njrat | a653e4c1521fd408b227bc19b177c072dc2a094416818638df26a0237054fe7c

General

Target

a653e4c1521fd408b227bc19b177c072dc2a094416818638df26a0237054fe7c.exe
Size

37KB
MD5

9f7663bbbedf3509ef1d79c32b9886c6
SHA1

15d2091ec8efc4fe05f86472516f3ccedbcffda0
SHA256

a653e4c1521fd408b227bc19b177c072dc2a094416818638df26a0237054fe7c
SHA512

f8f6c5630950bde3f6af3f4282bfc3cb9182b7e6dbe2b822c793a1fdf0b87d30f9419814c9937bcf8b0b7ab491104273dd5df78aa5d3e30a33cc8c22729b4a9d
SSDEEP

384:BDCnFqi0fJZtbH9KyM+27zmAHPXs2A7qrAF+rMRTyN/0L+EcoinblneHQM3epzXv:UoJ95M+276AvtAurM+rMRa8NunMhMt

Score

10^/10

njrat hacked by killer discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed By KiLLeR

C2

killerfo22.ddns.net:1177

Mutex

0ff598d62c6af797fc0d9c7cb85c8987

Attributes

reg_key
0ff598d62c6af797fc0d9c7cb85c8987
splitter
|'|'|

Signatures

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

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2696	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\0ff598d62c6af797fc0d9c7cb85c8987.exe	chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\0ff598d62c6af797fc0d9c7cb85c8987.exe	chrome.exe

Executes dropped EXE 1 IoCs

pid	Process
2376	chrome.exe

Loads dropped DLL 1 IoCs

pid	Process
620	a653e4c1521fd408b227bc19b177c072dc2a094416818638df26a0237054fe7c.exe

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

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

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	chrome.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a653e4c1521fd408b227bc19b177c072dc2a094416818638df26a0237054fe7c.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2376	chrome.exe
Token: 33	2376	chrome.exe
Token: SeIncBasePriorityPrivilege	2376	chrome.exe
Token: 33	2376	chrome.exe
Token: SeIncBasePriorityPrivilege	2376	chrome.exe
Token: 33	2376	chrome.exe
Token: SeIncBasePriorityPrivilege	2376	chrome.exe
Token: 33	2376	chrome.exe
Token: SeIncBasePriorityPrivilege	2376	chrome.exe
Token: 33	2376	chrome.exe
Token: SeIncBasePriorityPrivilege	2376	chrome.exe
Token: 33	2376	chrome.exe
Token: SeIncBasePriorityPrivilege	2376	chrome.exe
Token: 33	2376	chrome.exe
Token: SeIncBasePriorityPrivilege	2376	chrome.exe
Token: 33	2376	chrome.exe
Token: SeIncBasePriorityPrivilege	2376	chrome.exe
Token: 33	2376	chrome.exe
Token: SeIncBasePriorityPrivilege	2376	chrome.exe
Token: 33	2376	chrome.exe
Token: SeIncBasePriorityPrivilege	2376	chrome.exe
Token: 33	2376	chrome.exe
Token: SeIncBasePriorityPrivilege	2376	chrome.exe
Token: 33	2376	chrome.exe
Token: SeIncBasePriorityPrivilege	2376	chrome.exe
Token: 33	2376	chrome.exe
Token: SeIncBasePriorityPrivilege	2376	chrome.exe
Token: 33	2376	chrome.exe
Token: SeIncBasePriorityPrivilege	2376	chrome.exe
Token: 33	2376	chrome.exe
Token: SeIncBasePriorityPrivilege	2376	chrome.exe
Token: 33	2376	chrome.exe
Token: SeIncBasePriorityPrivilege	2376	chrome.exe
Token: 33	2376	chrome.exe
Token: SeIncBasePriorityPrivilege	2376	chrome.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 620 wrote to memory of 2376	620	a653e4c1521fd408b227bc19b177c072dc2a094416818638df26a0237054fe7c.exe	30
PID 620 wrote to memory of 2376	620	a653e4c1521fd408b227bc19b177c072dc2a094416818638df26a0237054fe7c.exe	30
PID 620 wrote to memory of 2376	620	a653e4c1521fd408b227bc19b177c072dc2a094416818638df26a0237054fe7c.exe	30
PID 620 wrote to memory of 2376	620	a653e4c1521fd408b227bc19b177c072dc2a094416818638df26a0237054fe7c.exe	30
PID 2376 wrote to memory of 2696	2376	chrome.exe	31
PID 2376 wrote to memory of 2696	2376	chrome.exe	31
PID 2376 wrote to memory of 2696	2376	chrome.exe	31
PID 2376 wrote to memory of 2696	2376	chrome.exe	31

C:\Users\Admin\AppData\Local\Temp\a653e4c1521fd408b227bc19b177c072dc2a094416818638df26a0237054fe7c.exe
"C:\Users\Admin\AppData\Local\Temp\a653e4c1521fd408b227bc19b177c072dc2a094416818638df26a0237054fe7c.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:620
- C:\Users\Admin\AppData\Local\Temp\chrome.exe
  "C:\Users\Admin\AppData\Local\Temp\chrome.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2376
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\chrome.exe" "chrome.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

1

T1562.004

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\chrome.exe

Filesize
37KB

MD5
9f7663bbbedf3509ef1d79c32b9886c6

SHA1
15d2091ec8efc4fe05f86472516f3ccedbcffda0

SHA256
a653e4c1521fd408b227bc19b177c072dc2a094416818638df26a0237054fe7c

SHA512
f8f6c5630950bde3f6af3f4282bfc3cb9182b7e6dbe2b822c793a1fdf0b87d30f9419814c9937bcf8b0b7ab491104273dd5df78aa5d3e30a33cc8c22729b4a9d

Download Submit
memory/620-0-0x00000000743B1000-0x00000000743B2000-memory.dmp

Filesize
4KB

Download
memory/620-1-0x00000000743B0000-0x000000007495B000-memory.dmp

Filesize
5.7MB

Download
memory/620-2-0x00000000743B0000-0x000000007495B000-memory.dmp

Filesize
5.7MB

Download
memory/620-12-0x00000000743B0000-0x000000007495B000-memory.dmp

Filesize
5.7MB

Download
memory/620-13-0x00000000743B0000-0x000000007495B000-memory.dmp

Filesize
5.7MB

Download
memory/2376-10-0x00000000743B0000-0x000000007495B000-memory.dmp

Filesize
5.7MB

Download
memory/2376-11-0x00000000743B0000-0x000000007495B000-memory.dmp

Filesize
5.7MB

Download
memory/2376-15-0x00000000743B0000-0x000000007495B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads