njrat | 5c63933553e1452d634beb2b295333e4db5742e571322d823648d4e5c94b2828

Analysis

max time kernel
149s
max time network
143s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:13

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General

Target

7fb245795f7540f7ab7dbf23fdb5ee72.exe
Size

55KB
MD5

7fb245795f7540f7ab7dbf23fdb5ee72
SHA1

01c1864b8c4f7c49913d799712f54f44507ddccb
SHA256

9da84a7949153a0962b62d09651c229ce2edf4ab4d21a2397a76572cba3c3550
SHA512

135e929fc40b5d759352731d20ba54fb20e09c20d7cd51b544668883f2a4be69b08cae77c194fa4a169d60023a210b7b161721d30f4d4dc624702995be5a3397
SSDEEP

768:gQveeHj9vyO3j1WocuJS2Iro2X6W0rkKeGcjOYR5:dvfjJyO3ZWocsS2ev0IKeFzT

Score

10^/10

njrat hacked defense_evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

192.168.1.3:1177

Mutex

d2dc16a9135398a3915a035274a224da

Attributes

reg_key
d2dc16a9135398a3915a035274a224da
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
2584	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\d2dc16a9135398a3915a035274a224da.exe	chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\d2dc16a9135398a3915a035274a224da.exe	chrome.exe

Executes dropped EXE 1 IoCs

pid	Process
2704	chrome.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\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\d2dc16a9135398a3915a035274a224da = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\chrome.exe\" .."	chrome.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\d2dc16a9135398a3915a035274a224da = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\chrome.exe\" .."	chrome.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\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2704	chrome.exe
Token: 33	2704	chrome.exe
Token: SeIncBasePriorityPrivilege	2704	chrome.exe
Token: 33	2704	chrome.exe
Token: SeIncBasePriorityPrivilege	2704	chrome.exe
Token: 33	2704	chrome.exe
Token: SeIncBasePriorityPrivilege	2704	chrome.exe
Token: 33	2704	chrome.exe
Token: SeIncBasePriorityPrivilege	2704	chrome.exe
Token: 33	2704	chrome.exe
Token: SeIncBasePriorityPrivilege	2704	chrome.exe
Token: 33	2704	chrome.exe
Token: SeIncBasePriorityPrivilege	2704	chrome.exe
Token: 33	2704	chrome.exe
Token: SeIncBasePriorityPrivilege	2704	chrome.exe
Token: 33	2704	chrome.exe
Token: SeIncBasePriorityPrivilege	2704	chrome.exe
Token: 33	2704	chrome.exe
Token: SeIncBasePriorityPrivilege	2704	chrome.exe
Token: 33	2704	chrome.exe
Token: SeIncBasePriorityPrivilege	2704	chrome.exe
Token: 33	2704	chrome.exe
Token: SeIncBasePriorityPrivilege	2704	chrome.exe
Token: 33	2704	chrome.exe
Token: SeIncBasePriorityPrivilege	2704	chrome.exe
Token: 33	2704	chrome.exe
Token: SeIncBasePriorityPrivilege	2704	chrome.exe
Token: 33	2704	chrome.exe
Token: SeIncBasePriorityPrivilege	2704	chrome.exe
Token: 33	2704	chrome.exe
Token: SeIncBasePriorityPrivilege	2704	chrome.exe
Token: 33	2704	chrome.exe
Token: SeIncBasePriorityPrivilege	2704	chrome.exe
Token: 33	2704	chrome.exe
Token: SeIncBasePriorityPrivilege	2704	chrome.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 988 wrote to memory of 2704	988	7fb245795f7540f7ab7dbf23fdb5ee72.exe	31
PID 988 wrote to memory of 2704	988	7fb245795f7540f7ab7dbf23fdb5ee72.exe	31
PID 988 wrote to memory of 2704	988	7fb245795f7540f7ab7dbf23fdb5ee72.exe	31
PID 2704 wrote to memory of 2584	2704	chrome.exe	32
PID 2704 wrote to memory of 2584	2704	chrome.exe	32
PID 2704 wrote to memory of 2584	2704	chrome.exe	32

C:\Users\Admin\AppData\Local\Temp\7fb245795f7540f7ab7dbf23fdb5ee72.exe
"C:\Users\Admin\AppData\Local\Temp\7fb245795f7540f7ab7dbf23fdb5ee72.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:988
- C:\Users\Admin\AppData\Local\Temp\chrome.exe
  "C:\Users\Admin\AppData\Local\Temp\chrome.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2704
- - C:\Windows\system32\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
    PID:2584

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
55KB

MD5
7fb245795f7540f7ab7dbf23fdb5ee72

SHA1
01c1864b8c4f7c49913d799712f54f44507ddccb

SHA256
9da84a7949153a0962b62d09651c229ce2edf4ab4d21a2397a76572cba3c3550

SHA512
135e929fc40b5d759352731d20ba54fb20e09c20d7cd51b544668883f2a4be69b08cae77c194fa4a169d60023a210b7b161721d30f4d4dc624702995be5a3397

Download Submit
memory/988-0-0x000007FEF60CE000-0x000007FEF60CF000-memory.dmp

Filesize
4KB

Download
memory/988-1-0x0000000000460000-0x000000000046C000-memory.dmp

Filesize
48KB

Download
memory/988-2-0x000007FEF5E10000-0x000007FEF67AD000-memory.dmp

Filesize
9.6MB

Download
memory/988-3-0x000007FEF5E10000-0x000007FEF67AD000-memory.dmp

Filesize
9.6MB

Download
memory/988-10-0x000007FEF5E10000-0x000007FEF67AD000-memory.dmp

Filesize
9.6MB

Download
memory/2704-9-0x000007FEF5E10000-0x000007FEF67AD000-memory.dmp

Filesize
9.6MB

Download
memory/2704-11-0x000007FEF5E10000-0x000007FEF67AD000-memory.dmp

Filesize
9.6MB

Download
memory/2704-13-0x000007FEF5E10000-0x000007FEF67AD000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads