njrat | 17131a50733a1f1adf11fe99b52ec18c8ce4988b95a6aa9541879741ec2aa918

General

Target

c5e52f77107a568815714b35f88edc2e_JaffaCakes118.exe
Size

23KB
MD5

c5e52f77107a568815714b35f88edc2e
SHA1

8c62ebd988215c3427d2bfb33bf933cf9b85aa4b
SHA256

17131a50733a1f1adf11fe99b52ec18c8ce4988b95a6aa9541879741ec2aa918
SHA512

e02b7ffbcf6a6375f9c87275108b7ebd8c7d69fbb23bd3d2dc8bf55edd41d2b8d0a1719ae0f7a6bd29dc3c582afc225f8004d5248d01a9e9a3b08a79cb6f8b78
SSDEEP

384:zQeCo2zmZbQHkJeCdUwBvQ61gjuQBnB9mRvR6JZlbw8hqIusZzZCd:k5yBVd7RpcnuZ

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

emad1987.myq-see.com:3973

Mutex

5380bd110381d2960055cc04618dfc86

Attributes

reg_key
5380bd110381d2960055cc04618dfc86
splitter
|'|'|

Signatures

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
2536	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5380bd110381d2960055cc04618dfc86.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5380bd110381d2960055cc04618dfc86.exe	server.exe

Executes dropped EXE 1 IoCs

pid	Process
2004	server.exe

Loads dropped DLL 1 IoCs

pid	Process
1344	c5e52f77107a568815714b35f88edc2e_JaffaCakes118.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-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\5380bd110381d2960055cc04618dfc86 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\5380bd110381d2960055cc04618dfc86 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.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	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c5e52f77107a568815714b35f88edc2e_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2004	server.exe
Token: 33	2004	server.exe
Token: SeIncBasePriorityPrivilege	2004	server.exe
Token: 33	2004	server.exe
Token: SeIncBasePriorityPrivilege	2004	server.exe
Token: 33	2004	server.exe
Token: SeIncBasePriorityPrivilege	2004	server.exe
Token: 33	2004	server.exe
Token: SeIncBasePriorityPrivilege	2004	server.exe
Token: 33	2004	server.exe
Token: SeIncBasePriorityPrivilege	2004	server.exe
Token: 33	2004	server.exe
Token: SeIncBasePriorityPrivilege	2004	server.exe
Token: 33	2004	server.exe
Token: SeIncBasePriorityPrivilege	2004	server.exe
Token: 33	2004	server.exe
Token: SeIncBasePriorityPrivilege	2004	server.exe
Token: 33	2004	server.exe
Token: SeIncBasePriorityPrivilege	2004	server.exe
Token: 33	2004	server.exe
Token: SeIncBasePriorityPrivilege	2004	server.exe
Token: 33	2004	server.exe
Token: SeIncBasePriorityPrivilege	2004	server.exe
Token: 33	2004	server.exe
Token: SeIncBasePriorityPrivilege	2004	server.exe
Token: 33	2004	server.exe
Token: SeIncBasePriorityPrivilege	2004	server.exe
Token: 33	2004	server.exe
Token: SeIncBasePriorityPrivilege	2004	server.exe
Token: 33	2004	server.exe
Token: SeIncBasePriorityPrivilege	2004	server.exe
Token: 33	2004	server.exe
Token: SeIncBasePriorityPrivilege	2004	server.exe
Token: 33	2004	server.exe
Token: SeIncBasePriorityPrivilege	2004	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1344 wrote to memory of 2004	1344	c5e52f77107a568815714b35f88edc2e_JaffaCakes118.exe	29
PID 1344 wrote to memory of 2004	1344	c5e52f77107a568815714b35f88edc2e_JaffaCakes118.exe	29
PID 1344 wrote to memory of 2004	1344	c5e52f77107a568815714b35f88edc2e_JaffaCakes118.exe	29
PID 1344 wrote to memory of 2004	1344	c5e52f77107a568815714b35f88edc2e_JaffaCakes118.exe	29
PID 2004 wrote to memory of 2536	2004	server.exe	30
PID 2004 wrote to memory of 2536	2004	server.exe	30
PID 2004 wrote to memory of 2536	2004	server.exe	30
PID 2004 wrote to memory of 2536	2004	server.exe	30

C:\Users\Admin\AppData\Local\Temp\c5e52f77107a568815714b35f88edc2e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c5e52f77107a568815714b35f88edc2e_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1344
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - 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:2004
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2536

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\Local\Temp\server.exe

Filesize
23KB

MD5
c5e52f77107a568815714b35f88edc2e

SHA1
8c62ebd988215c3427d2bfb33bf933cf9b85aa4b

SHA256
17131a50733a1f1adf11fe99b52ec18c8ce4988b95a6aa9541879741ec2aa918

SHA512
e02b7ffbcf6a6375f9c87275108b7ebd8c7d69fbb23bd3d2dc8bf55edd41d2b8d0a1719ae0f7a6bd29dc3c582afc225f8004d5248d01a9e9a3b08a79cb6f8b78

Download Submit
memory/1344-0-0x0000000074AB1000-0x0000000074AB2000-memory.dmp

Filesize
4KB

Download
memory/1344-1-0x0000000074AB0000-0x000000007505B000-memory.dmp

Filesize
5.7MB

Download
memory/1344-2-0x0000000074AB0000-0x000000007505B000-memory.dmp

Filesize
5.7MB

Download
memory/1344-10-0x0000000074AB0000-0x000000007505B000-memory.dmp

Filesize
5.7MB

Download
memory/2004-11-0x0000000074AB0000-0x000000007505B000-memory.dmp

Filesize
5.7MB

Download
memory/2004-12-0x0000000074AB0000-0x000000007505B000-memory.dmp

Filesize
5.7MB

Download
memory/2004-14-0x0000000074AB0000-0x000000007505B000-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