njrat | 9ba80e9f76390bcef1a6d1ec98a95902c9cf0d62f892d4aeacc2c14a3df9305e

General

Target

JaffaCakes118_bdfbad24823efd565125cb8da4ae9653.exe
Size

232KB
MD5

bdfbad24823efd565125cb8da4ae9653
SHA1

179611965f7aedc7bf0358060b2ca771484af96f
SHA256

9ba80e9f76390bcef1a6d1ec98a95902c9cf0d62f892d4aeacc2c14a3df9305e
SHA512

855e17844653f6b5bb5ae20a67e656a2b100f1f3795084fa84541b4dc3940750b9467bf8c997f7c7da74dd9261d66bc80ab0898590dc4202ccfc5f56d81a2f26
SSDEEP

6144:u38kLuEmOYcsSeyruz3SAKaUdOCBbUZdlrVQ:uFLm2BbUZdl

Score

10^/10

njrat hhhhhh evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

hhhhhh

C2

bachir7.hopto.org:5552

Mutex

2e6159b7b0c73c869f8f3610fe0b35f5

Attributes

reg_key
2e6159b7b0c73c869f8f3610fe0b35f5
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
2964	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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	JaffaCakes118_bdfbad24823efd565125cb8da4ae9653.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\2e6159b7b0c73c869f8f3610fe0b35f5.exe	system.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\2e6159b7b0c73c869f8f3610fe0b35f5.exe	system.exe

Executes dropped EXE 1 IoCs

pid	Process
3712	system.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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2e6159b7b0c73c869f8f3610fe0b35f5 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\system.exe\" .."	system.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2e6159b7b0c73c869f8f3610fe0b35f5 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\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\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	3712	system.exe
Token: 33	3712	system.exe
Token: SeIncBasePriorityPrivilege	3712	system.exe
Token: 33	3712	system.exe
Token: SeIncBasePriorityPrivilege	3712	system.exe
Token: 33	3712	system.exe
Token: SeIncBasePriorityPrivilege	3712	system.exe
Token: 33	3712	system.exe
Token: SeIncBasePriorityPrivilege	3712	system.exe
Token: 33	3712	system.exe
Token: SeIncBasePriorityPrivilege	3712	system.exe
Token: 33	3712	system.exe
Token: SeIncBasePriorityPrivilege	3712	system.exe
Token: 33	3712	system.exe
Token: SeIncBasePriorityPrivilege	3712	system.exe
Token: 33	3712	system.exe
Token: SeIncBasePriorityPrivilege	3712	system.exe
Token: 33	3712	system.exe
Token: SeIncBasePriorityPrivilege	3712	system.exe
Token: 33	3712	system.exe
Token: SeIncBasePriorityPrivilege	3712	system.exe
Token: 33	3712	system.exe
Token: SeIncBasePriorityPrivilege	3712	system.exe
Token: 33	3712	system.exe
Token: SeIncBasePriorityPrivilege	3712	system.exe
Token: 33	3712	system.exe
Token: SeIncBasePriorityPrivilege	3712	system.exe
Token: 33	3712	system.exe
Token: SeIncBasePriorityPrivilege	3712	system.exe
Token: 33	3712	system.exe
Token: SeIncBasePriorityPrivilege	3712	system.exe
Token: 33	3712	system.exe
Token: SeIncBasePriorityPrivilege	3712	system.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4060 wrote to memory of 3712	4060	JaffaCakes118_bdfbad24823efd565125cb8da4ae9653.exe	82
PID 4060 wrote to memory of 3712	4060	JaffaCakes118_bdfbad24823efd565125cb8da4ae9653.exe	82
PID 3712 wrote to memory of 2964	3712	system.exe	83
PID 3712 wrote to memory of 2964	3712	system.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bdfbad24823efd565125cb8da4ae9653.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bdfbad24823efd565125cb8da4ae9653.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4060
- C:\Users\Admin\AppData\Local\Temp\system.exe
  "C:\Users\Admin\AppData\Local\Temp\system.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3712
- - C:\Windows\SYSTEM32\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\system.exe" "system.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:2964

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
232KB

MD5
bdfbad24823efd565125cb8da4ae9653

SHA1
179611965f7aedc7bf0358060b2ca771484af96f

SHA256
9ba80e9f76390bcef1a6d1ec98a95902c9cf0d62f892d4aeacc2c14a3df9305e

SHA512
855e17844653f6b5bb5ae20a67e656a2b100f1f3795084fa84541b4dc3940750b9467bf8c997f7c7da74dd9261d66bc80ab0898590dc4202ccfc5f56d81a2f26

Download Submit
memory/3712-30-0x00007FFC04430000-0x00007FFC04DD1000-memory.dmp

Filesize
9.6MB

Download
memory/3712-29-0x00007FFC04430000-0x00007FFC04DD1000-memory.dmp

Filesize
9.6MB

Download
memory/3712-28-0x00007FFC04430000-0x00007FFC04DD1000-memory.dmp

Filesize
9.6MB

Download
memory/3712-26-0x00007FFC04430000-0x00007FFC04DD1000-memory.dmp

Filesize
9.6MB

Download
memory/3712-23-0x00007FFC04430000-0x00007FFC04DD1000-memory.dmp

Filesize
9.6MB

Download
memory/3712-25-0x00007FFC04430000-0x00007FFC04DD1000-memory.dmp

Filesize
9.6MB

Download
memory/4060-4-0x000000001BBF0000-0x000000001BC96000-memory.dmp

Filesize
664KB

Download
memory/4060-8-0x0000000000B60000-0x0000000000B6C000-memory.dmp

Filesize
48KB

Download
memory/4060-7-0x000000001BEE0000-0x000000001BF2C000-memory.dmp

Filesize
304KB

Download
memory/4060-21-0x00007FFC046E5000-0x00007FFC046E6000-memory.dmp

Filesize
4KB

Download
memory/4060-22-0x00007FFC04430000-0x00007FFC04DD1000-memory.dmp

Filesize
9.6MB

Download
memory/4060-6-0x00007FFC04430000-0x00007FFC04DD1000-memory.dmp

Filesize
9.6MB

Download
memory/4060-5-0x0000000000B30000-0x0000000000B38000-memory.dmp

Filesize
32KB

Download
memory/4060-24-0x00007FFC04430000-0x00007FFC04DD1000-memory.dmp

Filesize
9.6MB

Download
memory/4060-0-0x00007FFC046E5000-0x00007FFC046E6000-memory.dmp

Filesize
4KB

Download
memory/4060-3-0x000000001B0E0000-0x000000001B17C000-memory.dmp

Filesize
624KB

Download
memory/4060-2-0x000000001B670000-0x000000001BB3E000-memory.dmp

Filesize
4.8MB

Download
memory/4060-1-0x00007FFC04430000-0x00007FFC04DD1000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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