njrat | 67e264109c4d2f3614a330d5d9bab8d281ad5b3db06c6994d80ed40df3f7b5a3

General

Target

JaffaCakes118_68d7870f67c59bbb9c6f15b133fa7aa0.exe
Size

29KB
MD5

68d7870f67c59bbb9c6f15b133fa7aa0
SHA1

47b5194479e23eac1eeb8f3e7d7a8e5d169bbf67
SHA256

67e264109c4d2f3614a330d5d9bab8d281ad5b3db06c6994d80ed40df3f7b5a3
SHA512

3c2309ac2fe66899c257525c6b6fb8d0ef61f29f114c290c82d5b7009e9398f03cffafae7f14045bf7e746426cad5bf71805a1f81c204a05fa2864212378ef0e
SSDEEP

384:LPqvANl7TxTD+VF2dbofPauxnaIuN15708COmqDk9jeHqGBsbh0w4wlAokw9Ohgt:Qu75oa4fuTC8cqojeVBKh0p29SgRoG

Score

10^/10

njrat big liker discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

big liker

C2

weldtn.no-ip.biz:1177

Mutex

90480ec0be14f6221b63d9107a2dd7d8

Attributes

reg_key
90480ec0be14f6221b63d9107a2dd7d8
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
2984	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\90480ec0be14f6221b63d9107a2dd7d8.exe	chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\90480ec0be14f6221b63d9107a2dd7d8.exe	chrome.exe

Executes dropped EXE 1 IoCs

pid	Process
2296	chrome.exe

Loads dropped DLL 1 IoCs

pid	Process
2380	JaffaCakes118_68d7870f67c59bbb9c6f15b133fa7aa0.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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\90480ec0be14f6221b63d9107a2dd7d8 = "\"C:\\Users\\Admin\\AppData\\Roaming\\chrome.exe\" .."	chrome.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\90480ec0be14f6221b63d9107a2dd7d8 = "\"C:\\Users\\Admin\\AppData\\Roaming\\chrome.exe\" .."	chrome.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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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_68d7870f67c59bbb9c6f15b133fa7aa0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chrome.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 37 IoCs

pid	Process
2296	chrome.exe
2296	chrome.exe
2296	chrome.exe
2296	chrome.exe
2296	chrome.exe
2296	chrome.exe
2296	chrome.exe
2296	chrome.exe
2296	chrome.exe
2296	chrome.exe
2296	chrome.exe
2296	chrome.exe
2296	chrome.exe
2296	chrome.exe
2296	chrome.exe
2296	chrome.exe
2296	chrome.exe
2296	chrome.exe
2296	chrome.exe
2296	chrome.exe
2296	chrome.exe
2296	chrome.exe
2296	chrome.exe
2296	chrome.exe
2296	chrome.exe
2296	chrome.exe
2296	chrome.exe
2296	chrome.exe
2296	chrome.exe
2296	chrome.exe
2296	chrome.exe
2296	chrome.exe
2296	chrome.exe
2296	chrome.exe
2296	chrome.exe
2296	chrome.exe
2296	chrome.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2296	chrome.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2296	2380	JaffaCakes118_68d7870f67c59bbb9c6f15b133fa7aa0.exe	29
PID 2380 wrote to memory of 2296	2380	JaffaCakes118_68d7870f67c59bbb9c6f15b133fa7aa0.exe	29
PID 2380 wrote to memory of 2296	2380	JaffaCakes118_68d7870f67c59bbb9c6f15b133fa7aa0.exe	29
PID 2380 wrote to memory of 2296	2380	JaffaCakes118_68d7870f67c59bbb9c6f15b133fa7aa0.exe	29
PID 2296 wrote to memory of 2984	2296	chrome.exe	30
PID 2296 wrote to memory of 2984	2296	chrome.exe	30
PID 2296 wrote to memory of 2984	2296	chrome.exe	30
PID 2296 wrote to memory of 2984	2296	chrome.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_68d7870f67c59bbb9c6f15b133fa7aa0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_68d7870f67c59bbb9c6f15b133fa7aa0.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Users\Admin\AppData\Roaming\chrome.exe
  "C:\Users\Admin\AppData\Roaming\chrome.exe"
  2⤵
  - Drops startup file
  - 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:2296
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\chrome.exe" "chrome.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2984

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

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Downloads

\Users\Admin\AppData\Roaming\chrome.exe

Filesize
29KB

MD5
68d7870f67c59bbb9c6f15b133fa7aa0

SHA1
47b5194479e23eac1eeb8f3e7d7a8e5d169bbf67

SHA256
67e264109c4d2f3614a330d5d9bab8d281ad5b3db06c6994d80ed40df3f7b5a3

SHA512
3c2309ac2fe66899c257525c6b6fb8d0ef61f29f114c290c82d5b7009e9398f03cffafae7f14045bf7e746426cad5bf71805a1f81c204a05fa2864212378ef0e

Download Submit
memory/2296-11-0x00000000745E0000-0x0000000074B8B000-memory.dmp

Filesize
5.7MB

Download
memory/2296-12-0x00000000745E0000-0x0000000074B8B000-memory.dmp

Filesize
5.7MB

Download
memory/2296-14-0x00000000745E0000-0x0000000074B8B000-memory.dmp

Filesize
5.7MB

Download
memory/2296-15-0x00000000745E0000-0x0000000074B8B000-memory.dmp

Filesize
5.7MB

Download
memory/2296-16-0x00000000745E0000-0x0000000074B8B000-memory.dmp

Filesize
5.7MB

Download
memory/2380-0-0x00000000745E1000-0x00000000745E2000-memory.dmp

Filesize
4KB

Download
memory/2380-1-0x00000000745E0000-0x0000000074B8B000-memory.dmp

Filesize
5.7MB

Download
memory/2380-2-0x00000000745E0000-0x0000000074B8B000-memory.dmp

Filesize
5.7MB

Download
memory/2380-10-0x00000000745E0000-0x0000000074B8B000-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