njrat | 7df2623cbf4a0611576e1f7859899084272d6ff59f67e7a66e1771fcde66bd1c

General

Target

JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe
Size

171KB
MD5

6daff7065db802cb1e78bbdbe2907d80
SHA1

6532e5cecd2c3606b8dc2be11959cff4dbd5d2c2
SHA256

7df2623cbf4a0611576e1f7859899084272d6ff59f67e7a66e1771fcde66bd1c
SHA512

0349c5d93979cfa24ede4b3bb8ab9bd61d67d868a7cb1d55cbac0ff03a1eecda6d46106848541a26a538faf7a865582470c4d561d8b2c45b8bb761e2a67c3570
SSDEEP

3072:ap6SSbb4HPwwPnetLrlyi2ayjrY/etoOOV402owBqRK6ggkCtF7:h4vwmRD+yhBqRK5Cf

Score

10^/10

njrat zzzau discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

ZZZAU

C2

desgarrada1.no-ip.org:1177

Mutex

0da05431f6f5ca78981bce022c11b0b7

Attributes

reg_key
0da05431f6f5ca78981bce022c11b0b7
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
2632	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\0da05431f6f5ca78981bce022c11b0b7.exe	chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\0da05431f6f5ca78981bce022c11b0b7.exe	chrome.exe

Executes dropped EXE 2 IoCs

pid	Process
2752	chrome.exe
2844	chrome.exe

Loads dropped DLL 2 IoCs

pid	Process
2164	JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe
2752	chrome.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\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\0da05431f6f5ca78981bce022c11b0b7 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\chrome.exe\" .."	chrome.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\0da05431f6f5ca78981bce022c11b0b7 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\chrome.exe\" .."	chrome.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2112 set thread context of 2164	2112	JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe	31
PID 2752 set thread context of 2844	2752	chrome.exe	33

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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chrome.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chrome.exe

Suspicious use of AdjustPrivilegeToken 29 IoCs

description	pid	Process
Token: SeDebugPrivilege	2112	JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe
Token: SeDebugPrivilege	2752	chrome.exe
Token: SeDebugPrivilege	2844	chrome.exe
Token: 33	2844	chrome.exe
Token: SeIncBasePriorityPrivilege	2844	chrome.exe
Token: 33	2844	chrome.exe
Token: SeIncBasePriorityPrivilege	2844	chrome.exe
Token: 33	2844	chrome.exe
Token: SeIncBasePriorityPrivilege	2844	chrome.exe
Token: 33	2844	chrome.exe
Token: SeIncBasePriorityPrivilege	2844	chrome.exe
Token: 33	2844	chrome.exe
Token: SeIncBasePriorityPrivilege	2844	chrome.exe
Token: 33	2844	chrome.exe
Token: SeIncBasePriorityPrivilege	2844	chrome.exe
Token: 33	2844	chrome.exe
Token: SeIncBasePriorityPrivilege	2844	chrome.exe
Token: 33	2844	chrome.exe
Token: SeIncBasePriorityPrivilege	2844	chrome.exe
Token: 33	2844	chrome.exe
Token: SeIncBasePriorityPrivilege	2844	chrome.exe
Token: 33	2844	chrome.exe
Token: SeIncBasePriorityPrivilege	2844	chrome.exe
Token: 33	2844	chrome.exe
Token: SeIncBasePriorityPrivilege	2844	chrome.exe
Token: 33	2844	chrome.exe
Token: SeIncBasePriorityPrivilege	2844	chrome.exe
Token: 33	2844	chrome.exe
Token: SeIncBasePriorityPrivilege	2844	chrome.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2164	2112	JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe	31
PID 2112 wrote to memory of 2164	2112	JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe	31
PID 2112 wrote to memory of 2164	2112	JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe	31
PID 2112 wrote to memory of 2164	2112	JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe	31
PID 2112 wrote to memory of 2164	2112	JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe	31
PID 2112 wrote to memory of 2164	2112	JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe	31
PID 2112 wrote to memory of 2164	2112	JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe	31
PID 2112 wrote to memory of 2164	2112	JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe	31
PID 2112 wrote to memory of 2164	2112	JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe	31
PID 2164 wrote to memory of 2752	2164	JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe	32
PID 2164 wrote to memory of 2752	2164	JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe	32
PID 2164 wrote to memory of 2752	2164	JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe	32
PID 2164 wrote to memory of 2752	2164	JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe	32
PID 2752 wrote to memory of 2844	2752	chrome.exe	33
PID 2752 wrote to memory of 2844	2752	chrome.exe	33
PID 2752 wrote to memory of 2844	2752	chrome.exe	33
PID 2752 wrote to memory of 2844	2752	chrome.exe	33
PID 2752 wrote to memory of 2844	2752	chrome.exe	33
PID 2752 wrote to memory of 2844	2752	chrome.exe	33
PID 2752 wrote to memory of 2844	2752	chrome.exe	33
PID 2752 wrote to memory of 2844	2752	chrome.exe	33
PID 2752 wrote to memory of 2844	2752	chrome.exe	33
PID 2844 wrote to memory of 2632	2844	chrome.exe	34
PID 2844 wrote to memory of 2632	2844	chrome.exe	34
PID 2844 wrote to memory of 2632	2844	chrome.exe	34
PID 2844 wrote to memory of 2632	2844	chrome.exe	34

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6daff7065db802cb1e78bbdbe2907d80.exe
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2164
- - C:\Users\Admin\AppData\Local\Temp\chrome.exe
    "C:\Users\Admin\AppData\Local\Temp\chrome.exe"
    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:2752
  - - C:\Users\Admin\AppData\Local\Temp\chrome.exe
      C:\Users\Admin\AppData\Local\Temp\chrome.exe
      4⤵
      Drops startup file
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2844
    - - C:\Windows\SysWOW64\netsh.exe
        
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\chrome.exe" "chrome.exe" ENABLE
        5⤵
        Modifies Windows Firewall
        Event Triggered Execution: Netsh Helper DLL
        System Location Discovery: System Language Discovery
        
        PID:2632

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

\Users\Admin\AppData\Local\Temp\chrome.exe

Filesize
171KB

MD5
6daff7065db802cb1e78bbdbe2907d80

SHA1
6532e5cecd2c3606b8dc2be11959cff4dbd5d2c2

SHA256
7df2623cbf4a0611576e1f7859899084272d6ff59f67e7a66e1771fcde66bd1c

SHA512
0349c5d93979cfa24ede4b3bb8ab9bd61d67d868a7cb1d55cbac0ff03a1eecda6d46106848541a26a538faf7a865582470c4d561d8b2c45b8bb761e2a67c3570

Download Submit
memory/2112-0-0x000000007485E000-0x000000007485F000-memory.dmp

Filesize
4KB

Download
memory/2112-1-0x00000000000C0000-0x00000000000E8000-memory.dmp

Filesize
160KB

Download
memory/2112-2-0x000000007485E000-0x000000007485F000-memory.dmp

Filesize
4KB

Download
memory/2164-3-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2164-8-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2164-5-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2164-9-0x0000000074850000-0x0000000074F3E000-memory.dmp

Filesize
6.9MB

Download
memory/2164-17-0x0000000074850000-0x0000000074F3E000-memory.dmp

Filesize
6.9MB

Download
memory/2752-18-0x0000000000F90000-0x0000000000FB8000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads