njrat | 4c4a405e23f317a69e5dd5428ece6902600c6d0a31f29cc5eb3416514a42ce29

Analysis

max time kernel
148s
max time network
140s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 12:16

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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

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 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2060	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2412	RuntimeBroker.exe

Loads dropped DLL 1 IoCs

pid	Process
2016	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 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	test3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RuntimeBroker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

System Time Discovery 1 TTPs 1 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
2060	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2412	RuntimeBroker.exe
Token: 33	2412	RuntimeBroker.exe
Token: SeIncBasePriorityPrivilege	2412	RuntimeBroker.exe
Token: 33	2412	RuntimeBroker.exe
Token: SeIncBasePriorityPrivilege	2412	RuntimeBroker.exe
Token: 33	2412	RuntimeBroker.exe
Token: SeIncBasePriorityPrivilege	2412	RuntimeBroker.exe
Token: 33	2412	RuntimeBroker.exe
Token: SeIncBasePriorityPrivilege	2412	RuntimeBroker.exe
Token: 33	2412	RuntimeBroker.exe
Token: SeIncBasePriorityPrivilege	2412	RuntimeBroker.exe
Token: 33	2412	RuntimeBroker.exe
Token: SeIncBasePriorityPrivilege	2412	RuntimeBroker.exe
Token: 33	2412	RuntimeBroker.exe
Token: SeIncBasePriorityPrivilege	2412	RuntimeBroker.exe
Token: 33	2412	RuntimeBroker.exe
Token: SeIncBasePriorityPrivilege	2412	RuntimeBroker.exe
Token: 33	2412	RuntimeBroker.exe
Token: SeIncBasePriorityPrivilege	2412	RuntimeBroker.exe
Token: 33	2412	RuntimeBroker.exe
Token: SeIncBasePriorityPrivilege	2412	RuntimeBroker.exe
Token: 33	2412	RuntimeBroker.exe
Token: SeIncBasePriorityPrivilege	2412	RuntimeBroker.exe
Token: 33	2412	RuntimeBroker.exe
Token: SeIncBasePriorityPrivilege	2412	RuntimeBroker.exe
Token: 33	2412	RuntimeBroker.exe
Token: SeIncBasePriorityPrivilege	2412	RuntimeBroker.exe
Token: 33	2412	RuntimeBroker.exe
Token: SeIncBasePriorityPrivilege	2412	RuntimeBroker.exe
Token: 33	2412	RuntimeBroker.exe
Token: SeIncBasePriorityPrivilege	2412	RuntimeBroker.exe
Token: 33	2412	RuntimeBroker.exe
Token: SeIncBasePriorityPrivilege	2412	RuntimeBroker.exe
Token: 33	2412	RuntimeBroker.exe
Token: SeIncBasePriorityPrivilege	2412	RuntimeBroker.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 2412	2016	test3.exe	31
PID 2016 wrote to memory of 2412	2016	test3.exe	31
PID 2016 wrote to memory of 2412	2016	test3.exe	31
PID 2016 wrote to memory of 2412	2016	test3.exe	31
PID 2412 wrote to memory of 2060	2412	RuntimeBroker.exe	32
PID 2412 wrote to memory of 2060	2412	RuntimeBroker.exe	32
PID 2412 wrote to memory of 2060	2412	RuntimeBroker.exe	32
PID 2412 wrote to memory of 2060	2412	RuntimeBroker.exe	32

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:2016
- 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:2412
- - 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:2060

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Time Discovery

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/2016-0-0x0000000074E71000-0x0000000074E72000-memory.dmp

Filesize
4KB

Download
memory/2016-1-0x0000000074E70000-0x000000007541B000-memory.dmp

Filesize
5.7MB

Download
memory/2016-2-0x0000000074E70000-0x000000007541B000-memory.dmp

Filesize
5.7MB

Download
memory/2016-10-0x0000000074E70000-0x000000007541B000-memory.dmp

Filesize
5.7MB

Download
memory/2412-11-0x0000000074E70000-0x000000007541B000-memory.dmp

Filesize
5.7MB

Download
memory/2412-12-0x0000000074E70000-0x000000007541B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads