njrat | 177e5e6fffcf864132a249ed93317f82696cad1262b87d0d8d5c1325f9417a76

General

Target

JaffaCakes118_1e26425e2d9093444f439c7fc8ff6fa6.exe
Size

331KB
MD5

1e26425e2d9093444f439c7fc8ff6fa6
SHA1

1295e8b827b873bdcf1a00829ccfc5127baf17ac
SHA256

177e5e6fffcf864132a249ed93317f82696cad1262b87d0d8d5c1325f9417a76
SHA512

781deeadeb45641aa7c1c460cd85e230d78fbe5af412eb1fc61513a0b801304384418f27e4ba7452f7175d5ea737e219c0d1267a679ec42742d7874a28d26f2d
SSDEEP

1536:A6MOnxTaogXfz3OJ9rUrTvQEv4o6Ja8KDtI:8ZfQEAo6w8GI

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

127.0.0.1:5552

Mutex

64f5a500033a0279ebf3a243f9f3365c

Attributes

reg_key
64f5a500033a0279ebf3a243f9f3365c
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
3428	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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	JaffaCakes118_1e26425e2d9093444f439c7fc8ff6fa6.exe

Executes dropped EXE 1 IoCs

pid	Process
2676	server.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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\64f5a500033a0279ebf3a243f9f3365c = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\64f5a500033a0279ebf3a243f9f3365c = "\"C:\\Users\\Admin\\AppData\\Roaming\\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	JaffaCakes118_1e26425e2d9093444f439c7fc8ff6fa6.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	2676	server.exe
Token: 33	2676	server.exe
Token: SeIncBasePriorityPrivilege	2676	server.exe
Token: 33	2676	server.exe
Token: SeIncBasePriorityPrivilege	2676	server.exe
Token: 33	2676	server.exe
Token: SeIncBasePriorityPrivilege	2676	server.exe
Token: 33	2676	server.exe
Token: SeIncBasePriorityPrivilege	2676	server.exe
Token: 33	2676	server.exe
Token: SeIncBasePriorityPrivilege	2676	server.exe
Token: 33	2676	server.exe
Token: SeIncBasePriorityPrivilege	2676	server.exe
Token: 33	2676	server.exe
Token: SeIncBasePriorityPrivilege	2676	server.exe
Token: 33	2676	server.exe
Token: SeIncBasePriorityPrivilege	2676	server.exe
Token: 33	2676	server.exe
Token: SeIncBasePriorityPrivilege	2676	server.exe
Token: 33	2676	server.exe
Token: SeIncBasePriorityPrivilege	2676	server.exe
Token: 33	2676	server.exe
Token: SeIncBasePriorityPrivilege	2676	server.exe
Token: 33	2676	server.exe
Token: SeIncBasePriorityPrivilege	2676	server.exe
Token: 33	2676	server.exe
Token: SeIncBasePriorityPrivilege	2676	server.exe
Token: 33	2676	server.exe
Token: SeIncBasePriorityPrivilege	2676	server.exe
Token: 33	2676	server.exe
Token: SeIncBasePriorityPrivilege	2676	server.exe
Token: 33	2676	server.exe
Token: SeIncBasePriorityPrivilege	2676	server.exe
Token: 33	2676	server.exe
Token: SeIncBasePriorityPrivilege	2676	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 2676	3020	JaffaCakes118_1e26425e2d9093444f439c7fc8ff6fa6.exe	84
PID 3020 wrote to memory of 2676	3020	JaffaCakes118_1e26425e2d9093444f439c7fc8ff6fa6.exe	84
PID 3020 wrote to memory of 2676	3020	JaffaCakes118_1e26425e2d9093444f439c7fc8ff6fa6.exe	84
PID 2676 wrote to memory of 3428	2676	server.exe	94
PID 2676 wrote to memory of 3428	2676	server.exe	94
PID 2676 wrote to memory of 3428	2676	server.exe	94

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1e26425e2d9093444f439c7fc8ff6fa6.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1e26425e2d9093444f439c7fc8ff6fa6.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3020
- C:\Users\Admin\AppData\Roaming\server.exe
  "C:\Users\Admin\AppData\Roaming\server.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2676
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:3428

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\Roaming\server.exe

Filesize
331KB

MD5
1e26425e2d9093444f439c7fc8ff6fa6

SHA1
1295e8b827b873bdcf1a00829ccfc5127baf17ac

SHA256
177e5e6fffcf864132a249ed93317f82696cad1262b87d0d8d5c1325f9417a76

SHA512
781deeadeb45641aa7c1c460cd85e230d78fbe5af412eb1fc61513a0b801304384418f27e4ba7452f7175d5ea737e219c0d1267a679ec42742d7874a28d26f2d

Download Submit
memory/2676-18-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/2676-24-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/2676-23-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/2676-22-0x00000000057F0000-0x00000000057FA000-memory.dmp

Filesize
40KB

Download
memory/2676-21-0x0000000005870000-0x0000000005902000-memory.dmp

Filesize
584KB

Download
memory/2676-19-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/3020-3-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/3020-5-0x0000000005740000-0x0000000005CE4000-memory.dmp

Filesize
5.6MB

Download
memory/3020-20-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/3020-4-0x00000000029A0000-0x00000000029AC000-memory.dmp

Filesize
48KB

Download
memory/3020-0-0x000000007470E000-0x000000007470F000-memory.dmp

Filesize
4KB

Download
memory/3020-2-0x0000000004F50000-0x0000000004FEC000-memory.dmp

Filesize
624KB

Download
memory/3020-1-0x0000000000590000-0x00000000005EA000-memory.dmp

Filesize
360KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads