njrat | 37393231ee6c2f1e4e81bb820867302f509abe5108d7e6eac891fe1ab4b66ca5

Analysis

max time kernel
149s
max time network
128s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:15

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General

Target

b5687bfac89811969dd02dad17352b82.exe
Size

23KB
MD5

b5687bfac89811969dd02dad17352b82
SHA1

ff73a7fbc59f7526b3870a0671684892c95d5a8e
SHA256

0df1dba9c9dba4530afc0ccc8afce37ffaf3517dc361250f8ba95a3bde2858a9
SHA512

50587f37bd81bd78ba75941d8502b9f9e7fac562d2ea1a9c137b7c19e10bfe81e1759a38cca230f7f0e75489acb38174de0fddce777419911dba01ecdf482dd7
SSDEEP

384:Pc6ze6e1PAhJVzC3tC1im/BsTx46PgZ0rap9HBmRvR6JZlbw8hqIusZzZ0z:te9EJLN/yRpcnux

Score

10^/10

njrat hacked defense_evasion discovery persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

basmtrke00.ddns.net:3973

Mutex

02c6a3ddc15acb52e13cb343da5f8619

Attributes

reg_key
02c6a3ddc15acb52e13cb343da5f8619
splitter
|'|'|

Signatures

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

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2736	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2176	explorer.exe

Loads dropped DLL 1 IoCs

pid	Process
2548	b5687bfac89811969dd02dad17352b82.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\02c6a3ddc15acb52e13cb343da5f8619 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\explorer.exe\" .."	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\02c6a3ddc15acb52e13cb343da5f8619 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\explorer.exe\" .."	explorer.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	b5687bfac89811969dd02dad17352b82.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2176	explorer.exe
Token: 33	2176	explorer.exe
Token: SeIncBasePriorityPrivilege	2176	explorer.exe
Token: 33	2176	explorer.exe
Token: SeIncBasePriorityPrivilege	2176	explorer.exe
Token: 33	2176	explorer.exe
Token: SeIncBasePriorityPrivilege	2176	explorer.exe
Token: 33	2176	explorer.exe
Token: SeIncBasePriorityPrivilege	2176	explorer.exe
Token: 33	2176	explorer.exe
Token: SeIncBasePriorityPrivilege	2176	explorer.exe
Token: 33	2176	explorer.exe
Token: SeIncBasePriorityPrivilege	2176	explorer.exe
Token: 33	2176	explorer.exe
Token: SeIncBasePriorityPrivilege	2176	explorer.exe
Token: 33	2176	explorer.exe
Token: SeIncBasePriorityPrivilege	2176	explorer.exe
Token: 33	2176	explorer.exe
Token: SeIncBasePriorityPrivilege	2176	explorer.exe
Token: 33	2176	explorer.exe
Token: SeIncBasePriorityPrivilege	2176	explorer.exe
Token: 33	2176	explorer.exe
Token: SeIncBasePriorityPrivilege	2176	explorer.exe
Token: 33	2176	explorer.exe
Token: SeIncBasePriorityPrivilege	2176	explorer.exe
Token: 33	2176	explorer.exe
Token: SeIncBasePriorityPrivilege	2176	explorer.exe
Token: 33	2176	explorer.exe
Token: SeIncBasePriorityPrivilege	2176	explorer.exe
Token: 33	2176	explorer.exe
Token: SeIncBasePriorityPrivilege	2176	explorer.exe
Token: 33	2176	explorer.exe
Token: SeIncBasePriorityPrivilege	2176	explorer.exe
Token: 33	2176	explorer.exe
Token: SeIncBasePriorityPrivilege	2176	explorer.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 2176	2548	b5687bfac89811969dd02dad17352b82.exe	31
PID 2548 wrote to memory of 2176	2548	b5687bfac89811969dd02dad17352b82.exe	31
PID 2548 wrote to memory of 2176	2548	b5687bfac89811969dd02dad17352b82.exe	31
PID 2548 wrote to memory of 2176	2548	b5687bfac89811969dd02dad17352b82.exe	31
PID 2176 wrote to memory of 2736	2176	explorer.exe	32
PID 2176 wrote to memory of 2736	2176	explorer.exe	32
PID 2176 wrote to memory of 2736	2176	explorer.exe	32
PID 2176 wrote to memory of 2736	2176	explorer.exe	32

C:\Users\Admin\AppData\Local\Temp\b5687bfac89811969dd02dad17352b82.exe
"C:\Users\Admin\AppData\Local\Temp\b5687bfac89811969dd02dad17352b82.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Users\Admin\AppData\Local\Temp\explorer.exe
  "C:\Users\Admin\AppData\Local\Temp\explorer.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2176
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\explorer.exe" "explorer.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2736

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
23KB

MD5
b5687bfac89811969dd02dad17352b82

SHA1
ff73a7fbc59f7526b3870a0671684892c95d5a8e

SHA256
0df1dba9c9dba4530afc0ccc8afce37ffaf3517dc361250f8ba95a3bde2858a9

SHA512
50587f37bd81bd78ba75941d8502b9f9e7fac562d2ea1a9c137b7c19e10bfe81e1759a38cca230f7f0e75489acb38174de0fddce777419911dba01ecdf482dd7

Download Submit
memory/2176-10-0x0000000074BB0000-0x000000007515B000-memory.dmp

Filesize
5.7MB

Download
memory/2176-11-0x0000000074BB0000-0x000000007515B000-memory.dmp

Filesize
5.7MB

Download
memory/2176-13-0x0000000074BB0000-0x000000007515B000-memory.dmp

Filesize
5.7MB

Download
memory/2176-14-0x0000000074BB0000-0x000000007515B000-memory.dmp

Filesize
5.7MB

Download
memory/2548-0-0x0000000074BB1000-0x0000000074BB2000-memory.dmp

Filesize
4KB

Download
memory/2548-2-0x0000000074BB0000-0x000000007515B000-memory.dmp

Filesize
5.7MB

Download
memory/2548-1-0x0000000074BB0000-0x000000007515B000-memory.dmp

Filesize
5.7MB

Download
memory/2548-12-0x0000000074BB0000-0x000000007515B000-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