njrat | d1bc142250f174baf6bf227f4f586bf8f2985c40c1499a7836d5f211451b31e4

General

Target

JaffaCakes118_64f6c6892c3dac81822aee1dcdbf8750.exe
Size

398KB
MD5

64f6c6892c3dac81822aee1dcdbf8750
SHA1

2b36d272e6c14458aaa9a993531415ef2ac13ca2
SHA256

d1bc142250f174baf6bf227f4f586bf8f2985c40c1499a7836d5f211451b31e4
SHA512

4c5f2a874eb9f9df78a3e3bb1627f4239668889fa8e40b1fde00d78bf384874378b498822df2eb77cf6119a1463e291d970ecd84b291df79d7e49a52231be8bb
SSDEEP

12288:i3B2SB+ol/hGvcQ5a51AiR643FzMBLjJ:AB2SBS

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

xhxixx.no-ip.biz:1177

Mutex

4c598de1834ed60caa6acfadf4ae0156

Attributes

reg_key
4c598de1834ed60caa6acfadf4ae0156
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
3960	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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	JaffaCakes118_64f6c6892c3dac81822aee1dcdbf8750.exe

Executes dropped EXE 2 IoCs

pid	Process
2604	System32.scr
5112	System32.scr

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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4c598de1834ed60caa6acfadf4ae0156 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System32.scr\" .."	System32.scr
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\4c598de1834ed60caa6acfadf4ae0156 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System32.scr\" .."	System32.scr

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3360 set thread context of 3640	3360	JaffaCakes118_64f6c6892c3dac81822aee1dcdbf8750.exe	82
PID 2604 set thread context of 5112	2604	System32.scr	84

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\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 5 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	JaffaCakes118_64f6c6892c3dac81822aee1dcdbf8750.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_64f6c6892c3dac81822aee1dcdbf8750.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	System32.scr
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	System32.scr
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
5112	System32.scr
5112	System32.scr
5112	System32.scr
5112	System32.scr
5112	System32.scr
5112	System32.scr
5112	System32.scr
5112	System32.scr
5112	System32.scr
5112	System32.scr
5112	System32.scr
5112	System32.scr
5112	System32.scr
5112	System32.scr
5112	System32.scr
5112	System32.scr
5112	System32.scr
5112	System32.scr
5112	System32.scr
5112	System32.scr
5112	System32.scr
5112	System32.scr
5112	System32.scr
5112	System32.scr
5112	System32.scr
5112	System32.scr
5112	System32.scr
5112	System32.scr
5112	System32.scr
5112	System32.scr
5112	System32.scr
5112	System32.scr

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3360	JaffaCakes118_64f6c6892c3dac81822aee1dcdbf8750.exe
Token: SeDebugPrivilege	2604	System32.scr
Token: SeDebugPrivilege	5112	System32.scr

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3360 wrote to memory of 3640	3360	JaffaCakes118_64f6c6892c3dac81822aee1dcdbf8750.exe	82
PID 3360 wrote to memory of 3640	3360	JaffaCakes118_64f6c6892c3dac81822aee1dcdbf8750.exe	82
PID 3360 wrote to memory of 3640	3360	JaffaCakes118_64f6c6892c3dac81822aee1dcdbf8750.exe	82
PID 3360 wrote to memory of 3640	3360	JaffaCakes118_64f6c6892c3dac81822aee1dcdbf8750.exe	82
PID 3360 wrote to memory of 3640	3360	JaffaCakes118_64f6c6892c3dac81822aee1dcdbf8750.exe	82
PID 3640 wrote to memory of 2604	3640	JaffaCakes118_64f6c6892c3dac81822aee1dcdbf8750.exe	83
PID 3640 wrote to memory of 2604	3640	JaffaCakes118_64f6c6892c3dac81822aee1dcdbf8750.exe	83
PID 3640 wrote to memory of 2604	3640	JaffaCakes118_64f6c6892c3dac81822aee1dcdbf8750.exe	83
PID 2604 wrote to memory of 5112	2604	System32.scr	84
PID 2604 wrote to memory of 5112	2604	System32.scr	84
PID 2604 wrote to memory of 5112	2604	System32.scr	84
PID 2604 wrote to memory of 5112	2604	System32.scr	84
PID 2604 wrote to memory of 5112	2604	System32.scr	84
PID 5112 wrote to memory of 3960	5112	System32.scr	85
PID 5112 wrote to memory of 3960	5112	System32.scr	85
PID 5112 wrote to memory of 3960	5112	System32.scr	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64f6c6892c3dac81822aee1dcdbf8750.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64f6c6892c3dac81822aee1dcdbf8750.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3360
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64f6c6892c3dac81822aee1dcdbf8750.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64f6c6892c3dac81822aee1dcdbf8750.exe
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3640
- - C:\Users\Admin\AppData\Local\Temp\System32.scr
    "C:\Users\Admin\AppData\Local\Temp\System32.scr" /S
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2604
  - - C:\Users\Admin\AppData\Local\Temp\System32.scr
      C:\Users\Admin\AppData\Local\Temp\System32.scr
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:5112
    - - C:\Windows\SysWOW64\netsh.exe
        
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\System32.scr" "System32.scr" ENABLE
        5⤵
        Modifies Windows Firewall
        Event Triggered Execution: Netsh Helper DLL
        System Location Discovery: System Language Discovery
        
        PID:3960

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\JaffaCakes118_64f6c6892c3dac81822aee1dcdbf8750.exe.log

Filesize
418B

MD5
89c8a5340eb284f551067d44e27ae8dd

SHA1
d2431ae25a1ab67762a5125574f046f4c951d297

SHA256
73ca1f27b1c153e3405856ebe8b3c6cdd23424d2ab09c0fe1eb0e2075513057b

SHA512
b101ac2e008bd3cc6f97fedb97b8253fb07fed1c334629ecbebe0f4942ccc1070491cddc4daea521164543b6f97ba9b99d2be1c50cc5a013f04e697fea9dbdac

Download Submit
C:\Users\Admin\AppData\Local\Temp\System32.scr

Filesize
398KB

MD5
64f6c6892c3dac81822aee1dcdbf8750

SHA1
2b36d272e6c14458aaa9a993531415ef2ac13ca2

SHA256
d1bc142250f174baf6bf227f4f586bf8f2985c40c1499a7836d5f211451b31e4

SHA512
4c5f2a874eb9f9df78a3e3bb1627f4239668889fa8e40b1fde00d78bf384874378b498822df2eb77cf6119a1463e291d970ecd84b291df79d7e49a52231be8bb

Download Submit
memory/2604-48-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/2604-30-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/3360-4-0x0000000005290000-0x000000000532C000-memory.dmp

Filesize
624KB

Download
memory/3360-6-0x00000000050D0000-0x00000000050DA000-memory.dmp

Filesize
40KB

Download
memory/3360-5-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/3360-7-0x00000000051C0000-0x00000000051CA000-memory.dmp

Filesize
40KB

Download
memory/3360-21-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/3360-23-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/3360-24-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/3360-0-0x00000000744DE000-0x00000000744DF000-memory.dmp

Filesize
4KB

Download
memory/3360-3-0x00000000051F0000-0x0000000005282000-memory.dmp

Filesize
584KB

Download
memory/3360-2-0x00000000057A0000-0x0000000005D44000-memory.dmp

Filesize
5.6MB

Download
memory/3360-46-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/3360-1-0x00000000006C0000-0x000000000072A000-memory.dmp

Filesize
424KB

Download
memory/3640-19-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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