njrat | 5a42fb8cd6463b23d1b5d56e123429f7e38b2abab1a0baa7b74e8ee128054651

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 19:56

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General

Target

JaffaCakes118_67e68317591942846cb44884a0d5f380.exe
Size

43KB
MD5

67e68317591942846cb44884a0d5f380
SHA1

e39aeb33f43ec1f72fae8b2aa132bc804c311b06
SHA256

5a42fb8cd6463b23d1b5d56e123429f7e38b2abab1a0baa7b74e8ee128054651
SHA512

c6fbe7020499f65e0f175b3e96d37966b7f88a44879912745af06c2b53aa1894f50eceb4a5470546dbb0030e7307af6d384695902fb2bd30d1b8b79b737cb905
SSDEEP

768:hg1cK3SMcDA9lRQO8BMUBkJBMBb6Rk9WeYxTXkiHj0g/l3t:hguG4OlRQDBBBkfM9myYxT02jTd

Score

10^/10

njrat hacked evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

attia.no-ip.biz:1177

Mutex

a8a98371e314c9de13f333a4ac27e8f6

Attributes

reg_key
a8a98371e314c9de13f333a4ac27e8f6
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
4756	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	JaffaCakes118_67e68317591942846cb44884a0d5f380.exe

Executes dropped EXE 1 IoCs

pid	Process
4968	server.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\Microsoft\Windows\CurrentVersion\Run\a8a98371e314c9de13f333a4ac27e8f6 = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\a8a98371e314c9de13f333a4ac27e8f6 = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .."	server.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	JaffaCakes118_67e68317591942846cb44884a0d5f380.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	JaffaCakes118_67e68317591942846cb44884a0d5f380.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	JaffaCakes118_67e68317591942846cb44884a0d5f380.exe
File created	C:\Windows\assembly\Desktop.ini	JaffaCakes118_67e68317591942846cb44884a0d5f380.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	JaffaCakes118_67e68317591942846cb44884a0d5f380.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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Suspicious use of AdjustPrivilegeToken 40 IoCs

description	pid	Process
Token: SeDebugPrivilege	3992	JaffaCakes118_67e68317591942846cb44884a0d5f380.exe
Token: 33	3992	JaffaCakes118_67e68317591942846cb44884a0d5f380.exe
Token: SeIncBasePriorityPrivilege	3992	JaffaCakes118_67e68317591942846cb44884a0d5f380.exe
Token: SeDebugPrivilege	4968	server.exe
Token: 33	4968	server.exe
Token: SeIncBasePriorityPrivilege	4968	server.exe
Token: 33	4968	server.exe
Token: SeIncBasePriorityPrivilege	4968	server.exe
Token: 33	4968	server.exe
Token: SeIncBasePriorityPrivilege	4968	server.exe
Token: 33	4968	server.exe
Token: SeIncBasePriorityPrivilege	4968	server.exe
Token: 33	4968	server.exe
Token: SeIncBasePriorityPrivilege	4968	server.exe
Token: 33	4968	server.exe
Token: SeIncBasePriorityPrivilege	4968	server.exe
Token: 33	4968	server.exe
Token: SeIncBasePriorityPrivilege	4968	server.exe
Token: 33	4968	server.exe
Token: SeIncBasePriorityPrivilege	4968	server.exe
Token: 33	4968	server.exe
Token: SeIncBasePriorityPrivilege	4968	server.exe
Token: 33	4968	server.exe
Token: SeIncBasePriorityPrivilege	4968	server.exe
Token: 33	4968	server.exe
Token: SeIncBasePriorityPrivilege	4968	server.exe
Token: 33	4968	server.exe
Token: SeIncBasePriorityPrivilege	4968	server.exe
Token: 33	4968	server.exe
Token: SeIncBasePriorityPrivilege	4968	server.exe
Token: 33	4968	server.exe
Token: SeIncBasePriorityPrivilege	4968	server.exe
Token: 33	4968	server.exe
Token: SeIncBasePriorityPrivilege	4968	server.exe
Token: 33	4968	server.exe
Token: SeIncBasePriorityPrivilege	4968	server.exe
Token: 33	4968	server.exe
Token: SeIncBasePriorityPrivilege	4968	server.exe
Token: 33	4968	server.exe
Token: SeIncBasePriorityPrivilege	4968	server.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3992 wrote to memory of 4968	3992	JaffaCakes118_67e68317591942846cb44884a0d5f380.exe	82
PID 3992 wrote to memory of 4968	3992	JaffaCakes118_67e68317591942846cb44884a0d5f380.exe	82
PID 4968 wrote to memory of 4756	4968	server.exe	83
PID 4968 wrote to memory of 4756	4968	server.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_67e68317591942846cb44884a0d5f380.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_67e68317591942846cb44884a0d5f380.exe"
1⤵
- Checks computer location settings
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3992
- C:\Users\Admin\AppData\Roaming\server.exe
  "C:\Users\Admin\AppData\Roaming\server.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4968
- - C:\Windows\SYSTEM32\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:4756

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\server.exe

Filesize
43KB

MD5
67e68317591942846cb44884a0d5f380

SHA1
e39aeb33f43ec1f72fae8b2aa132bc804c311b06

SHA256
5a42fb8cd6463b23d1b5d56e123429f7e38b2abab1a0baa7b74e8ee128054651

SHA512
c6fbe7020499f65e0f175b3e96d37966b7f88a44879912745af06c2b53aa1894f50eceb4a5470546dbb0030e7307af6d384695902fb2bd30d1b8b79b737cb905

Download Submit
memory/3992-4-0x0000000000FD0000-0x0000000000FD8000-memory.dmp

Filesize
32KB

Download
memory/3992-7-0x000000001C160000-0x000000001C16C000-memory.dmp

Filesize
48KB

Download
memory/3992-19-0x00007FFF48725000-0x00007FFF48726000-memory.dmp

Filesize
4KB

Download
memory/3992-0-0x00007FFF48725000-0x00007FFF48726000-memory.dmp

Filesize
4KB

Download
memory/3992-20-0x00007FFF48470000-0x00007FFF48E11000-memory.dmp

Filesize
9.6MB

Download
memory/3992-8-0x000000001C250000-0x000000001C2F6000-memory.dmp

Filesize
664KB

Download
memory/3992-9-0x00007FFF48470000-0x00007FFF48E11000-memory.dmp

Filesize
9.6MB

Download
memory/3992-1-0x00007FFF48470000-0x00007FFF48E11000-memory.dmp

Filesize
9.6MB

Download
memory/3992-3-0x00007FFF48470000-0x00007FFF48E11000-memory.dmp

Filesize
9.6MB

Download
memory/3992-2-0x000000001BA10000-0x000000001BEDE000-memory.dmp

Filesize
4.8MB

Download
memory/4968-21-0x00007FFF48470000-0x00007FFF48E11000-memory.dmp

Filesize
9.6MB

Download
memory/4968-22-0x00007FFF48470000-0x00007FFF48E11000-memory.dmp

Filesize
9.6MB

Download
memory/4968-23-0x00007FFF48470000-0x00007FFF48E11000-memory.dmp

Filesize
9.6MB

Download
memory/4968-24-0x000000001C5A0000-0x000000001C63C000-memory.dmp

Filesize
624KB

Download
memory/4968-25-0x0000000001260000-0x0000000001268000-memory.dmp

Filesize
32KB

Download
memory/4968-26-0x00007FFF48470000-0x00007FFF48E11000-memory.dmp

Filesize
9.6MB

Download
memory/4968-27-0x00007FFF48470000-0x00007FFF48E11000-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