njrat | 2fc9c9465554ebcc0eff3682bca0da791ac259f4374a4dd4bbe99ff7e57d40b1

General

Target

JaffaCakes118_6107f0736845dbbcc29a1030b2c0cdb0.exe
Size

94KB
MD5

6107f0736845dbbcc29a1030b2c0cdb0
SHA1

e04f8858b652778b03fbd61cabeb36dc2a103766
SHA256

2fc9c9465554ebcc0eff3682bca0da791ac259f4374a4dd4bbe99ff7e57d40b1
SHA512

65e5737debb39231298751b07ddd19b34fa2a4fddd33f31658cbb7fe1f39cc2a63a64144653b0c87e17d237e55c8b878a4e57ab344cef8f12fb3ad74179798f0
SSDEEP

1536:yg8AstdH3bS+rcm51mQEEMnhQAf//8nsWz9TXHc/m8x+xVU:rDstdRrcm5NEEQ/0ns69D8u8x+xVU

Score

10^/10

njrat discovery evasion persistence privilege_escalation trojan

Malware Config

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
2744	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\35e705715ceb25294f5ee17f5f4f1041.exe	System.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\35e705715ceb25294f5ee17f5f4f1041.exe	System.exe

Executes dropped EXE 1 IoCs

pid	Process
2712	System.exe

Loads dropped DLL 1 IoCs

pid	Process
2160	JaffaCakes118_6107f0736845dbbcc29a1030b2c0cdb0.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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\35e705715ceb25294f5ee17f5f4f1041 = "\"C:\\Users\\Admin\\System.exe\" .."	System.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\35e705715ceb25294f5ee17f5f4f1041 = "\"C:\\Users\\Admin\\System.exe\" .."	System.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 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 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	System.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6107f0736845dbbcc29a1030b2c0cdb0.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2712	System.exe
Token: 33	2712	System.exe
Token: SeIncBasePriorityPrivilege	2712	System.exe
Token: 33	2712	System.exe
Token: SeIncBasePriorityPrivilege	2712	System.exe
Token: 33	2712	System.exe
Token: SeIncBasePriorityPrivilege	2712	System.exe
Token: 33	2712	System.exe
Token: SeIncBasePriorityPrivilege	2712	System.exe
Token: 33	2712	System.exe
Token: SeIncBasePriorityPrivilege	2712	System.exe
Token: 33	2712	System.exe
Token: SeIncBasePriorityPrivilege	2712	System.exe
Token: 33	2712	System.exe
Token: SeIncBasePriorityPrivilege	2712	System.exe
Token: 33	2712	System.exe
Token: SeIncBasePriorityPrivilege	2712	System.exe
Token: 33	2712	System.exe
Token: SeIncBasePriorityPrivilege	2712	System.exe
Token: 33	2712	System.exe
Token: SeIncBasePriorityPrivilege	2712	System.exe
Token: 33	2712	System.exe
Token: SeIncBasePriorityPrivilege	2712	System.exe
Token: 33	2712	System.exe
Token: SeIncBasePriorityPrivilege	2712	System.exe
Token: 33	2712	System.exe
Token: SeIncBasePriorityPrivilege	2712	System.exe
Token: 33	2712	System.exe
Token: SeIncBasePriorityPrivilege	2712	System.exe
Token: 33	2712	System.exe
Token: SeIncBasePriorityPrivilege	2712	System.exe
Token: 33	2712	System.exe
Token: SeIncBasePriorityPrivilege	2712	System.exe
Token: 33	2712	System.exe
Token: SeIncBasePriorityPrivilege	2712	System.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2160 wrote to memory of 2712	2160	JaffaCakes118_6107f0736845dbbcc29a1030b2c0cdb0.exe	30
PID 2160 wrote to memory of 2712	2160	JaffaCakes118_6107f0736845dbbcc29a1030b2c0cdb0.exe	30
PID 2160 wrote to memory of 2712	2160	JaffaCakes118_6107f0736845dbbcc29a1030b2c0cdb0.exe	30
PID 2160 wrote to memory of 2712	2160	JaffaCakes118_6107f0736845dbbcc29a1030b2c0cdb0.exe	30
PID 2712 wrote to memory of 2744	2712	System.exe	31
PID 2712 wrote to memory of 2744	2712	System.exe	31
PID 2712 wrote to memory of 2744	2712	System.exe	31
PID 2712 wrote to memory of 2744	2712	System.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6107f0736845dbbcc29a1030b2c0cdb0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6107f0736845dbbcc29a1030b2c0cdb0.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2160
- C:\Users\Admin\System.exe
  "C:\Users\Admin\System.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:2712
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\System.exe" "System.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2744

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\System.exe

Filesize
94KB

MD5
6107f0736845dbbcc29a1030b2c0cdb0

SHA1
e04f8858b652778b03fbd61cabeb36dc2a103766

SHA256
2fc9c9465554ebcc0eff3682bca0da791ac259f4374a4dd4bbe99ff7e57d40b1

SHA512
65e5737debb39231298751b07ddd19b34fa2a4fddd33f31658cbb7fe1f39cc2a63a64144653b0c87e17d237e55c8b878a4e57ab344cef8f12fb3ad74179798f0

Download Submit
memory/2160-0-0x0000000074551000-0x0000000074552000-memory.dmp

Filesize
4KB

Download
memory/2160-1-0x0000000074550000-0x0000000074AFB000-memory.dmp

Filesize
5.7MB

Download
memory/2160-2-0x0000000074550000-0x0000000074AFB000-memory.dmp

Filesize
5.7MB

Download
memory/2160-3-0x0000000074550000-0x0000000074AFB000-memory.dmp

Filesize
5.7MB

Download
memory/2160-11-0x0000000074550000-0x0000000074AFB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads