njrat | 4c4a405e23f317a69e5dd5428ece6902600c6d0a31f29cc5eb3416514a42ce29

General

Target

test3.exe
Size

37KB
MD5

2f771b3461d8ddc93842c39feca9bc44
SHA1

4814441916df2c5ae700ef8b380c25a59d119789
SHA256

4c4a405e23f317a69e5dd5428ece6902600c6d0a31f29cc5eb3416514a42ce29
SHA512

28efaa86ee085bc9e0e5cafa5afefd2bc028479cc9a4019f9b86ae921bbf658bb2cfa0340a8de99fa2e1dcf71abd6960f3af67c01256f23c92b87cda02b3e06e
SSDEEP

384:Rc3Vqi0PJZtbH9KyM+2LzmQnfSsWQLarAF+rMRTyN/0L+EcoinblneHQM3epzXTT:eYJ95M+2L6Q6tQurM+rMRa8NuFRt

Score

10^/10

njrat zona loxov discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

ZONA LOXOV

C2

prapor03212.ddns.net:1527

Mutex

80b27082d3ac717de5243f17973af804

Attributes

reg_key
80b27082d3ac717de5243f17973af804
splitter
|'|'|

Signatures

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

Modifies Windows Firewall 2 TTPs 2 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2704	netsh.exe
2916	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2772	RuntimeBroker.exe

Loads dropped DLL 1 IoCs

pid	Process
2180	test3.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 6 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
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 6 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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	test3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RuntimeBroker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2716	cmd.exe
2828	PING.EXE

System Time Discovery 1 TTPs 2 IoCs

Adversary may gather the system time and/or time zone settings from a local or remote system.

discovery

System Time Discovery

T1124

pid	Process
2704	netsh.exe
2916	netsh.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2828	PING.EXE

Suspicious use of AdjustPrivilegeToken 15 IoCs

description	pid	Process
Token: SeDebugPrivilege	2772	RuntimeBroker.exe
Token: 33	2772	RuntimeBroker.exe
Token: SeIncBasePriorityPrivilege	2772	RuntimeBroker.exe
Token: 33	2772	RuntimeBroker.exe
Token: SeIncBasePriorityPrivilege	2772	RuntimeBroker.exe
Token: 33	2772	RuntimeBroker.exe
Token: SeIncBasePriorityPrivilege	2772	RuntimeBroker.exe
Token: 33	2772	RuntimeBroker.exe
Token: SeIncBasePriorityPrivilege	2772	RuntimeBroker.exe
Token: 33	2772	RuntimeBroker.exe
Token: SeIncBasePriorityPrivilege	2772	RuntimeBroker.exe
Token: 33	2772	RuntimeBroker.exe
Token: SeIncBasePriorityPrivilege	2772	RuntimeBroker.exe
Token: 33	2772	RuntimeBroker.exe
Token: SeIncBasePriorityPrivilege	2772	RuntimeBroker.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2180 wrote to memory of 2772	2180	test3.exe	30
PID 2180 wrote to memory of 2772	2180	test3.exe	30
PID 2180 wrote to memory of 2772	2180	test3.exe	30
PID 2180 wrote to memory of 2772	2180	test3.exe	30
PID 2772 wrote to memory of 2704	2772	RuntimeBroker.exe	31
PID 2772 wrote to memory of 2704	2772	RuntimeBroker.exe	31
PID 2772 wrote to memory of 2704	2772	RuntimeBroker.exe	31
PID 2772 wrote to memory of 2704	2772	RuntimeBroker.exe	31
PID 2772 wrote to memory of 2916	2772	RuntimeBroker.exe	34
PID 2772 wrote to memory of 2916	2772	RuntimeBroker.exe	34
PID 2772 wrote to memory of 2916	2772	RuntimeBroker.exe	34
PID 2772 wrote to memory of 2916	2772	RuntimeBroker.exe	34
PID 2772 wrote to memory of 2716	2772	RuntimeBroker.exe	36
PID 2772 wrote to memory of 2716	2772	RuntimeBroker.exe	36
PID 2772 wrote to memory of 2716	2772	RuntimeBroker.exe	36
PID 2772 wrote to memory of 2716	2772	RuntimeBroker.exe	36
PID 2716 wrote to memory of 2828	2716	cmd.exe	38
PID 2716 wrote to memory of 2828	2716	cmd.exe	38
PID 2716 wrote to memory of 2828	2716	cmd.exe	38
PID 2716 wrote to memory of 2828	2716	cmd.exe	38

C:\Users\Admin\AppData\Local\Temp\test3.exe
"C:\Users\Admin\AppData\Local\Temp\test3.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe
  "C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2772
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe" "RuntimeBroker.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    - System Time Discovery
    PID:2704
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe"
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    - System Time Discovery
    PID:2916
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /k ping 0 & del "C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2716
  - - C:\Windows\SysWOW64\PING.EXE
      ping 0
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:2828

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

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

System Time Discovery

1

T1124

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
37KB

MD5
2f771b3461d8ddc93842c39feca9bc44

SHA1
4814441916df2c5ae700ef8b380c25a59d119789

SHA256
4c4a405e23f317a69e5dd5428ece6902600c6d0a31f29cc5eb3416514a42ce29

SHA512
28efaa86ee085bc9e0e5cafa5afefd2bc028479cc9a4019f9b86ae921bbf658bb2cfa0340a8de99fa2e1dcf71abd6960f3af67c01256f23c92b87cda02b3e06e

Download Submit
memory/2180-0-0x0000000074CC1000-0x0000000074CC2000-memory.dmp

Filesize
4KB

Download
memory/2180-1-0x0000000074CC0000-0x000000007526B000-memory.dmp

Filesize
5.7MB

Download
memory/2180-2-0x0000000074CC0000-0x000000007526B000-memory.dmp

Filesize
5.7MB

Download
memory/2180-10-0x0000000074CC0000-0x000000007526B000-memory.dmp

Filesize
5.7MB

Download
memory/2772-11-0x0000000074CC0000-0x000000007526B000-memory.dmp

Filesize
5.7MB

Download
memory/2772-12-0x0000000074CC0000-0x000000007526B000-memory.dmp

Filesize
5.7MB

Download
memory/2772-13-0x0000000074CC0000-0x000000007526B000-memory.dmp

Filesize
5.7MB

Download
memory/2772-14-0x0000000074CC0000-0x000000007526B000-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