njrat | 938ce47e013f4de375b8e8516307d8290f90e5154e9d4fa459c138e4373fc303

General

Target

JaffaCakes118_5f9c95d9d8a407e571b39aa87ffb0940.exe
Size

23KB
MD5

5f9c95d9d8a407e571b39aa87ffb0940
SHA1

8d5730b0c493ed8aa79d95bf32e205c03740431e
SHA256

938ce47e013f4de375b8e8516307d8290f90e5154e9d4fa459c138e4373fc303
SHA512

9ad235cf19413bcfd55252baacd7983551bd46de9e663eda5b0ca78073ac009b90211e0d612e0e59b9eed16d0a1bd072b420219ed276e953a160f1cbad730b12
SSDEEP

384:GPQeCo2zmZbQHkJeCdUwMvQ6/gjuQBnB9mRvR6JZlbw8hqIusZzZbIT:GQ5yBVdqRpcnu6C

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
3472	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	JaffaCakes118_5f9c95d9d8a407e571b39aa87ffb0940.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e5da7a5420ea197a81e433aaf2565955.exe	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e5da7a5420ea197a81e433aaf2565955.exe	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4996	svchost.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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\e5da7a5420ea197a81e433aaf2565955 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\e5da7a5420ea197a81e433aaf2565955 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .."	svchost.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_5f9c95d9d8a407e571b39aa87ffb0940.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	4996	svchost.exe
Token: 33	4996	svchost.exe
Token: SeIncBasePriorityPrivilege	4996	svchost.exe
Token: 33	4996	svchost.exe
Token: SeIncBasePriorityPrivilege	4996	svchost.exe
Token: 33	4996	svchost.exe
Token: SeIncBasePriorityPrivilege	4996	svchost.exe
Token: 33	4996	svchost.exe
Token: SeIncBasePriorityPrivilege	4996	svchost.exe
Token: 33	4996	svchost.exe
Token: SeIncBasePriorityPrivilege	4996	svchost.exe
Token: 33	4996	svchost.exe
Token: SeIncBasePriorityPrivilege	4996	svchost.exe
Token: 33	4996	svchost.exe
Token: SeIncBasePriorityPrivilege	4996	svchost.exe
Token: 33	4996	svchost.exe
Token: SeIncBasePriorityPrivilege	4996	svchost.exe
Token: 33	4996	svchost.exe
Token: SeIncBasePriorityPrivilege	4996	svchost.exe
Token: 33	4996	svchost.exe
Token: SeIncBasePriorityPrivilege	4996	svchost.exe
Token: 33	4996	svchost.exe
Token: SeIncBasePriorityPrivilege	4996	svchost.exe
Token: 33	4996	svchost.exe
Token: SeIncBasePriorityPrivilege	4996	svchost.exe
Token: 33	4996	svchost.exe
Token: SeIncBasePriorityPrivilege	4996	svchost.exe
Token: 33	4996	svchost.exe
Token: SeIncBasePriorityPrivilege	4996	svchost.exe
Token: 33	4996	svchost.exe
Token: SeIncBasePriorityPrivilege	4996	svchost.exe
Token: 33	4996	svchost.exe
Token: SeIncBasePriorityPrivilege	4996	svchost.exe
Token: 33	4996	svchost.exe
Token: SeIncBasePriorityPrivilege	4996	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 540 wrote to memory of 4996	540	JaffaCakes118_5f9c95d9d8a407e571b39aa87ffb0940.exe	84
PID 540 wrote to memory of 4996	540	JaffaCakes118_5f9c95d9d8a407e571b39aa87ffb0940.exe	84
PID 540 wrote to memory of 4996	540	JaffaCakes118_5f9c95d9d8a407e571b39aa87ffb0940.exe	84
PID 4996 wrote to memory of 3472	4996	svchost.exe	85
PID 4996 wrote to memory of 3472	4996	svchost.exe	85
PID 4996 wrote to memory of 3472	4996	svchost.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5f9c95d9d8a407e571b39aa87ffb0940.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5f9c95d9d8a407e571b39aa87ffb0940.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:540
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\svchost.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:4996
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "svchost.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:3472

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

Query Registry

1

T1012

System Information Discovery

2

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

C:\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
23KB

MD5
5f9c95d9d8a407e571b39aa87ffb0940

SHA1
8d5730b0c493ed8aa79d95bf32e205c03740431e

SHA256
938ce47e013f4de375b8e8516307d8290f90e5154e9d4fa459c138e4373fc303

SHA512
9ad235cf19413bcfd55252baacd7983551bd46de9e663eda5b0ca78073ac009b90211e0d612e0e59b9eed16d0a1bd072b420219ed276e953a160f1cbad730b12

Download Submit
memory/540-0-0x0000000074872000-0x0000000074873000-memory.dmp

Filesize
4KB

Download
memory/540-1-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/540-2-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/540-12-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/4996-13-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/4996-15-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads