0d3faaaee61ea1f3890

Analysis

max time kernel
91s
max time network
94s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
10/01/2025, 00:26

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Nexol.exe
Size

336KB
MD5

df6e1225e3f7742dd9acbbbd14ce246a
SHA1

6390796d5b6e453bed100439be5d89ef9a9066e5
SHA256

33ae6c44a08efb52c0c69a8f8827f2afab230cce1cf9652fc63237d2e30622a4
SHA512

72b2b577b7b3a59401f455079cf79fa8e9c874c6c0293f984c5f726b9fa07ef59924790093709a86654db91a14d9565682c17093ee9cdb0df17ecff71ba1686c
SSDEEP

6144:cVQkSbQElKYoeV4bd1FKCvaL/1vlGF0UeR5aNj7nucEqq9:0QLQEjCdbKcw9vEdbj7hA9

Score

5^/10

discovery

Malware Config

Signatures

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4924 set thread context of 2340	4924	Nexol.exe	79
PID 4924 set thread context of 1416	4924	Nexol.exe	80

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4276	4924	WerFault.exe	77

System Location Discovery: System Language Discovery 1 TTPs 3 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	Nexol.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Nexol.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Nexol.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4924 wrote to memory of 2340	4924	Nexol.exe	79
PID 4924 wrote to memory of 2340	4924	Nexol.exe	79
PID 4924 wrote to memory of 2340	4924	Nexol.exe	79
PID 4924 wrote to memory of 2340	4924	Nexol.exe	79
PID 4924 wrote to memory of 2340	4924	Nexol.exe	79
PID 4924 wrote to memory of 2340	4924	Nexol.exe	79
PID 4924 wrote to memory of 2340	4924	Nexol.exe	79
PID 4924 wrote to memory of 2340	4924	Nexol.exe	79
PID 4924 wrote to memory of 2340	4924	Nexol.exe	79
PID 4924 wrote to memory of 1416	4924	Nexol.exe	80
PID 4924 wrote to memory of 1416	4924	Nexol.exe	80
PID 4924 wrote to memory of 1416	4924	Nexol.exe	80
PID 4924 wrote to memory of 1416	4924	Nexol.exe	80
PID 4924 wrote to memory of 1416	4924	Nexol.exe	80
PID 4924 wrote to memory of 1416	4924	Nexol.exe	80
PID 4924 wrote to memory of 1416	4924	Nexol.exe	80
PID 4924 wrote to memory of 1416	4924	Nexol.exe	80
PID 4924 wrote to memory of 1416	4924	Nexol.exe	80

C:\Users\Admin\AppData\Local\Temp\Nexol.exe
"C:\Users\Admin\AppData\Local\Temp\Nexol.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4924
- C:\Users\Admin\AppData\Local\Temp\Nexol.exe
  "C:\Users\Admin\AppData\Local\Temp\Nexol.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2340
- C:\Users\Admin\AppData\Local\Temp\Nexol.exe
  "C:\Users\Admin\AppData\Local\Temp\Nexol.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1416
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4924 -s 812
  2⤵
  - Program crash
  PID:4276

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4924 -ip 4924
1⤵
PID:1744

Network

MITRE ATT&CK Enterprise v15

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

Loading Replay Monitor...

Downloads

memory/1416-11-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/2340-4-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/2340-7-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/2340-12-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/4924-0-0x000000007434E000-0x000000007434F000-memory.dmp

Filesize
4KB

Download
memory/4924-1-0x0000000000E60000-0x0000000000EBC000-memory.dmp

Filesize
368KB

Download
memory/4924-2-0x0000000005E10000-0x00000000063B6000-memory.dmp

Filesize
5.6MB

Download
memory/4924-10-0x0000000074340000-0x0000000074AF1000-memory.dmp

Filesize
7.7MB

Download