njrat | d649ebcd23da2d2781af0d1ddecb30f9eed9e0636db291d4437483a11cdf0dd9

General

Target

ed497bd648e838393f545521c25f3a43_JaffaCakes118.exe
Size

23KB
MD5

ed497bd648e838393f545521c25f3a43
SHA1

ed0da40201282ac2e3302ac938752c695614d03f
SHA256

d649ebcd23da2d2781af0d1ddecb30f9eed9e0636db291d4437483a11cdf0dd9
SHA512

98880b772d6b05632c6339b7b705a2a95b326c9521898935974eb0d689336ef092a61ed56308757f210afef980f30f07021cf43aabd82d0f6f9380bd0091b70d
SSDEEP

384:Uwz6+T4IjWZFNwXU0eiNUBdvt6lgT+lLOhXxQmRvR6JZlbw8hqIusZzZ1E:vTbC81NgRpcnu5

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

ramyshahy.ddns.net:5552

Mutex

4795211e8640e596ea152c11e843d8aa

Attributes

reg_key
4795211e8640e596ea152c11e843d8aa
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
2528	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\4795211e8640e596ea152c11e843d8aa.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\4795211e8640e596ea152c11e843d8aa.exe	server.exe

Executes dropped EXE 1 IoCs

pid	Process
2888	server.exe

Loads dropped DLL 1 IoCs

pid	Process
2704	ed497bd648e838393f545521c25f3a43_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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\4795211e8640e596ea152c11e843d8aa = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\4795211e8640e596ea152c11e843d8aa = "\"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 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 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	ed497bd648e838393f545521c25f3a43_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2888	server.exe
Token: 33	2888	server.exe
Token: SeIncBasePriorityPrivilege	2888	server.exe
Token: 33	2888	server.exe
Token: SeIncBasePriorityPrivilege	2888	server.exe
Token: 33	2888	server.exe
Token: SeIncBasePriorityPrivilege	2888	server.exe
Token: 33	2888	server.exe
Token: SeIncBasePriorityPrivilege	2888	server.exe
Token: 33	2888	server.exe
Token: SeIncBasePriorityPrivilege	2888	server.exe
Token: 33	2888	server.exe
Token: SeIncBasePriorityPrivilege	2888	server.exe
Token: 33	2888	server.exe
Token: SeIncBasePriorityPrivilege	2888	server.exe
Token: 33	2888	server.exe
Token: SeIncBasePriorityPrivilege	2888	server.exe
Token: 33	2888	server.exe
Token: SeIncBasePriorityPrivilege	2888	server.exe
Token: 33	2888	server.exe
Token: SeIncBasePriorityPrivilege	2888	server.exe
Token: 33	2888	server.exe
Token: SeIncBasePriorityPrivilege	2888	server.exe
Token: 33	2888	server.exe
Token: SeIncBasePriorityPrivilege	2888	server.exe
Token: 33	2888	server.exe
Token: SeIncBasePriorityPrivilege	2888	server.exe
Token: 33	2888	server.exe
Token: SeIncBasePriorityPrivilege	2888	server.exe
Token: 33	2888	server.exe
Token: SeIncBasePriorityPrivilege	2888	server.exe
Token: 33	2888	server.exe
Token: SeIncBasePriorityPrivilege	2888	server.exe
Token: 33	2888	server.exe
Token: SeIncBasePriorityPrivilege	2888	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2704 wrote to memory of 2888	2704	ed497bd648e838393f545521c25f3a43_JaffaCakes118.exe	31
PID 2704 wrote to memory of 2888	2704	ed497bd648e838393f545521c25f3a43_JaffaCakes118.exe	31
PID 2704 wrote to memory of 2888	2704	ed497bd648e838393f545521c25f3a43_JaffaCakes118.exe	31
PID 2704 wrote to memory of 2888	2704	ed497bd648e838393f545521c25f3a43_JaffaCakes118.exe	31
PID 2888 wrote to memory of 2528	2888	server.exe	32
PID 2888 wrote to memory of 2528	2888	server.exe	32
PID 2888 wrote to memory of 2528	2888	server.exe	32
PID 2888 wrote to memory of 2528	2888	server.exe	32

C:\Users\Admin\AppData\Local\Temp\ed497bd648e838393f545521c25f3a43_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ed497bd648e838393f545521c25f3a43_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2704
- 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:2888
- - 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:2528

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
ed497bd648e838393f545521c25f3a43

SHA1
ed0da40201282ac2e3302ac938752c695614d03f

SHA256
d649ebcd23da2d2781af0d1ddecb30f9eed9e0636db291d4437483a11cdf0dd9

SHA512
98880b772d6b05632c6339b7b705a2a95b326c9521898935974eb0d689336ef092a61ed56308757f210afef980f30f07021cf43aabd82d0f6f9380bd0091b70d

Download Submit
memory/2704-0-0x00000000745A1000-0x00000000745A2000-memory.dmp

Filesize
4KB

Download
memory/2704-1-0x00000000745A0000-0x0000000074B4B000-memory.dmp

Filesize
5.7MB

Download
memory/2704-2-0x00000000745A0000-0x0000000074B4B000-memory.dmp

Filesize
5.7MB

Download
memory/2704-10-0x00000000745A0000-0x0000000074B4B000-memory.dmp

Filesize
5.7MB

Download
memory/2888-11-0x00000000745A0000-0x0000000074B4B000-memory.dmp

Filesize
5.7MB

Download
memory/2888-13-0x00000000745A0000-0x0000000074B4B000-memory.dmp

Filesize
5.7MB

Download
memory/2888-14-0x00000000745A0000-0x0000000074B4B000-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