njrat | 50c4981ce9e9bf59c4618e173962dba774131dcbd0822ea2a7126ecf4856b194

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
07-01-2024 20:58

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General

Target

49bf33f0b08d37da284f8639c1f00055.exe
Size

40KB
MD5

49bf33f0b08d37da284f8639c1f00055
SHA1

3695046661213ba96b279bea83aabde19ec1a03f
SHA256

50c4981ce9e9bf59c4618e173962dba774131dcbd0822ea2a7126ecf4856b194
SHA512

53999c4ea4852bdfce596624b5fce5df1ede2435399cefb0845d23e3c84c1ad284e62e31abf0119efdb9d829fe03123d5eb16132eaa729731a98e5d86c1313db
SSDEEP

192:/TBBdaStRucohNosFOX0GPGJnelDwyX9rUX:/TjMFhNosYHGJUDwyXRUX

Score

10^/10

njrat jaja evasion trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

jaja

127.0.0.1:442

Mutex

74caf6ac20895d0081b0f902a5e18339

Attributes

reg_key
74caf6ac20895d0081b0f902a5e18339
splitter
|'|'|

Signatures

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

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Windows Service

T1543.003

pid	Process
4080	netsh.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4656 set thread context of 2568	4656	49bf33f0b08d37da284f8639c1f00055.exe	91

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2568	aspnet_compiler.exe
Token: 33	2568	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	2568	aspnet_compiler.exe
Token: 33	2568	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	2568	aspnet_compiler.exe
Token: 33	2568	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	2568	aspnet_compiler.exe
Token: 33	2568	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	2568	aspnet_compiler.exe
Token: 33	2568	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	2568	aspnet_compiler.exe
Token: 33	2568	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	2568	aspnet_compiler.exe
Token: 33	2568	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	2568	aspnet_compiler.exe
Token: 33	2568	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	2568	aspnet_compiler.exe
Token: 33	2568	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	2568	aspnet_compiler.exe
Token: 33	2568	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	2568	aspnet_compiler.exe
Token: 33	2568	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	2568	aspnet_compiler.exe
Token: 33	2568	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	2568	aspnet_compiler.exe
Token: 33	2568	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	2568	aspnet_compiler.exe
Token: 33	2568	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	2568	aspnet_compiler.exe
Token: 33	2568	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	2568	aspnet_compiler.exe
Token: 33	2568	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	2568	aspnet_compiler.exe
Token: 33	2568	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	2568	aspnet_compiler.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4656	49bf33f0b08d37da284f8639c1f00055.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4656 wrote to memory of 2568	4656	49bf33f0b08d37da284f8639c1f00055.exe	91
PID 4656 wrote to memory of 2568	4656	49bf33f0b08d37da284f8639c1f00055.exe	91
PID 4656 wrote to memory of 2568	4656	49bf33f0b08d37da284f8639c1f00055.exe	91
PID 4656 wrote to memory of 2568	4656	49bf33f0b08d37da284f8639c1f00055.exe	91
PID 4656 wrote to memory of 2568	4656	49bf33f0b08d37da284f8639c1f00055.exe	91
PID 4656 wrote to memory of 2568	4656	49bf33f0b08d37da284f8639c1f00055.exe	91
PID 4656 wrote to memory of 2568	4656	49bf33f0b08d37da284f8639c1f00055.exe	91
PID 4656 wrote to memory of 2568	4656	49bf33f0b08d37da284f8639c1f00055.exe	91
PID 2568 wrote to memory of 4080	2568	aspnet_compiler.exe	96
PID 2568 wrote to memory of 4080	2568	aspnet_compiler.exe	96
PID 2568 wrote to memory of 4080	2568	aspnet_compiler.exe	96

C:\Users\Admin\AppData\Local\Temp\49bf33f0b08d37da284f8639c1f00055.exe
"C:\Users\Admin\AppData\Local\Temp\49bf33f0b08d37da284f8639c1f00055.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4656
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2568
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe" "aspnet_compiler.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:4080

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2568-16-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2568-19-0x0000000072D90000-0x0000000073341000-memory.dmp

Filesize
5.7MB

Download
memory/2568-20-0x0000000072D90000-0x0000000073341000-memory.dmp

Filesize
5.7MB

Download
memory/4656-12-0x0000000072D90000-0x0000000073341000-memory.dmp

Filesize
5.7MB

Download
memory/4656-13-0x0000000004350000-0x0000000004360000-memory.dmp

Filesize
64KB

Download
memory/4656-11-0x0000000072D90000-0x0000000073341000-memory.dmp

Filesize
5.7MB

Download
memory/4656-15-0x0000000004350000-0x0000000004360000-memory.dmp

Filesize
64KB

Download
memory/4656-18-0x0000000072D90000-0x0000000073341000-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