5f65b24f78f86962aa0646abb4ea02eaeb7a7359d9e1f97e1d1cacaf1b698476

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
23-01-2025 23:16

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General

Target

Nexol.exe
Size

521KB
MD5

1eb5bb11035c35f7a4591e1e85938bb4
SHA1

6bceeaa5aea24f09dee83d2d7858170ff90dfb2c
SHA256

085c381ae6f97d43a82ba5960c38c4f37db85a51b9dd8cf2e2f671d5fd3dae56
SHA512

e7eaf7b852f3d88eeffcc2104cf2e1b56c20713c3f6bd4ceba930125fb4dcbaecdebc83489dea672b7d7f5358cf974a899a9022b9dc76dbbf44d4d6158e35ce7
SSDEEP

12288:utPYLwhHJ6mhUvkj0EGXgBmWosFArfIwFzXKWde04N/g:u2Lwr2kjRHnoZrfb1XK10IY

Score

5^/10

discovery

Malware Config

Signatures

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3756 set thread context of 1396	3756	Nexol.exe	77
PID 3756 set thread context of 2240	3756	Nexol.exe	82

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5080	3756	WerFault.exe	76

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 30 IoCs

description	pid	Process	procid_target
PID 3756 wrote to memory of 1396	3756	Nexol.exe	77
PID 3756 wrote to memory of 1396	3756	Nexol.exe	77
PID 3756 wrote to memory of 1396	3756	Nexol.exe	77
PID 3756 wrote to memory of 1396	3756	Nexol.exe	77
PID 3756 wrote to memory of 1396	3756	Nexol.exe	77
PID 3756 wrote to memory of 1396	3756	Nexol.exe	77
PID 3756 wrote to memory of 1396	3756	Nexol.exe	77
PID 3756 wrote to memory of 1396	3756	Nexol.exe	77
PID 3756 wrote to memory of 1396	3756	Nexol.exe	77
PID 3756 wrote to memory of 3096	3756	Nexol.exe	78
PID 3756 wrote to memory of 3096	3756	Nexol.exe	78
PID 3756 wrote to memory of 3096	3756	Nexol.exe	78
PID 3756 wrote to memory of 2540	3756	Nexol.exe	79
PID 3756 wrote to memory of 2540	3756	Nexol.exe	79
PID 3756 wrote to memory of 2540	3756	Nexol.exe	79
PID 3756 wrote to memory of 3596	3756	Nexol.exe	80
PID 3756 wrote to memory of 3596	3756	Nexol.exe	80
PID 3756 wrote to memory of 3596	3756	Nexol.exe	80
PID 3756 wrote to memory of 2568	3756	Nexol.exe	81
PID 3756 wrote to memory of 2568	3756	Nexol.exe	81
PID 3756 wrote to memory of 2568	3756	Nexol.exe	81
PID 3756 wrote to memory of 2240	3756	Nexol.exe	82
PID 3756 wrote to memory of 2240	3756	Nexol.exe	82
PID 3756 wrote to memory of 2240	3756	Nexol.exe	82
PID 3756 wrote to memory of 2240	3756	Nexol.exe	82
PID 3756 wrote to memory of 2240	3756	Nexol.exe	82
PID 3756 wrote to memory of 2240	3756	Nexol.exe	82
PID 3756 wrote to memory of 2240	3756	Nexol.exe	82
PID 3756 wrote to memory of 2240	3756	Nexol.exe	82
PID 3756 wrote to memory of 2240	3756	Nexol.exe	82

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:3756
- C:\Users\Admin\AppData\Local\Temp\Nexol.exe
  "C:\Users\Admin\AppData\Local\Temp\Nexol.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1396
- C:\Users\Admin\AppData\Local\Temp\Nexol.exe
  "C:\Users\Admin\AppData\Local\Temp\Nexol.exe"
  2⤵
  PID:3096
- C:\Users\Admin\AppData\Local\Temp\Nexol.exe
  "C:\Users\Admin\AppData\Local\Temp\Nexol.exe"
  2⤵
  PID:2540
- C:\Users\Admin\AppData\Local\Temp\Nexol.exe
  "C:\Users\Admin\AppData\Local\Temp\Nexol.exe"
  2⤵
  PID:3596
- C:\Users\Admin\AppData\Local\Temp\Nexol.exe
  "C:\Users\Admin\AppData\Local\Temp\Nexol.exe"
  2⤵
  PID:2568
- C:\Users\Admin\AppData\Local\Temp\Nexol.exe
  "C:\Users\Admin\AppData\Local\Temp\Nexol.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2240
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3756 -s 864
  2⤵
  - Program crash
  PID:5080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3756 -ip 3756
1⤵
PID:1480

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

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Downloads

memory/1396-4-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/1396-6-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/1396-12-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2240-11-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/3756-0-0x0000000074BCE000-0x0000000074BCF000-memory.dmp

Filesize
4KB

Download
memory/3756-1-0x0000000000700000-0x000000000078A000-memory.dmp

Filesize
552KB

Download
memory/3756-2-0x0000000005750000-0x0000000005CF6000-memory.dmp

Filesize
5.6MB

Download
memory/3756-10-0x0000000074BC0000-0x0000000075371000-memory.dmp

Filesize
7.7MB

Download