njrat | 1488363b4bd0805bd9f695fce241ed5d46f6d3f18468b29260ebc636d8e779b5

General

Target

JaffaCakes118_56e0267d84770f5f7bbf17a247c42d10.exe
Size

22KB
MD5

56e0267d84770f5f7bbf17a247c42d10
SHA1

edffdadb0dcbaad2eecfa572d31e5e60bd4cac0d
SHA256

1488363b4bd0805bd9f695fce241ed5d46f6d3f18468b29260ebc636d8e779b5
SHA512

148caac22c228839d94bbd20ec22b21931f5ec0c07f991d7a97e435ca025db13cfd66f19702056a7c29af0f1c996dfbb097153ceafa4da4942d6e449f23ef295
SSDEEP

384:lsqCm6yocx/Yp7jemiO0nd08/VQ6bgNQC5h7tmRvR6JZlbw8hqIusZzZwOr:OSoQA6mlcrRpcnuLY

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
4824	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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	JaffaCakes118_56e0267d84770f5f7bbf17a247c42d10.exe

Executes dropped EXE 1 IoCs

pid	Process
5000	s.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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ed6326bd1d310f33460dd91f3102668a = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\s.exe\" .."	s.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ed6326bd1d310f33460dd91f3102668a = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\s.exe\" .."	s.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	JaffaCakes118_56e0267d84770f5f7bbf17a247c42d10.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	s.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	5000	s.exe
Token: 33	5000	s.exe
Token: SeIncBasePriorityPrivilege	5000	s.exe
Token: 33	5000	s.exe
Token: SeIncBasePriorityPrivilege	5000	s.exe
Token: 33	5000	s.exe
Token: SeIncBasePriorityPrivilege	5000	s.exe
Token: 33	5000	s.exe
Token: SeIncBasePriorityPrivilege	5000	s.exe
Token: 33	5000	s.exe
Token: SeIncBasePriorityPrivilege	5000	s.exe
Token: 33	5000	s.exe
Token: SeIncBasePriorityPrivilege	5000	s.exe
Token: 33	5000	s.exe
Token: SeIncBasePriorityPrivilege	5000	s.exe
Token: 33	5000	s.exe
Token: SeIncBasePriorityPrivilege	5000	s.exe
Token: 33	5000	s.exe
Token: SeIncBasePriorityPrivilege	5000	s.exe
Token: 33	5000	s.exe
Token: SeIncBasePriorityPrivilege	5000	s.exe
Token: 33	5000	s.exe
Token: SeIncBasePriorityPrivilege	5000	s.exe
Token: 33	5000	s.exe
Token: SeIncBasePriorityPrivilege	5000	s.exe
Token: 33	5000	s.exe
Token: SeIncBasePriorityPrivilege	5000	s.exe
Token: 33	5000	s.exe
Token: SeIncBasePriorityPrivilege	5000	s.exe
Token: 33	5000	s.exe
Token: SeIncBasePriorityPrivilege	5000	s.exe
Token: 33	5000	s.exe
Token: SeIncBasePriorityPrivilege	5000	s.exe
Token: 33	5000	s.exe
Token: SeIncBasePriorityPrivilege	5000	s.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4988 wrote to memory of 5000	4988	JaffaCakes118_56e0267d84770f5f7bbf17a247c42d10.exe	82
PID 4988 wrote to memory of 5000	4988	JaffaCakes118_56e0267d84770f5f7bbf17a247c42d10.exe	82
PID 4988 wrote to memory of 5000	4988	JaffaCakes118_56e0267d84770f5f7bbf17a247c42d10.exe	82
PID 5000 wrote to memory of 4824	5000	s.exe	83
PID 5000 wrote to memory of 4824	5000	s.exe	83
PID 5000 wrote to memory of 4824	5000	s.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_56e0267d84770f5f7bbf17a247c42d10.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_56e0267d84770f5f7bbf17a247c42d10.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4988
- C:\Users\Admin\AppData\Local\Temp\s.exe
  "C:\Users\Admin\AppData\Local\Temp\s.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:5000
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\s.exe" "s.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:4824

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\s.exe

Filesize
22KB

MD5
56e0267d84770f5f7bbf17a247c42d10

SHA1
edffdadb0dcbaad2eecfa572d31e5e60bd4cac0d

SHA256
1488363b4bd0805bd9f695fce241ed5d46f6d3f18468b29260ebc636d8e779b5

SHA512
148caac22c228839d94bbd20ec22b21931f5ec0c07f991d7a97e435ca025db13cfd66f19702056a7c29af0f1c996dfbb097153ceafa4da4942d6e449f23ef295

Download Submit
memory/4988-0-0x0000000075592000-0x0000000075593000-memory.dmp

Filesize
4KB

Download
memory/4988-1-0x0000000075590000-0x0000000075B41000-memory.dmp

Filesize
5.7MB

Download
memory/4988-2-0x0000000075590000-0x0000000075B41000-memory.dmp

Filesize
5.7MB

Download
memory/4988-13-0x0000000075590000-0x0000000075B41000-memory.dmp

Filesize
5.7MB

Download
memory/5000-12-0x0000000075590000-0x0000000075B41000-memory.dmp

Filesize
5.7MB

Download
memory/5000-14-0x0000000075590000-0x0000000075B41000-memory.dmp

Filesize
5.7MB

Download
memory/5000-15-0x0000000075590000-0x0000000075B41000-memory.dmp

Filesize
5.7MB

Download
memory/5000-16-0x0000000075590000-0x0000000075B41000-memory.dmp

Filesize
5.7MB

Download
memory/5000-17-0x0000000075590000-0x0000000075B41000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads