njrat | 113942263edbc8f96d31bb7cffb2c07bc960dcd423a82e039b5fe0d81f68cc8c

Analysis

max time kernel
149s
max time network
143s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 11:34

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General

Target

JaffaCakes118_64c9f8d2a269237f3f8525651d53ad80.exe
Size

872KB
MD5

64c9f8d2a269237f3f8525651d53ad80
SHA1

c4cc3f01c09bbe5739ac59808004981b13016866
SHA256

113942263edbc8f96d31bb7cffb2c07bc960dcd423a82e039b5fe0d81f68cc8c
SHA512

1d4bbc5f49e508faf2507cfef755f613aceb1c2a5d9dab567e5e711bd29df1e5b22c4ba6607bfd5f5ac2239229cc3eda1186f72b3866c50774dffcb77356b9d2
SSDEEP

24576:ReFSOqvfLOXHMp4wtkOoTX17FUxy0vcroSfz0qdbPK:Y4OqC3MpFkDF7FUxy0vcroSAqNi

Score

10^/10

njrat evasion persistence privilege_escalation trojan

Malware Config

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
1544	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e8452ec3253de216b6b84d217de84da6.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e8452ec3253de216b6b84d217de84da6.exe	server.exe

Executes dropped EXE 1 IoCs

pid	Process
2008	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\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\e8452ec3253de216b6b84d217de84da6 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\e8452ec3253de216b6b84d217de84da6 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.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 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2008	server.exe
Token: 33	2008	server.exe
Token: SeIncBasePriorityPrivilege	2008	server.exe
Token: 33	2008	server.exe
Token: SeIncBasePriorityPrivilege	2008	server.exe
Token: 33	2008	server.exe
Token: SeIncBasePriorityPrivilege	2008	server.exe
Token: 33	2008	server.exe
Token: SeIncBasePriorityPrivilege	2008	server.exe
Token: 33	2008	server.exe
Token: SeIncBasePriorityPrivilege	2008	server.exe
Token: 33	2008	server.exe
Token: SeIncBasePriorityPrivilege	2008	server.exe
Token: 33	2008	server.exe
Token: SeIncBasePriorityPrivilege	2008	server.exe
Token: 33	2008	server.exe
Token: SeIncBasePriorityPrivilege	2008	server.exe
Token: 33	2008	server.exe
Token: SeIncBasePriorityPrivilege	2008	server.exe
Token: 33	2008	server.exe
Token: SeIncBasePriorityPrivilege	2008	server.exe
Token: 33	2008	server.exe
Token: SeIncBasePriorityPrivilege	2008	server.exe
Token: 33	2008	server.exe
Token: SeIncBasePriorityPrivilege	2008	server.exe
Token: 33	2008	server.exe
Token: SeIncBasePriorityPrivilege	2008	server.exe
Token: 33	2008	server.exe
Token: SeIncBasePriorityPrivilege	2008	server.exe
Token: 33	2008	server.exe
Token: SeIncBasePriorityPrivilege	2008	server.exe
Token: 33	2008	server.exe
Token: SeIncBasePriorityPrivilege	2008	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 2008	2404	JaffaCakes118_64c9f8d2a269237f3f8525651d53ad80.exe	31
PID 2404 wrote to memory of 2008	2404	JaffaCakes118_64c9f8d2a269237f3f8525651d53ad80.exe	31
PID 2404 wrote to memory of 2008	2404	JaffaCakes118_64c9f8d2a269237f3f8525651d53ad80.exe	31
PID 2008 wrote to memory of 1544	2008	server.exe	32
PID 2008 wrote to memory of 1544	2008	server.exe	32
PID 2008 wrote to memory of 1544	2008	server.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64c9f8d2a269237f3f8525651d53ad80.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64c9f8d2a269237f3f8525651d53ad80.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2404
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2008
- - C:\Windows\system32\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:1544

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

Replay Monitor

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Downloads

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

Filesize
872KB

MD5
64c9f8d2a269237f3f8525651d53ad80

SHA1
c4cc3f01c09bbe5739ac59808004981b13016866

SHA256
113942263edbc8f96d31bb7cffb2c07bc960dcd423a82e039b5fe0d81f68cc8c

SHA512
1d4bbc5f49e508faf2507cfef755f613aceb1c2a5d9dab567e5e711bd29df1e5b22c4ba6607bfd5f5ac2239229cc3eda1186f72b3866c50774dffcb77356b9d2

Download Submit
memory/2008-263-0x000007FEF56A0000-0x000007FEF608C000-memory.dmp

Filesize
9.9MB

Download
memory/2008-262-0x000007FEF56A0000-0x000007FEF608C000-memory.dmp

Filesize
9.9MB

Download
memory/2008-137-0x000007FEF56A0000-0x000007FEF608C000-memory.dmp

Filesize
9.9MB

Download
memory/2008-138-0x0000000000C30000-0x0000000000CB2000-memory.dmp

Filesize
520KB

Download
memory/2008-136-0x000007FEF56A0000-0x000007FEF608C000-memory.dmp

Filesize
9.9MB

Download
memory/2008-134-0x0000000000F80000-0x0000000001060000-memory.dmp

Filesize
896KB

Download
memory/2404-36-0x0000000002110000-0x000000000218D000-memory.dmp

Filesize
500KB

Download
memory/2404-28-0x0000000002110000-0x000000000218D000-memory.dmp

Filesize
500KB

Download
memory/2404-69-0x0000000002110000-0x000000000218D000-memory.dmp

Filesize
500KB

Download
memory/2404-66-0x0000000002110000-0x000000000218D000-memory.dmp

Filesize
500KB

Download
memory/2404-64-0x0000000002110000-0x000000000218D000-memory.dmp

Filesize
500KB

Download
memory/2404-62-0x0000000002110000-0x000000000218D000-memory.dmp

Filesize
500KB

Download
memory/2404-61-0x0000000002110000-0x000000000218D000-memory.dmp

Filesize
500KB

Download
memory/2404-58-0x0000000002110000-0x000000000218D000-memory.dmp

Filesize
500KB

Download
memory/2404-56-0x0000000002110000-0x000000000218D000-memory.dmp

Filesize
500KB

Download
memory/2404-54-0x0000000002110000-0x000000000218D000-memory.dmp

Filesize
500KB

Download
memory/2404-52-0x0000000002110000-0x000000000218D000-memory.dmp

Filesize
500KB

Download
memory/2404-50-0x0000000002110000-0x000000000218D000-memory.dmp

Filesize
500KB

Download
memory/2404-48-0x0000000002110000-0x000000000218D000-memory.dmp

Filesize
500KB

Download
memory/2404-46-0x0000000002110000-0x000000000218D000-memory.dmp

Filesize
500KB

Download
memory/2404-44-0x0000000002110000-0x000000000218D000-memory.dmp

Filesize
500KB

Download
memory/2404-42-0x0000000002110000-0x000000000218D000-memory.dmp

Filesize
500KB

Download
memory/2404-40-0x0000000002110000-0x000000000218D000-memory.dmp

Filesize
500KB

Download
memory/2404-0-0x000007FEF56A3000-0x000007FEF56A4000-memory.dmp

Filesize
4KB

Download
memory/2404-34-0x0000000002110000-0x000000000218D000-memory.dmp

Filesize
500KB

Download
memory/2404-32-0x0000000002110000-0x000000000218D000-memory.dmp

Filesize
500KB

Download
memory/2404-30-0x0000000002110000-0x000000000218D000-memory.dmp

Filesize
500KB

Download
memory/2404-8-0x0000000002110000-0x000000000218D000-memory.dmp

Filesize
500KB

Download
memory/2404-26-0x0000000002110000-0x000000000218D000-memory.dmp

Filesize
500KB

Download
memory/2404-24-0x0000000002110000-0x000000000218D000-memory.dmp

Filesize
500KB

Download
memory/2404-22-0x0000000002110000-0x000000000218D000-memory.dmp

Filesize
500KB

Download
memory/2404-20-0x0000000002110000-0x000000000218D000-memory.dmp

Filesize
500KB

Download
memory/2404-18-0x0000000002110000-0x000000000218D000-memory.dmp

Filesize
500KB

Download
memory/2404-16-0x0000000002110000-0x000000000218D000-memory.dmp

Filesize
500KB

Download
memory/2404-14-0x0000000002110000-0x000000000218D000-memory.dmp

Filesize
500KB

Download
memory/2404-12-0x0000000002110000-0x000000000218D000-memory.dmp

Filesize
500KB

Download
memory/2404-6-0x0000000002110000-0x000000000218D000-memory.dmp

Filesize
500KB

Download
memory/2404-127-0x0000000000240000-0x000000000027A000-memory.dmp

Filesize
232KB

Download
memory/2404-128-0x000000001B040000-0x000000001B0B4000-memory.dmp

Filesize
464KB

Download
memory/2404-38-0x0000000002110000-0x000000000218D000-memory.dmp

Filesize
500KB

Download
memory/2404-10-0x0000000002110000-0x000000000218D000-memory.dmp

Filesize
500KB

Download
memory/2404-135-0x000007FEF56A0000-0x000007FEF608C000-memory.dmp

Filesize
9.9MB

Download
memory/2404-5-0x0000000002110000-0x000000000218D000-memory.dmp

Filesize
500KB

Download
memory/2404-4-0x0000000002110000-0x0000000002192000-memory.dmp

Filesize
520KB

Download
memory/2404-3-0x000007FEF56A0000-0x000007FEF608C000-memory.dmp

Filesize
9.9MB

Download
memory/2404-2-0x0000000000390000-0x00000000003F0000-memory.dmp

Filesize
384KB

Download
memory/2404-1-0x00000000000C0000-0x00000000001A0000-memory.dmp

Filesize
896KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads