njrat | fe74398cc6c57622cde0ece734d7122231f4aa764b0a40a20be2ba8920194aeb

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
05/11/2023, 18:19

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General

Target

NEAS.6b6690007fce39d754145a3fcf541e20_JC.exe
Size

417KB
MD5

6b6690007fce39d754145a3fcf541e20
SHA1

e12be99fe3e198c35f36d9bc8db15254c8a0b7e9
SHA256

fe74398cc6c57622cde0ece734d7122231f4aa764b0a40a20be2ba8920194aeb
SHA512

24fe6e4bb45b39a6d623faaa0f1e7f82dc2d99cc2e49425935f44374d523b5bdf3a54518b0dda8591bb9a90046559103ef524ceaa4c70ceb66a8599b39fefdd5
SSDEEP

6144:O7mQzCEVUXd8QwWunWqMz2FXhFTe7yZQkgI6XoP:mmQzCEc8Qw/WqMSFTeA0xc

Score

10^/10

njrat hacked evasion trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

hakim32.ddns.net:2000

dark100.hopto.org:1177

Mutex

c097fbb4bc205dd1d5f059ab4c4b7e41

Attributes

reg_key
c097fbb4bc205dd1d5f059ab4c4b7e41
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Windows Service

T1543.003

pid	Process
5044	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2231940048-779848787-2990559741-1000\Control Panel\International\Geo\Nation	NEAS.6b6690007fce39d754145a3fcf541e20_JC.exe

Drops startup file 4 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe	server.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c097fbb4bc205dd1d5f059ab4c4b7e41Windows Update.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c097fbb4bc205dd1d5f059ab4c4b7e41Windows Update.exe	server.exe

Executes dropped EXE 1 IoCs

pid	Process
3032	server.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Explower.exe	server.exe
File opened for modification	C:\Windows\SysWOW64\Explower.exe	server.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Explower.exe	server.exe
File opened for modification	C:\Program Files (x86)\Explower.exe	server.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe
3032	server.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3032	server.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	3032	server.exe
Token: 33	3032	server.exe
Token: SeIncBasePriorityPrivilege	3032	server.exe
Token: 33	3032	server.exe
Token: SeIncBasePriorityPrivilege	3032	server.exe
Token: 33	3032	server.exe
Token: SeIncBasePriorityPrivilege	3032	server.exe
Token: 33	3032	server.exe
Token: SeIncBasePriorityPrivilege	3032	server.exe
Token: 33	3032	server.exe
Token: SeIncBasePriorityPrivilege	3032	server.exe
Token: 33	3032	server.exe
Token: SeIncBasePriorityPrivilege	3032	server.exe
Token: 33	3032	server.exe
Token: SeIncBasePriorityPrivilege	3032	server.exe
Token: 33	3032	server.exe
Token: SeIncBasePriorityPrivilege	3032	server.exe
Token: 33	3032	server.exe
Token: SeIncBasePriorityPrivilege	3032	server.exe
Token: 33	3032	server.exe
Token: SeIncBasePriorityPrivilege	3032	server.exe
Token: 33	3032	server.exe
Token: SeIncBasePriorityPrivilege	3032	server.exe
Token: 33	3032	server.exe
Token: SeIncBasePriorityPrivilege	3032	server.exe
Token: 33	3032	server.exe
Token: SeIncBasePriorityPrivilege	3032	server.exe
Token: 33	3032	server.exe
Token: SeIncBasePriorityPrivilege	3032	server.exe
Token: 33	3032	server.exe
Token: SeIncBasePriorityPrivilege	3032	server.exe
Token: 33	3032	server.exe
Token: SeIncBasePriorityPrivilege	3032	server.exe
Token: 33	3032	server.exe
Token: SeIncBasePriorityPrivilege	3032	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1544 wrote to memory of 3032	1544	NEAS.6b6690007fce39d754145a3fcf541e20_JC.exe	90
PID 1544 wrote to memory of 3032	1544	NEAS.6b6690007fce39d754145a3fcf541e20_JC.exe	90
PID 1544 wrote to memory of 3032	1544	NEAS.6b6690007fce39d754145a3fcf541e20_JC.exe	90
PID 3032 wrote to memory of 5044	3032	server.exe	93
PID 3032 wrote to memory of 5044	3032	server.exe	93
PID 3032 wrote to memory of 5044	3032	server.exe	93

C:\Users\Admin\AppData\Local\Temp\NEAS.6b6690007fce39d754145a3fcf541e20_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.6b6690007fce39d754145a3fcf541e20_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1544
- C:\Users\Admin\AppData\Roaming\server.exe
  "C:\Users\Admin\AppData\Roaming\server.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Drops file in System32 directory
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3032
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:5044

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\app

Filesize
4B

MD5
c6bdbc9d86009ccf7e8de878c9603213

SHA1
2a4b8716f978f2d107bcd8294b486a5ee45afe6e

SHA256
36a067fdfcee95eb270f0b72e3b9e40d52c907d749fb9a8490d82f8ee56b29eb

SHA512
c42a52cd8837e2533b3d5ec97639f0c94287e3d7a6c73635c21df50eba8483b60df15bf262a308836875cd9afed504e7f98a2f6b254e4181fe548b1853d42256

Download Submit
C:\Users\Admin\AppData\Roaming\server.exe

Filesize
417KB

MD5
6b6690007fce39d754145a3fcf541e20

SHA1
e12be99fe3e198c35f36d9bc8db15254c8a0b7e9

SHA256
fe74398cc6c57622cde0ece734d7122231f4aa764b0a40a20be2ba8920194aeb

SHA512
24fe6e4bb45b39a6d623faaa0f1e7f82dc2d99cc2e49425935f44374d523b5bdf3a54518b0dda8591bb9a90046559103ef524ceaa4c70ceb66a8599b39fefdd5

Download Submit
C:\Users\Admin\AppData\Roaming\server.exe

Filesize
417KB

MD5
6b6690007fce39d754145a3fcf541e20

SHA1
e12be99fe3e198c35f36d9bc8db15254c8a0b7e9

SHA256
fe74398cc6c57622cde0ece734d7122231f4aa764b0a40a20be2ba8920194aeb

SHA512
24fe6e4bb45b39a6d623faaa0f1e7f82dc2d99cc2e49425935f44374d523b5bdf3a54518b0dda8591bb9a90046559103ef524ceaa4c70ceb66a8599b39fefdd5

Download Submit
C:\Users\Admin\AppData\Roaming\server.exe

Filesize
417KB

MD5
6b6690007fce39d754145a3fcf541e20

SHA1
e12be99fe3e198c35f36d9bc8db15254c8a0b7e9

SHA256
fe74398cc6c57622cde0ece734d7122231f4aa764b0a40a20be2ba8920194aeb

SHA512
24fe6e4bb45b39a6d623faaa0f1e7f82dc2d99cc2e49425935f44374d523b5bdf3a54518b0dda8591bb9a90046559103ef524ceaa4c70ceb66a8599b39fefdd5

Download Submit
memory/1544-4-0x0000000005AB0000-0x0000000005B4C000-memory.dmp

Filesize
624KB

Download
memory/1544-5-0x0000000005C70000-0x0000000005C80000-memory.dmp

Filesize
64KB

Download
memory/1544-6-0x00000000059D0000-0x00000000059DA000-memory.dmp

Filesize
40KB

Download
memory/1544-7-0x0000000005FA0000-0x0000000005FBC000-memory.dmp

Filesize
112KB

Download
memory/1544-0-0x0000000000F20000-0x0000000000F90000-memory.dmp

Filesize
448KB

Download
memory/1544-3-0x0000000005930000-0x00000000059C2000-memory.dmp

Filesize
584KB

Download
memory/1544-2-0x0000000005FC0000-0x0000000006564000-memory.dmp

Filesize
5.6MB

Download
memory/1544-21-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/1544-1-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/3032-22-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/3032-23-0x0000000004D60000-0x0000000004D70000-memory.dmp

Filesize
64KB

Download
memory/3032-30-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/3032-31-0x0000000004D60000-0x0000000004D70000-memory.dmp

Filesize
64KB

Download