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
2824	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2964	System32.scr
3044	System32.scr

Loads dropped DLL 2 IoCs

pid	Process
3000	JaffaCakes118_64f6c6892c3dac81822aee1dcdbf8750.exe
2964	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-1-5-21-3692679935-4019334568-335155002-1000\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 1740 set thread context of 3000	1740	JaffaCakes118_64f6c6892c3dac81822aee1dcdbf8750.exe	30
PID 2964 set thread context of 3044	2964	System32.scr	32

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\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\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 23 IoCs

pid	Process
3044	System32.scr
3044	System32.scr
3044	System32.scr
3044	System32.scr
3044	System32.scr
3044	System32.scr
3044	System32.scr
3044	System32.scr
3044	System32.scr
3044	System32.scr
3044	System32.scr
3044	System32.scr
3044	System32.scr
3044	System32.scr
3044	System32.scr
3044	System32.scr
3044	System32.scr
3044	System32.scr
3044	System32.scr
3044	System32.scr
3044	System32.scr
3044	System32.scr
3044	System32.scr

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1740	JaffaCakes118_64f6c6892c3dac81822aee1dcdbf8750.exe
Token: SeDebugPrivilege	2964	System32.scr
Token: SeDebugPrivilege	3044	System32.scr

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 3000	1740	JaffaCakes118_64f6c6892c3dac81822aee1dcdbf8750.exe	30
PID 1740 wrote to memory of 3000	1740	JaffaCakes118_64f6c6892c3dac81822aee1dcdbf8750.exe	30
PID 1740 wrote to memory of 3000	1740	JaffaCakes118_64f6c6892c3dac81822aee1dcdbf8750.exe	30
PID 1740 wrote to memory of 3000	1740	JaffaCakes118_64f6c6892c3dac81822aee1dcdbf8750.exe	30
PID 1740 wrote to memory of 3000	1740	JaffaCakes118_64f6c6892c3dac81822aee1dcdbf8750.exe	30
PID 1740 wrote to memory of 3000	1740	JaffaCakes118_64f6c6892c3dac81822aee1dcdbf8750.exe	30
PID 3000 wrote to memory of 2964	3000	JaffaCakes118_64f6c6892c3dac81822aee1dcdbf8750.exe	31
PID 3000 wrote to memory of 2964	3000	JaffaCakes118_64f6c6892c3dac81822aee1dcdbf8750.exe	31
PID 3000 wrote to memory of 2964	3000	JaffaCakes118_64f6c6892c3dac81822aee1dcdbf8750.exe	31
PID 3000 wrote to memory of 2964	3000	JaffaCakes118_64f6c6892c3dac81822aee1dcdbf8750.exe	31
PID 2964 wrote to memory of 3044	2964	System32.scr	32
PID 2964 wrote to memory of 3044	2964	System32.scr	32
PID 2964 wrote to memory of 3044	2964	System32.scr	32
PID 2964 wrote to memory of 3044	2964	System32.scr	32
PID 2964 wrote to memory of 3044	2964	System32.scr	32
PID 2964 wrote to memory of 3044	2964	System32.scr	32
PID 3044 wrote to memory of 2824	3044	System32.scr	33
PID 3044 wrote to memory of 2824	3044	System32.scr	33
PID 3044 wrote to memory of 2824	3044	System32.scr	33
PID 3044 wrote to memory of 2824	3044	System32.scr	33

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:1740
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64f6c6892c3dac81822aee1dcdbf8750.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64f6c6892c3dac81822aee1dcdbf8750.exe
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3000
- - C:\Users\Admin\AppData\Local\Temp\System32.scr
    "C:\Users\Admin\AppData\Local\Temp\System32.scr" /S
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2964
  - - 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:3044
    - - 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:2824

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

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
398KB

MD5
64f6c6892c3dac81822aee1dcdbf8750

SHA1
2b36d272e6c14458aaa9a993531415ef2ac13ca2

SHA256
d1bc142250f174baf6bf227f4f586bf8f2985c40c1499a7836d5f211451b31e4

SHA512
4c5f2a874eb9f9df78a3e3bb1627f4239668889fa8e40b1fde00d78bf384874378b498822df2eb77cf6119a1463e291d970ecd84b291df79d7e49a52231be8bb

Download Submit
memory/1740-32-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/1740-21-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/1740-3-0x00000000002A0000-0x00000000002AA000-memory.dmp

Filesize
40KB

Download
memory/1740-53-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/1740-1-0x0000000000900000-0x000000000096A000-memory.dmp

Filesize
424KB

Download
memory/1740-0-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/1740-2-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/1740-23-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/1740-31-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/1740-29-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/2964-33-0x0000000000C80000-0x0000000000CEA000-memory.dmp

Filesize
424KB

Download
memory/3000-18-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3000-15-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3000-52-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/3000-34-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/3000-20-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads